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469 MOTOR MANAGEMENT RELAY – QUICK REFERENCE GUIDE

SYSTEM DATA

QUICK REFERENCE GUIDE

12.5

Control System Requirements

•

All protection elements used are to trip the breaker.

•

Breaker position monitoring via 52b contact only.

•

Only current metering is required.

•

Serial Communication Remote START from RTU.

•

Alarm after 100 s delay from station monitor. This is normally used to signal the
remote center when someone has gained access to the Substation.

12.6

Contact Outputs

•

Trip and close to breaker control circuit (Trip and Auxiliary2 relays).

•

Relay failure alarm to RTU (self-test warning relay, no programming required)

•

Alarm contact (setup in General Sw. A for “Station Monitor”)

•

No data communications to other equipment.

12.7

RTDs

The motor is fitted with the following RTDs:
•

RTD Type: 100

Ω

Platinum

•

6 Stator RTDs, 2 per phase

•

2 Bearing RTDs

•

1 Ambient RTD

The above data will be used to set the output relays to achieve breaker control by setting
digital inputs for breaker status, remote operations, remote status, and alarm indication.
The example assumes that the communications between the station and the Master
Control center will be done by the RTU. Alarms, status indication, and breaker commands
will be hardwired from the relay to the RTU. Similar information could be exchanged
between the RTU and the relay via an RS485 or RS422 Serial Link using Modbus RTU
protocol. Refer to GE Publication GEK-106491: 469 Communications Guide for additional
information.

12.8

Instrument Transformer Data

Voltage Transformers:

3 × Delta connected, ratio = 600:120 V

Motor System Voltage = 575 V

Phase CTs:

The phase CT should be chosen such that the FLC is 50% to 100% of CT primary. Since the
FLC is 347.5A a 350:5 or 400:5 CT may be chosen; 400:5 is a standard available size and so
would probably be selected.

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Содержание Multilin 469

Страница 1: ...l Order Code GEK 106493D Copyright 2009 GE Multilin GE Multilin 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 Internet http www GEmultilin com IISO9001 2000 G E M ULTILI N R E GISTERE D GE Multilin s Quality Management System is registered to ISO9001 2000 QMI 005094 UL A3775 1601 0153 A5 ...

Страница 2: ......

Страница 3: ...USING THE QUICK CONNECT FEATURE 16 CONFIGURING ETHERNET COMMUNICATIONS 17 CONNECTING TO THE RELAY 18 WORKING WITH SETPOINTS 20 ENGAGING A DEVICE 20 ENTERING SETPOINTS 20 WORKING WITH SETPOINT FILES 22 FILE SUPPORT 22 SETPOINTS FILES OVERVIEW 22 DOWNLOADING AND SAVING SETPOINTS FILES 23 ADDING SETPOINTS FILES TO THE ENVIRONMENT 23 CREATING A NEW SETPOINT FILE 24 UPGRADING SETPOINT FILES TO A NEW RE...

Страница 4: ... and Trip 50 Stopped and Running Cool Times 50 Acceleration Trip 50 Enable Start Inhibit 50 Starts Hour 50 Time Between Starts 50 Stator RTDs 50 Bearing RTDs 51 Unbalance Bias Of Thermal Capacity 51 Unbalance Bias K Factor 51 Hot Cold Curve Ratio 51 Enable RTD Biasing 51 RTD Bias Minimum 51 RTD Bias Mid Point 51 RTD Bias Maximum 52 SYSTEM SETPOINTS 52 DIGITAL INPUTS SETPOINTS 54 THERMAL MODEL SETP...

Страница 5: ...lation and setup of your GE Multilin 469 Motor Management Relay and helps you get setup and running as quickly as possible The following topics are covered Installing the 469 relay Installing the EnerVista 469 Setup software Configuring the 469 relay This guide contains only basic instructions For complete information refer to GE publication GEK 106474C 469 Motor Management Relay Instruction Manua...

Страница 6: ...stom curve feature and a curve specifically designed for the starting of high inertia loads where the acceleration time exceeds the safe stall time A second overload curve is provided for two speed motors Ground faults or earth leakage as low as 0 25 A may be detected using the GE Multilin 50 0 025 ground CT CT inputs for phase differential protection are also provided The 12 RTD inputs provided m...

Страница 7: ... DESCRIPTION 51 Overload 86 Overload lockout 66 Starts hour and Time between starts Restart block Anti backspin timer 50 Short circuit and Short circuit backup Mechanical jam 37 Undercurrent Underpower 32 Reverse power 46 Current unbalance 50G 51G Ground fault and Ground fault backup 87 Differential Acceleration 49 Stator RTD 38 Bearing RTD Other RTD and Ambient RTD Open RTD alarm Short Low RTD 27...

Страница 8: ...nal equipment Where required case connectors are fitted with mechanisms such as automatic CT shorting to allow the safe removal of the relay from an energized panel There are no electronic components in the case FIGURE 2 Case Dimensions 2 2 Mounting The 469 can be mounted alone or adjacent to another SR series unit on a standard 19 inch rack panel The dimensions of the panel cutout are shown below...

Страница 9: ...he panel slide the empty case into the cutout To ensure the front bezel sits flush with the panel apply pressure to the bezel front while bending the retaining tabs 90 These tabs are located on the sides and bottom of the case and appear as shown below After bending all tabs the case will be securely mounted and the relay can be inserted The SR unit is now ready for panel wiring FIGURE 4 Mounting ...

Страница 10: ...om of its right side It will rotate to the left about its hinges 2 Press upward on the locking latch which is located below the handle and hold in its raised position The tip of a small screwdriver may prove helpful in this operation FIGURE 5 Press latch up and pull handle 3 With the latch raised pull the center of the handle outward Once disengaged continue rotating the handle up to the stop posi...

Страница 11: ...the guide pins on the unit have engaged the guide slots on either side of the case 5 Once fully inserted grasp the handle from its center and rotate it down from the raised position towards the bottom of the relay 6 Once the unit is fully inserted the latch will be heard to click locking the handle in the final position The unit is mechanically held in the case by the handle rolling pins which can...

Страница 12: ...ENCE GUIDE QUICK REFERENCE GUIDE 3 Electrical installation FIGURE 8 Typical wiring diagram Get familiarized with the Installation Section of this manual Make sure that the relay is properly connected paying special attention to the following ...

Страница 13: ...Figure 8 on page 8 must be followed Note IMPORTANT The phase and ground current inputs will correctly measure to 20 times the current input s nominal rating The phase sequence is user programmable to be either ABC or ACB rotation Voltage transformer input ratings match the secondary ratings of the VT The 469 relays have four channels for AC voltage inputs each with an isolating transformer The nom...

Страница 14: ... GUIDE FIGURE 10 Analog outputs connection Analog inputs are connected as indicated in Figure 8 on page 8 Also refer to the figure below Note that the shield of the cable shall be grounded at one point only usually at the 469 end only FIGURE 11 Analog inputs connection ...

Страница 15: ...n Manual Note that to have access to the relay setpoints you must install a hardware jumper across terminals C1 and C2 at the back of the relay case Attempts to enter a new setpoint without this electrical connection will result in an error message Important additional information is provided in the same section regarding passcode and accessing information via the serial ports of the relay ...

Страница 16: ...y will be energized and the 469 In Service LED will be off Once the relay programming is complete the relay should be in the Service state For a typical example on how to set the 469 for motor protection refer to the Application Example on page 42 In addition to providing typical wiring diagrams the example covers the procedure to set the following features of the 469 5 1 System setup for phase ne...

Страница 17: ...g tree 5 4 Protection setpoints Refer to the Application Example on page 42 for details on how to set the 469 Motor Management Relay for a typical motor The EnerVista 469 setup software can be used to set the current related protection elements through the Setpoints Protection Current Elements menu item The setpoints will appear as tabs in the corresponding window A similar process can be followed...

Страница 18: ...front panel RS232 port To speed up the process of changing or loading relay setpoints the use of a computer is strongly recommended Refer to the 469 Instruction Manual for additional information on the serial communication cable to be used to communicate with the relay via the front port FIGURE 12 RS232 Connection ...

Страница 19: ...he EnerVista 469 Setup software available from the EnerVista CD or online from http www GEmultilin com 2 Click on the Device Setup button to open the Device Setup window and click the Add Site button to define a new site 3 Enter the desired site name in the Site Name field If desired a short site description can also be entered along with the display order of devices defined for the site In this e...

Страница 20: ...e top left corner of the main EnerVista 469 Setup window The 469 Site Device has now been configured for serial communications Proceed to Connecting to the relay on page 18 to begin communications 7 2 Using the Quick Connect feature The Quick Connect button can be used to establish a fast connection through the front panel RS232 of a 469 relay The following window will appear when the Quick Connec...

Страница 21: ...n of site can also be entered along with the display order of devices defined for the site In this example we will use Pumping Station 2 as the site name Click the OK button when complete 4 The new site will appear in the upper left list 5 Click the Add Device button to define the new device 6 Enter the desired name in the Device Name field and a description optional 7 Select Ethernet from the Int...

Страница 22: ...y double clicking on the site name or clicking on the box to list the available devices for the given site for example in the Pumping Station 1 site shown below 2 Desired device trees can be expanded by clicking the box The following list of headers is shown for each device Device Definitions Settings Actual Values Commands Communications 3 Expand the Settings Relay Setup list item and double clic...

Страница 23: ...unications steps described earlier The front panel setpoints can now be edited printed or changed according to user specifications Other setpoint and commands windows can be displayed and edited in a similar manner Actual values windows are also available for display These windows can be locked arranged and resized at will Note Refer to the EnerVista 469 Setup help file for additional information ...

Страница 24: ... will be changing the current sensing setpoints 1 Establish communications with the relay 2 Select the Setpoint System Setup menu item This can be selected from the device setpoint tree or the main window menu bar 3 Select the PHASE CT PRIMARY setpoint by clicking anywhere in the parameter box This will display three arrows up and down arrows to increment decrement the value and another to launch ...

Страница 25: ...oint value box displays a drop down selection menu arrow Click on the arrow to select the desired setpoint 7 For setpoints requiring an alphanumeric text string e g message scratchpad messages the value may be entered directly within the setpoint value box 8 Click on Save in the system setup dialog box to save the values into the 469 Click Yes to accept any changes Click No and then Restore to ret...

Страница 26: ...elay setpoints files for later download to communicating relays Directly modifying while connected to a communicating relay then saving the setpoints when complete Creating editing setpoints files while connected to a communicating relay then saving the setpoints when complete Setpoints files are organized on the basis of file names assigned by the user A setpoints file contains data pertaining to...

Страница 27: ...tem to obtain settings information from the device 4 After a few seconds of data retrieval the EnerVista 469 Setup software will display the following window requesting the name and destination path of the setpoint file The corresponding file extension will be automatically assigned Press Save to complete the process A new entry will be added to the tree indicating the path and file name 9 4 Addin...

Страница 28: ...ful information in the Description box to facilitate the identification of the device and the purpose of the file 4 To select a file name and path for the new file click the button beside the Enter File Name box 5 Select the file name and path to store the file or select any displayed file name to update an existing file All 469 setpoint files should have the extension 469 for example motor1 469 6...

Страница 29: ...oint file revision is 4 00 change the setpoint file revision to 4 0X as shown below 7 When complete click Convert to convert the setpoint file to the desired revision A dialog box will request confirmation See Loading setpoints from a file on page 26 for instructions on loading this setpoint file into the 469 9 7 Printing setpoints and actual values The EnerVista 469 Setup software allows the user...

Страница 30: ...ill appear Select Actual Values in the upper section and select either Include All Features for a complete list or Include Only Enabled Features for a list of only those features which are currently used in the filtering section and click OK Actual values lists can be printed in the same manner by right clicking on the desired device in the device list and selecting the Print Device Information op...

Страница 31: ...ed file and select the Write Settings to Device item 4 The EnerVista 469 Setup software will generate the following warning message to remind the user to remove the relay from service before attempting to load setpoints into an in service relay 5 Select the target relay from the list of devices shown and click Send If there is an incompatibility an error of the following type will occur 6 If there...

Страница 32: ...file 10 3 Loading new firmware Loading new firmware into the 469 flash memory is accomplished as follows 1 Connect the relay to the local PC and save the setpoints to a file as shown in Downloading and saving setpoints files on page 23 2 Select the Communications Update Firmware menu item 3 The following warning message will appear Select Yes to proceed or No the cancel the process Do not proceed ...

Страница 33: ...as the upgrade status The entire transfer process takes approximately five minutes 9 The EnerVista 469 Setup software will notify the user when the 469 has finished loading the file Carefully read any displayed messages and click OK to return the main screen Note Cycling power to the relay is recommended after a firmware upgrade After successfully updating the 469 firmware the relay will not be in...

Страница 34: ...or existing features are enhanced or modified The EEPROM DATA ERROR message displayed after upgrading downgrading the firmware is a resettable self test message intended to inform users that the Modbus addresses have changed with the upgraded firmware This message does not signal any problems when appearing after firmware upgrades ...

Страница 35: ...tance of a trip A maximum of 128 cycles can be captured and the trigger point can be adjusted to anywhere within the set cycles A maximum of 16 traces can be buffered stored with the buffer cycle trade off The following waveforms can be captured Phase A B and C currents Ia Ib and Ic Differential A B and C currents Idiffa Idiffb and Idiffc Ground currents Ig Phase A N B N and C N voltages Van Vbn a...

Страница 36: ...the event that triggered it make note of the time and date shown in the graph Then find the event that matches the same time and date in the event recorder The event record will provide additional information on the cause and the system conditions at the time of the event Additional information on how to download and save events is shown in Event recorder on page 37 Display graph values at the cor...

Страница 37: ... to store these graph attributes and to close the window 9 The Waveform Capture window will reappear with the selected graph attributes available for use 11 3 Phasors The EnerVista 469 Setup software can be used to view the phasor diagram of three phase currents and voltages The phasors are for phase voltages Va Vb and Vc phase currents Ia Ib and Ic 1 With the EnerVista 469 Setup software running ...

Страница 38: ...Relay was designed to display lagging angles Therefore if a system condition would cause the current to lead the voltage by 45 the 469 relay will display such angle as 315 Lag instead of 45 Lead VOLTAGE VECTORS Assigned to Phasor Set 1 Graph 1 CURRENT VECTORS Assigned to Phasor Set 2 Graph 2 CURRENT LEVEL Displays the value and angle of the current phasor VOLTAGE LEVEL Displays the value and the a...

Страница 39: ... periods ranging from 1 second up to 1 hour The parameters which can be trended by the EnerVista 469 Setup software are Currents Voltages Phase Currents A B and C and Average Phase Current Motor Load Current Unbalance Ground Current Differential Currents A B and C System Frequency Voltages Vab Vbc Vca Van Vbn Vcn Power Power Factor Real kW or hp Reactive kvar and Apparent kVA Power Positive Wattho...

Страница 40: ...nformation captured by trending check the box besides Log Samples to File The following dialog box will appear requesting for file name and path The file is saved as csv comma delimited values file which can be viewed and manipulated with compatible third party software Ensure that the sample rate not less than 5 seconds Otherwise some data may not get written to the file 6 To limit the size of th...

Страница 41: ...urs e g breaker failure A maximum of 256 events can be stored where E256 is the most recent event and E01 is the oldest event E01 is overwritten whenever a new event occurs Refer to the Event Record section in the instruction manual for additional information on the event recorder Use the following procedure to view the event recorder with EnerVista 469 Setup SAVE DATA TO FILE Select to save the i...

Страница 42: ...469 User Map Modbus addresses 0180h to 01F7h Refer to GE Publication GEK 106491 469 Communications Guide for additional information on the User Map 1 Select a connected device in EnerVista 469 Setup EVENT LISTING Lists the last 256 events with the most recent displayed at top of list EVENT SELECTION Select an event row to view event data information which will be displayed in the window to the rig...

Страница 43: ...n window menu bar selecting Actual Values opens a window with tabs each tab containing data in accordance to the following list 1 Motor and System Status Motor status either stopped starting or running It includes values such as motor load thermal capacity used motor speed and instantaneous values of power system quantities The status of digital inputs Last trip information including values such a...

Страница 44: ...arting Current Last Starting Capacity Average Motor Load Learned 4 Maintenance data This is useful statistical information that may be used for preventive maintenance It includes Trip counters General counter such as Number of Motor Starts Number of Emergency Restarts Number of Starter Operations Digital Counter for other purposes not listed above Timers such as Motor Running Hours Time Between St...

Страница 45: ...ues select the desired item from the tree and double click with the left mouse button Each group will be opened on a separate tab The windows can be re arranged to maximize data viewing as shown in the following figure showing actual current voltage and motor status values tiled in the same window FIGURE 18 Actual Values Display ...

Страница 46: ...g to your specific application It is recommended that your local protection engineer determine the setpoints for your motor protective relaying application Refer to figures 1 to 3 for schematic diagrams related to this example Important points to keep in mind before developing settings for any multifunction numerical device like the 469 Motor Management relay Gather system data including but not l...

Страница 47: ... to monitor the status of the starter or breaker It is strongly recommended that the 469 be always programmed to monitor the status of the disconnecting device by means of a dry contact connected to one of the digital inputs of the relay Use an auxiliary contact from the breaker or starter either a normally open contact 52a which is normally in open position when the disconnecting device is open o...

Страница 48: ...ARING 2 36 32 34 35 33 30 31 29 STATOR STATOR STATOR MOTOR BEARING 1 PHASE C 2 PHASE C 1 PHASE B 2 20 24 26 27 25 22 23 21 16 18 19 17 15 14 13 STATOR STATOR STATOR PHASE B 1 PHASE A 2 PHASE A 1 5 9 11 12 10 7 8 6 1 3 4 2 Comp Shld Comp Shld Shld Comp Comp Shld Shld Comp Comp Shld Shld Comp Comp Shld Shld Comp AMBIENT MOTOR GE Multilin ...

Страница 49: ...QUICK REFERENCE GUIDE 469 MOTOR MANAGEMENT RELAY QUICK REFERENCE GUIDE 45 FIGURE 20 Typical Breaker Control Diagram 806551A1 CDR ...

Страница 50: ...MANAGEMENT RELAY QUICK REFERENCE GUIDE SYSTEM DATA QUICK REFERENCE GUIDE FIGURE 21 Typical Relay Control Diagram 0 1 System Data12 2Power System Data System 3Φ 4 wire Frequency 60 Hz Line Voltage 600 V 806555A1 CDR ...

Страница 51: ...QUICK REFERENCE GUIDE SYSTEM DATA 469 MOTOR MANAGEMENT RELAY QUICK REFERENCE GUIDE 47 12 3 Motor Data As per the following motor data sheet information 12 4 Motor Operating Curves As follows ...

Страница 52: ... 6 Stator RTDs 2 per phase 2 Bearing RTDs 1 Ambient RTD The above data will be used to set the output relays to achieve breaker control by setting digital inputs for breaker status remote operations remote status and alarm indication The example assumes that the communications between the station and the Master Control center will be done by the RTU Alarms status indication and breaker commands wi...

Страница 53: ...actor of 1 15 If service factor is unknown we must assume 1 0 Overload Curve The standard overload curve to be just below the cold thermal limit to give maximum process uptime without compromising protection The best fitting curve is curve 7 Short Circuit Trip The short circuit trip should be set above the maximum locked rotor current but below the short circuit current of the fuses The data sheet...

Страница 54: ...tage is lower or for varying loads during acceleration If reduced voltage starting is used according to the acceleration curves a setting of 18 seconds would be appropriate or if across the line starting is used a setting of 13 seconds would be appropriate Enable Start Inhibit This function will limit starts when the motor is already hot The relay learns the amount of thermal capacity used at star...

Страница 55: ...e or use the motor thermal limits curve For this example both are available Using the data sheets the safe stall time H C or Hot Cold Curve Ratio is given as 16 18 0 89 Enable RTD Biasing This will enable the temperature from the Stator RTD sensors to be included in the calculations of Thermal Capacity This model determines the Thermal Capacity Used based on the temperature of the Stator and is se...

Страница 56: ...ntioned should be left at the factory default value 12 10 System Setpoints The S2 setpoints page contains setpoints for entering the characteristics of the equipment on the motor electrical system In our example these characteristics are specified under the Power System Data and Instrument Transformer Data headings in the previous sub section From this information and the resulting calculations pr...

Страница 57: ...ower system NOMINAL SYSTEM FREQUENCY 60 Hz SYSTEM PHASE SEQUENCE ABC The example calls for remote control via serial communications received from the master station through the RTU Motor starting and stopping is possible via any of the three 469 communication ports When a start command is issued the auxiliary relay assigned for starting control is activated for 1 second to complete the close coil ...

Страница 58: ...re defined and when selected they can be set to generate Trip or Alarms as well as to energize auxiliary outputs as needed For breaker position monitoring set the following pre defined Digital Input called Starter Status As per the information provided above a 52b contact will be used and must be connected between terminals D16 to D23 S3 DIGITAL INPUTS ZV STARTER STATUS Z STARTER STATUS SW Starter...

Страница 59: ...80 THERMAL CAPACITY ALARM EVENT Yes captures event in the event report As well select the overload curve for the Thermal model with the following setpoint in the S5 THERMAL MODEL ZV OVERLOAD CURVE SETUP menu STANDARD OVERLOAD CURVE NUMBER 7 12 13 Current Elements Setpoints The S6 Current Elements setpoints page contains setpoints for entering protection element characteristics In our example these...

Страница 60: ...lt setting GROUND FAULT ALARM PICKUP 0 10 x CT default setting INTENTIONAL GF ALARM DELAY 0 ms default setting GROUND FAULT ALARM EVENTS Off default setting GROUND FAULT TRIP Latched the output relay will remind energized until the Reset command executed ASSIGN TRIP RELAYS Trip GROUND FAULT TRIP PICKUP 0 20 x CT INTENTIONAL GF TRIP DELAY 0 ms GROUND FAULT TRIP BACKUP On ASSIGN BACKUP RELAYS Auxili...

Страница 61: ...ful motor start There is not information available to set Starts Hour Time Between Starts or the Restart Block features Therefore the following setpoints must be disabled JOGGING BLOCK Off RESTART BLOCK Off 12 15 RTD Temperature Setpoints The S8 RTD Temperature page contains the setpoints for the twelve 12 field programmable RTDs that are normally used for temperature monitoring The temperature me...

Страница 62: ... voltage starting 80 of nominal voltage running Time Delay 13 0 s Other Considerations The function will be active only if there is voltage in the line feeding the motor to avoid nuisance trips due to the lack of voltage The 469 will consider the bus energized only if the measured voltage is greater than 20 of nominal voltage A trip condition will be initiated only if undervoltage is detected in a...

Страница 63: ... that the 469 Motor Management Relay has not yet been programmed If this warning is ignored protection will be active using factory default setpoints The Relay In Service LED Indicator will be on By now once you have completed all the steps illustrated on this typical example you should be able to set the GE Multilin 469 Motor Management relay for a typical feeder application For further technical...

Страница 64: ...60 469 MOTOR MANAGEMENT RELAY QUICK REFERENCE GUIDE SYSTEM DATA QUICK REFERENCE GUIDE ...

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