Ge 489 User Manual

REGISTERED489GENERATOR MANAGEMENT RELAY®Instruction Manual489 Firmware Revision: 32I151A8.000489PC Software Revision: 1.5XManual P/N: 1601-0071-EA (GE

1-2 489 Generator Management Relay GE Multilin1.1 OVERVIEW 1 INTRODUCTION1Power metering is a standard feature in the 489. The table below outlines th

4-50 489 Generator Management Relay GE Multilin4.9 S8 RTD TEMPERATURE 4 SETPOINTS44.9.2 RTDS 1 TO 6PATH: SETPOINTS ÖØ S8 RTD TEMPERATURE ÖØ RTD #1(6)R

GE Multilin 489 Generator Management Relay 4-514 SETPOINTS 4.9 S8 RTD TEMPERATURE44.9.3 RTDS 7 TO 10PATH: SETPOINTS ÖØ S8 RTD TEMPERATURE ÖØ RTD #7(10

4-52 489 Generator Management Relay GE Multilin4.9 S8 RTD TEMPERATURE 4 SETPOINTS44.9.4 RTD 11PATH: SETPOINTS ÖØ S8 RTD TEMPERATURE ÖØ RTD #11RTD 11 d

GE Multilin 489 Generator Management Relay 4-534 SETPOINTS 4.9 S8 RTD TEMPERATURE44.9.5 RTD 12PATH: SETPOINTS ÖØ S8 RTD TEMPERATURE ÖØ RTD #12RTDs 12

4-54 489 Generator Management Relay GE Multilin4.9 S8 RTD TEMPERATURE 4 SETPOINTS44.9.6 OPEN RTD SENSORSETPOINTS ÖØ S8 RTD TEMPERATURE ÖØ OPEN RTD SEN

GE Multilin 489 Generator Management Relay 4-554 SETPOINTS 4.10 S9 THERMAL MODEL44.10S9 THERMAL MODEL 4.10.1 489 THERMAL MODELThe thermal model of the

4-56 489 Generator Management Relay GE Multilin4.10 S9 THERMAL MODEL 4 SETPOINTS44.10.2 MODEL SETUPa) DESCRIPTIONPATH: SETPOINTS ÖØ S9 THERMAL MODEL Ö

GE Multilin 489 Generator Management Relay 4-574 SETPOINTS 4.10 S9 THERMAL MODEL4The current measured at the output CTs is used for the thermal model.

4-58 489 Generator Management Relay GE Multilin4.10 S9 THERMAL MODEL 4 SETPOINTS4Figure 4–11: 489 STANDARD OVERLOAD CURVESx1x15100000100001000100101.0

GE Multilin 489 Generator Management Relay 4-594 SETPOINTS 4.10 S9 THERMAL MODEL4Above 8.0 × Pickup, the trip time for 8.0 is used. This prevents the

GE Multilin 489 Generator Management Relay 1-31 INTRODUCTION 1.1 OVERVIEW11.1.2 ORDERINGAll features of the 489 are standard, there are no options. Th

4-60 489 Generator Management Relay GE Multilin4.10 S9 THERMAL MODEL 4 SETPOINTS4b) CUSTOM OVERLOAD CURVEIf the induction generator starting current b

GE Multilin 489 Generator Management Relay 4-614 SETPOINTS 4.10 S9 THERMAL MODEL4c) VOLTAGE DEPENDENT OVERLOAD CURVEIt is possible and acceptable that

4-62 489 Generator Management Relay GE Multilin4.10 S9 THERMAL MODEL 4 SETPOINTS4To illustrate the Voltage Dependent Overload Curve feature, the therm

GE Multilin 489 Generator Management Relay 4-634 SETPOINTS 4.10 S9 THERMAL MODEL4The 489 takes the information provided and create protection curves f

4-64 489 Generator Management Relay GE Multilin4.10 S9 THERMAL MODEL 4 SETPOINTS4The following curves illustrate the resultant overload protection for

GE Multilin 489 Generator Management Relay 4-654 SETPOINTS 4.10 S9 THERMAL MODEL4d) UNBALANCE BIASUnbalanced phase currents will cause additional roto

4-66 489 Generator Management Relay GE Multilin4.10 S9 THERMAL MODEL 4 SETPOINTS4e) MACHINE COOLINGThe 489 thermal capacity used value is reduced expo

GE Multilin 489 Generator Management Relay 4-674 SETPOINTS 4.10 S9 THERMAL MODEL4f) HOT/COLD CURVE RATIOWhen thermal limit information is available fo

4-68 489 Generator Management Relay GE Multilin4.10 S9 THERMAL MODEL 4 SETPOINTS4It should be noted that the RTD bias feature alone cannot create a tr

GE Multilin 489 Generator Management Relay 4-694 SETPOINTS 4.11 S10 MONITORING44.11S10 MONITORING 4.11.1 TRIP COUNTERPATH: SETPOINTS ÖØ S10 MONITORING

1-4 489 Generator Management Relay GE Multilin1.2 SPECIFICATIONS 1 INTRODUCTION11.2SPECIFICATIONS 1.2.1 489 SPECIFICATIONSPOWER SUPPLYOptions: LO / HI

4-70 489 Generator Management Relay GE Multilin4.11 S10 MONITORING 4 SETPOINTS44.11.3 TRIP COIL MONITORPATH: SETPOINTS ÖØ S10 MONITORING ÖØ TRIP COIL

GE Multilin 489 Generator Management Relay 4-714 SETPOINTS 4.11 S10 MONITORING44.11.4 VT FUSE FAILUREPATH: SETPOINTS ÖØ S10 MONITORING ÖØ VT FUSE FAIL

4-72 489 Generator Management Relay GE Multilin4.11 S10 MONITORING 4 SETPOINTS44.11.5 CURRENT, MW, MVAR, AND MVA DEMANDPATH: SETPOINTS ÖØ S10 MONITORI

GE Multilin 489 Generator Management Relay 4-734 SETPOINTS 4.11 S10 MONITORING4The 489 can measure the demand of the generator for several parameters

4-74 489 Generator Management Relay GE Multilin4.11 S10 MONITORING 4 SETPOINTS44.11.6 PULSE OUTPUTPATH: SETPOINTS ÖØ S10 MONITORING ÖØ PULSE OUTPUTThe

GE Multilin 489 Generator Management Relay 4-754 SETPOINTS 4.12 S11 ANALOG I/O44.12S11 ANALOG I/O 4.12.1 ANALOG OUTPUTS 1 TO 4PATH: SETPOINTS ÖØ S11 A

4-76 489 Generator Management Relay GE Multilin4.12 S11 ANALOG I/O 4 SETPOINTS44.12.2 ANALOG INPUTS 1 TO 4PATH: SETPOINTS ÖØ S11 ANALOG I/O ÖØ ANALOG

GE Multilin 489 Generator Management Relay 4-774 SETPOINTS 4.12 S11 ANALOG I/O4There are 4 analog inputs (4 to 20 mA, 0 to 20 mA, or 0 to 1 mA) that m

4-78 489 Generator Management Relay GE Multilin4.13 S12 TESTING 4 SETPOINTS44.13S12 TESTING 4.13.1 SIMULATION MODEPATH: SETPOINTS ÖØ S12 TESTING Ö SIM

GE Multilin 489 Generator Management Relay 4-794 SETPOINTS 4.13 S12 TESTING44.13.2 PRE-FAULT SETUPPATH: SETPOINTS ÖØ S12 TESTING ÖØ PRE-FAULT SETUPThe

GE Multilin 489 Generator Management Relay 1-51 INTRODUCTION 1.2 SPECIFICATIONS1RS485 Baud Rates: 300, 1200, 2400, 4800, 9600, 19200RS232 Baud Rate: 9

4-80 489 Generator Management Relay GE Multilin4.13 S12 TESTING 4 SETPOINTS44.13.3 FAULT SETUPPATH: SETPOINTS ÖØ S12 TESTING ÖØ FAULT SETUPThe values

GE Multilin 489 Generator Management Relay 4-814 SETPOINTS 4.13 S12 TESTING44.13.4 TEST OUTPUT RELAYSPATH: SETPOINTS ÖØ S12 TESTING ÖØ TEST OUTPUT REL

4-82 489 Generator Management Relay GE Multilin4.13 S12 TESTING 4 SETPOINTS44.13.6 COMM PORT MONITORPATH: SETPOINTS ÖØ S12 TESTING ÖØ COMM PORT MONITO

GE Multilin 489 Generator Management Relay 5-15 ACTUAL VALUES 5.1 OVERVIEW55 ACTUAL VALUES 5.1OVERVIEW 5.1.1 ACTUAL VALUES MESSAGESMeasured values, ma

5-2 489 Generator Management Relay GE Multilin5.1 OVERVIEW 5 ACTUAL VALUES5In addition to the actual value messages, there are also diagnostic and fla

GE Multilin 489 Generator Management Relay 5-35 ACTUAL VALUES 5.2 A1 STATUS55.2A1 STATUS 5.2.1 GENERATOR STATUSPATH: ACTUAL VALUES Ö A1 STATUS Ö GENER

5-4 489 Generator Management Relay GE Multilin5.2 A1 STATUS 5 ACTUAL VALUES5Immediately prior to issuing a trip, the 489 takes a snapshot of generator

GE Multilin 489 Generator Management Relay 5-55 ACTUAL VALUES 5.2 A1 STATUS5Input D ALARMSTATUS: ActiveRange: see Input A ALARM STATUSInput E ALARMSTA

5-6 489 Generator Management Relay GE Multilin5.2 A1 STATUS 5 ACTUAL VALUES5Any active or latched alarms may be viewed here.5.2.4 TRIP PICKUPSPATH: AC

GE Multilin 489 Generator Management Relay 5-75 ACTUAL VALUES 5.2 A1 STATUS5Input CPICKUP: Not EnabledRange: see Input A PICKUP aboveInput DPICKUP: No

1-6 489 Generator Management Relay GE Multilin1.2 SPECIFICATIONS 1 INTRODUCTION1Timing Accuracy: ±0.5 s or ±0.5% of total timeElements: Trip and Alarm

5-8 489 Generator Management Relay GE Multilin5.2 A1 STATUS 5 ACTUAL VALUES5NEUTRAL O/V (FUND)PICKUP: Not EnabledRange: Not Enabled, Inactive, Timing

GE Multilin 489 Generator Management Relay 5-95 ACTUAL VALUES 5.2 A1 STATUS5The trip pickup messages may be very useful during testing. They will indi

5-10 489 Generator Management Relay GE Multilin5.2 A1 STATUS 5 ACTUAL VALUES5UNDERVOLTAGEPICKUP: Not EnabledRange: Not Enabled, Inactive, Timing Out,

GE Multilin 489 Generator Management Relay 5-115 ACTUAL VALUES 5.2 A1 STATUS5The alarm pickup messages may be very useful during testing. They will in

5-12 489 Generator Management Relay GE Multilin5.2 A1 STATUS 5 ACTUAL VALUES55.2.6 DIGITAL INPUTSPATH: ACTUAL VALUES ÖØ A1 STATUS ÖØ DIGITAL INPUTSThe

GE Multilin 489 Generator Management Relay 5-135 ACTUAL VALUES 5.3 A2 METERING DATA55.3A2 METERING DATA 5.3.1 CURRENT METERINGPATH: ACTUAL VALUES ÖØ A

5-14 489 Generator Management Relay GE Multilin5.3 A2 METERING DATA 5 ACTUAL VALUES55.3.2 VOLTAGE METERINGPATH: ACTUAL VALUES ÖØ A2 METERING DATA ÖØ V

GE Multilin 489 Generator Management Relay 5-155 ACTUAL VALUES 5.3 A2 METERING DATA55.3.3 POWER METERINGPATH: ACTUAL VALUES ÖØ A2 METERING DATA ÖØ POW

5-16 489 Generator Management Relay GE Multilin5.3 A2 METERING DATA 5 ACTUAL VALUES55.3.4 TEMPERATUREPATH: ACTUAL VALUES ÖØ A2 METERING DATA ÖØ TEMPER

GE Multilin 489 Generator Management Relay 5-175 ACTUAL VALUES 5.3 A2 METERING DATA55.3.5 DEMAND METERINGPATH: ACTUAL VALUES ÖØ A2 METERING DATA ÖØ DE

GE Multilin 489 Generator Management Relay 1-71 INTRODUCTION 1.2 SPECIFICATIONS1Elements: Trip and AlarmOVERFREQUENCYRequired Voltage: 0.50 to 0.99 ×

5-18 489 Generator Management Relay GE Multilin5.4 A3 LEARNED DATA 5 ACTUAL VALUES55.4A3 LEARNED DATA 5.4.1 PARAMETER AVERAGESPATH: ACTUAL VALUES ÖØ A

GE Multilin 489 Generator Management Relay 5-195 ACTUAL VALUES 5.4 A3 LEARNED DATA55.4.3 ANALOG INPUT MINIMUM/MAXIMUMPATH: ACTUAL VALUES ÖØ A3 LEARNED

5-20 489 Generator Management Relay GE Multilin5.5 A4 MAINTENANCE 5 ACTUAL VALUES55.5A4 MAINTENANCE 5.5.1 TRIP COUNTERSPATH: ACTUAL VALUES ÖØ A4 MAINT

GE Multilin 489 Generator Management Relay 5-215 ACTUAL VALUES 5.5 A4 MAINTENANCE5The number of trips by type is displayed here. When the total reache

5-22 489 Generator Management Relay GE Multilin5.5 A4 MAINTENANCE 5 ACTUAL VALUES55.5.2 GENERAL COUNTERSPATH: ACTUAL VALUES ÖØ A4 MAINTENANCE ÖØ GENER

GE Multilin 489 Generator Management Relay 5-235 ACTUAL VALUES 5.6 A5 EVENT RECORDER55.6A5 EVENT RECORDER 5.6.1 EVENT RECORDERPATH: ACTUAL VALUES ÖØ A

5-24 489 Generator Management Relay GE Multilin5.6 A5 EVENT RECORDER 5 ACTUAL VALUES5The 489 Event Recorder stores generator and system information ea

GE Multilin 489 Generator Management Relay 5-255 ACTUAL VALUES 5.7 A6 PRODUCT INFO55.7A6 PRODUCT INFO 5.7.1 489 MODEL INFOPATH: ACTUAL VALUES ÖØ A6 PR

5-26 489 Generator Management Relay GE Multilin5.8 DIAGNOSTICS 5 ACTUAL VALUES55.8DIAGNOSTICS 5.8.1 DIAGNOSTIC MESSAGESIn the event of a trip or alarm

GE Multilin 489 Generator Management Relay 5-275 ACTUAL VALUES 5.8 DIAGNOSTICS55.8.2 FLASH MESSAGESFlash messages are warning, error, or general infor

1-8 489 Generator Management Relay GE Multilin1.2 SPECIFICATIONS 1 INTRODUCTION1At temperatures lower than –20°C, the LCD contrastmay be impaired.LONG

5-28 489 Generator Management Relay GE Multilin5.8 DIAGNOSTICS 5 ACTUAL VALUES5• SETPOINT ACCESS IS NOW RESTRICTED: If the passcode security feature i

GE Multilin 489 Generator Management Relay 5-295 ACTUAL VALUES 5.8 DIAGNOSTICS5• TOP OF LIST: This message will indicate when the top of subgroup has

5-30 489 Generator Management Relay GE Multilin5.8 DIAGNOSTICS 5 ACTUAL VALUES5

GE Multilin 489 Generator Management Relay 6-16 COMMUNICATIONS 6.1 MODBUS PROTOCOL66 COMMUNICATIONS 6.1MODBUS PROTOCOL 6.1.1 ELECTRICAL INTERFACEThe h

6-2 489 Generator Management Relay GE Multilin6.1 MODBUS PROTOCOL 6 COMMUNICATIONS6• DATA BYTES: This is a variable number of bytes depending on the F

GE Multilin 489 Generator Management Relay 6-36 COMMUNICATIONS 6.2 MODBUS FUNCTIONS66.2MODBUS FUNCTIONS 6.2.1 SUPPORTED FUNCTIONSThe following functio

6-4 489 Generator Management Relay GE Multilin6.2 MODBUS FUNCTIONS 6 COMMUNICATIONS66.2.3 FUNCTION CODE 05: EXECUTE OPERATIONModbus Implementation: Fo

GE Multilin 489 Generator Management Relay 6-56 COMMUNICATIONS 6.2 MODBUS FUNCTIONS66.2.5 FUNCTION CODE 07: READ DEVICE STATUSModbus Implementation: R

6-6 489 Generator Management Relay GE Multilin6.2 MODBUS FUNCTIONS 6 COMMUNICATIONS66.2.7 FUNCTION CODE 16: STORE MULTIPLE SETPOINTSModbus Implementat

GE Multilin 489 Generator Management Relay 6-76 COMMUNICATIONS 6.2 MODBUS FUNCTIONS66.2.8 FUNCTION CODE 16: PERFORMING COMMANDSSome PLCs may not suppo

GE Multilin 489 Generator Management Relay 2-12 INSTALLATION 2.1 MECHANICAL22 INSTALLATION 2.1MECHANICAL 2.1.1 DESCRIPTIONThe 489 is packaged in the s

6-8 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS66.3MODBUS MEMORY MAP 6.3.1 MEMORY MAP INFORMATIONThe data stored

GE Multilin 489 Generator Management Relay 6-96 COMMUNICATIONS 6.3 MODBUS MEMORY MAP66.3.4 WAVEFORM CAPTUREThe 489 stores up to 64 cycles of A/D sampl

6-10 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS66.3.7 489 MEMORY MAPTable 6–1: 489 MEMORY MAP (SHEET 1 OF 24)ADD

GE Multilin 489 Generator Management Relay 6-116 COMMUNICATIONS 6.3 MODBUS MEMORY MAP6025C HOTTEST STATOR RTD TEMPERATURE –50 to 250 1 °F F4 0025D HOT

6-12 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS60306 INPUT G PICKUP 0 to 4 1 – F123 00307 TACHOMETER PICKUP 0 to

GE Multilin 489 Generator Management Relay 6-136 COMMUNICATIONS 6.3 MODBUS MEMORY MAP60402 PHASE B OUTPUT CURRENT 0 to 999999 1 Amps F12 00404 PHASE C

6-14 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS604AC RTD #11 TEMPERATURE –52 to 251 1 °C F4 –5204AD RTD #12 TEMP

GE Multilin 489 Generator Management Relay 6-156 COMMUNICATIONS 6.3 MODBUS MEMORY MAP60706 ANALOG INPUT 2 MAXIMUM –50000 to 50000 1 Units F12 00708 AN

6-16 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS6489 SETUP / SERIAL PORTS1010 SLAVE ADDRESS 1 to 254 1 – F1 25410

GE Multilin 489 Generator Management Relay 6-176 COMMUNICATIONS 6.3 MODBUS MEMORY MAP61223 GENERAL INPUT A TRIP DELAY 1 to 50000 1 s F2 50DIGITAL INPU

2-2 489 Generator Management Relay GE Multilin2.1 MECHANICAL 2 INSTALLATION22.1.2 PRODUCT IDENTIFICATIONEach 489 unit and case are equipped with a per

6-18 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS6DIGITAL INPUTS / GENERAL INPUT F12B0 ASSIGN DIGITAL INPUT 0 to 7

GE Multilin 489 Generator Management Relay 6-196 COMMUNICATIONS 6.3 MODBUS MEMORY MAP6DIGITAL INPUTS / WAVEFORM CAPTURE13C0 ASSIGN DIGITAL INPUT 0 to

6-20 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS61624 FLEXCURVE TRIP TIME AT 4.00 × PU 0 to 65535 1 ms F1 6553516

GE Multilin 489 Generator Management Relay 6-216 COMMUNICATIONS 6.3 MODBUS MEMORY MAP6CURRENT ELEMENTS / GROUND O/C1720 GROUND OVERCURRENT ALARM 0 to

6-22 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS61761 FLEXCURVE TRIP TIME AT 8.50 × PU 0 to 65535 1 ms F1 6553517

GE Multilin 489 Generator Management Relay 6-236 COMMUNICATIONS 6.3 MODBUS MEMORY MAP62023 OVERVOLTAGE ALARM DELAY 1 to 1200 1 s F2 302024 OVERVOLTAGE

6-24 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS6VOLTAGE ELEMENTS / NEUTRAL U/V (3rd)20E0 LOW POWER BLOCKING LEVE

GE Multilin 489 Generator Management Relay 6-256 COMMUNICATIONS 6.3 MODBUS MEMORY MAP6POWER ELEMENTS / LOW FORWARD POWER2280 BLOCK LOW FWD POWER FROM

6-26 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS62525 RTD #5 TRIP 0 to 2 1 – F115 02526 RTD #5 TRIP VOTING 1 to 1

GE Multilin 489 Generator Management Relay 6-276 COMMUNICATIONS 6.3 MODBUS MEMORY MAP626A5 RTD #11 TRIP 0 to 2 1 – F115 026A6 RTD #11 TRIP VOTING 1 to

GE Multilin 489 Generator Management Relay 2-32 INSTALLATION 2.1 MECHANICAL22.1.3 INSTALLATIONThe 489 case, alone or adjacent to another SR unit, can

6-28 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS62846 TIME TO TRIP AT 20.0 × FLA 5 to 999999 1 s F10 52848 MINIMU

GE Multilin 489 Generator Management Relay 6-296 COMMUNICATIONS 6.3 MODBUS MEMORY MAP6MONITORING / RUNNING HOUR SETUP2AC0 INITIAL GEN. RUNNING HOUR 0

6-30 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS62B37 VOLTS/HERTZ MAX 0 to 200 1 × Rated F3 1502B38 FREQUENCY MIN

GE Multilin 489 Generator Management Relay 6-316 COMMUNICATIONS 6.3 MODBUS MEMORY MAP62C58 ANALOG INPUT2 TRIP PICKUP 0 to 1 1 – F130 02C59 ANALOG INPU

6-32 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS62D83 FAULT Iphase NEUTRAL 0 to 2000 1 × CT F3 02D84 FAULT CURREN

GE Multilin 489 Generator Management Relay 6-336 COMMUNICATIONS 6.3 MODBUS MEMORY MAP630E2 HOTTEST OTHER RTD TEMPERATURE –50 to 250 1 °F F4 030E3 HOTT

6-34 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS66.3.8 MEMORY MAP DATA FORMATSTable 6–2: DATA FORMATS (SHEET 1 OF

GE Multilin 489 Generator Management Relay 6-356 COMMUNICATIONS 6.3 MODBUS MEMORY MAP6F107 Unsigned16 bit integerNominal frequency selection0 = -----,

6-36 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS6F131 Unsigned16 bit integerInput switch status0 = Closed, 1 = Op

GE Multilin 489 Generator Management Relay 6-376 COMMUNICATIONS 6.3 MODBUS MEMORY MAP6F139 Unsigned16 bit integerForce operation of relaysF140 16 bits

2-4 489 Generator Management Relay GE Multilin2.1 MECHANICAL 2 INSTALLATION23. Grasp the locking handle in the center and pull firmly, rotating the ha

6-38 489 Generator Management Relay GE Multilin6.3 MODBUS MEMORY MAP 6 COMMUNICATIONS6F211 Unsigned16 bit integerVolts/Hertz element type0 = Curve #1,

GE Multilin 489 Generator Management Relay 6-396 COMMUNICATIONS 6.4 DNP PROTOCOL66.4DNP PROTOCOL 6.4.1 DEVICE PROFILE DOCUMENTDNP 3.0DEVICE PROFILE DO

6-40 489 Generator Management Relay GE Multilin6.4 DNP PROTOCOL 6 COMMUNICATIONS6Reports Binary Input Change Events when no specific variations reques

GE Multilin 489 Generator Management Relay 6-416 COMMUNICATIONS 6.4 DNP PROTOCOL66.4.2 IMPLEMENTATION TABLEThe table below gives a list of all objects

6-42 489 Generator Management Relay GE Multilin6.4 DNP PROTOCOL 6 COMMUNICATIONS6IMPLEMENTATION TABLE NOTES:1. For this object, the quantity specified

GE Multilin 489 Generator Management Relay 6-436 COMMUNICATIONS 6.5 DNP POINT LISTS66.5DNP POINT LISTS 6.5.1 BINARY INPUT / BINARY INPUT CHANGE (OBJEC

6-44 489 Generator Management Relay GE Multilin6.5 DNP POINT LISTS 6 COMMUNICATIONS6Any detected change in the state of any point assigned to Class 1

GE Multilin 489 Generator Management Relay 6-456 COMMUNICATIONS 6.5 DNP POINT LISTS66.5.2 BINARY / CONTROL RELAY OUTPUT BLOCK (OBJECTS 10/12)The follo

6-46 489 Generator Management Relay GE Multilin6.5 DNP POINT LISTS 6 COMMUNICATIONS66.5.3 BINARY / FROZEN COUNTER (OBJECTS 20/21)The counters cannot b

GE Multilin 489 Generator Management Relay 6-476 COMMUNICATIONS 6.5 DNP POINT LISTS66.5.4 ANALOG INPUT / INPUT CHANGE (OBJECTS 30/32)In the following

GE Multilin 489 Generator Management Relay 2-52 INSTALLATION 2.1 MECHANICAL22.1.5 TERMINAL LOCATIONSFigure 2–8: TERMINAL LAYOUT

6-48 489 Generator Management Relay GE Multilin6.5 DNP POINT LISTS 6 COMMUNICATIONS638 F12 Pre-Trip Analog Input 2 Class 1 Notes 3,939 F12 Pre-Trip A

GE Multilin 489 Generator Management Relay 6-496 COMMUNICATIONS 6.5 DNP POINT LISTS683 F1 Reactive Power (Mar) Class 2 Note 884 F1 Reactive Power (kva

6-50 489 Generator Management Relay GE Multilin6.5 DNP POINT LISTS 6 COMMUNICATIONS6TABLE NOTES:1. Unless otherwise specified, an event object will be

GE Multilin 489 Generator Management Relay 7-17 TESTING 7.1 TEST SETUP77 TESTING 7.1TEST SETUP 7.1.1 DESCRIPTIONThe purpose of this testing descriptio

7-2 489 Generator Management Relay GE Multilin7.1 TEST SETUP 7 TESTING77.1.2 SECONDARY CURRENT INJECTION TEST SETUPFigure 7–1: SECONDARY CURRENT INJEC

GE Multilin 489 Generator Management Relay 7-37 TESTING 7.2 HARDWARE FUNCTIONAL TESTS77.2HARDWARE FUNCTIONAL TESTS 7.2.1 OUTPUT CURRENT ACCURACYThe sp

7-4 489 Generator Management Relay GE Multilin7.2 HARDWARE FUNCTIONAL TESTS 7 TESTING77.2.3 GROUND (1 A), NEUTRAL, AND DIFFERENTIAL CURRENT ACCURACYTh

GE Multilin 489 Generator Management Relay 7-57 TESTING 7.2 HARDWARE FUNCTIONAL TESTS77.2.5 NEGATIVE SEQUENCE CURRENT ACCURACYThe 489 measures negativ

7-6 489 Generator Management Relay GE Multilin7.2 HARDWARE FUNCTIONAL TESTS 7 TESTING77.2.6 RTD ACCURACYThe specification for RTD input accuracy is ±2

GE Multilin 489 Generator Management Relay 7-77 TESTING 7.2 HARDWARE FUNCTIONAL TESTS77.2.7 DIGITAL INPUTS AND TRIP COIL SUPERVISIONThe digital inputs

2-6 489 Generator Management Relay GE Multilin2.1 MECHANICAL 2 INSTALLATION2Table 2–1: 489 TERMINAL LISTTERMINAL DESCRIPTION TERMINAL DESCRIPTIONA01 R

7-8 489 Generator Management Relay GE Multilin7.2 HARDWARE FUNCTIONAL TESTS 7 TESTING70 to 1 mA ANALOG INPUTS:1. Alter the following setpoints:S11 ANA

GE Multilin 489 Generator Management Relay 7-97 TESTING 7.3 ADDITIONAL FUNCTIONAL TESTS77.3ADDITIONAL FUNCTIONAL TESTS 7.3.1 OVERLOAD CURVE ACCURACYTh

7-10 489 Generator Management Relay GE Multilin7.3 ADDITIONAL FUNCTIONAL TESTS 7 TESTING77.3.2 POWER MEASUREMENT TESTThe specification for reactive an

GE Multilin 489 Generator Management Relay 7-117 TESTING 7.3 ADDITIONAL FUNCTIONAL TESTS77.3.3 REACTIVE POWER ACCURACYThe specification for reactive p

7-12 489 Generator Management Relay GE Multilin7.3 ADDITIONAL FUNCTIONAL TESTS 7 TESTING77.3.4 VOLTAGE PHASE REVERSAL ACCURACYThe can detect voltage p

GE Multilin 489 Generator Management Relay 7-137 TESTING 7.3 ADDITIONAL FUNCTIONAL TESTS77.3.6 GE MULTILIN HGF GROUND ACCURACYThe specification for GE

7-14 489 Generator Management Relay GE Multilin7.3 ADDITIONAL FUNCTIONAL TESTS 7 TESTING77.3.8 PHASE DIFFERENTIAL TRIP ACCURACYThese tests will requir

GE Multilin 489 Generator Management Relay 7-157 TESTING 7.3 ADDITIONAL FUNCTIONAL TESTS7f) TEST RESULTS7.3.9 INJECTION TEST SETUP #3Setup the 489 dev

7-16 489 Generator Management Relay GE Multilin7.3 ADDITIONAL FUNCTIONAL TESTS 7 TESTING77.3.10 VOLTAGE RESTRAINED OVERCURRENT ACCURACYSetup the relay

GE Multilin 489 Generator Management Relay A-1APPENDIX A A.1 STATOR GROUND FAULTAAPPENDIX A Application NotesA.1 Stator Ground Fault A.1.1 DESCRIPTIO

GE Multilin 489 Generator Management Relay 2-72 INSTALLATION 2.2 ELECTRICAL22.2ELECTRICAL 2.2.1 TYPICAL WIRING DIAGRAMFigure 2–9: TYPICAL WIRING DIAGR

A-2 489 Generator Management Relay GE MultilinA.1 STATOR GROUND FAULT APPENDIX A AWhen several small generators are operated in parallel with a single

GE Multilin 489 Generator Management Relay A-3APPENDIX A A.1 STATOR GROUND FAULTAAgain the time delay on this element must be coordinated with protec

A-4 489 Generator Management Relay GE MultilinA.1 STATOR GROUND FAULT APPENDIX A AFigure A–5: GROUND DIRECTIONAL ELEMENT CONCEPTUAL ARRANGEMENTThe ope

GE Multilin 489 Generator Management Relay A-5APPENDIX A A.1 STATOR GROUND FAULTAA.1.5 THIRD HARMONIC VOLTAGE ELEMENTThe conventional neutral overvol

A-6 489 Generator Management Relay GE MultilinA.2 CURRENT TRANSFORMERS APPENDIX A AA.2 Current Transformers A.2.1 GROUND FAULT CTS FOR 50:0.025 A CTCT

GE Multilin 489 Generator Management Relay A-7APPENDIX A A.2 CURRENT TRANSFORMERSAA.2.2 GROUND FAULT CTS FOR 5 A SECONDARY CTFor low resistance or so

A-8 489 Generator Management Relay GE MultilinA.2 CURRENT TRANSFORMERS APPENDIX A AA.2.3 PHASE CTSCurrent transformers in most common ratios from 50:5

GE Multilin 489 Generator Management Relay B-1APPENDIX B B.1 TIME OVERCURRENT CURVESBAPPENDIX B CurvesB.1 Time Overcurrent Curves B.1.1 ANSI CURVESFi

B-2 489 Generator Management Relay GE MultilinB.1 TIME OVERCURRENT CURVES APPENDIX B BFigure B–2: ANSI NORMALLY INVERSE CURVES0.010.111010010000.11101

GE Multilin 489 Generator Management Relay B-3APPENDIX B B.1 TIME OVERCURRENT CURVESBFigure B–3: ANSI VERY INVERSE CURVES0.01808800A4.DWG0.1110100100

2-8 489 Generator Management Relay GE Multilin2.2 ELECTRICAL 2 INSTALLATION22.2.2 GENERAL WIRING CONSIDERATIONSA broad range of applications are avail

B-4 489 Generator Management Relay GE MultilinB.1 TIME OVERCURRENT CURVES APPENDIX B BFigure B–4: ANSI EXTREMELY INVERSE CURVES0.01808799A4.CDR0.11101

GE Multilin 489 Generator Management Relay B-5APPENDIX B B.1 TIME OVERCURRENT CURVESBB.1.2 DEFINITE TIME CURVESFigure B–5: DEFINITE TIME CURVES489DEF

B-6 489 Generator Management Relay GE MultilinB.1 TIME OVERCURRENT CURVES APPENDIX B BB.1.3 IAC CURVESFigure B–6: IAC SHORT INVERSE CURVES0.51.02.03.0

GE Multilin 489 Generator Management Relay B-7APPENDIX B B.1 TIME OVERCURRENT CURVESBFigure B–7: IAC INVERSE CURVES0.51.02.03.04.06.08.010.015.020.03

B-8 489 Generator Management Relay GE MultilinB.1 TIME OVERCURRENT CURVES APPENDIX B BFigure B–8: IAC VERY INVERSE CURVES0.51.02.03.04.06.08.010.015.0

GE Multilin 489 Generator Management Relay B-9APPENDIX B B.1 TIME OVERCURRENT CURVESBFigure B–9: IAC EXTREME INVERSE CURVES0.51.02.03.04.06.08.010.01

B-10 489 Generator Management Relay GE MultilinB.1 TIME OVERCURRENT CURVES APPENDIX B BB.1.4 IEC CURVESFigure B–10: IEC CURVES A (BS142)0.050.100.150.

GE Multilin 489 Generator Management Relay B-11APPENDIX B B.1 TIME OVERCURRENT CURVESBFigure B–11: IEC CURVES B (BS142)0.050.100.150.200.300.400.500.

B-12 489 Generator Management Relay GE MultilinB.1 TIME OVERCURRENT CURVES APPENDIX B BFigure B–12: IEC CURVES C (BS142)0.050.100.150.200.300.400.500.

GE Multilin 489 Generator Management Relay C-1APPENDIX C C.1 REVISION HISTORYCAPPENDIX C MiscellaneousC.1 Revision History C.1.1 CHANGE NOTESC.1.2 CH

GE Multilin 489 Generator Management Relay 2-92 INSTALLATION 2.2 ELECTRICAL22.2.3 CONTROL POWERControl power supplied to the 489 must match the instal

C-2 489 Generator Management Relay GE MultilinC.2 EU DECLARATION OF CONFORMITY APPENDIX C CC.2 EU Declaration of Conformity C.2.1 EU DECLARATION OF C

GE Multilin 489 Generator Management Relay C-3APPENDIX C C.3 WARRANTY INFORMATIONCC.3 Warranty Information C.3.1 GE MULTILIN WARRANTYGE Multilin Rela

C-4 489 Generator Management Relay GE MultilinC.3 WARRANTY INFORMATION APPENDIX C C

GE Multilin 489 Generator Management Relay 1INDEXNumerics0-1mA ANALOG INPUT ... 2-124-20mA ANALOG INP

2 489 Generator Management Relay GE MultilinINDEXEELECTRICAL INTERFACE ...6-1EMERGENCY RESTARTS ...

GE Multilin 489 Generator Management Relay 3INDEXNNEGATIVE SEQUENCE CURRENT ACCURACY TEST ... 7-5NEGATIVE SEQUENCE OVERCURRENT ...

4 489 Generator Management Relay GE MultilinINDEXconfiguration ...3-7installation ..

FIGURE 1–1: SINGLE LINE DIAGRAM ...

FIGURE B–8: IAC VERY INVERSE CURVES ...

TABLE: 1–1 TRIP AND ALARM PROTECTION FEATURES ...

2-10 489 Generator Management Relay GE Multilin2.2 ELECTRICAL 2 INSTALLATION2b) GROUND CURRENTDO NOT INJECT OVER THE RATED CURRENT TO HGF TERMINAL (0.

GE Multilin 489 Generator Management Relay 2-112 INSTALLATION 2.2 ELECTRICAL22.2.5 VOLTAGE INPUTSThe 489 has four voltage transformer inputs, three fo

2-12 489 Generator Management Relay GE Multilin2.2 ELECTRICAL 2 INSTALLATION22.2.8 ANALOG OUTPUTSThe 489 provides four analog output channels, which w

GE Multilin 489 Generator Management Relay 2-132 INSTALLATION 2.2 ELECTRICAL22.2.10 OUTPUT RELAYSThere are six Form C output relays (see the SPECIFICA

GE Multilin 489 Generator Management Relay 1 TABLE OF CONTENTS 1. INTRODUCTION 1.1 OVERVIEW1.1.1 Description ...

2-14 489 Generator Management Relay GE Multilin2.2 ELECTRICAL 2 INSTALLATION22.2.12 RS485 COMMUNICATIONS PORTSTwo independent two-wire RS485 ports are

GE Multilin 489 Generator Management Relay 2-152 INSTALLATION 2.2 ELECTRICAL22.2.13 DIELECTRIC STRENGTHIt may be required to test a complete motor sta

2-16 489 Generator Management Relay GE Multilin2.2 ELECTRICAL 2 INSTALLATION2

GE Multilin 489 Generator Management Relay 3-13 USER INTERFACES 3.1 FACEPLATE INTERFACE33 USER INTERFACES 3.1FACEPLATE INTERFACE 3.1.1 DISPLAYAll mess

3-2 489 Generator Management Relay GE Multilin3.1 FACEPLATE INTERFACE 3 USER INTERFACES3• VT FAILURE: Indicates that the VT fuse failure alarm is pick

GE Multilin 489 Generator Management Relay 3-33 USER INTERFACES 3.1 FACEPLATE INTERFACE32. Press the or key until "G" appears, then pres

3-4 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES33.2SOFTWARE INTERFACE 3.2.1 REQUIREMENTSThe 489PC software is n

GE Multilin 489 Generator Management Relay 3-53 USER INTERFACES 3.2 SOFTWARE INTERFACE33.2.2 INSTALLATION/UPGRADEa) CHECKING IF INSTALLATION/UPGRADE I

3-6 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES3b) INSTALLING/UPGRADING 489PCInstallation/upgrade of the 489PC

GE Multilin 489 Generator Management Relay 3-73 USER INTERFACES 3.2 SOFTWARE INTERFACE33.2.3 CONFIGURATION1. Connect the computer running 489PC to the

2 489 Generator Management Relay GE Multilin TABLE OF CONTENTS 4.2.6 Message Scratchpad ...

3-8 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES33.2.4 USING 489PCa) SAVING SETPOINTS TO A FILESetpoints must be

GE Multilin 489 Generator Management Relay 3-93 USER INTERFACES 3.2 SOFTWARE INTERFACE35. The 489PC software automatically lists all filenames beginni

3-10 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES3d) ENTERING SETPOINTSThe following example illustrates how set

GE Multilin 489 Generator Management Relay 3-113 USER INTERFACES 3.2 SOFTWARE INTERFACE33. Select the File > Open menu item and enter the location

3-12 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES33.2.5 TRENDINGTrending from the 489 can be accomplished via th

GE Multilin 489 Generator Management Relay 3-133 USER INTERFACES 3.2 SOFTWARE INTERFACE35. Select the Sample Rate through the pull-down menu, click th

3-14 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES33.2.6 WAVEFORM CAPTUREThe 489PC software can be used to captur

GE Multilin 489 Generator Management Relay 3-153 USER INTERFACES 3.2 SOFTWARE INTERFACE33.2.7 PHASORSThe 489PC software can be used to view the phasor

3-16 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES33.2.8 EVENT RECORDERThe 489 event recorder can be viewed throu

GE Multilin 489 Generator Management Relay 3-173 USER INTERFACES 3.2 SOFTWARE INTERFACE33.2.9 TROUBLESHOOTINGThis section provides some procedures for

GE Multilin 489 Generator Management Relay 3 TABLE OF CONTENTS 4.11 S10 MONITORING4.11.1 Trip Counter ...

3-18 489 Generator Management Relay GE Multilin3.2 SOFTWARE INTERFACE 3 USER INTERFACES3

GE Multilin 489 Generator Management Relay 4-14 SETPOINTS 4.1 OVERVIEW44 SETPOINTS 4.1OVERVIEW 4.1.1 SETPOINT MESSAGE MAP S1 SETPOINTS 489 SETUP

4-2 489 Generator Management Relay GE Multilin4.1 OVERVIEW 4 SETPOINTS4 FIELD-BKR DISCREP. [ENTER] for moreSee page 4–18. TACHOMETER [ENTER] for m

GE Multilin 489 Generator Management Relay 4-34 SETPOINTS 4.1 OVERVIEW4 OVERFREQUENCY [ENTER] for moreSee page 4–38. NEUTRAL OV (Fund) [ENTER] for

4-4 489 Generator Management Relay GE Multilin4.1 OVERVIEW 4 SETPOINTS4 VT FUSE FAILURE [ENTER] for moreSee page 4–71. CURRENT DEMAND [ENTER] for

GE Multilin 489 Generator Management Relay 4-54 SETPOINTS 4.1 OVERVIEW44.1.2 TRIPS / ALARMS/ CONTROL FEATURESThe 489 Generator Management Relay has th

4-6 489 Generator Management Relay GE Multilin4.1 OVERVIEW 4 SETPOINTS44.1.4 DUAL SETPOINTSThe 489 has dual settings for the current, voltage, power,

GE Multilin 489 Generator Management Relay 4-74 SETPOINTS 4.2 S1 489 SETUP44.2S1 489 SETUP 4.2.1 PASSCODEPATH: SETPOINTS Ö S1 489 SETUP Ö PASSCODEA pa

4-8 489 Generator Management Relay GE Multilin4.2 S1 489 SETUP 4 SETPOINTS4Some of the 489 characteristics can be modified to suit different situation

GE Multilin 489 Generator Management Relay 4-94 SETPOINTS 4.2 S1 489 SETUP44.2.4 REAL TIME CLOCKPATH: SETPOINTS Ö S1 489 SETUP ÖØ REAL TIME CLOCKFor e

4 489 Generator Management Relay GE Multilin TABLE OF CONTENTS 6.1.2 Modbus RTU Description...

4-10 489 Generator Management Relay GE Multilin4.2 S1 489 SETUP 4 SETPOINTS4The 489 displays default messages after a period of keypad inactivity. Up

GE Multilin 489 Generator Management Relay 4-114 SETPOINTS 4.2 S1 489 SETUP44.2.7 CLEAR DATAPATH: SETPOINTS Ö S1 489 SETUP ÖØ CLEAR DATAThese commands

4-12 489 Generator Management Relay GE Multilin4.3 S2 SYSTEM SETUP 4 SETPOINTS44.3S2 SYSTEM SETUP 4.3.1 CURRENT SENSINGPATH: SETPOINTS ÖØ S2 SYSTEM SE

GE Multilin 489 Generator Management Relay 4-134 SETPOINTS 4.3 S2 SYSTEM SETUP44.3.3 GENERATOR PARAMETERSPATH: SETPOINTS ÖØ S2 SYSTEM SETUP ÖØ GENERAT

4-14 489 Generator Management Relay GE Multilin4.4 S3 DIGITAL INPUTS 4 SETPOINTS44.4S3 DIGITAL INPUTS 4.4.1 DESCRIPTIONThe 489 has nine (9) digital in

GE Multilin 489 Generator Management Relay 4-154 SETPOINTS 4.4 S3 DIGITAL INPUTS44.4.3 GENERAL INPUT A TO GPATH: SETPOINTS ÖØ S3 DIGITAL INPUTS ÖØ GEN

4-16 489 Generator Management Relay GE Multilin4.4 S3 DIGITAL INPUTS 4 SETPOINTS44.4.4 REMOTE RESETPATH: SETPOINTS ÖØ S3 DIGITAL INPUTS ÖØ REMOTE RESE

GE Multilin 489 Generator Management Relay 4-174 SETPOINTS 4.4 S3 DIGITAL INPUTS4The following chart illustrates the Group 2 (alternate group) setpoin

4-18 489 Generator Management Relay GE Multilin4.4 S3 DIGITAL INPUTS 4 SETPOINTS44.4.9 FIELD-BREAKER DISCREPANCYPATH: SETPOINTS ÖØ S3 DIGITAL INPUTS Ö

GE Multilin 489 Generator Management Relay 4-194 SETPOINTS 4.4 S3 DIGITAL INPUTS4One of assignable digital inputs 4 to 7 may be assigned to the tachom

GE Multilin 489 Generator Management Relay 5 TABLE OF CONTENTS A. APPLICATION NOTES A.1 STATOR GROUND FAULTA.1.1 Description ...

4-20 489 Generator Management Relay GE Multilin4.5 S4 OUTPUT RELAYS 4 SETPOINTS44.5S4 OUTPUT RELAYS 4.5.1 DESCRIPTIONFive of the six output relays are

GE Multilin 489 Generator Management Relay 4-214 SETPOINTS 4.6 S5 CURRENT ELEMENTS44.6S5 CURRENT ELEMENTS 4.6.1 INVERSE TIME OVERCURRENT CURVE CHARACT

4-22 489 Generator Management Relay GE Multilin4.6 S5 CURRENT ELEMENTS 4 SETPOINTS4c) IEC CURVESFor European applications, the relay offers the four s

GE Multilin 489 Generator Management Relay 4-234 SETPOINTS 4.6 S5 CURRENT ELEMENTS4e) FLEXCURVE™The custom FlexCurve™ has setpoints for entering times

4-24 489 Generator Management Relay GE Multilin4.6 S5 CURRENT ELEMENTS 4 SETPOINTS44.6.2 OVERCURRENT ALARMPATH: SETPOINTS ÖØ S5 CURRENT ELEMENTS Ö OVE

GE Multilin 489 Generator Management Relay 4-254 SETPOINTS 4.6 S5 CURRENT ELEMENTS44.6.4 INADVERTENT ENERGIZATIONPATH: SETPOINTS ÖØ S5 CURRENT ELEMENT

4-26 489 Generator Management Relay GE Multilin4.6 S5 CURRENT ELEMENTS 4 SETPOINTS44.6.5 VOLTAGE RESTRAINED PHASE OVERCURRENTPATH: SETPOINTS ÖØ S5 CUR

GE Multilin 489 Generator Management Relay 4-274 SETPOINTS 4.6 S5 CURRENT ELEMENTS4The 489 phase overcurrent restraint voltages and restraint characte

4-28 489 Generator Management Relay GE Multilin4.6 S5 CURRENT ELEMENTS 4 SETPOINTS4 defines the short time negative sequence capability of the generat

GE Multilin 489 Generator Management Relay 4-294 SETPOINTS 4.6 S5 CURRENT ELEMENTS44.6.7 GROUND OVERCURRENTPATH: SETPOINTS ÖØ S5 CURRENT ELEMENTS ÖØ G

6 489 Generator Management Relay GE Multilin TABLE OF CONTENTS

4-30 489 Generator Management Relay GE Multilin4.6 S5 CURRENT ELEMENTS 4 SETPOINTS44.6.8 PHASE DIFFERENTIALPATH: SETPOINTS ÖØ S5 CURRENT ELEMENTS ÖØ P

GE Multilin 489 Generator Management Relay 4-314 SETPOINTS 4.6 S5 CURRENT ELEMENTS4Figure 4–4: DIFFERENTIAL ELEMENTS4.6.9 GROUND DIRECTIONALPATH: SETP

4-32 489 Generator Management Relay GE Multilin4.6 S5 CURRENT ELEMENTS 4 SETPOINTS4The 489 detects ground directional by using two measurement quantit

GE Multilin 489 Generator Management Relay 4-334 SETPOINTS 4.7 S6 VOLTAGE ELEMENTS44.7S6 VOLTAGE ELEMENTS 4.7.1 UNDERVOLTAGEPATH: SETPOINTS ÖØ S6 VOLT

4-34 489 Generator Management Relay GE Multilin4.7 S6 VOLTAGE ELEMENTS 4 SETPOINTS44.7.2 OVERVOLTAGEPATH: SETPOINTS ÖØ S6 VOLTAGE ELEMENTS ÖØ OVERVOLT

GE Multilin 489 Generator Management Relay 4-354 SETPOINTS 4.7 S6 VOLTAGE ELEMENTS44.7.3 VOLTS/HERTZPATH: SETPOINTS ÖØ S6 VOLTAGE ELEMENTS ÖØ VOLTS/HE

4-36 489 Generator Management Relay GE Multilin4.7 S6 VOLTAGE ELEMENTS 4 SETPOINTS4Volts/Hertz is calculated per unit as follows: 4.7.4 PHASE REVERSAL

GE Multilin 489 Generator Management Relay 4-374 SETPOINTS 4.7 S6 VOLTAGE ELEMENTS44.7.5 UNDERFREQUENCYPATH: SETPOINTS ÖØ S6 VOLTAGE ELEMENTS ÖØ UNDER

4-38 489 Generator Management Relay GE Multilin4.7 S6 VOLTAGE ELEMENTS 4 SETPOINTS44.7.6 OVERFREQUENCYPATH: SETPOINTS ÖØ S6 VOLTAGE ELEMENTS ÖØ OVERFR

GE Multilin 489 Generator Management Relay 4-394 SETPOINTS 4.7 S6 VOLTAGE ELEMENTS44.7.7 NEUTRAL OVERVOLTAGE (FUNDAMENTAL)PATH: SETPOINTS ÖØ S6 VOLTAG

GE Multilin 489 Generator Management Relay 1-11 INTRODUCTION 1.1 OVERVIEW11 INTRODUCTION 1.1OVERVIEW 1.1.1 DESCRIPTIONThe 489 Generator Management Rel

4-40 489 Generator Management Relay GE Multilin4.7 S6 VOLTAGE ELEMENTS 4 SETPOINTS4Figure 4–6: NEUTRAL OVERVOLTAGE DETECTIONIf the ground directional

GE Multilin 489 Generator Management Relay 4-414 SETPOINTS 4.7 S6 VOLTAGE ELEMENTS4The neutral undervoltage function responds to 3rd harmonic voltage

4-42 489 Generator Management Relay GE Multilin4.7 S6 VOLTAGE ELEMENTS 4 SETPOINTS44.7.9 LOSS OF EXCITATIONPATH: SETPOINTS ÖØ S6 VOLTAGE ELEMENTS ÖØ L

GE Multilin 489 Generator Management Relay 4-434 SETPOINTS 4.7 S6 VOLTAGE ELEMENTS4where: Zprimary= primary ohms impedanceCT Ratio = programmed CT rat

4-44 489 Generator Management Relay GE Multilin4.7 S6 VOLTAGE ELEMENTS 4 SETPOINTS4The distance protection function (ANSI device 21) implements two zo

GE Multilin 489 Generator Management Relay 4-454 SETPOINTS 4.8 S7 POWER ELEMENTS44.8S7 POWER ELEMENTS 4.8.1 POWER MEASUREMENT CONVENTIONSGeneration of

4-46 489 Generator Management Relay GE Multilin4.8 S7 POWER ELEMENTS 4 SETPOINTS44.8.2 REACTIVE POWERPATH: SETPOINTS ÖØ S7 POWER ELEMENTS Ö REACTIVE P

GE Multilin 489 Generator Management Relay 4-474 SETPOINTS 4.8 S7 POWER ELEMENTS44.8.3 REVERSE POWERPATH: SETPOINTS ÖØ S7 POWER ELEMENTS ÖØ REVERSE PO

4-48 489 Generator Management Relay GE Multilin4.8 S7 POWER ELEMENTS 4 SETPOINTS44.8.4 LOW FORWARD POWERPATH: SETPOINTS ÖØ S7 POWER ELEMENTS ÖØ LOW FO

GE Multilin 489 Generator Management Relay 4-494 SETPOINTS 4.9 S8 RTD TEMPERATURE44.9S8 RTD TEMPERATURE 4.9.1 RTD TYPESPATH: SETPOINTS ÖØ S8 RTD TEMPE