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OPERATION SUMMARY - Section 3

MTS-3000 SERIES OPERATION AND REFERENCE MANUAL 3-5

CU M004 01A

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5. TONE PUSHBUTTON

This pushbutton toggles on or off the audible indicator associated with the change of state detector
circuits monitoring Input 1.

6. OPERATION SENSE LED

This LED illuminates if a change of contact state from NO to NC, or a change in voltage from off
to on, is sensed by Input 1. It’s particularly useful if the output contact of the relay being tested
cannot easily be observed, as is often the case with electronic relays.

3.1.3 MTS-3010 DC Voltage Source

FIGURE 3.3 DC VOLTAGE PANEL

1. OUTPUT TERMINALS

Up to 300VDC at 100 W is available here.

2. DC VOLTAGE DISPLAY

The present setting of the DC voltage module is displayed on this LED display.

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Summary of Contents for MTS-3000 Series

Page 1: ...iew Crescent Unit 1 Mississauga Ontario L5L 5Y5 Canada Tel 1 905 828 6469 Fax 1 905 828 6850 e mail support mantatest com Internet http www mantatest com MTS 3000 SERIES MODULAR TEST SYSTEM OPERATION AND REFERENCE MANUAL First Edition March 2001 ...

Page 2: ...the nature of this product specifications shown in this manual are subject to change without notice The features and capabilities described herein reflect those available in the following firmware versions MTS 3000 2 0 MTS 3010 1 1 MTS 3020 1 1 MTS 3030 2 0 MTS 3040 2 0 MTS 3060 2 0 March 2001 Document ID CU M004 01A Powertest is a trademark of Manta Test Systems Inc Manta Test Systems Incorporate...

Page 3: ...st Mode 1 3 1 4 12 V I Module VI 1 3 1 4 13 WFG Module 1 3 1 5 SAFETY CONSIDERATIONS 1 3 1 6 TECHNICAL CONSIDERATIONS 1 4 1 7 TECHNICAL SUPPORT 1 4 Section 2 Specifications 2 1 INPUTS 2 1 2 2 OUTPUTS 2 1 2 2 1 MTS 3010 Digital I O Module Optional 2 1 2 2 2 AC Currents MTS 3060 AC Current Module 2 1 2 2 3 AC Voltage and Current MTS 3030 AC Voltage Current Module 2 2 2 2 4 Output frequency 2 2 2 2 5...

Page 4: ... Panel 3 7 3 3 BASIC APPLICATIONS 3 9 3 3 1 Getting Started 3 9 3 3 2 Basic AC Voltage Current and Phase Angle Output 3 12 3 3 3 Frequency Output 3 14 3 3 3 1 BASIC FREQUENCY OUTPUT 3 14 3 3 3 2 ADVANCED FREQUENCY OUTPUT 3 15 3 3 4 DC Voltage 3 15 3 3 4 1 BASIC DC VOLTAGE OUTPUT 3 15 3 3 4 2 ADVANCED DC VOLTAGE OUTPUT 3 16 3 3 5 DC Current Output 3 16 3 3 6 High AC Voltage Output 3 17 3 3 7 High A...

Page 5: ... 3 33 3 3 13 3 SLIP FREQUENCY LIMIT TEST 3 34 3 3 14 Single Phase Impedance Relay or Directional Overcurrent Relay Test 3 35 3 3 14 1 SETUP 3 35 3 3 14 2 REACH MINIMUM PICKUP TEST 3 35 3 3 14 3 MTA TEST 3 36 3 3 14 4 OPERATE TIME TEST 3 36 3 3 15 Three Phase Impedance Relay Test 3 37 3 3 15 1 PREPARATION 3 38 3 3 15 2 REACH TEST 3 39 3 3 15 3 MTA TEST 3 40 3 3 15 4 OPERATE TIME TEST 3 40 3 3 16 Gr...

Page 6: ...5 2 2 SPECIAL NOTES 4 8 Section 5 Advanced Operation 5 1 MENU OPERATION 5 1 5 1 1 Basic Usage 5 1 5 1 1 1 ACTIVATING THE MAIN MENU 5 1 5 1 1 2 SELECTING MENU ITEMS 5 1 5 1 1 3 MENU NAVIGATION 5 1 5 2 SETTINGS 5 5 5 2 1 Reset to Defaults 5 5 5 2 2 Fault Type 5 5 5 2 2 1 VECTOR MODE 5 5 5 2 2 2 Φ N Φ Φ 3Φ MODE 5 5 5 2 3 Harmonics 5 6 5 2 3 1 HARMONICS OPTIONS 5 6 5 2 4 Parallel Current 5 6 5 2 5 Ram...

Page 7: ...ter Test 5 18 5 6 4 Diagnostics 5 18 5 7 DIGITAL I O 5 20 5 7 1 Input Channel 1 I P Chan 1 5 20 5 7 1 1 TRIP ie STOP 5 20 5 7 1 2 EXTERNAL START FLT ie STOP 5 20 5 7 1 3 Pulse Timing 5 20 5 7 1 4 Reset 5 20 5 7 1 5 Reclose 5 20 5 7 1 6 Foot Switch 5 20 5 7 1 7 Off 5 21 5 7 2 Input Channel 2 I P Chan 2 5 21 5 7 3 Input Debounce I P Debounce 5 21 5 7 4 DC Current IDC 5 21 5 7 5 Output Channel 1 O P ...

Page 8: ... 1Φ Timed Over Voltage 59 6 12 6 10 INSTANTANEOUS 1Φ OVER VOLTAGE TEST 6 14 6 10 1 Test Description 6 14 6 10 2 Example 1Φ Instantaneous Over Voltage 59 6 14 6 11 TRANSFORMER DIFFERENTIAL TEST 6 16 6 11 1 Test Description 6 16 6 11 2 Example Transformer Differential 6 17 Section 7 RS 232C Interface 7 1 RS 232C CONNECTION 7 1 7 1 1 Interface Specifications 7 1 7 1 2 COM 1 RS232C Port 7 1 7 1 2 1 CO...

Page 9: ...Instructions B 2 B 1 3 Button Bar B 2 B 1 4 Configuring the Comm Port B 2 B 1 5 System Configuration B 3 B 1 6 Operating Modes B 3 B 1 6 1 REAL TIME MODE B 3 D 1 6 2 DEMO MODE B 3 B 1 7 Displaying Phasor Impedance Diagrams B 4 B 2 PHASORS WINDOW B 5 B 3 SYMMETRICAL COMPONENTS B 5 B 3 1 Current Components Window B 5 B 3 2 Voltage Components Window B 6 B 3 3 Interpretation of Symmetrical Components ...

Page 10: ...TABLE OF CONTENTS x MTS 3000 SERIES OPERATION AND REFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A GLOSSARY D 1 INDEX E 1 ...

Page 11: ...RELAY TEST 3 22 3 17 INDEPENDENT COIL DIFFERENTIAL RELAY TEST 3 25 3 18 VOLTAGE RELAY TEST 3 28 3 19 SYNCHRONIZING RELAY TEST 3 33 3 20 IMPEDANCE RELAY TEST 3 35 3 21 THREE PHASE IMPEDANCE RELAY TEST 3 37 3 22 IMPEDANCE RELAY TEST DISPLAY 3 38 3 23 GROUND OVERVOLTAGE RELAY TEST 3 41 3 24 DC RELAY PICKUP TEST 3 42 3 25 DC RELAY TIMING TEST 3 43 4 1 EXAMPLE OUTPUT SEQUENCE PREFAULT OFF 4 2 4 2 EXAMP...

Page 12: ...TABLE OF CONTENTS xii MTS 3000 SERIES OPERATION AND REFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A ...

Page 13: ...g curve A Vector Control mode provides for individual amplitude and phase adjustment of all AC voltage and current outputs with the added convenience of numeric keypad input for quick absolute control settings or rotary knob control of incremental changes to settings Additional intelligent control modes automate much of the setup required for three phase test applications and provide single input ...

Page 14: ...testing of virtually all protective relays Calibration and verification of V I W Z and Frequency transducers Testing of fault recorders fault locators and automatic voltage regulators Testing and calibration of metering systems 1 4 TERMINOLOGY The following terminology is used throughout this user s guide 1 4 1 AC Current Module ACI The AC current module or ACI refers to the MTS 3060 module This m...

Page 15: ...prefault or fault state The AC outputs are disabled while the system is in programming mode 1 4 10 Static Relay Testing This refers to relay testing by slowly varying inputs to accurately locate pickup points and to perform repeatable measurements 1 4 11 Test Mode The AC outputs are enabled while in test mode 1 4 12 V I Module VI The V I module or VI refers to the MTS 3030 module This module can b...

Page 16: ...tial to the contact external trigger inputs c 5Arms or 5A DC through any contact output All rear panel fuses must contain properly rated fuses 1 6 TECHNICAL CONSIDERATIONS The optional DC current source when enabled will source up to 2 5A of DC current out of the two left terminals of Input 1 of the DIGITAL I O module The low impedance nature of this source could provide the necessary trip path to...

Page 17: ... termination Programmable contact de bounce delay 0 1 999 9 msec 0 1 msec resolution 300VDC AC maximum fully isolated 12V threshold level 52K ohms impedance minimum 2 2 OUTPUTS 2 2 1 AC Voltages MTS 3040 AC Voltage Module One to three direct coupled outputs depending on configuration connected wye common neutral 0 150V rms phase to neutral direct coupled 100 VA per phase maximum 70V Φ N output P F...

Page 18: ...armonics Harmonic mode for harmonic restraint testing Single harmonic 2nd through 10th maximum harmonic frequency 1000 Hz Harmonic amplitude 0 50 of fundamental 2 2 6 Phase control Phase angle of all AC outputs adjustable from 0 to 360 Setting resolution 0 1 Accuracy 0 5 2 2 7 DC Voltage MTS 3020 DC Voltage Module This optional module installs in the Control Module case DC voltage output 0 300 VDC...

Page 19: ...ay and reclose into fault events Programmable breaker opening and closing times Fault incidence angle control point on wave 2 5 OPTIONS Control Module Options Option 01 MTS 3010 Programmable Digital I O Module with trigger channels Option 02 DC Current Source Option 01 must be present Maximum configuration one per Control Module two if there s no DC Voltage Module Option 03 Digital I O Expansion O...

Page 20: ...urrent module Modules connect together in a stack with the Control Module on the top shipped in a hard shell shipping case with a removable protective front cover 2 6 2 Control Module 14 3 4 W x 6 3 4 H x 11 3 8 D 37 5cm W x 17 2cm H x 29 0cm D Weight 17 8 lbs 8 1 kg Includes MTS 3010 MTS 3020 top and bottom covers Built in side carry handles 2 6 3 AC Voltage Module 14 3 4 W x 6 3 4 H x 11 3 8 D 3...

Page 21: ...rent or voltage available from the output terminals of the AC output modules This is defined as Programming mode When the outputs are enabled by pressing this pushbutton the enable status LED will light as will the output channel warning LEDs of all AC output module channels that are equipped with voltage or current sources This is defined as Test mode 2 PREFAULT PUSHBUTTON This pushbutton selects...

Page 22: ...ode FAULT is selected and active OFF System is in either PREFAULT or POSTFAULT state 4 RESET PUSHBUTTON This pushbutton is pressed to restore the system to Prefault state either following an operation of a DUT i e the system is in Postfault mode or during a Fault sequence It clears the timer reading to zero while restoring any frozen AC output readings to normal When the TRIP LED above the RESET b...

Page 23: ... appears on the display above it as well as to back up one key entry on the numeric keypad 6 Pressing it during normal operation will force the display to menu mode and directly restore the user to the last menu option accessed 11 MENU PUSHBUTTON Pressing this pushbutton toggles on or off an extensive menu which appears on the display above it 12 HELP PUSHBUTTON Context sensitive help regarding op...

Page 24: ...tion or a change in status of an AC DC voltage Debounce times on input sensing are programmable These high impedance inputs are galvanicly isolated from one another and from the MTS system 3 SET PUSHBUTTON Selection of this pushbutton opens menu options on the Control Module display to allow programming of options for the inputs and outputs plus adjustment of the DC Current if this latter option i...

Page 25: ...is LED illuminates if a change of contact state from NO to NC or a change in voltage from off to on is sensed by Input 1 It s particularly useful if the output contact of the relay being tested cannot easily be observed as is often the case with electronic relays 3 1 3 MTS 3010 DC Voltage Source FIGURE 3 3 DC VOLTAGE PANEL 1 OUTPUT TERMINALS Up to 300VDC at 100 W is available here 2 DC VOLTAGE DIS...

Page 26: ...ove the pushbutton 3 1 4 MTS 3040 AC Voltage Module Note Features of the MTS 3060 AC Current and 3030 Voltage Current modules are virtually identical FIGURE 3 4 AC VOLTAGE PANEL 1 ALPHANUMERIC DISPLAY This Liquid Crystal Display LCD provides information on current equipment status including amplitude and phase angle of each output source fitted to the unit 2 FUNCTION KEYS These keys are used to se...

Page 27: ...ll illuminate 5 OUTPUT TERMINALS Connection is made here to the device s under test 3 2 REAR PANEL LAYOUT 3 2 1 MTS 3000 Control Module Rear Panel FIGURE 3 5 CONTROL MODULE REAR PANEL 1 COOLING INTAKES For adequate cooling ensure that these are not obstructed 2 COOLING EXHAUST Ensure that warm air exiting isn t restricted nor reflected back towards intakes 3 AC INLET For 120V or 240V main supply a...

Page 28: ...ired as a DTE Data Terminal Equipment for external PC 7 MAINS CIRCUIT BREAKER Press to reset if breaker trips 8 EXTERNAL CONNECTOR External I O connector to run one or more systems in a master slave configuration 9 PRINTER PORT Connects to external printer to print Quick Test reports 10 GROUNDING STUD Connect to a secure external ground during testing ...

Page 29: ...etailed operation description for every possible configuration Except where noted the assumption is the equipment is configured as a three phase protective relay test system equipped with three AC voltage sources three AC current sources a digital I O module with DC current sourcing and a DC voltage module as illustrated below Specific examples of less fully equipped systems will be provided in th...

Page 30: ...hase to phase and current which will be in phase with the voltage If an output module isn t fitted with a full complement of output sources there will be less data on the display s If the current output module for example has only two current sources only lines IA and IB will appear on the display The example that follows illustrates some of the important operating aspects of the system It s assum...

Page 31: ...elay output contact to INPUT 1 terminals of the DIGITAL I O module If it s desired to follow through the steps of the test process using your MTS system a short jumper cord with male banana terminals can be inserted into the two left terminals of INPUT 1 at the appropriate times to simulate relay operation It will be necessary to provide a current path by shorting terminals A and N of the current ...

Page 32: ...7 00A 6 Press F1 again on the current module Its LED remains lit and a flashing cursor appears beneath the degree symbol on the IA line of the display 7 Press 7 5 0 and ENTER on the MODIFY keypad Channel IA phase angle reading follows the typed input and changes to 75 0 The voltage to current FIGURE 3 9 BASIC AC ADJUSTMENTS phase angle reading on the CM display also changes to 75 0 8 Press ENABLE ...

Page 33: ...ckup occurred at 7 00 amps and the timing check is to be performed at 10 00 amps 13 Disable the outputs by pressing ENABLE The ENABLE LED and the AC output warning LEDs will go off This permits the readjustment of current amplitude to be done off line 14 Press FAULT Its status LED will light 15 Reselect IA current amplitude adjust mode by pressing F1 on the current module Press 1 0 0 and ENTER on ...

Page 34: ...e can generate one or two different frequencies for each fault state in the range of 8 to 1000Hz Any output or combination of outputs can be assigned to either of the frequency sources 3 3 3 1 BASIC FREQUENCY OUTPUT Basic frequency mode allows one or more channels to be selected to output a frequency Frq1 in the range of 8 1000Hz All other output channels will remain at the default LINE frequency ...

Page 35: ...ad of LINE To set frequency 2 Enter the following key sequence MENU Settings Frequency 2 Internal and then press F3 to enter the desired Frequency 2 value 3 3 4 DC Voltage In basic DC voltage mode the dc output voltage is independent of fault state Advanced dc voltage mode allows the user to set different DC voltage levels in each of the prefault fault and postfault states 3 3 4 1 BASIC DC VOLTAGE...

Page 36: ...efault fault and postfault states 1 Press SET on the DC VOLTS module The SET LED will turn on and the display in the CONTROL section of the CM will change as shown 2 Press F2 on the CM to set enable fault state specific voltage levels 3 Select F1 F2 or F3 to program the Prefault Fault or Postfault levels respectively 3 3 5 DC Current Output This optional feature is for testing DC current operated ...

Page 37: ...t The DC output may be left on continuously so it immediately operates the target of any relay under test upon relay pickup Note that pressing the SET button on the DIGITAL I O module also provides access to the advanced input and output settings of the DIGITAL I O module Further information on these features is available in the Advanced Operation section of this manual 3 3 6 High AC Voltage Outpu...

Page 38: ...o the same value FIGURE 3 14 AC CURRENT VECTORS Two or three output channels may be paralleled at the output terminals or at the connected load It s important to use the largest feasible current leads to minimize voltage drop in the leads especially if the leads are paralleled at the load and only a single neutral lead returns the current to the source TIP There s a menu selection available to aut...

Page 39: ...urrent value that s somewhat less than the expected minimum pickup level of the relay under test 4 Enable the outputs by pressing ENABLE Press and hold FAULT and rotate the MODIFY knob clockwise until the relay begins to operate The LED indicator on INPUT 1 of the DIGITAL I O module will light and the audible tone if enabled via the tone switch will sound The current may be adjusted up or down via...

Page 40: ...l current channels to reach the high current settings often applied to instantaneous elements See the previous test for further details Many relays have a separate output contact for the instantaneous element so it may be necessary to move the relay operation sensing leads of INPUT 1 1 Disable the outputs if necessary by pressing ENABLE until its LED is out and press FAULT Its LED should come on 2...

Page 41: ...mmon levels are 0 2A and 2 0A Since this isn t a precision pickup test and is only designed to verify that the target will operate when tripping current passes through the trip contact it s suggested that the setting be 5 to 10 above the nominal level 3 Press the ON button on the DIGITAL I O module This enables the DC current output and turns on its status indicator LED Press ENABLE in the Control...

Page 42: ...by MENU again Selecting slope display mode forces the CM to display the slope operate current and restraint current on the 2nd and 3rd line of the CM The phase angle of Ib also will change to 180 2 Disable the outputs if necessary by pressing ENABLE until its LED is out and press FAULT Its LED will come on 3 Select the A phase of the current output module by pressing the F1 key on the module Its L...

Page 43: ... will be latched on until the relay operates The TRIP signal will force the transition from FAULT to POSTFAULT illuminating the TRIP LED freezing the timer and AC readings and disabling the AC outputs 3 Record the timer reading from the first line on the Control Module display and press RESET to restore the system operation 3 3 9 3 HARMONIC RESTRAINT TEST 1 Disable the AC outputs with the ENABLE s...

Page 44: ...th MODIFY keypad or rotary knob set a current to be within 5 but lower than the expected operate point 4 Enable the AC outputs by pressing the ENABLE button Press and hold FAULT Increase the current output with the MODIFY rotary knob until the relay operates note the current at that point and release FAULT 5 The operate point can be checked dynamically by leaving the current amplitude adjustment a...

Page 45: ...parallel with the AC contact remain picked up 6 Press the ON pushbutton of the DIGITAL I O module to turn off the DC current This will drop out the seal in relay as indicated by the INPUT 1 LED and tone turning off 3 3 10 Differential Relay Independent Coil Type Many solid state current differential relays have independent coils for the two current inputs This section describes how to perform stan...

Page 46: ...ansformers 8 Enable the outputs by pressing ENABLE Press and hold FAULT Select IB for amplitude adjustment and then slowly lower the Ib current by rotating the MODIFY knob counterclockwise until the relay begins to operate The LED indicator on INPUT 1 of the DIGITAL I O module will light and the audible tone if enabled via the tone switch will sound The current may be adjusted up or down via the M...

Page 47: ...ld FAULT The relay should pick up 8 While holding the FAULT button press F3 to select Ampl 0 0 9 Rotate the Modify knob clockwise while continuing to press FAULT The harmonic content of the AC current will continue to increase as observed on the display of the CM until the relay drops out Record the harmonic reading at this point 10 Disable harmonic mode before proceeding with other tests Press th...

Page 48: ...ing section 3 3 9 5 Note that the accompanying differential relay drawing doesn t show the current target coil and contact and the DC current capability is an optional feature of the DIGITAL I O module 3 3 11 Voltage Relay Test FIGURE 3 18 VOLTAGE RELAY TEST 3 3 11 1 SETUP To test a single phase voltage relay connect the test leads as shown by the solid lines A three phase relay or three single ph...

Page 49: ...P If testing a three phase relay the AC test voltage entered in Step 3 can be transfered to the next phase VB output by pressing the Vector Rotate F4 key on the CM TIP INPUT 2 on the DIGITAL I O module can be configured as an external start input to work with a foot switch relieving the operator of the need to continuously press the FAULT pushbutton See the Advanced Operation section for informati...

Page 50: ...h enables the DC current output and turns on its LED and press ENABLE in the Control section of the CM to enable the AC outputs 4 Press FAULT momentarily to enter Dynamic Fault Mode When the AC voltage element of the relay under test closes its contact the DC current passing through the contact will pick up the DC target The TRIP LED in the CONTROL section will light and the AC voltage to the rela...

Page 51: ...e MODIFY knob to verify the pickup level 7 Release the FAULT button when the test is complete 3 3 12 3 TIMING TEST 1 If you haven t done so perform the above steps of the pickup test Leave the fault frequency at the pickup value at which it s desired to perform timing checks 2 If it s desired to start the timing test from a frequency other than mains frequency it s necessary to program an alternat...

Page 52: ...D on INPUT 1 should stay on as will the audible tone indicator if selected to on since the auxiliary contacts of the target relay in parallel with the AC contact remain picked up 5 Press the ON pushbutton of the DIGITAL I O module to turn off the DC current This will drop out the seal in relay as indicated by the INPUT 1 LED and tone turning off 3 3 12 5 UNDERVOLTAGE INHIBIT TEST 1 If you haven t ...

Page 53: ...2 respectively plus the MODIFY knob or keypad 3 Set the phase angle of voltage B to match the phase angle of voltage Α i e 0 0 Press F2 on the voltage module twice so that the flashing cursor appears beneath the symbol on the B voltage line of the display and enter the voltage channel A phase reading i e 0 0 via the MODIFY keypad This should cause the relay to pick up 4 To determine the phase angl...

Page 54: ...e of the CM display as S X xxxHz XXX x 4 Increase the slip frequency as displayed on the second line of the CM by raising frequency 1 via the MODIFY keyboard to a value above the expected slip frequency limit which should cause the relay to drop out 5 Lower the frequency with the MODIFY knob to a value that s below the expected slip frequency limit Note that because the relative phase angle betwee...

Page 55: ...arate timed and instantaneous contact s it will be necessary to move the contact operation sensing leads to the appropriate terminals for the separate element tests If an MTS 3030 V I module is available it can be used in place of the current and voltage modules shown 3 3 14 2 REACH MINIMUM PICKUP TEST 1 Disable the outputs if necessary by pressing ENABLE until its LED is out Press FAULT Its LED s...

Page 56: ...ust it downwards via the MODIFY knob to verify the pickup level 9 To test at other phase angles repeat beginning from Step 4 TIP The phase angle between the voltage and current I lagging V is displayed on the third line of the CM display 10 Release the FAULT button when the test is complete 3 3 14 3 MTA TEST 1 If you haven t already done so perform the above steps to determine the pickup point at ...

Page 57: ...ces require three currents as well A fully equipped system connected as shown is the most efficient way to conduct the test since it minimizes the vector calculations required and eliminates the need to move AC output leads to test all phases of the relay If the relay requires auxiliary DC power connect it as shown by the dotted lines FIGURE 3 21 THREE PHASE IMPEDANCE RELAY TEST The way in which t...

Page 58: ...d Φ Φ Φ N or 3Φ depending on the relay type being tested Press MENU again to exit from the menu The Control Module display now will be similar to Figure 3 22 below 3 Select Impedance display mode by entering the following key sequence MENU Settings Display Optns Impedance Press MENU when exiting the menu system If the test involves a Φ N element the zero sequence compensation factor K factor must ...

Page 59: ...IAB value Choose a current value lower than the expected operate value Note that for phase to phase faults if at least two current amplifiers are fitted to the current module the two fault phases of current will be programmed 180 apart and the fault current seen by the relay will be twice the individual Φ G amplitude This total current value is what appears on line F4 of the display and is what th...

Page 60: ... out Record this value 3 Decrease the phase angle by turning the MODIFY knob counterclockwise until the relay first picks up then drops out again Record the second value 4 The MTA is the average of the two recorded values 5 Release the FAULT button or the external start input signal 3 3 15 4 OPERATE TIME TEST 1 If you haven t done so perform the preliminary steps described in Preparation above and...

Page 61: ... following key sequence MENU Settings Fault Type Vector and press MENU again to exit the menu 2 Disable the AC outputs by pressing ENABLE until its LED turns off and press FAULT Adjust the VB voltage output above the inhibit level by selecting F2 on the ACV module and adjusting with the MODIFY knob or keypad 3 Set the frequency of A voltage channel to third harmonic Press F2 on the Control Module ...

Page 62: ...arily and release it The outputs will seal in until the relay operates tripping off the outputs and recording the time 3 3 16 4 UNDERVOLTAGE INHIBIT TEST 1 To pick up the relay repeat Steps 1 2 of the Overvoltage Pickup Test section 3 3 16 2 above 2 Select the channel B voltage adjust mode by pressing F2 on the voltage module Lower the inhibit element voltage by turning the MODIFY knob countercloc...

Page 63: ...e it is extinguished 2 INPUT 2 must be configured for TIMER START mode Press SET on the DIGITAL I O module then select Inputs I P Channel 2 TIMER START Press SET again to exit the menu system 3 Set the DC voltage to the desired operate point Press SET on the DC Voltage module and adjust the DC voltage level as required with MODIFY Press SET again to exit the dcv menu Press the DC Volts ON button t...

Page 64: ...OPERATION SUMMARY Section 3 3 44 MTS 3000 SERIES OPERATION AND REFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A ...

Page 65: ...the ENABLE LED is lit enables prefault LED on or disables prefault LED off the AC outputs during prefault 4 1 2 Fault State This is used to simulate power system conditions during the fault Typically one or more phases of the voltage will decrease while the current increases and the phase angle between the voltage and current will change during the fault period 4 1 3 Postfault State Postfault stat...

Page 66: ...e a momentary press of the button 250 msec will program the system for DYNAMIC mode 4 3 1 Static Fault Mode Static Fault Mode refers to the operation mode used when determining the pickup or operate level of the DUT When the FAULT button is held depressed the system exits prefault state and enters fault state The system remains in fault state while the FAULT button is held depressed As soon as the...

Page 67: ... will force the MTS out of fault state FIGURE 4 4 FAULT STATE DIAGRAM FOR DYNAMIC MODE In normal application the MTS 3000 begins in PREFAULT state A start trigger action forces a transition from PREFAULT state to FAULT state A start trigger action may include momentarily pressing the FAULT button 250 msec or a change of state as detected by the DIGITAL I O modules EXTERNAL trigger inputs configure...

Page 68: ...ntact opening voltage disappearance as well as the more conventional contact closure voltage appearance The recommended mode is to use voltage sensing whenever possible since the voltage sensing terminals don t inject a voltage of their own into the circuit under test Voltage output from the impedance terminals although of a very high source impedance 50k ohms may be sufficient to affect operation...

Page 69: ...er details 4 4 7 Two Wire Pulse Timing Pulse type operations may be timed using a single pair of sensing leads connected to one of the external trigger inputs programmed to PULSE TIMING mode The rising edge of a voltage pulse for example would cause a timer start trigger and the falling edge would cause a stop trigger This allows measurement of the duration of a voltage pulse such as that which wo...

Page 70: ...ther of the above modes to parallel as many current channels as are available to achieve higher currents than are available from a single channel It s important to note that paralleling current channels will deliver more current and more power to the load but won t increase the available compliance voltage Parallel operation of multiple current channels requires that the amplitudes and phase angle...

Page 71: ...or the above example press FAULT and then F1 on the ACI module to select IA Enter the desired fundamental current using the modify knob or keypad 2 Enter the following key sequence to select harmonic current mode for IA MENU Settings Harmonics ACI 1 ΦA Harm Fund Harm 3 The default harmonic is 2nd If a higher harmonic is desired select the line that displays Hrm 2 and enter the desired harmonic wit...

Page 72: ...0 Hz signal with a half wave rectified 60 Hz signal These techniques use the formulas 2nd harmonic 0 47 IDC x 100 Westinghouse formula IAC 1 11 IDC 2nd harmonic 0 212 IDC x 100 G E formula 0 45 IAC 0 5 IDC where IAC 60Hz component in Amps RMS IDC half wave rectified component in Amps average Note that the G E formula is actually the same as the Westinghouse formula if both numerator and denominato...

Page 73: ...le 5 1 1 1 ACTIVATING THE MAIN MENU To activate the main menu press the MENU button The four line display above the MENU button will change as shown below Frequently there will be more than four selections available on a given menu level and in such cases the presence of additional selections will be indicated by a or symbol at the end of the fourth line or first lines respectively The symbol indi...

Page 74: ... J V 6 H W W L Q J V 6 H W W L Q J V 6 H W W L Q J V 4 X L F N 7 H V W 4 X L F N 7 H V W 4 X L F N 7 H V W 4 X L F N 7 H V W 3 U H I H U H Q F H V 3 U H I H U H Q F H V 3 U H I H U H Q F H V 3 U H I H U H Q F H V Q G H Q G H Q G H Q G H ø SETTINGS sub menu BACK ROOT MENU K D Q Q H O K D Q Q H O K D Q Q H O K D Q Q H O 4 4 4 4 7 7 7 7 5 3 5 3 5 3 5 3 L H 6 W R S L H 6 W R S L H 6 W R S L H 6 W R S ...

Page 75: ...accessible parameters must be adjusted between trials Menu tree maps The menu tree maps on the following pages show the majority of menu selections available In some cases the selections available are very similar but too numerous to list fully without causing congestion in the map e g the 10 different baud rates available for the RS232C serial ports In these cases only a few of the initial and fi...

Page 76: ...00 Voltage Ramp Start n nV 0 0 150 0 End n nV Rate nnnnV s 0 2000 Frequency 2 Line Internal Breaker Times OPEN n n ms 0 0 999 CLOSE n n ms ACI Range 0 12A High V 0 25A Low V Reclose OFF Reclose ON Shots nn 00 05 External Input Internal Meas d Times Rcl 1 n n ms 0 0 9999 Rcl 6 n n ms Trp T1 xx ms Rcl T6 yy ms FIA n n 0 0 359 9 FIA Random FIA Selected Frequency 2 Prflt Flt nn nn Hz 8 000 1000 0 Max ...

Page 77: ...2 Fault Type The fault type selection allows the MTS 3000 to operate in one of four operational modes Vector Φ N Φ Φ and 3Φ The operation of the MTS is optimized to suit the particular test to be performed by selecting the appropriate fault type 5 2 2 1 VECTOR MODE Vector mode is the most basic method for operating the system The amplitude and phase relationship of each AC output must be individua...

Page 78: ...h an RMS responding meter with wave rectified DC current Idc measured with an average responding meter The resulting harmonic content can then be calculated from 2nd Harmonic 0 424 Idc 0 9Iac Idc x 100 5 2 4 Parallel Current This option may be accessed when it s desired to output more AC current than can be produced by a single current channel It s possible to achieve this result manually by setti...

Page 79: ...to the load Individual leads taken to the load on both the output and return paths from each amplifier will minimize the compliance voltage drop at the load terminals and minimize the risk of damaging a single connector due to overcurrent For high impedance loads where this still doesn t produce the desired load current without producing a Output x Clip ng alarm it may be necessary to configure th...

Page 80: ...ween the AC voltage and current outputs not the phase angle of any individual output Because phase angle rolls over at the 0 360 point it s necessary to specify what direction the phase angle ramps between the start and stop values Rotating the MODIFY knob counterclockwise during phase ramp rate programming will produce negative ramp rates 5 2 5 3 VOLTAGE RAMPING In Φ N and 3Φ modes the ramp rate ...

Page 81: ...pplications including virtually all modern microprocessor based relay testing the default configuration of the system is the best choice since it offers the highest possible current There are some applications however particularly electromechanical ground protection relays which may present significant burdens as much as 25 ohms These devices usually have lower current settings but their high burd...

Page 82: ...eight milliseconds variation in trip time Specifying the Fault Incident Angle with this option will ensure all faults initiate at the same point on the waveform 5 2 11 Maximum Fault Duration Max Flt Dur This option allows the user to specify the precise time duration of fault output It can be useful in situations such as verifying the pickup level of one zone of a multi zone impedance relay where ...

Page 83: ...ula used will change automatically depending on the fault mode the MTS 3000 is in Phase to neutral faults φ φ φ φ N Z1 V I KI This display mode displays the positive sequence impedance Z1 for phase to ground faults Ground fault impedance relays are required to respond to the positive sequence impedance of a line to ground fault However they re supplied with φ N voltage and phase current plus a det...

Page 84: ...ence compensation factor 3 Z1 In this equation for K Z1 and Z0 are the positive and zero sequence impedances respectively of the entire line For relay testing we generally set current in the unfaulted phases to zero and assume that Z1 and Z0 for the line are at the same angle If we make these assumptions the formula for Z1 generalized for any phase reduces to Z1 V positive sequence impedance seen ...

Page 85: ...cies 5 3 QUICK TEST As noted above because of the unique nature of Quick Test an entire separate section of this manual is devoted to it Refer to Section 6 7 L P H 3 1 3 3 3 V H F 7 L P H 3 1 3 3 3 V H F 7 L P H 3 1 3 3 3 V H F 7 L P H 3 1 3 3 3 V H F U H T 8 1 U H T 8 1 U H T 8 1 U H T 8 1 6 3 1 3 3 3 4 3 1 6 3 1 3 3 3 4 3 1 6 3 1 3 3 3 4 3 1 6 3 1 3 3 3 4 3 1 9 H F W R U 5 R W D W H 9 H F W R U ...

Page 86: ...one On Tone OFF QuickTest O P COM 1 COM 2 LPT 1 Same as COM 1 Same as VI Module 1 COM 1 RS 232 Odd Parity Even Parity No Parity COM 1 RS 232 1 Stop Bit 2 Stop Bits COM 1 RS 232 S W Xon Xoff H W RTS CTS No Control M 115200 Baud M 57600 Baud M 600 Baud M 300 Baud COM 1 RS 232 Baud Rate Stop Bits Parity Flow Control V I 1 Ch 1 is now CURRENT Press here to chg to VOLTAGE Contrast CM nnn 0 100 WFG1 nnn...

Page 87: ...selection allows configuration of the RS 232C communication parameters for the COM 1 serial port on the back panel of the Control module Baud Rate is normally set to the highest speed that can be reliably sustained by the computer connected to the port If communication isn t reliable at a given speed select the next lowest speed listed Stop Bits 1 or 2 will be determined by the software being used...

Page 88: ...Section 5 5 16 MTS 3000 SERIES OPERATION AND REFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A 5 4 7 LCD Contrast This allows the contrast on each of the LCD main displays in the system to be adjusted for optimum legibility ...

Page 89: ... 5 6 MENU TREE INDEX OTHER Settings QuickTest Preferences Index Other ACI range Baud Rate Com 1 Com 2 Button Tone Version WFG diagnostics Version Calibration Printer Test Diagnostics Ctrl Module S W Ver x Date H W Ver y Passcode Press F1 then code ENTER CM DCV DCI ACV 1 ACV 2 ACI 1 ACI 2 Factory diagnostic information ...

Page 90: ... and calibration purposes 5 6 1 Version This lists the version and date of installed firmware and hardware Information of this nature may be required by a factory support person to help resolve an operational problem 5 6 2 Calibration The Calibration option provides access to the calibration menu which is necessary to calibrate the displayed system output readings To prevent inadvertent corruption...

Page 91: ...n 1 O P Delay I P Chan 1 I P Chan 2 I P Debounce Inputs Outputs IDC n nnn Adc 0 2 500 Version Chan 1 TRIP ie Stop FLT ie Start TIMER START PULSE TIMING RESET RECLOSE FOOT SWITCH OFF Contact de bounce delay n ms 0 1 999 0 FAULT NO FAULT NC BKR OPEN 52B BKR CLOSED 52A PERMISSIVE UNBLOCK OFF Output Delay Time n ms 0 5 9999 0 Dig I O Module S W Ver x H W Ver y Module ID z ...

Page 92: ...1 2 EXTERNAL START FLT ie Start This selection programs the input to act as an external start trigger permitting an external contact voltage signal to initiate the same action as pressing the FAULT button This starts the timer running and switches the AC outputs from prefault to fault state 5 7 1 3 Pulse Timing The Pulse Timing selection programs the input to measure the duration of a one shot pul...

Page 93: ...gramming the level of a DC current which will flow via the two left terminals of Input 1 to an external DC current operated target These targets are sometimes used in older electromechanical protective relays to indicate circuit breaker trip coil current has passed through the relay contacts Typical current target settings are 200 ma or 2 A Once programmed the current is controlled by the ON switc...

Page 94: ...ransfer signal When in unblock mode the contacts are opposite to that shown on the front panel during PREFAULT The contacts change state upon entering FAULT state The OUTPUT contact change of state can be delayed to simulate communication channel delay time by entering in an appropriate delay via the Output Delay time See 5 7 6 5 7 5 6 Off This selection disables the output contact 5 7 6 Output De...

Page 95: ...st parameters e g of test points 6 2 QUICKTEST ALGORITHMS 1φ Over Current 1φ Over Voltage 1φ Under Voltage 1φ Impedance 1φ Directional Over Current 1φ Power 3φ Over Current 3φ Over Voltage 3φ Under Voltage 3φ Impedance 3φ Directional Over Current 3φ Power DC Auxiliary Differential Frequency Ground Fault Over Voltage Negative Sequence Synchronizing Volts Per Hz Zero Sequence The number of QuickTest...

Page 96: ...to the user what the test set is doing at each step of the way e g Attempting to operate relay by ramping current up When the test has ended the results can be viewed on the CM display and or printed if a printer is connected to the Printer port found on the rear panel of the control module If desired the test results also can be saved to a PC via the RS 232 port At the completion of each test the...

Page 97: ...ELP button the following description will be displayed on the CM display of 2nd harmonic req d to restrain the trip element Pressing HELP a second time clears the help message and reverts back to the screen seen prior to pushing the HELP button Note for advanced users To increase the flexibility of Quicktest unused channels are not disabled by Quicktest during test execution This allows the user t...

Page 98: ...ial The time dial setting of the relay optional included for completeness of report 5 Imax The maximum test current in amps to be applied during testing Range 0 1 75 A 6 Test 1 The multiple of tap for the first test point of the operate time test Range 1 1 75 xTap 7 Step The multiple of tap to be added for each step of the operate time test Range 0 1 20 xTap 8 of steps The number of test steps to ...

Page 99: ...o print the test report printer required Scroll down to see 60 0A 0 54s Time value increases until relay operates These two steps repeat for the of test points F1 F1 F2 F3 F4 BACK Enter up to 5 numbers for unique relay identity Enter the Tap setting of the relay Enter the maximum time for the disk to reset Enter the Time Dial setting of the relay Relay Settings Test Settings Hookup Info Execute Te...

Page 100: ...rmines the operate time with 115 of nominal operate current Input Parameters 1 Relay Id Five digit numeric identifier for relay 2 Tap The expected pickup or operate current in amps Range 0 01 75 0 A 3 t op The expected operate time in sec at 1 15xTap Range 0 001 15 0 s Output Results 1 Operate current test Measured pickup current A 2 Operate time test Measured operate time sec 6 6 2 Example 1φ φ φ...

Page 101: ... 0 032 Sec Enter up to 5 numbers for unique relay identity Enter the nominal operate current setting of the relay Enter the nominal operate time BACK F2 Relay Settings Hookup Info Execute Test RELAY MTS ac coil IA B C ac coil IN trip o p DIO 1 Parallel IA IB IC and connect to relay coil Connect IN to relay coil Connect trip contacts of the relay to DIO channel 1 F2 F3 Testing pickup please wait Ra...

Page 102: ...etting of the relay optional included for completeness of report 5 Vprefault The desired prefault voltage in Volts Range 0 0 150 0 V 6 Test 1 The test voltage for the first test point of the time vs voltage test Range 0 0 150 0V 7 Step The test voltage to be subtracted for each step of the time vs voltage test Range 0 1 100 0V 8 of steps The number of test steps to perform for the time vs voltage ...

Page 103: ...l of test points for the operate timetest F1 F3 F4 F2 F3 RELAY MTS accoil VA ac coil VN trip o p DIO 1 Relay Settings Test Settings HookupInfo ExecuteTest BACK Connect VAto relaycoil Connect VNto relaycoil Connect tripcontacts of therelaytoDIOchannel 1 Relay Settings Test Settings HookupInfo ExecuteTest F4 Operatepoint Time vsV F1 Testingoperate Point Please wait Testingoperate Point Checking for ...

Page 104: ...ominal operate voltage Input Parameters 1 Relay Id Six digit numeric identifier for relay 2 Voperate The expected operate voltage in Volts Range 1 0 150 0 V 3 t op The expected operate time in sec at 85 of Voperate Range 0 001 15 0 s 4 Vprefault The desired prefault voltage in Volts Range 0 0 150 0 V Output Results Operate voltage test Measured operate voltage V Operate time test Measured operate ...

Page 105: ...ttings Hookup Info Execute Test Vpreflt 120 0 V F2 F1 BACK Enter the nominal prefault voltage voltage required to prevent the relay from asserting F3 BACK Relay Settings Test Settings Hookup Info Execute Test RELAY MTS ac coil VA ac coil VN trip o p DIO 1 Connect VA to relay coil Connect VN to relay coil Connect trip contacts of the relay to DIO channel 1 F2 F2 F1 Settings Test Relay Preferences I...

Page 106: ... setting of the relay optional included for completeness of report 5 Vprefault The desired prefault voltage in Volts Range 0 0 150 0 V 6 Test 1 The test voltage for the first test point of the time vs voltage test Range 0 0 150 0V 7 Step The test voltage to be added for each step of the time vs voltage test Range 0 1 100 0V 8 of steps The number of test steps to perform for the time vs voltage tes...

Page 107: ...r the operate time test F1 F3 F4 F2 F3 RELAY MTS ac coil VA ac coil VN trip o p DIO Relay Settings Test Settings Hookup Info Execute Test BACK Connect VA to relay coil Connect VN to relay coil Connect trip contacts of the relay to DIO channel 1 Relay Settings Test Settings Hookup Info Execute Test F4 Operate point Time vs V F1 Testing operate Point Please wait Testing operate Point Checking for We...

Page 108: ... nominal operate voltage Input Parameters 1 Relay Id Six digit numeric identifier for relay 2 Voperate The expected operate voltage in Volts Range 1 0 150 0 V 3 t op The expected operate time in sec at 115 of Voperate Range 0 001 15 0 s 4 Vprefault The desired prefault voltage in Volts Range 0 0 150 0 V Output Results 1 Operate voltage test Measured operate voltage V 2 Operate time test Measured o...

Page 109: ... Test Settings Hookup Info Execute Test Connect VA to relay coil Connect VN to relay coil Connect trip contacts of the relay to DIO channel 1 F4 Operate volt Operate time Testing Voperate Please wait Ramping up to find oper point F1 Testing Voperate Please wait Checking for welded contact Relay Settings Test Settings Hookup Info Execute Test User Defined 1φ OverCurrent 1φ UnderVoltage 1φ φ φ φ Ove...

Page 110: ...6 toper The operate time Range 0 0 10 0 sec 7 Phase The phase angle between the two test currents Range 0 0 359 9 8 2nd H R The percentage of 2nd harmonic required to restrain the trip element Range 0 50 9 5th H R The percentage of 5th harmonic required to restrain the trip element Range 0 50 10 of steps The number of test steps to perform for the operate time and slope tests Range 1 3 11 Start I1...

Page 111: ...le Transformer Differential The following example demonstrates the steps required to test a three terminal type transformer differential relay The following tests are performed slope operate time 2nd and 5th harmonic restraint and un restrained pickup level Both relay taps are set for 5 0A The slope is set for 25 The 2nd and 5th harmonic restraint settings are 20 and 35 respectively The unrestrain...

Page 112: ...1 00 Aù Imax 25 0 A F F Enter the I2 current to be added for each step of the op time test Enter the maximum test current to be applied during the test F1 F1 F2 F3 F4 Relay ID 00000 Tap 1 5 00 A Tap 2 5 00 A Iop U 6 00 xTapø Relay Settings Test Settings Hookup Info Execute Test scroll Enter up to 5 numbers for unique relay identity 1 Enter the relay tap setting for winding 1 Enter the relay tap se...

Page 113: ...TestingUn restrained P U Testing with balanced current I1 15 0 I2 5 0 I 10 0 0 032 s The relay operated after 32 ms with I1 15 0A I2 5 0A Ioperate 10 0A BACK Testing2nd harmonic rest Ramp down 2nd harmonic Print result Slope result Timeresult 2nd H R 0 0 ø Slope Operatetime 2nd Harmrest 5th Harmrest ø Testing2nd harmonic rest Testingfor welded contact Testing2nd harmonic rest Testing with balanced...

Page 114: ...QUICKTEST Section 6 6 20 MTS 1700 SERIES OPERATION AND REFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A ...

Page 115: ...ings 2 All parameters are stored in non volatile memory and are subsequently preserved after power down 3 Shielded cable should be used between the external device computer and the MTS 3000 The shield should be connected to the frame earth ground 4 Since many computers ignore the handshake signals pins 2 3 and 5 may be the only lines that have to be connected to obtain a functional interface Due t...

Page 116: ...3 Transmit Data From MTS 3000 5 Signal Ground NA 7 Request to Send From MTS 3000 8 Clear to Send To MTS 3000 7 1 4 Baud Rate Selection 7 1 4 1 COM 1 BAUD RATE Enter the following key sequence to change the COM 1 baud rate MENU Preferences COM 1 RS 232 Baud Rate and then select the desired baud rate from the list After selecting the baud rate this value is retained in non volatile memory and need n...

Page 117: ...nnected to the MTS 3000 Some commands require an additional numerical value s to follow the command This is indicated by the character in the command summary following All commands may be entered in any combination of upper and lower case although key command letters are denoted here in upper case for clarity 7 2 1 Control Mode Programming When the MTS 3000 is in remote mode all front panel contro...

Page 118: ...ault on off Valid values are 0 and 1 0 sets prefault V I off 1 sets prefault V I on MFD Maximum Fault Duration duration in milliseconds Exit Dynamic Fault State after the specified period if a trip signal doesn t occur Waits until either the fault state changes to prefault or postfault or until the specified time elapses Valid values are 0 to 9999999 ms 0 infinity resolution is 4ms with values rou...

Page 119: ...cified channel s amplifier mode Where x VI module number 0 or 1 Where y channel number of the module specified by x Where z mode 0 current 1 voltage AC outputs must be disabled prior to execution of this command 7 2 4 Voltage Programming 7 2 4 1 COMMANDS Command Description VDC DC Voltage Sets the DC voltage amplitude for the present fault state Valid values are 0 300 volts AVA Amplitude Va Sets t...

Page 120: ...nic valid values are 0 360 7 2 4 2 EXAMPLES The following examples show command sequences using the voltage programming commands Example 1 Simple dynamic Φ N Fault AVS 7 70 1 set Va Vb and Vc to 70 0V during prefault AVS 2 15 2 set Vb fault amplitude to 15V PRF1 prefault on STR initiate fault Example 2 Simple dynamic 3 Φ Fault AVS 7 70 1 set Va Vb and Vc to 70 0V during prefault AVS 7 22 2 set Va ...

Page 121: ...ern of channels to be changed Ia 1 Ib 2 Ic 4 Where y harmonic valid values are 2 10 Where z percent harmonic valid values are 0 50 0 Where p phase of harmonic relative to harmonic valid values are 0 360 7 2 6 Phase Control These phase commands set the phase angle of the voltage and current 7 2 6 1 COMMANDS Command Description PIS x y z Phase angle of specified current channel Sets the specified cu...

Page 122: ...d to output a frequency Frq1 in the range of 8 1000Hz All other output channels will remain at the default LINE frequency Frequency 1 Frq1 can be set to different frequencies for prefault and fault state if desired Advanced frequency mode is an extension of basic frequency mode in that unselected output channels will be set to frequency 2 Frq2 instead of LINE 7 2 7 1 COMMANDS Command Description F...

Page 123: ...s are 8 1000 Hz Where y fault state 0 present 1 prefault 2 fault FR2 x y Frequency 2 Sets frequency 2 for the specified fault state Where x frequency valid values are 8 1000 Hz Where y fault state 0 present 1 prefault 2 fault RFR x y z Frequency Ramp Parameters Sets the frequency ramp rate Where x start frequency valid values are 8 1000 Hz Where y stop frequency valid values are 8 1000 Hz Where z ...

Page 124: ...frequency 1 to 400 Hz for fault state 7 2 8 RS 232 Control Command Description LF1 Line Feed On Sets auto line feeds ASCII 10 after carriage returns ASCII 13 on In the on state a line feed code is sent at the end of every line output by the instrument Some computers terminals and printers require this code to print output on successive lines LF0 Line Feed Off Sets auto line feed off This command t...

Page 125: ...etting is retained in non volatile memory and takes effect until changed again Where x 16 for COM 1 baud rate Where x 17 for COM 1 parity Where x 18 for COM 1 stop bits Where x 19 for COM 1 flow control Where x 24 for COM 2 baud rate Where x 25 for COM 2 parity Where x 26 for COM 2 stop bits Where x 27 for COM 2 flow control Where y 1 for 300 baud x 16 or 24 Where y 2 for 600 baud x 16 or 24 Where...

Page 126: ... 26 see C2D command to change this The link will be broken and the host will resume communication with the MTS 3000 This feature will work even if COM1 and COM2 are set at different baud rates 7 2 9 Print Commands Command Description PFS Print Fault State The MTS 3000 will return the current fault state PREFAULT FAULT or POSTFAULT Example PFS interrogate fault state PREFAULT STR cause start trigge...

Page 127: ...C mt mn id ch mx where T is channel type I current V voltage C is channel number of this type 0 5 mt is module type 4 ACV 8 ACI 10 VI mn is module number of this type 0 1 id is module identification 2 29 ch is local channel number within the module 0 2 mx is the maximum amplitude for this channel PWS Print Warnings Summary Prints a 1 if any alarm bits were set since the last CWN command was sent P...

Page 128: ... 1 DCV overload 2 DCV overtemperature 3 DCV shutdown 4 DCV power supply failure 5 DCV amplifier failure 6 DCV spare 7 DCV NVRAM checksum error 8 DCI open circuit 9 DCI clipping 10 DCI over power 11 DCI over temperature 12 DCI shutdown 13 DCI Power supply failure 14 DCI amplifier failure 15 DIO NVRAM checksum error For example a returned value of 65 equivalent to 0000000001000001 in binary would in...

Page 129: ...mmand clears all latched alarm status bits This command is typically executed prior to a test after the test has completed the PWS command is executed to make sure no alarm bits were latched during the test 7 2 11 DC Voltage Control This section only applies to units with the DC Voltage output option The following commands are associated with control of the DC voltage output Command Description DC...

Page 130: ...alue z debounce time in ms valid values are 0 999 y 101 z DC current in amps valid values are 0 2 5 y 102 z 1 for DC enabled 2 for DC disabled y 103 z 1 for input trigger type OFF y 104 or 106 z 2 for input trigger type FAULT y 104 or 106 z 4 for input trigger type PULSE TIMING y 104 or 106 z 8 for input trigger type TMR START y 104 or 106 z 16 for input trigger type TRIP y 104 or 106 z 32 for inp...

Page 131: ...ed control program should initiate control by sending the following command sequence CR empty line carriage return to clear any partially sent previous command PGM select program mode LF0 turn off line feeds REM change to remote control 3 A 0 3 second delay should be added before the execution of a STR command to ensure all MTS 3000 internal operations have been completed before entering the FAULT...

Page 132: ...RS 232C INTERFACE Section 7 7 18 MTS 3000 SERIES OPERATION AND REFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A ...

Page 133: ... Frequency 1 Assign 7 2 7 F2A x y Frequency 2 Assign 7 2 7 F1S Frequency 1 Source 7 2 7 F2S Frequency 2 Source 7 2 7 FIA Fault Incidence Angle 7 2 10 FIS x y Current channel Frequency Source assignment 7 2 7 FMD Set Fault Mode 7 2 3 FMD Interrogate Fault Mode 7 2 3 FR1 x y Frequency 1 7 2 7 FR2 x y Frequency 2 7 2 7 FVS x y Voltage channel Frequency Source assignment 7 2 7 HIS x 2 y z p Set Percen...

Page 134: ...iguration 7 2 9 PWN Print warnings Detailed 7 2 9 PWS Print warnings Summary 7 2 9 REM Remote control mode 7 2 1 RES Reset 7 2 2 RFR x y z Frequency Ramp Parameters 7 2 7 STA Start trigger Enter Static fault state 7 2 1 STP Stop trigger Enter Postfault state 7 2 1 STR Start trigger Enter Dynamic fault state 7 2 1 TRM Terminal mode 7 2 8 VDC Sets the DC voltage 7 2 11 VER Version 7 2 10 VIC x y z S...

Page 135: ...TS 3060 output phasors Multi window mode display or quadrilateral showing symmetrical components and apparent impedance for distance relay elements Display of relay mho or quadrilateral characteristic on the apparent impedance display Direct display of three phase and single phase power Direct display of unbalance Delta or wye display modes Displays quantities as primary or secondary values Calcul...

Page 136: ...cessed from the button bar below or from the program menu bar Figure B 2 B 1 4 Configuring the Comm Port Select View Comm Port from the main menu to configure the PC communications port The following dialog box should appear Figure B 3 Print A bout Pow erscope System C onfiguration C om m port C onfiguration D em o m ode A cquire phasors from test equipm ent D isplay phasors D isplay im pedance D ...

Page 137: ...uration Figure B 4 Select View Sys Configure from the menu to set the system configuration settings If you wish to display quantities as primary values enter your system PT and CT ratios here Otherwise leave the PT and CT ratio settings at 1 and the program will display secondary values When done click OK B 1 6 Operating Modes B 1 6 1 REAL TIME MODE This mode displays the outputs of the MTS 3000 i...

Page 138: ...e displays will be calculated and drawn according to the data entered in this window B 1 7 Displaying Phasor Impedance Diagrams Once either the real time or demo operating mode is chosen the phasor and impedance displays can be activated These displays can be selected using the View submenu or the buttons on the button bar Figure B 6 ...

Page 139: ...is window is displayed when View Display Phasors is selected from the menu This shows the MTS 3000 output phasors Note that this display is drawn based on settings and not on the true measured values and currents are displayed at 10 times the scale of the voltages B 3 SYMMETRICAL COMPONENTS B 3 1 Current Components Window Figure B 8 ...

Page 140: ...s in delta mode since the positive and negative sequence components each consist of three phasors which often overlap one another B3 2 Voltage Components Window Figure B 9 This window is displayed when View Display Voltage Components is selected from the menu This window displays the voltage symmetrical components Va0 Vb0 Vc0 zero sequence voltage Va1 Vb1 Vc1 positive sequence voltage Va2 Vb2 Vc2 ...

Page 141: ...rce the negative sequence voltage components increase For a solid fault at the source Vf 0 the negative and positive sequence voltages are equal This easily can be seen by varying the Φ Φ fault voltage from nominal to 0 and by watching the unbalance change from 0 to 100 Characteristics of standard faults are summarized in the table below These characteristics easily can be verified with Powerscope...

Page 142: ...he apparent impedance seen by phase and ground relay elements For reference standard mho or quadrilateral relay characteristics can be plotted in this window For ground element impedances Zag Zbg Zcg to be displayed properly on apparent impedance plot the correct zero sequence compensation factor must be entered Note that this test is normally performed assuming a homogenous system i e the angle o...

Page 143: ...s a dynamic test will show the fault impedance of the active element entering the region of protection and then leaving when the relay operates 3 The effect of prefault load on apparent impedances also can be readily demonstrated If sufficient prefault currents are set the apparent impedance can be seen outside the region of protection High prefault load can cause more than one element to enter th...

Page 144: ...angle of any offset of the relay characteristic in degrees ASPECT RATIO This specifies the aspect ratio of the mho characteristic Specify 1 for a circular characteristic or a value less than 1 for lenticular characteristics B 5 POWER WINDOW Figure B 11 This window is displayed by selecting View Display Power Components from the menu This window displays on the P Q plane the power output each phase...

Page 145: ...m first change to a suitable fault type by entering the following key sequence MENU Settings Fault Type Chg to Vectr 1st The user tried to perform some action requiring Vector fault type while the system was in some other fault type To avoid this alarm first change to the Vector fault typebyenteringthefollowingkeysequence MENU Settings FaultType Vector Chg VI Cnfig 1st The user tried to perform so...

Page 146: ...ror all the following hardware alarms result in the amplifier outputs being set to zero and the AC output enable being turned off i e the system returned to programming mode Bad grnd return This alarm means that some of the output current from one module is incorrectly returning via a different module This typically occurs when the return neutral connection from the load is connected to the neutra...

Page 147: ...ype of problem in the output amplifier for the affected channel In the case of ACV modules it may also indicate that the output load resistance is too low for the amplifier to deliver the required power but not low enough that clipping alarms are obtained Note This alarm doesn t itself result in the output s being turned off Pwr Supply Fail This alarm typically occurs when the power supply fuse fa...

Page 148: ...en but if they do they indicate some internal design problem with the equipment If these alarms or any other alarms not mentioned above should occur and you can reproduce the error please make a note of the particulars and inform Manta Test Systems Research Development so that the problem can be corrected Bad Argument s ã Misc SW ERRnã No room for msgã Should never beã Would be Packtsã ...

Page 149: ...s test specific parameters such as Impedance Slip frequency Slope etc to be displayed on the control module display 5 2 12 Dynamic Fault Mode This mode is used to perform timing tests 4 3 2 Dynamic Testing Testing of relays using instantaneous steps ramping of voltage and current inputs to closely simulate conditions during in service operation 1 4 6 External Start Mode This input trigger mode all...

Page 150: ...current is needed The total current from all paralleled sources is displayed and can be modified with a single adjustment 3 3 7 5 2 4 Postfault State The postfault state simulates the inputs to the relay after the fault condition and relay operation 4 1 3 Prefault State The prefault state simulates the healthy inputs to the relay prior to the fault occurrence 4 1 1 Programming Mode This is used to...

Page 151: ...rammed and modified V I Module VI The V I module or VI refers to the MTS 3030 module This module contains convertible AC output channels Each channel can operate in either voltage mode 0 150 V or current mode 0 25 A Voltage Mode The MTS 3030 module uses convertible amplifiers that can operate in either current mode or voltage mode 5 4 2 WFG Module WFG refers to waveform generation modules such as ...

Page 152: ...GLOSSARY D 4 MTS 3000 SERIES OPERATION AND REFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A ...

Page 153: ... current modes 4 6 current ramping 2 3 5 8 current range 2 4 4 6 5 5 5 9 7 7 D DC current 1 4 2 2 2 3 3 13 3 14 3 24 3 25 3 28 3 30 to 3 32 3 41 5 6 5 20 5 21 7 6 7 16 DC voltage 1 1 2 2 2 3 3 4 to 3 6 3 9 3 15 to 3 17 3 21 3 22 3 25 3 42 3 43 7 5 7 15 A1 A2 directional overcurrent relay 3 35 Display Mode 3 22 3 25 3 26 3 30 3 34 3 38 5 10 5 11 5 13 B 1 D 1 Dynamic Fault Mode 1 2 3 13 3 14 3 23 3 ...

Page 154: ...23 3 26 4 1 4 3 5 9 5 20 6 2 6 5 6 7 6 9 6 11 6 13 6 15 6 18 A 2 B 1 to B 3 B 5 B 10 C 1 C 2 D 2 MTS 3010 2 1 to 2 4 3 4 3 5 4 4 6 4 6 6 6 7 6 10 6 12 6 14 6 16 7 15 MTS 3020 2 2 to 2 4 7 15 MTS 3030 1 3 2 2 3 35 4 6 5 15 6 4 6 6 6 7 6 10 6 12 6 14 6 16 7 5 7 15 A 2 D 1 D 3 MTS 3040 1 2 1 3 2 1 2 2 3 6 6 2 6 7 6 10 6 12 6 14 7 15 B 1 D 3 MTS 3060 1 2 1 3 2 1 2 2 3 6 6 2 6 4 6 6 6 16 6 17 7 15 B 1 ...

Page 155: ...3 31 Test Mode 1 3 3 1 3 2 3 14 D 2 timer 3 2 3 13 3 20 3 23 3 26 3 29 to 3 31 3 40 3 43 4 1 4 3 to 4 5 5 10 5 20 D 1 External start mode 5 12 5 13 D 1 Internal start mode 5 12 tone 3 5 3 12 3 19 3 21 3 23 3 25 3 26 3 29 to 3 32 3 36 3 39 4 5 7 16 transformer differential relay see differential relay 3 22 3 24 3 25 3 28 4 7 5 11 6 17 B 1 B 9 B 10 trigger action 4 3 to 4 5 5 21 D 1 D 2 two wire pul...

Page 156: ...INDEX E 4 MTS 3000SERIESOPERATIONANDREFERENCE MANUAL 0 17 7 67 6 67 06 CU M004 01A ...

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