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GE Power Management

SPM Synchronous Motor Protection & Control

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4 USER INTERFACE

4.1 SPMPC SOFTWARE

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4.1.5 EDITING A SETPOINT FILE

The following example illustrates how to enter setpoints using the SPMPC program.

1.

Select the Programming > Configuration menu item. The following dialog box prompts for the configura-
tion information.

2.

For setpoints requiring numerical values (e.g. RS485 Min. Turnaround Time), change the value by clicking
the up/down arrows at the right side of the box. Alternately, you may click the mouse pointer anywhere
inside the setpoint value box to display a numerical keypad showing the OLD value, RANGE, and INCRE-
MENT of the setpoint value being modified.

3.

For setpoints requiring non-numerical values (e.g. Motor Type), clicking anywhere inside the setpoint box
causes a selection menu to be displayed.

Enter the new value by clicking on
the numerical keys

Click Accept to exit the keypad and
keep the new value

Click Cancel to exit the keypad and
keep the old value

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Summary of Contents for SPM

Page 1: ...n 210 000 Manual P N 1601 0072 A6 Copyright 2001 GE Power Management GE Power Management 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 294 8512 Internet http www GEindustrial com pm Manufactured under an ISO9001 Registered system g GE Power Management ...

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Page 3: ...hould further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purpose the matter should be referred to the General Electric Company To the extent required the products described herein meet applicable ANSI IEEE and NEMA standards but no such assurance is given with respect to local codes and ordinances because they vary greatly ...

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Page 5: ...OUTPUTS 2 6 2 3 5 CURRENT TRANSFORMER INPUT 2 6 2 3 6 POWER FACTOR OUTPUT 2 6 2 3 7 DC FIELD CURRENT INPUT 2 6 2 3 8 EXCITER VOLTAGE OUTPUT MONITOR 2 6 2 3 9 POWER FACTOR REGULATION OUTPUT 2 7 2 3 10 CONTROL VOLTAGE 2 7 2 3 11 EXTERNAL VOLTAGE PF REFERENCE 2 7 2 3 12 RS485 COMMUNICATIONS PORT 2 8 3 SYNCHRONOUS MOTOR APPLICATIONS 3 1 OVERVIEW 3 1 1 GENERAL 3 1 3 2 COLLECTOR RING MOTORS 3 2 1 STARTI...

Page 6: ...ANGING STATUS MODE PARAMETERS 4 14 4 2 6 ALTERNATE MENU OPERATION 4 14 5 SETPOINTS 5 1 OVERVIEW 5 1 1 DESCRIPTION 5 1 5 2 SETPOINTS MENU 5 2 1 POWER FACTOR TRIP 5 2 5 2 2 POWER FACTOR DELAY 5 2 5 2 3 POWER FACTOR SUPRESSION 5 2 5 2 4 POWER FACTOR MODE 5 3 5 2 5 FIELD APPLICATION RELAY DELAY 5 3 5 2 6 FIELD CONTACTOR AUXILIARY RELAY DELAY 5 3 5 2 7 AC CT PRIMARY RATING 5 4 5 2 8 MOTOR FULL LOAD AMP...

Page 7: ...NCOMPLETE SEQUENCE TRIP COUNTER 6 2 6 2 3 FIELD LOSS TRIP COUNTER 6 2 6 2 4 PULL OUT TRIP COUNTER 6 2 6 2 5 RESYNCRONIZATION ATTEMPTS TRIP COUNTER 6 2 6 2 6 MISSING EXTERNAL PF VOLTAGE REFERENCE COUNTER 6 2 6 2 7 CHECK EXCITER TRIP COUNTER 6 3 6 2 8 POWER FACTOR TRIP COUNTER 6 3 6 2 9 SQUIRREL CAGE TRIP COUNTER 6 3 6 2 10 FIELD OVERVOLTAGE TRIP COUNTER 6 3 7 TESTING AND TROUBLESHOOTING 7 1 START U...

Page 8: ...PERATION COMMAND CODES COIL NUMBERS 9 1 9 2 MEMORY MAPPING 9 2 1 MODBUS MEMORY MAP 9 2 9 2 2 FORMAT CODES 9 7 10 FUNCTIONAL TESTS 10 1 INTRODUCTION 10 1 1 DESCRIPTION 10 1 10 2 COLLECTOR RING MOTOR FIELD APPLICATION TEST 10 2 1 SETUP 10 2 10 2 2 RELAY PROGRAMMING 10 2 a CONFIGURATIONS 10 2 b SETPOINTS 10 2 10 2 3 TEST 10 2 10 3 COLLECTOR RING MOTOR POWER FACTOR TEST 10 3 1 SETUP 10 3 10 3 2 RELAY ...

Page 9: ... 8 1 SETUP 10 8 10 8 2 RELAY PROGRAMMING 10 8 a CONFIGURATIONS 10 8 b SETPOINTS 10 8 10 8 3 TEST 10 8 10 9 EXCITER FIELD VOLTAGE METERING TEST 10 9 1 SETUP 10 9 10 9 2 RELAY PROGRAMMING 10 9 a CONFIGURATIONS 10 9 b SETPOINTS 10 9 10 9 3 TEST 10 9 10 10 EXCITER FIELD CURRENT METERING TEST 10 10 1 SETUP 10 10 10 10 2 RELAY PROGRAMMING 10 10 a CONFIGURATIONS 10 10 b SETPOINTS 10 10 10 10 3 TEST 10 10...

Page 10: ...vi SPM Synchronous Motor Protection Control GE Power Management TABLE OF CONTENTS ...

Page 11: ...SPM can be applied as part of a complete synchronous motor controller This consists of four parts A main device switches the motor on and off the power system Multifunction digital relays such as the GE Power Management 469 Motor Management Relay provide stator protection DC field protection and control are provided by the SPM The field contactor and field discharge resistor completes the control ...

Page 12: ...er RTM Statistical data includes number and type of trips The SPM performs a complete system check prior to starting the motor Figure 1 1 SINGLE LINE DIAGRAM 701767A9 CDR MOTOR LOAD AC BUS CLUTCH COUPLING DC SUPPLY 27 26F 95 96 56 95 48 94 86 94 48 55 SPM Stator Protection 469 Calibrator DC CT 37 50 IAC VDC IDC VAC ANSI DEVICE NUMBERS Field overtemperature Undervoltage Undercurrent or underpower I...

Page 13: ...ition to the relay itself These separate packages are explained in the following section 1 2 2 ACCESSORIES PG2SPM External hardware package for overtemperature and current loss protection up to 200 A includes 1 DCCT200 1 CM PG4SPM External hardware package for overtemperature and current loss protection up to 400 A includes 1 DCCT400 or DCCT500 and 1 CM MPSPM Mounting panel to retrofit existing µS...

Page 14: ...al at 120 V AC RELAY CONTACT Type FAR TRP Form A FCX Form C Rated Load 10 A AC continuous NEMA A300 1 A DC continuous NEMA R300 Break 10 A at 250 V AC or 30 V DC Max Operating Voltage 250 V AC ENVIRONMENT Humidity 0 to 95 non condensing Operating Temp 20 C to 70 C Storage Temp 40 C to 85 C TYPE TESTS Dielectric Strength Per IEC 255 5 and ANSI IEEE C37 90 2 0 kV for 1 min from relays CTs VTs power ...

Page 15: ...f the power system and protect the motor from damage that can occur if the motor is running in an abnormal condition such as out of synchronization A complete synchronous motor controller consists of a motor starter and switching device typically a contac tor which controls the main power to the motor In addition protective relaying is provided for both the stator and the rotor such as a 469 SPM c...

Page 16: ... removed from the case 2 2 3 INSERTING THE DRAWOUT RELAY 1 Slide the relay into the case and close the top and bottom locking tabs 2 Insert the paddle into the opening at the bottom of the relay 3 Carefully re connect the ribbon cable to the cradle assembly DO NOT shift or skew the ribbon connector 4 Re mount the faceplate assembly to the case from the front panel Slide the faceplate onto the tabs...

Page 17: ...GE Power Management SPM Synchronous Motor Protection Control 2 3 2 INSTALLATION 2 2 MECHANICAL INSTALLATION 2 Figure 2 2 PHYSICAL DIMENSIONS SPM Sync Protection Control ...

Page 18: ...PUTS RS485 A11 A12 A1 MX MX1 MX MONITOR A9 A2 NX2 A10 A3 NX1 COMM GND SYNC MOTOR PF ANALOG OUTPUT OR PF REG CONTROL SIG OUTPUT IF PF REGULATOR OPTION ON REDUCED VOLTAGE STARTERS REMOVE JUMPER AND CONNECT A NO AUX CONTACT FROM THE FINAL STEP CONTACTOR HERE DCCT DCCT V V V V RM EXCITER TO EXCITER POWER SUPPLY TO PLC OR COMPUTER BRUSHLESS COLLECTOR RING 701756AN CDR COLLECTOR RING 701751 DWG BRUSHLES...

Page 19: ...asy reference Compact S1 rugged metal bakelite case Fits standard cutout 2 Phase current inputs Accept 8 wire DISPLAY FUNCTION MENU S1 CASE MOTOR LINE CURRENT QUICK RELEASE TABS A B A 1 1 2 3 4 5 6 7 8 9 10 I2S I2T I3S I3T 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 RS485 RS485 RS485 GND NX2 NX1 MX1 N N V F V F V E V E I E NC NC NC I E NC SPM Sync Protection Control SC...

Page 20: ...y DC to the motor field 3 FCX Loading Relay This relay picks up when the motor is fully synchronized and ready to be loaded It is controlled by the FCX Delay programmable setpoint 2 3 5 CURRENT TRANSFORMER INPUT The SPM is designed to work from a five ampere 5 A current transformer CT secondary The current trans former must be connected in the proper motor phase See Figure 2 3 TYPICAL WIRING DIAGR...

Page 21: ...s allows connection for control power from a stabilized voltage source of 115 V AC or 230 V AC Terminal points V1EXT and V2EXT have been added to accommodate the separate PF reference voltage 2 3 11 EXTERNAL VOLTAGE PF REFERENCE When terminal points V1EXT and V2EXT are used to accommodate a separate PF reference voltage as described above a standard protective function will alert the user should t...

Page 22: ...minals Internally an isolated power supply is used to prevent noise coupling To ensure that all devices in a daisy chain are at the same potential it is imper ative that the common terminals of each RS485 port are tied together and grounded only once at the master Failure to do so may result in intermittent or failed communications The source computer PLC SCADA system should have similar transient...

Page 23: ...or iron is due to the rotor s physical shape and arrangement and the constant potential DC in coils looped around the circumference of the rotor Synchronous motors possess two general categories of torque characteristics One characteristic is deter mined by the squirrel cage design which produces a torque in relation to slip some speed other than syn chronous speed The other characteristic is dete...

Page 24: ...f reactance to resistance shifts the angle toward 90 Reactance is high at low speed high frequency At high speed low slip low frequency reactance decreases and the angle shifts toward 0 if the circuit includes a high value of resistance As the stator goes beyond 45 the torque increases due to increased stator flux At this point IFD yields a convenient indicator of maximum flux and increasing torqu...

Page 25: ...le torque the motor would cease to accelerate certain loads at some point on the speed axis Figure 3 5 MOTOR TORQUE VS SPEED The upper limit of the discharge resistance is governed by the other function of the resistor which is reducing field voltage to safe levels during starting As the discharge resistance increases so does the induced voltage and at some point this voltage would be damaging to ...

Page 26: ...recision than might otherwise be possible The increase in load which can be pulled in due to precision application of field will vary from one motor design to another along with system inertia Applying excitation at the point of zero induced current favorable angle takes advantage of motor capability in two ways 1 It catches traps salient pole flux at significant magnitude provided there is a fiel...

Page 27: ...e to positive the point of maximum rotor flux see Figure 3 3 TYPI CAL ROTOR FLUX AND CURRENT AT PULL IN on page 3 2 Maximum utilization of motor pull in capability depends upon the degree to which the control can accurately sense speed and rotor angle Rotor frequency is the most positive electrical parameter available for indicating speed and can be sensed by detecting the frequency of the voltage...

Page 28: ...s polar ized by the stator flux under this condition and can therefore be polarized in any direct axis alignment occur ring each 180 External excitation forces pole to pole alignment in only one orientation of the direct axis Should the rotor pull in to synchronism 180 away from the normal running alignment external excitation will build up rotor flux in opposition to the stator flux As the extern...

Page 29: ...tall time An accelerated schedule can then be established for the motor in terms of running time at any speed less than synchronous as a percent of allowable stall time Increased air circulation from the rotor fan reduces the heating rate as the motor accelerates Frequency can be measured directly as an indication of speed and the designer s curves for speed versus time can be used for protection ...

Page 30: ...sured inrush current This ratio can be used as a factor for increasing the stall time above the full voltage allowable stall time for any given speed See Figure 19 The SPM calculates the ratio squares it and factors this value into the stall time algorithm approximately one tenth of a second after motor starts When the final step contactor closes and applies full voltage to the motor windings a N ...

Page 31: ...S MOTOR APPLICATIONS 3 2 COLLECTOR RING MOTORS 3 Figure 3 9 PROTECTION FOR REDUCED VOLTAGE STARTS 1 200 150 2 6 3 8 5 15 25 20 60 80 30 50 40 4 1 5 10 100 0 10 20 60 90 100 80 70 50 40 30 Synchronous Speed 65 80 90 100 701760A7 CDR Run Time Zero Speed Stall Time Line Voltage 50 ...

Page 32: ...ovided to prevent this condition from occurring One of the most reliable indicators of synchronous and asynchronous out of step operation is the motor power factor Power factor is related to the phase angle between voltage and current Synchronous motors sel dom if ever operate continuously at lagging power factor Synchronous motors run at either unity or some value of leading power factor Lagging ...

Page 33: ...s a phasor diagram depicting the rela tionship of voltage and current for various power factors The SPM automatically suppresses power factor protection until the programmed setpoint FCX times out The SPM can be programmed to suppress power factor trip action if the line current is less than 6 percent or 50 percent of the rated full load current via the PF Suppression setpoint Selecting the Rideth...

Page 34: ...t Relay FCX drops out at the same time as FAR Load is removed if an automatic loader is connected The motor will continue to run with field removed for the programmed power factor delay time and if resyn chronization does not occur within this time the TRIP relay will operate and the motor will stop The display will indicate FAIL TO RESYNC b RIDE THRU MODE If the alternate ride thru mode is select...

Page 35: ...tage dip with a solid state exciter is shown in Figure 3 11 POWER FACTOR RESPONSE TO LINE VARIANCE on page 3 14 Assuming the condition of a line voltage decrease of 15 with the motor initially at unity power factor the power factor will swing leading momentarily because the generated EMF does not change until the rotor flux decreases determined by field time constant The motor will tend to maintai...

Page 36: ...3 14 SPM Synchronous Motor Protection Control GE Power Management 3 2 COLLECTOR RING MOTORS 3 SYNCHRONOUS MOTOR APPLICATIONS 3 Figure 3 11 POWER FACTOR RESPONSE TO LINE VARIANCE ...

Page 37: ...CTOR SENSING MOTOR MODE VS GENERATOR MODE Therefore a given line current that leads the conventional generator voltage phasor will lag the corresponding conventional motor phasor The diagram above shows that IA is lagging VAB conventional motor phasor while it is leading VBA conventional generator phasor This confusion can be eliminated by defining one terminal voltage phasor for both generating a...

Page 38: ...automatic boost ing of field current to avoid pull out is called field forcing The Power Factor regulator thus provides automatic boosting when field forcing is required and economical low field operation when the motor is idling Another application of the power factor regulator is to control power factor swings that result from various lev els of loading so as not to cause fluctuations in the pla...

Page 39: ...rmal operation During start the motor accelerates to near synchro nous speed When the rotor is close enough to synchronous speed for the field poles to pull the rotor into syn chronism DC is applied to the main field and the rotor pulls into step normally operating at a power factor equal to or more leading than unity The brushless motor has as its name implies no brushes or slip rings Instead it ...

Page 40: ...ction and provide a contact for signaling external automatic motor loading devices for motor loading This is determined by a second given pre set time delay that allows suf ficient time after the application of the exciter field for the motor to synchronize and stabilize Both of these times can be entered as setpoint parameters in the SPM See programming Section 4 9 Figure 3 15 BRUSHLESS STALL ACC...

Page 41: ...r collector ring motors described in Section 3 2 6 However current I3 is derived internally to the SPM by algebraically summing cur rents at the I1 and I2 inputs It is important to connect current inputs for I1 and I2 as shown in Figure 8 for brushless machines Only the ride through mode is available for brushless machines If an attempt to resynchronize is desirable set the PF trip delay parameter...

Page 42: ...3 20 SPM Synchronous Motor Protection Control GE Power Management 3 3 BRUSHLESS CONTROLLER 3 SYNCHRONOUS MOTOR APPLICATIONS 3 ...

Page 43: ...ftware installation upgrade procedure SPMPC software system configuration Creating Editing Upgrading Downloading Setpoint Files Printing Setpoints and Actual Values Using Trending The following minimum requirements must be met for the software to operate properly Processor minimum 486 Pentium recommended Memory minimum 4 MB 16 MB minimum recommended 540 K of conventional memory Hard Drive 20 MB fr...

Page 44: ...e GE Power Management website the procedures for installation from the CD and the web are identical Figure 4 1 GE POWER MANAGEMENT WELCOME SCREEN 3 Click the Index by Product Name item from the main page and select SPM Synchronous Motor Protec tion and Control from the product list to open the SPM product page 4 Click the Software item from the Product Resources list to bring you to the SPM softwa...

Page 45: ...icates Communicating Set the based upon user preference In the Communicate with Relay mode SPMPC will attempt to establish communications immediately upon startup While in the File mode w default settings SPMPC waits for the user to click the button before attempting communications this mode is preferred when SPMPC is being used without an attatched SPM Startup Mode ON Set to match the type of RS2...

Page 46: ...s to program from the Programming menu e g Programming Configuration and enter the new setpoints When finished click OK The information is automatically stored to the computer s scratchpad memory Figure 4 3 PROGRAMMING CONFIGURATION WINDOW 3 Repeat step 2 until all the desired setpoints are programmed 4 Select the File Save As menu item to store this file to disk Enter the location and file name o...

Page 47: ...rnaround Time change the value by clicking the up down arrows at the right side of the box Alternately you may click the mouse pointer anywhere inside the setpoint value box to display a numerical keypad showing the OLD value RANGE and INCRE MENT of the setpoint value being modified 3 For setpoints requiring non numerical values e g Motor Type clicking anywhere inside the setpoint box causes a sel...

Page 48: ...ccomplished as follows 1 Select the File Open menu item 2 SPMPC launches the Open window listing all filenames in the SPM default directory with the extension SPM Select the file to download and click OK Select the File Send Setpoints to Relay menu item SPMPC will prompt to confirm or cancel the setpoint file transfer Click Yes to download the setpoints to the SPM or click No to cancel ...

Page 49: ...of the re lay s firmware e g 201 3 Next select the File Open menu item and enter the location and filename of the setpoint File to be downloaded to the connected relay When the file is open SPMPC will be in Editing File mode and Not communicating 4 Select the File Properties menu item and note the version code of the setpoint file If the Main Software number of the setpoint file e g 20x is differe...

Page 50: ...pen menu item to open a previously saved setpoint file or establish communications with a connected SPM to print the current setpoints 3 Select the File Print Setup menu item and select one of the printing options actual values setpoints or setpoints for enabled features Click OK to continue 4 Select the File Print menu item and click OK to send the setpoint file to the connected printer ...

Page 51: ...u item open the Trending window 3 Press the Setup button to enter the Graph Attribute window 4 Program the Graphs to be displayed by selecting the pull down menu beside each Graph Description Change the Color Style Width Group and Spline selection as desired Select the same Group for all parameters to be scaled together 5 Select Save to store these Graph Attributes and OK to close this window 6 Us...

Page 52: ... When the motor is in running mode pressing either of these keys will halt the display from scroll ing They can then be used to step through the displayed values one at a time Pressing and holding this key will resume the automatic scrolling of the display When changing a setpoint or other parameter pressing and holding either of the SCROLL keys down will put the values being changed into a decade...

Page 53: ...ints 7 To change a setpoint press the key as prompted 8 Once the setpoint has been selected the value of the setpoint should blink Use the keys to change the value of the setpoint and then press the key to continue If you choose not to change this setpoint once it has been selected pressing the GE key deselects the setpoint 9 Additional setpoints can be changed using the above procedure When all s...

Page 54: ...eter press the key as prompted 8 Once the calibration parameter has been selected the value of the parameter should blink Use the keys to change the value of the setpoint and then press to continue If you choose not to change this setpoint once it has been selected pressing the GE key deselects the setpoint 9 Additional calibration parameters can be changed using the above procedure When all calib...

Page 55: ...figuration press the key as prompted 8 Once the configuration has been selected the value of the setpoint should blink Use the keys to change the value of the configuration and then press the key to continue If you choose not to change this setpoint once it has been selected pressing the GE key deselects the setpoint 9 Additional configurations can be changed using the above procedure When all set...

Page 56: ...e it has been selected pressing the GE key deselects the parameter 7 Additional parameters can be changed using the above procedure When all parameter changes have been accomplished press the GE Key This will return the display to the STAT MODE main menu Press the GE key again and the display will change to the PROGRAMMING MODE main menu Pressing the GE key again puts the display into the TEST MOD...

Page 57: ...GE Power Management SPM Synchronous Motor Protection Control 5 1 5 SETPOINTS 5 1 OVERVIEW 5 5 SETPOINTS 5 1 OVERVIEW 5 1 1 DESCRIPTION Figure 5 1 SPM DISPLAY STRUCTURE ...

Page 58: ...LAY times out 5 2 2 POWER FACTOR DELAY FUNCTION The PF DELAY setpoint represents the elapsed time delay after the power factor dips below the PF TRIP setpoint or after the line current remains greater than four times the FL AMPS setpoint before the SPM initiates tripping action for power factor trip or pull out trip MOTOR TYPE Collector Ring and Brushless 5 2 3 POWER FACTOR SUPRESSION FUNCTION Pow...

Page 59: ...his time a PWR FACTOR TRIP occurs operating the trip relay and stopping the motor MOTOR TYPE Collector Ring 5 2 5 FIELD APPLICATION RELAY DELAY FUNCTION This setpoint provides for a time delay in closing the field application relay FAR to apply DC to the exciter after the stator windings are energized MOTOR TYPE Brushless 5 2 6 FIELD CONTACTOR AUXILIARY RELAY DELAY FUNCTION Program FCX DELAY time ...

Page 60: ... invalid out of range minimum FL AMPS maximum FL AMPS AC CT RTG MOTOR TYPE Collector Ring and Brushless NOTE The value entered here affects the valid range of the motor locked rotor current LR AMPS setpoint 5 2 9 MOTOR LOCKED ROTOR AMPS FUNCTION This setpoint represents the motor locked rotor current and is related to the FL AMPS setpoint The minimum and maximum current is determined by the formul...

Page 61: ... time that power may be applied to the motor during locked rotor condi tions This information may normally be found on the motor control data sheet available from the motor manu facturer MOTOR TYPE Collector Ring and Brushless 5 2 12 RUN TIME FUNCTION Run time is the time that the motor may run at 50 speed and is expressed as a multiple of the allowable motor stall time MOTOR TYPE Collector Ring E...

Page 62: ... APPLICATION The standard DCCT200 from PG2SPM package has a rated 200 A primary and a 50 mA secondary 4000 1 ratio The DCCT terminals connect to CM terminals 7 and 8 the polarity not important Multiple turns of field cable through the DCCT window may be required to obtain the proper effective CT ratio Determine your motor rated field or exciter field current and use the following table to determin...

Page 63: ...he motor nameplate contains the motor s maximum temperature rise and field resistance This information is used with the multiplier from the table below to determine the maximum field ohms and therefore the maxi mum field winding temperature at which the motor should be allowed to operate EXAMPLE A motor with a nameplate field resistance of 2 Ω at 25 C with insulated copper windings has a maximum t...

Page 64: ...PM will trip and display CHECK EXCITER if the field voltage falls below the setpoint The SPM checks the exciter volt age before allowing the motor to start and will not allow a start if the voltage is not present but will not require a reset once voltage is reestablished The SPM displays CHECK EXCITER and initiates a trip anytime the motor is running and the field voltage is below this setpoint In...

Page 65: ...PM does not properly complete its starting sequence in the setpoint time the SPM will trip and display an in complete sequence condition COLLECTOR RING The time setting may be set to a value between 1 and 100 seconds but not less than the FCX delay setpoint BRUSHLESS The time setting may be set to a value between 1 and 200 seconds but not less than the sum of the FAR delay setpoint and the FCX del...

Page 66: ... to output the floor value see FLOOR VOLTS parameter by entering OFF This enables the operator to set up base field amperes then the regulator power factor may be returned to its normal setting and the regulator will function normally MOTOR TYPE Collector Ring 5 3 3 REGULATOR GAIN FUNCTION Adjust this setpoint for optimum regulator performance MOTOR TYPE Collector Ring 5 3 4 STABILITY FUNCTION Thi...

Page 67: ...imum MOTOR TYPE Collector Ring NOTE This value must be less than or equal to the REG OUTPUT setpoint APPLICATION Certain conditions of operation require a floor so that the motor power factor will not become unstable if the field cur rent is drastically reduced When the floor overrides the regulator the power factor moves in a more leading condition than the regulator setpoint As the load and or s...

Page 68: ...or calculations See Section 2 4 Electrical installation for proper wiring details 5 4 4 RTU ADDRESS FUNCTION Enter the Modbus slave address here which must be unique to all SPMs on the same communication link 5 4 5 BAUD RATE FUNCTION This setpoint allows the user to select the desired baud rate 5 4 6 PARITY FUNCTION Enter the type of parity necessary MOTOR Collr Ring ENTER to modify Range Collr Ri...

Page 69: ...w system 5 4 8 STATUS MODE FUNCTION This setpoint allows the user to configure the parameters in the STATUS MODE such that they are read only or read writeable 5 4 9 PASSWORD FUNCTION This allows the user to program a new password other then the factory default to restrict access to programma ble feature on the SPM TURNAROUND 5 ENTER to modify Range 0 to 1000 ms Step 1 STAT read only ENTER to modi...

Page 70: ...Use this setpoint to fine tune the metered DC exciter current input to the SPM from the calibration module and DCCT Coarse adjustment should be made via the calibration module potentiometer To calibrate the exciter amps compare the reading on the SPM with the measured value of an external meter and adjust this setpoint as necessary Note that this must be done while the motor is running thus it is ...

Page 71: ...lagging DC AMPS Displays the exciter field current in DC Amps DC VOLTS Displays the exciter field voltage in DC Volts EXC FIELD Displays the exciter field resistance in Ohms AC AMPS Displays the motor phase current in AC Amps NOTE These values can only be seen when the motor is running PWR FACTOR 1 00 DC AMPS 0 A DC VOLTS 0 V EXC FIELD 0 W AC AMPS 0 A The display auto scrolls through actual values...

Page 72: ... COUNTER FUNCTION Accumulated number of pull out trips 6 2 5 RESYNCRONIZATION ATTEMPTS TRIP COUNTER FUNCTION Accumulated numbers of resynchronization attempts Present when PF MODE is set to resync Available only when motor is collector ring type 6 2 6 MISSING EXTERNAL PF VOLTAGE REFERENCE COUNTER FUNCTION Accumulated number of missing voltage trips Present when PF REF is set to external MOTOR HRS ...

Page 73: ... 8 POWER FACTOR TRIP COUNTER FUNCTION Accumulated number of power factor trips 6 2 9 SQUIRREL CAGE TRIP COUNTER FUNCTION Accumulated number of squirrel cage trips 6 2 10 FIELD OVERVOLTAGE TRIP COUNTER FUNCTION Accumulated number of field overtemperature trips EXC TRP CTR 0 SELECT to modify PF TRP CTR 0 SELECT to modify SCP TRP CTR 0 SELECT to modify FOT TRP CTR 0 SELECT to modify ...

Page 74: ...6 4 SPM Synchronous Motor Protection Control GE Power Management 6 2 STATUS 6 ACTUAL VALUES 6 ...

Page 75: ... should power up and indicate that it is performing its power on self test When this test is success fully completed the motor type is shown collector ring or brushless and SPM READY should be blinking on the display If not then a problem exists with the microprocessor or a peripheral device 3 Obtain a list of the factory programmed setpoints and review the SPM setpoints See Section 5 2 SET POINTS...

Page 76: ... is displayed momen tarily before a power factor trip occurs 5 To leave TEST MODE press and release the GE key until SPM READY is displayed again BE SURE TO STOP THE MOTOR AND DE ENERGIZE ALL POWER BEFORE CHANGING ANY LEADS 7 1 3 START UP DESCRIPTION Closing the feeder to the controller unit provides power to the control circuits and to the SPM Energizing the SPM causes the TRIP relay contacts ter...

Page 77: ...he SPM has closed the field contactor It is displayed briefly and is a normal SPM function PWR FACTOR TRIP The motor has been operating below the power factor setpoint too long causing a trip CHECK EXCITER The field voltage is below the minimum entered in the field undervoltage setpoint The exciter should be checked to determine that it is functioning properly Also the setpoint should be exam ined...

Page 78: ... energized but the internal circuitry to sense this has failed MX or TRP FAILURE The MX circuit or the TRIP relay circuit has failed COMM CARD FAILURE The communications card has failed or was not present during power up or SYSTEM TEST A periodic display of this error occurs only if a communication card test was passed during power up and subsequently fails during normal operation Only for units w...

Page 79: ... The floor parame ter is the output voltage across the PF regulator output terminals N and N This method of parameter entry can only be employed while the motor is running and only for the five power factor regulator parameters 5 Once the desired minimum motor field current is obtained press to deselect FLOOR VOLTS Press until the PF REG setpoint appears Program the desired power factor typically ...

Page 80: ...l each program address and check setpoint data against the desired setpoints usually listed in the controller elementary If the exciter voltage option is supplied exciter may not be energized Correct the operation of the DC field exciter so it outputs DC Relay in tripped condition Press any keyboard button to RESET Internal connector cable loose Remove front panel and check ribbon connectors for t...

Page 81: ...ance Increase PF DELAY setting Motor is unloaded and power factor regulator reference setpoint at or near unity resulting in instability Increase REG FLOOR setpoint to override regulator to maintain stability during light load condition Wiring to terminal points on rear of unit missing or loose Connect or tighten missing or loose wires to proper terminal points on rear of unit Motor starts applies...

Page 82: ...ield voltage product of induced field in amperes and discharge resistance in ohms must fall between 200 and 1000 V at both zero and 95 speed For this example 21 Ω 30 A 630 V zero speed check 21 Ω 17 A 357 V 95 speed check The criterion is thus met for this example If induced field voltage is greater than 1000 volts contact the factory Table 7 2 PROGRAMMING EXAMPLE Sheet 1 of 4 KEYPRESS DISPLAY COM...

Page 83: ...lue SCROLL DOWN key to move to the FL AMPS setpoint and then SELECT ENTER key to select the setpoint Changes existing value of FL AMPS to 56 SCROLL Key s to select value of 58 and then SELECT ENTER key to accept new value SCROLL DOWN key to move to the LR AMPS setpoint and then SELECT ENTER to select the setpoint Change the existing value of LR AMPS to 226 SCROLL Key s to select value of 226 and t...

Page 84: ...IELD AMPS setpoint then SELECT ENTER to select the setpoint Change the existing value of FIELD AMPS to 45 SCROLL Key s to select value of 45 and then SELECT ENTER key to accept new value SCROLL DOWN key to move to the FIELD VOLTS setpoint then SELECT ENTER to select the setpoint Change the existing value of FIELD VOLTS to 125 SCROLL Key s to select value of 125 and then SELECT ENTER key to accept ...

Page 85: ... to accept new value SCROLL DOWN key to move to FLOOR VOLTS setpoint then SELECT ENTER to select the setpoint Change the existing value of FLOOR VOLTS to 5 00 SCROLL Key s to select value of 5 00 and then SELECT ENTER key to accept new value Exit out to SETPOINTS menu Save setpoint changes Exit out to PROGRAMMING MODE menu Exit out to TEST MODE menu Ready mode display Table 7 2 PROGRAMMING EXAMPLE...

Page 86: ... 6 2 DON Ts 1 Don t use the VDN module that was supplied with the old version MSPM C0192 with the SPM The VDN module has changed and is incompatible Damage or miss operation will occur if used 2 Don t use a 1A secondary CT with the SPM The SPM has been designed to work with 5A CTs only 3 Don t mount the SPM display remotely The display must be mounted to the case when in operation Noise problems m...

Page 87: ...d hold the enter key While both keys are held and encrypted password will appear on the screen 4 Record this password and contact the GE Power Management service center They can decode the password for you 3 What causes a run time fault A run time fault is initiated by the SPM when it calculates a metered value beyond its acceptable range The two most common causes of this are SPM measures a start...

Page 88: ...ting and subsequent break down of the amortisseur winding This heating is caused during motor acceleration If the lockout time is too long it can be decreased by selecting a higher RUNTIME curve setting or by setting a longer STALL TIME Note If either of these changes are done make sure that you have not gone beyond the motor manufacturer s specifi cations To avoid lockouts entirely tripping or st...

Page 89: ...proved via disabling unused inputs to processor FIRMWARE REVISION 152 000 Display now refreshed every 30 seconds FIRMWARE REVISION 200 000 Modbus communications added Self test changed Off settings made uniform FIRMWARE REVISION 201 000 FAR relay not being released upon motor stopping error corrected FIRMWARE REVISION 202 000 Removed runtime error on starts when measured locked rotor exceeds progr...

Page 90: ...ON PC PROGRAM BOOT CODE RELEASE DATE BEGINNING SERIAL NUMBER HARDWARE COMPATIBLITY 109 000 N A N A 04 01 96 A4060000 A4060000 151 000 N A N A 07 31 96 A4060006 A4060006 152 000 N A N A 08 21 96 A4060015 A4060006 200 000 N A N A 01 24 97 A4060111 A4060111 201 000 N A N A 03 26 97 A4070219 A4060111 202 000 2 01 N A 11 12 98 A4091208 A4060111 203 000 2 01 N A 03 03 98 A4091345 A4060111 ...

Page 91: ... NETWORK 8 8 ACCESSORIES 8 1 VOLTAGE DIVIDER NETWORK 8 1 1 GE POWER MANAGEMENT VDN The VDN is provided to connect the SPM to field and or exciter voltages The VDN is included as a standard accessory Figure 8 1 GE POWER MANAGEMENT VOLTAGE DIVIDER NETWORK Figure 8 2 GE POWER MANAGEMENT VDN DIMENSIONS ...

Page 92: ...SPM Synchronous Motor Protection Control GE Power Management 8 1 VOLTAGE DIVIDER NETWORK 8 ACCESSORIES 8 8 1 2 GE MEBANE VDN Figure 8 3 GE MEBANE VOLTAGE DIVIDER NETWORK Figure 8 4 GE MEBANE VDN DIMENSIONS ...

Page 93: ...r AC excitation voltage to the DCCT and provides a calibration adjustment to obtain a proper field amperes reading This calibration is performed with a potentiometer The Calibration Module is required to utilize field current and or field overtemperature features It is included in the optional PG2SPM or PG4SPM accessory packages Figure 8 5 GE POWER MANAGEMENT CALIBRATION MODULE Figure 8 6 GE POWER...

Page 94: ...8 4 SPM Synchronous Motor Protection Control GE Power Management 8 2 FIELD CURRENT CALIBRATION MODULE 8 ACCESSORIES 8 Figure 8 7 GE MEBANE CALIBRATION MODULE Figure 8 8 GE MEBANE CM PHYSICAL DIMENSIONS ...

Page 95: ... secondary 4000 1 ratio DCCT ter minals connect to CM points 7 and 8 polarity not important Multiple turns of field able through the DCCT window may be required to obtain the proper effective CT ratio The DCCT is required to utilize field current and or field overtemperature features It is available in the optional PG2SPM or PG4SPM accessory packages Figure 8 9 DC CURRENT TRANSFORMER Figure 8 10 D...

Page 96: ...8 6 SPM Synchronous Motor Protection Control GE Power Management 8 3 DC CURRENT TRANSFORMER 8 ACCESSORIES 8 ...

Page 97: ...p bit 9 1 3 SETPOINTS The following setpoints are required to set up the Modbus communications port CONFIGURATIONS RTU ADDRESS Range 1 to 254 Set to the SPM address must be unique for each relay on the channel CONFIGURATIONS BAUD RATE Set from 300 to 115k baud CONFIGURATIONS PARITY Set to none even or odd depending on configuration CONFIGURATIONS TURNAROUND Enter the minimum Modbus turnaround time...

Page 98: ... 021F Reserved LINE CURRENT 0220 Instantaneous Line Current U16 N A 0221 Filtered Line Current U16 N A 0222 Reserved 0223 Reserved 0224 Reserved LINE VOLTAGE 0225 Instantaneous Motor Voltage U16 N A 0226 Filtered Motor Voltage U16 N A 0227 Reserved 0228 Reserved 0229 Reserved Range for collector ring motors Range for brushless motors 1 The access password must be written correctly before any setpo...

Page 99: ...45 Reserved OUTPUT RELAYS 0246 TRIP Relay Status Relaystate N A 0247 FAR Relay Status Relaystate N A 0248 FCX Relay Status Relaystate N A 0249 Reserved 024A Reserved 024B Reserved Table 9 2 MODBUS MEMORY MAP Sheet 2 of 5 GROUP ADDR hex DESCRIPTION RANGE STEP VALUE UNITS FORMAT CODE FACTORY DEFAULT Range for collector ring motors Range for brushless motors 1 The access password must be written corr...

Page 100: ...004 RTU ADDRESS 1 to 254 1 U16 1 1005 BAUD RATE 0 to 9 1 baud Baudrate 6 1006 RS485 PARITY 0 to 2 1 Parity 0 1007 RS485 MIN TURNAROUND TIME 0 1000 ms U16 5 1008 STATISTICS MODE 0 or 1 1 Startmode 1 1009 NEW PASSWORD 0 to 9999 1 U16 4985 1010 Reserved 104F Reserved Table 9 2 MODBUS MEMORY MAP Sheet 3 of 5 GROUP ADDR hex DESCRIPTION RANGE STEP VALUE UNITS FORMAT CODE FACTORY DEFAULT Range for collec...

Page 101: ...0 1131 STALL TIME 1 to 40 1 s U16 10 1132 RUN TIME 1 05 1 46 2 05 3 00 stall time Runtime 3 1133 INCOMPLETE SEQUENCE DELAY max 1 OFF 1 to 100 or OFF 1 to 200 or OFF 1 s U16 201 1134 Reserved 113F Reserved Table 9 2 MODBUS MEMORY MAP Sheet 4 of 5 GROUP ADDR hex DESCRIPTION RANGE STEP VALUE UNITS FORMAT CODE FACTORY DEFAULT Range for collector ring motors Range for brushless motors 1 The access pass...

Page 102: ...VOLTS 0 0 to 10 0 4 0 1 V 1decU16 0 1155 Reserved 115F Reserved Table 9 2 MODBUS MEMORY MAP Sheet 5 of 5 GROUP ADDR hex DESCRIPTION RANGE STEP VALUE UNITS FORMAT CODE FACTORY DEFAULT Range for collector ring motors Range for brushless motors 1 The access password must be written correctly before any setpoints can be written via Modbus The password is initially the same as the default password but ...

Page 103: ... places i e 100 times the real value 2decU16 16 bit Unsigned integer with 2 decimal places i e 100 times the real value Alpha 32 bit An alphabetic letter 1 A 2 B 26 Z Baudrate 16 bit 0 300 baud 1 600 baud 2 1200 baud 3 2400 baud 4 4800 baud 5 9600 baud 6 19200 baud 7 38400 baud 8 57600 baud 9 115200 baud Enable 16 bit 0 Disable 1 Enable Linefreq 16 bit 0 60 Hz 1 50 Hz Motorstatus 16 bit 0 Off 1 St...

Page 104: ...s 4 BCD digits For example revision 1234 would be 1234 hex or 4660 decimal Runtime 16 bit 0 1 05 stall time 1 1 46 stall time 2 2 05 stall time 3 3 00 stall time S16 16 bit Signed integer Statmode 16 bit 0 Read only 1 Read write Switchstate 16 bit 0 Open 1 Closed Tripcause 16 bit 0 Squirrel cage protection 1 Power Factor 2 Check exciter 3 Missing voltage 4 Fail to resync 5 Pull out 6 Field loss 7 ...

Page 105: ...ful for creating a portable test set with a wiring harness for all of the I O Testing of the relay during commissioning using a primary injection test set will ensure that CTs and wiring are correct and complete Cycle power to SPM to clear lockout times that may occur during testing After testing is complete it is a good idea to zero all statistics The following equipment is recommended to test th...

Page 106: ...closure to check timing 10 2 2 RELAY PROGRAMMING a CONFIGURATIONS Program as defaults shown in Section 5 4 CONFIGURATIONS MENU on page 5 12 except for following exceptions MOTOR Collr Ring b SETPOINTS Program as defaults shown in 5 2 SETPOINTS MENU on page 5 2 10 2 3 TEST 1 Apply control power to relay and wait for self test diagnostic to complete Should get SPM READY mes sage and TRIP relay shoul...

Page 107: ...1 and A12 of the SPM MX input Close switch 5 Connect multimeter to TRIP relay outputs to monitor relay status 10 3 2 RELAY PROGRAMMING a CONFIGURATIONS Program as defaults shown in Section 5 4 CONFIGURATIONS MENU on page 5 12 except for following exceptions MOTOR Collector Ring PF REF External if testing the external PF volt age reference b SETPOINTS Program as defaults shown in 5 2 SETPOINTS MENU...

Page 108: ...efaults shown in 5 2 SETPOINTS MENU on page 5 2 10 4 3 TEST 1 Apply control power to relay and wait for self test diagnostic to complete Should get SPM READY mes sage and TRIP relay should close 2 Turn on current source and function generator 3 Open MX switch 4 FAR contact should close followed by FCX contact FIELD IS APPLIED message should momentarily flash on screen 5 PF metered value will now b...

Page 109: ...on MX switch opening and stop on FAR closure to check timing Repeat with FAR and FCX respectively for FCX timing 10 5 2 RELAY PROGRAMMING a CONFIGURATIONS Program as defaults shown in Section 5 4 CONFIGURATIONS MENU on page 5 12 b SETPOINTS Program as defaults shown in 5 2 SETPOINTS MENU on page 5 2 10 5 3 TEST 1 Apply control power to relay and wait for self test diagnostic to complete Should get...

Page 110: ... Close switch 4 Connect multimeter to TRIP relay outputs to monitor relay status 10 6 2 RELAY PROGRAMMING a CONFIGURATIONS Program as defaults shown in Section 5 4 CONFIGURATIONS MENU on page 5 12 except for the following PF REF External if testing the external PF voltage reference b SETPOINTS Program as defaults shown in 5 2 SETPOINTS MENU on page 5 2 10 6 3 TEST 1 Apply control power to relay an...

Page 111: ...5 2 SETPOINTS MENU on page 5 2 10 7 3 TEST 1 Apply control power to relay and wait for self test diagnostic to complete Should get SPM READY mes sage and TRIP relay should close 2 Turn on current source 3 Open MX switch 4 FAR contact should close followed by FCX contact FIELD IS APPLIED message should momentarily flash on screen 5 PF metered value will now be displayed along with other metered val...

Page 112: ...the following FL AMPS 50 10 8 3 TEST 1 Apply control power to relay and wait for self test diagnostic to complete Should get SPM READY mes sage and TRIP relay should close 2 Turn on current source and function generator for Collector Ring 3 Open MX switch 4 FAR contact should close followed by FCX contact FIELD IS APPLIED message should momentarily flash on screen 5 AC Amps metered value will now ...

Page 113: ...Ring if testing for Collector Ring application b SETPOINTS Program as defaults shown in 5 2 SETPOINTS MENU on page 5 2 10 9 3 TEST 1 Apply control power to relay and wait for self test diagnostic to complete Should get SPM READY mes sage and TRIP relay should close 2 Turn on current source and function generator for Collector Ring 3 Open MX switch 4 FAR contact should close followed by FCX contact...

Page 114: ...he following MOTOR Collector Ring if testing for Collector Ring application b SETPOINTS Program as defaults shown in 5 2 SETPOINTS MENU on page 5 2 10 10 3 TEST 1 Apply control power to relay and wait for self test diagnostic to complete Should get SPM READY mes sage and TRIP relay should close 2 Turn on current source and function generator for Collector Ring 3 Open MX switch 4 FAR contact should...

Page 115: ...1 s AC CT RTG 50 5 FL AMPS 25 LR AMPS 200 SYNC SLIP 5 0 STALL TIME 10 s RUNTIME 1 05 x ST DC CT PRIM 5 A HIGH FIELD OFF FIELD AMPS OFF FLD IE DLY N A FIELD VOLTS OFF EX VLT DELAY N A INC SEQ DLY OFF REG PF 0 00 REG GAIN 1 STABILITY 1 cyc REG OUTPUT 1 V FLOOR VOLTS 0 0 CONFIGURATIONS MOTOR Coll Ring LINE FREQ 60 Hz PF REF internal RTU ADDRESS 1 BAUD RATE 19 2k PARITY None TURNAROUND 5 STAT read onl...

Page 116: ... 25 LR AMPS 200 SYNC SLIP 5 0 STALL TIME 10 s RUNTIME 1 05 x ST DC CT PRIM 5 A HI EXC FIELD OFF EX FLD AMPS OFF FLD IE DLY N A EX FLD VOLTS OFF EX VLT DELAY N A INC SEQ DLY OFF REG PF 0 00 REG GAIN 1 STABILITY 1 cyc REG OUTPUT 1 V FLOOR VOLTS 0 0 CONFIGURATIONS MOTOR Coll Ring LINE FREQ 60 Hz PF REF internal RTU ADDRESS 1 BAUD RATE 19 2k PARITY None TURNAROUND 5 STAT read only PASSWORD 0000 CALIBR...

Page 117: ... TORQUE MOTOR MAGNETIZATION 3 6 FIGURE 3 8 AMORTISSEUR WINDING PROTECTION 3 7 FIGURE 3 9 PROTECTION FOR REDUCED VOLTAGE STARTS 3 9 FIGURE 3 10 POWER FACTOR SENSING EXAMPLE 3 11 FIGURE 3 11 POWER FACTOR RESPONSE TO LINE VARIANCE 3 14 FIGURE 3 12 POWER FACTOR SENSING MOTOR MODE VS GENERATOR MODE 3 15 FIGURE 3 13 POWER FACTOR REGULATION 3 16 FIGURE 3 14 ROTATING RECTIFIER EXCITER WITH SYNCHRONOUS MOT...

Page 118: ...E 5 1 DCCT SETUP 5 6 TABLE 5 2 FIELD OVERTEMPERATURE RANGE STEP VALUES 5 7 TABLE 5 3 FIELD OHMS MULTIPLIER 5 7 TABLE 7 1 SPM TROUBLESHOOTING 7 6 TABLE 7 2 PROGRAMMING EXAMPLE 7 8 TABLE 7 3 REVISION HISTORY SUMMARY 7 16 TABLE 9 1 EXECUTE OPERATION CODES 9 1 TABLE 9 2 MODBUS MEMORY MAP 9 2 TABLE 9 3 MEMORY MAP FORMAT CODES 9 7 ...

Page 119: ...it is defective and it is returned with all transportation charges prepaid to an authorized service centre or the factory Repairs or replacement under warranty will be made without charge Warranty shall not apply to any relay which has been subject to mis use negligence accident incorrect installation or use not in accor dance with instructions nor any unit that has been altered outside a GE Power...

Page 120: ...C 2 SPM Synchronous Motor Protection Control GE Power Management C 1 WARRANTY APPENDIXC C ...

Page 121: ...ODED VIEW OF THE SPM 2 1 EXTERNAL VOLTAGE PF REFERENCE 2 7 F FIELD AND EXCITER VOLTAGE INPUTS 2 6 FIELD APPLICATION RELAY DELAY 5 3 FIELD CONTACTOR AUXILIARY RELAY DELAY 5 3 FIELD CURRENT CALIBRATION MODULE 8 3 FIELD DISCHARGE RESISTANCE 3 4 FIELD LOSS TRIP COUNTER 6 2 FIELD OHMS MULTIPLIER 5 7 FIELD OVERTEMPERATURE HIGH FIELD OHMS PROTECTION 5 7 FIELD OVERTEMPERATURE RANGE STEP VALUES 5 7 FIELD O...

Page 122: ...ETPOINTS ACTUAL VALUES 4 8 PROGRAMMING 7 8 PROGRAMMING EXAMPLE 7 8 PROGRAMMING EXAMPLE Sheet 1 of 4 7 8 PULL OUT TRIP COUNTER 6 2 R REDUCED VOLTAGE STARTING 3 8 REFERENCE VOLTAGE INPUT CONNECTIONS 2 7 REGULATOR GAIN 5 10 REGULATOR OUTPUT LIMIT 5 11 REGULATOR TUNE UP 7 5 RELAY OUTPUTS 2 6 RELUCTANCE TORQUE 3 1 RELUCTANCE TORQUE SYNCHRONIZING 3 6 REMOVING THE DRAWOUT RELAY 2 2 REQUIRED SETPOINTS 5 2...

Page 123: ... TRENDING 4 9 TROUBLESHOOTING 7 6 TROUBLESHOOTING GUIDE 7 6 TURNAROUND 5 13 TYPICAL ROTOR FLUX AND CURRENT AT PULL IN 3 2 TYPICAL TRANSFORMER ACTION OF ROTOR FLUX AND CURENT CONSTANT SLIP 3 2 TYPICAL WIRING DIAGRAM 2 4 U UNPACKING THE SPM 2 2 V VIEWING CHANGING STATUS MODE PARAMETERS 4 14 VOLTAGE DIVIDER NETWORK 8 1 W WARRANTY C 1 WEBSITE 4 2 ...

Page 124: ...iv SPM Synchronous Motor Protection Control GE Power Management INDEX ...

Page 125: ...GE Power Management SPM Synchronous Motor Protection Control NOTES ...

Page 126: ...downloaded and printed Product Selector Guide A graphical tool for finding the product you are inter ested in Sales Offices A complete listing of world wide sales offices Technical Support Complete contact information is available Instruction Manuals Manuals for many products are now available online GE Product Software The latest working versions of product software Technical Drawings Many techni...

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