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GE Power Management

DGP Digital Generator Protection System

9 COMMUNICATIONS

9.1 INTRODUCTION

Figure 9–1: DGP COMMUNICATIONS WIRING

25 PIN D-TYPE

MALE

CTS

GND

TO RELAY

PL-2

25 PIN D-TYPE

MALE / FEMALE

GND

DTR

PRINTER

A) PRINTER CONNECTIONS

25 PIN D-TYPE

MALE

RTS

CTS

DSR

GND

DCD

DTR

25 PIN D-TYPE

MALE / FEMALE

MODEM

B) REMOTE COMMUNICATIONS VIA MODEM CABLE

TO RELAY

PL-1

RTS

CTS

DSR

GND

DCD

DTR

25 PIN D-TYPE

MALE

RTS

CTS

DCD

DSR

DTR

GND

25 PIN D-TYPE

MALE / FEMALE

C) REMOTE COMMUNICATIONS TO PC DIRECTLY

TO RELAY

PL-1

RTS

CTS

DCD

DSR

DTR

GND

9 PIN D-TYPE

MALE

DSR

DTR

RTS

CTS

DCD

GND

9 PIN D-TYPE

MALE / FEMALE

D) REMOTE COMMUNICATIONS FROM MMI MODULE TO PC

TO RELAY

MMI MODULE

COMM

DSR

DTR

RTS

CTS

DCD

GND

CABLES AVAILABLE AS GE PART NO. 0246A9866. SPECIFY CABLE TYPE AND CONNECTOR GENDER.

Содержание DGP Series

Страница 1: ...er 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 All relays must be powered up at least once...

Страница 2: ......

Страница 3: ...ould 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...

Страница 4: ......

Страница 5: ...13 VOLTAGE TRANSFORMER FUSE FAILURE VTFF 1 10 1 3 14 ACCIDENTAL ENERGIZATION AE 1 11 1 4 OTHER FEATURES 1 4 1 INPUTS 1 17 1 4 2 OUTPUT RELAYS 1 17 1 4 3 START UP SELF TESTS 1 18 1 4 4 RUN TIME SELF T...

Страница 6: ...VOLTAGE RESTRAINT 51V 2 22 2 3 8 STATOR GROUND FAULT 64G 1 2 28 2 3 9 STATOR GROUND FAULT 64G 2 2 28 2 3 10 STATOR GROUND FAULT 27TN 2 28 2 3 11 OVEREXCITATION ALARM VOLTS HERTZ 24A 2 29 2 3 12 OVERE...

Страница 7: ...G THE TEST MODE 4 4 4 4 USING GE LINK 4 4 1 DESCRIPTION 4 5 4 4 2 HARDWARE SETUP 4 5 4 4 3 SOFTWARE SETUP 4 5 a LOAD START GE LINK 4 5 b SET UP A NEW TEST UNIT 4 5 4 4 4 RELAY SETUP 4 6 4 4 5 LOGGING...

Страница 8: ...7 4 7 26 T29 UNDERVOLTAGE 27 4 38 4 7 27 T30 THIRD HARMONIC NEUTRAL UNDERVOLTAGE 27TN 4 38 4 8 END OF ACCEPTANCE TESTING 4 8 1 DESCRIPTION 4 40 5 PERIODIC TESTS 5 1 INTRODUCTION 5 1 1 DESCRIPTION 5 1...

Страница 9: ...S AT STARTUP 6 7 6 4 2 ERROR MESSAGES AT RUNTIME 6 9 7 SPECIFICATIONS 7 1 DGP SPECIFICATIONS 7 1 1 DESCRIPTION 7 1 7 1 2 PROTECTION FUNCTIONS AND SETTING RANGES 7 2 8 INTERFACE 8 1 DISPLAY 8 1 1 DESCR...

Страница 10: ...RS485 COMMUNICATIONS 9 4 9 2 MODBUS COMMUNICATIONS 9 2 1 INTRODUCTION 9 5 9 2 2 DATA FRAME FORMAT DATA RATE 9 5 9 2 3 DATA PACKET FORMAT 9 5 a SLAVE ADDRESS 9 5 b FUNCTION CODE 9 6 c DATA 9 6 d CRC HI...

Страница 11: ...GENERATOR ID REGISTER MAP 9 24 9 5 13 DATE TIME 9 24 9 5 14 MEMORY MAP 9 25 9 6 COIL COMMANDS 9 6 1 DESCRIPTION 9 49 9 7 FACTORY SETTINGS GE FACTORY TESTS ONLY 9 7 1 DESCRIPTION 9 50 10 GE LINK SOFTWA...

Страница 12: ...ES 10 11 10 6 3 FAULT REPORT IDENTIFICATION 10 11 10 6 4 FAULT REPORT 10 11 10 6 5 EVENTS LOG 10 11 10 6 6 OSCILLOGRAPHY DATA 10 12 10 6 7 DGP STATUS 10 12 10 6 8 DGP MODEL 10 12 10 6 9 STATION GENERA...

Страница 13: ...he keypad to change settings and put the relay into test mode can be found in Section 4 3 2 SETTING CHANGES on page 4 3 Complete instructions on how to operate the keypad are found in Section 8 3 KEYP...

Страница 14: ...vision A DGP Revision A Firmware Table 1 2 DGP SELECTION GUIDE FUNCTIONS FEATURES A B C Stator Differential 87G Current Unbalance 46 Loss of Excitation 40 1 40 2 Anti motoring 32 2 1 2 Overcurrent Vol...

Страница 15: ...ond power supply input Refer to instruction book GEK 105552 for additional detail DGP ABA 0005 This model is similar to the standard DGP ABA except for the following major changes Includes the Stator...

Страница 16: ...man machine interface MMI and GE Link software for local and remote communication respectively This instruction book describes all the functions available in the various standard DGP models Refer to t...

Страница 17: ...3 DOR 9 74 NC 74 CR TRIP A TRIP B TRIP C TRIP D BF 10 BF 9 BF 8 BF 7 AF 14 AF 13 AF 12 AF 11 AF 10 AF 6 AF 5 AF 9 AF 8 AF 7 BE 5 BE 6 BF 6 704753A7 CDR BF 14 BF 13 BF 12 BF 11 GENERATOR OFF LINE TURBI...

Страница 18: ...N FUNCTIONS PROTECTION FUNCTION ANSI CODE S Stator Differential 87G Current Unbalance 46 Loss of Excitation 40 Anti Motoring 32 Time Overcurrent with Voltage Restraint 51V Stator Ground 64G1 64G2 27TN...

Страница 19: ...shown in Figure 2 6 TIME CURRENT CHARACTERISTIC OF 46T FUNCTION on page 2 19 A linear reset characteristic is incorporated to approximate the machine cooling following an intermittent current unbalan...

Страница 20: ...46 40 AND 51V on page 1 13 this function is supervised by a fault detector and VTFF The VTFF supervision can be by an internal and or external DI6 VTFF function See Sec tion 2 3 7 OVERCURRENT WITH VO...

Страница 21: ...ar the neutral 1 3 8 GROUND OVERCURRENT 51GN 51GN is an inverse overcurrent function available in some models It can be used to detect stator ground faults in a high or low resistance grounded generat...

Страница 22: ...or islanding of the unit or an unconnected unit can operate at abnormal frequency due to malfunction of speed control Figure 1 6 SIMPLE LOGIC DIAGRAM 81 O AND 81 U on page 1 15 shows the logic diagra...

Страница 23: ...tion This signal is armed by a logic signal derived from positive sequence voltage and GEN OFF LINE input DI1 These two arming sig nals can be configured in AND or OR mode by Setting 2703 AE ARM The 5...

Страница 24: ...rse Pwr No 2 1 AND TL2 32 2 Reverse Pwr No 1 DI2 Turbine Inlet Valve Closed Seq Trip Enabled DI1 SELBKDI1 Gen Off Line AND AND OR TL1 32 1 AE DI1 AND Gen Off line AE ARM AND 50 51V Pickup Flag AND AND...

Страница 25: ...nd TL22 are available in models DGP ACA only Loss of Excitation Zone 1 40 1 VTFF DI6 FD Overcurrent voltage restraint 51V DI3 TL21 1 External Trip 1 DI3 DI4 TL22 1 External Trip 2 DI4 Current Unbalanc...

Страница 26: ...er to DGP nomenclature selection guide for available functions in a specific model Overexcitation Alarm TL6 24A Stator Ground Zone 1 64G1 TL4 AND 24T On Line AND Overexcitation Trip TL7 Time Inst OR D...

Страница 27: ...clature selection guide for available functions in a specific model Under Frequency Set Point 1 81 1U TL8 AND Under Frequency Set Point 3 1 81 3U TL10 AND Under Frequency Set Point 2 81 2U TL9 AND Und...

Страница 28: ...AND External VTFF DI6 OR PU DO OR PU DO ENA DIS VTFF VTFF Alarm Critical Alarm AND OR OR OR Supervise 51V 21 Future FD DD I1 0 1 51V Pickup Flag 40 Pickup Flag 87G Pickup Flag OR 51GN Pickup Flag 21 P...

Страница 29: ...sequence of events capa bility Generator off line DI1 turbine inlet valve close indication DI2 and external VTFF DI6 inputs are used for various relay logic functions A contact input DI5 can also be u...

Страница 30: ...ns hardware software for communication status and to print a diagnostic message The critical alarm relay will be de energized If no failures are detected the DGP completes initialization of its hardwa...

Страница 31: ...for power system frequencies below 30 5 Hz and 79 5 Hz for the frequencies above 79 5 Hz In either case if the AC voltage to the DGP drops below approximately 20 V the sampling frequency is automatic...

Страница 32: ...on information and control system then the DGP receives a time sync pulse via pin 25 of port PL 1 If the DGP is not connected to a G NET host computer then a demodulated IRIG B signal connected to opt...

Страница 33: ...ure capability will store waveform data in their memory each time the system stores a fault report A total of 120 cycles of data can be stored The 120 cycles in memory are divided in one two or three...

Страница 34: ...to the DGP from the front port when the integration system is active If PL 1 is connected to a modem and the front port is connected to a PC using a null modem cable then the first port that becomes a...

Страница 35: ...GE Power Management DGP Digital Generator Protection System 1 23 1 PRODUCT DESCRIPTION 1 5 ELEMENTARY DIAGRAMS 1 1 5 ELEMENTARY DIAGRAMS Figure 1 9 ELEMENTARY DIAGRAM WITH TEST BLOCKS WYE VTs...

Страница 36: ...1 24 DGP Digital Generator Protection System GE Power Management 1 5 ELEMENTARY DIAGRAMS 1 PRODUCT DESCRIPTION 1 Figure 1 10 ELEMENTARY DIAGRAM WITH TEST BLOCKS DELTA VTs...

Страница 37: ...GE Power Management DGP Digital Generator Protection System 1 25 1 PRODUCT DESCRIPTION 1 5 ELEMENTARY DIAGRAMS 1 Figure 1 11 ELEMENTARY DIAGRAM WITHOUT TEST BLOCKS WYE VTs...

Страница 38: ...1 26 DGP Digital Generator Protection System GE Power Management 1 5 ELEMENTARY DIAGRAMS 1 PRODUCT DESCRIPTION 1 Figure 1 12 ELEMENTARY DIAGRAM WITHOUT TEST BLOCKS DELTA VTs...

Страница 39: ...GE Power Management DGP Digital Generator Protection System 1 27 1 PRODUCT DESCRIPTION 1 5 ELEMENTARY DIAGRAMS 1 Figure 1 13 DIGITAL RELAY SYMBOL LEGEND 0286A2925ASH1 DWG 0286A4911 SH9 DWG...

Страница 40: ...1 28 DGP Digital Generator Protection System GE Power Management 1 5 ELEMENTARY DIAGRAMS 1 PRODUCT DESCRIPTION 1...

Страница 41: ...2 1 DGP SYSTEM SETTINGS RATINGS on page 2 3 lists all the settings and the corresponding ranges and units The column labeled DEFAULT indicates the DGP system settings stored in memory when shipped fr...

Страница 42: ...former 200 MVA 18 138 KV X1 10 G I2 8000 5 A 8000 5 A 12000 240V 1 45 Ohm 18900 120 V DGP Protection System VA VB VC IAS IBS ICS INS IAR IBR ICR INR VN 94G 94G1 94G2 94G3 Configurable Outputs To Trip...

Страница 43: ...IRIG B 1 d G NET 2 N A INTRNL 111 NUM FLTS 1 to 3 N A 3 112 d PREFLT 1 to 20 cycles 20 113 d OSC TRIG DI ENA 0 DI DIS 1 N A DI ENA 114 NOM VOLT 100 0 to 225 0 de 100 0 to 140 0 f V 120 0 115 RATEDCUR...

Страница 44: ...702 ALARM 0000 to 1111 N A 0000 703 CENTER 2 50 to 60 00 12 50 to 300 0 11 00 55 00 704 RADIUS 2 50 to 60 00 12 50 to 300 0 8 50 42 50 705 TL13 0 01 to 9 99 sec 0 01 ANTI MOTORING 1 32 1 801 TRIP 0000...

Страница 45: ...203 d TL5 0 1 to 9 9 sec 0 1 OVEREXCITATION ALARM 24A 1301 ALARM 0000 to 1111 N A 0000 1302 PICKUP 1 0 to 1 99 per unit 1 50 1303 TL6 0 to 9 9 sec 1 0 OVEREXCITATION TRIP 24T 1401 TRIP ON line 0000 to...

Страница 46: ...Hz 60 00 1704 TL8 0 1 to 999 9 sec 2 0 UNDERFREQUENCY SETPOINT 2 81 2U 1801 TRIP 0000 to 1111 N A 0000 1802 ALARM 0000 to 1111 N A 0000 1803 SET PNT 40 00 to 65 00 Hz 60 00 1804 TL9 0 05 to 99 99 sec...

Страница 47: ...o 1111 N A 0000 2302 df ALARM 0000 to 1111 N A 0000 2303 df SET PNT 45 00 to 79 99 Hz 60 00 2304 df TL17 0 05 to 99 99 sec 2 00 OVERFREQUENCY SETPOINT 4 81 4O 2401 df TRIP 0000 to 1111 N A 0000 2402 d...

Страница 48: ...10 to 5 00 0 02 to 1 00 A 0 50 0 10 2804 e TIME FAC 0 10 to 99 99 sec 1 00 UNDERVOLTAGE 27 2901 e TRIP 0000 to 1111 N A 0000 2902 e ALARM 0000 to 1111 N A 0000 2903 e PICKUP 40 to 210 d V 100 2903 e P...

Страница 49: ...1 Table 2 1 DGP SYSTEM SETTINGS RATINGS Sheet 7 of 7 SETTING NUMBER MNEMONIC RANGE DEFAULT 5 AMP 1 AMP UNITS 5 AMP 1 AMP c 6HW WR PDWFK WKH V VWHP SKDVH VHTXHQFH 6HWWLQJ LQIRUPV WKH UHOD RI DFWXDO V...

Страница 50: ...our trip contacts described above for the SEL TVM can also be monitored for DC current when a trip sig nal is issued This monitoring is enabled or disabled by setting SEL TCM to 1 or 0 respectively Th...

Страница 51: ...e relay labeled as A B and C must be connected to system phases A B and C for correct operation This setting permits the DGP to properly compute and report the sequence dependent quantities 110 TIMESY...

Страница 52: ...nerator system 115 RATEDCUR RATED CURRENT RATEDCUR can be set from 0 10 to 9 99 A 0 02 to 1 99 A for models with 1 A rating For the sample generator system 116 VT CONN VOLTAGE TRANSFORMER CONNECTION V...

Страница 53: ...umber of user defined trip and alarm strategies 2 3 2 STATOR DIFFERENTIAL 87G Algorithm Function 87G operates when the following inequality is met where Generator return side phase current Generator s...

Страница 54: ...ULATION OF SETTINGS 2 Figure 2 2 87G CHARACTERISTICS K1 1 PICKUP 0 3 A 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 IS Amperes I R DGP 87G IR IS G BUS Amperes TRIP AREA FOR INTERNAL FAULTS...

Страница 55: ...N FUNCTION SETTINGS 2 Figure 2 3 87G CHARACTERISTICS K1 2 PICKUP 0 3 A 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 IS Amperes I R DGP 87G IR IS G BUS Amperes TRIP AREA FOR INTERNAL FAULTS...

Страница 56: ...ULATION OF SETTINGS 2 Figure 2 4 87G CHARACTERISTICS K1 5 PICKUP 0 3 A 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 IS Amperes I R DGP 87G IR IS G BUS Amperes I Gen to bus s Bus to Gen Is T...

Страница 57: ...N FUNCTION SETTINGS 2 Figure 2 5 87G CHARACTERISTICS K1 10 PICKUP 0 3 A DGP 87G IR IS G BUS 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 IS Amperes I R Amperes TRIP AREA FOR INTERNAL FAULTS...

Страница 58: ...IFL Full load current of the machine Setting 115 RATEDCUR 1 Time T is computed only if I2 46T PICKUP 2 Reset time Linear reset 227 seconds maximum Characteristics Figure 2 6 TIME CURRENT CHARACTERIST...

Страница 59: ...em 2 19 2 CALCULATION OF SETTINGS 2 3 PROTECTION FUNCTION SETTINGS 2 Figure 2 6 TIME CURRENT CHARACTERISTIC OF 46T FUNCTION 0 1 1 0 10 0 100 0 1000 0 10000 0 0 01 0 1 1 10 Negative Sequence Current Ra...

Страница 60: ...ng conditions may momentarily enter the 40 2 char acteristic For security of the function under stable swing conditions it is recommended to delay functions 40 1 and 40 2 by a minimum of 0 06 and 0 5...

Страница 61: ...endability when the power is around the REV PWR setting particularly at high power factor If Setting 803 SQ TR EN sequential trip enable is set to YES a value of three seconds or less is suggested for...

Страница 62: ...te 2 phase to phase voltage for Delta connected VTs 1 Time T is computed individually for each phase 2 See the table below for the restraint voltages corresponding to phase currents for different PHAS...

Страница 63: ...erations regard ing the 51V PICKUP setting For the sample generator system set PICKUP 1 75 generator rated load current 1 75 4 25 A 7 5 A secondary Setting 1004 TIME FAC K should be selected to back u...

Страница 64: ...m GE Power Management 2 3 PROTECTION FUNCTION SETTINGS 2 CALCULATION OF SETTINGS 2 Figure 2 8 51V TIME CURRENT CHARACTERISTICS FOR 0 TO 30 RESTRAINT 0 01 0 1 1 10 0 1 1 10 Multiple of Pickup Setting T...

Страница 65: ...r Protection System 2 25 2 CALCULATION OF SETTINGS 2 3 PROTECTION FUNCTION SETTINGS 2 Figure 2 9 51V TIME CURRENT CHARACTERISTICS FOR 50 RESTRAINT 0 01 0 1 1 10 0 1 1 10 Multiple of Pickup Setting Tim...

Страница 66: ...tem GE Power Management 2 3 PROTECTION FUNCTION SETTINGS 2 CALCULATION OF SETTINGS 2 Figure 2 10 51V TIME CURRENT CHARACTERISTICS FOR 75 RESTRAINT 0 01 0 1 1 10 0 1 1 10 Multiple of Pickup Setting Tim...

Страница 67: ...Protection System 2 27 2 CALCULATION OF SETTINGS 2 3 PROTECTION FUNCTION SETTINGS 2 Figure 2 11 51V TIME CURRENT CHARACTERISTICS FOR 100 RESTRAINT 0 01 0 1 1 10 0 1 1 10 Multiple of Pickup Setting Ti...

Страница 68: ...ing 1203 TL5 to provide a short delay for security of the function For the sample generator system set 1203 TL5 0 10 second 2 3 10 STATOR GROUND FAULT 27TN Algorithm 27TN operates when the following c...

Страница 69: ...ARACTERISTICS OF FUNCTION 24T CURVE 1 on page 2 31 T2 Operating time for CURVE 2 see Figure 2 13 TIME CHARACTERISTICS OF FUNCTION 24T CURVE 2 on page 2 32 T3 Operating time for CURVE 3 see Figure 2 14...

Страница 70: ...1 to 1 18 per unit However actual excitation capability curves should be obtained for the generator and the transformer to take full advantage of the inverse characteristic of this function Setting 1...

Страница 71: ...ator Protection System 2 31 2 CALCULATION OF SETTINGS 2 3 PROTECTION FUNCTION SETTINGS 2 Figure 2 12 TIME CHARACTERISTICS OF FUNCTION 24T CURVE 1 0 1 1 10 100 1 1 1 1 2 1 3 Multiple of INV PU Time sec...

Страница 72: ...System GE Power Management 2 3 PROTECTION FUNCTION SETTINGS 2 CALCULATION OF SETTINGS 2 Figure 2 13 TIME CHARACTERISTICS OF FUNCTION 24T CURVE 2 0 1 1 10 100 1 1 1 1 2 1 3 Multiple of INV PU Time sec...

Страница 73: ...ator Protection System 2 33 2 CALCULATION OF SETTINGS 2 3 PROTECTION FUNCTION SETTINGS 2 Figure 2 14 TIME CHARACTERISTICS OF FUNCTION 24T CURVE 3 0 1 1 10 100 1 1 1 1 2 1 3 Multiple of INV PU Time sec...

Страница 74: ...instantaneous overvoltage pickup Setting 1506 INST PU Reset Time Linear reset 1 4 seconds maximum Characteristics Figure 2 15 59 TIME VOLTAGE CHARACTERISTICS shows the CURVE 1 for selected val ues of...

Страница 75: ...ion System 2 35 2 CALCULATION OF SETTINGS 2 3 PROTECTION FUNCTION SETTINGS 2 Figure 2 15 59 TIME VOLTAGE CHARACTERISTICS 0 1 1 10 100 1000 100 110 120 130 140 150 160 170 180 190 200 Percent of Pickup...

Страница 76: ...There are either two or four overfrequency functions included in the DGP depending on the model Each of the functions Settings 2103 2203 2303 2403 SET PNT can be set from 45 00 to 79 99 Hz with a time...

Страница 77: ...external VTFF input DI6 is not used If the external VTFF input is used the VTFF setting will depend on user preference 2 3 19 ACCIDENTAL ENERGIZATION AE Setting 2703 AE ARM can be set to 0 AND or 1 OR...

Страница 78: ...Settings 2801 TRIP and 2802 ALARM to 0000 to disable the function 2 3 21 UNDERVOLTAGE 27 Algorithm where T1 operating time for CURVE 1 Figure 2 17 27 TIME VOLTAGE CHARACTERISTICS on page 2 40 T2 opera...

Страница 79: ...Generator Protection System 2 39 2 CALCULATION OF SETTINGS 2 3 PROTECTION FUNCTION SETTINGS 2 Figure 2 16 51GN TIME CURRENT CHARACTERISTICS 0 1 1 10 1 10 100 Multiple of Pickup Setting Time Factor K 2...

Страница 80: ...Protection System GE Power Management 2 3 PROTECTION FUNCTION SETTINGS 2 CALCULATION OF SETTINGS 2 Figure 2 17 27 TIME VOLTAGE CHARACTERISTICS 0 1 1 10 1 10 100 Percent of Pickup Time seconds Time Fac...

Страница 81: ...Current Transformer Ratio 107 VT RATIO Voltage Transformer Ratio 108 COMMPORT Communications Port 109 PHASE Phase Rotation 110 TIMESYNC Time Synchronizing source 111 NUM FLTS Number of Fault events s...

Страница 82: ...uts 702 ALARM Configure alarm outputs 703 CENTER Center of characteristic Ohms 704 RADIUS Radius of characteristic Ohms 705 TL13 Timer TL13 setting Sec ANTI MOTORING 1 32 1 801 TRIP Configure trip out...

Страница 83: ...V Hz Per Unit 1303 TL6 Timer TL6 setting Sec OVEREXCITATION TRIP 24T 1401 TRIP ON Configure trip outputs on line 1402 TRIP OFF Configure trip outputs off line 1403 ALARM Configure alarm outputs 1404 C...

Страница 84: ...L9 setting Sec UNDERFREQUENCY SETPOINT 3 81 3U 1901 TRIP Configure trip outputs 1902 ALARM Configure alarm outputs 1903 SET PNT Set point Hz 1904 TL10 Timer TL10 setting Sec UNDERFREQUENCY SETPOINT 4...

Страница 85: ...PNT Set point Hz 2404 TL18 Timer TL18 setting Sec DIGITAL INPUT DIG INP 2501 SELBKDI1 Select blocking action by input DI1 2502 DI3 TRIP Configure trip outputs 2503 DI3 ALRM Configure alarm outputs 250...

Страница 86: ...urrent Transformer Ratio 107 VT RATIO Voltage Transformer Ratio 108 COMMPORT Communications Port 109 PHASE Phase Rotation 110 TIMESYNC Time Synchronizing source 111 NUM FLTS Number of Fault events sto...

Страница 87: ...puts 703 CENTER Center of characteristic Ohms 704 RADIUS Radius of characteristic Ohms 705 TL13 Timer TL13 setting Sec ANTI MOTORING 32 1 801 TRIP Configure trip outputs 802 ALARM Configure alarm outp...

Страница 88: ...1407 INST PU Pickup V Hz Instantaneous Per Unit 1408 TL7 Timer TL7 setting Sec 1409 RESET Reset time Sec OVERVOLTAGE 59 1501 TRIP Configure trip outputs 1502 ALARM Configure alarm outputs 1503 PICKUP...

Страница 89: ...Timer TL16 setting Sec DIGITAL INPUT DIG INP 2501 SELBKDI1 Select blocking action by input DI1 2502 DI3 TRIP Configure trip outputs 2503 DI3 ALRM Configure alarm outputs 2504 DI3 TIMR Pickup Delay DI...

Страница 90: ...mps 2804 TIME FAC Time factor sec UNDERVOLTAGE 27 2901 TRIP Configure trip outputs 2902 ALARM Configure alarm outputs 2903 PICKUP Pickup voltage Positive sequence Volts 2904 TIME FAC Time factor sec 2...

Страница 91: ...rrent Transformer Ratio 107 VT RATIO Voltage Transformer Ratio 108 COMMPORT Communications Port 109 PHASE Phase Rotation 110 TIMESYNC Time Synchronizing source 111 NUM FLTS Number of Fault events stor...

Страница 92: ...ng Sec LOSS OF EXCITATION ZONE 2 40 2 701 TRIP Configure trip outputs 702 ALARM Configure alarm outputs 703 CENTER Center of characteristic Ohms 704 RADIUS Radius of characteristic Ohms 705 TL13 Timer...

Страница 93: ...ting Sec OVEREXCITATION ALARM 24A 1301 ALARM Configure alarm outputs 1302 PICKUP Pickup V Hz Per Unit 1303 TL6 Timer TL6 setting Sec OVEREXCITATION TRIP 24T 1401 TRIP ON Configure trip outputs on line...

Страница 94: ...04 TL8 Timer TL8 setting Sec UNDERFREQUENCY SETPOINT 2 81 2U 1801 TRIP Configure trip outputs 1802 ALARM Configure alarm outputs 1803 SET PNT Set point Hz 1804 TL9 Timer TL9 setting Sec UNDERFREQUENCY...

Страница 95: ...s 2402 ALARM Configure alarm outputs 2403 SET PNT Set point Hz 2404 TL18 Timer TL18 setting Sec DIGITAL INPUT DIG INP 2501 SELBKDI1 Select blocking action by input DI1 2502 DI3 TRIP Configure trip out...

Страница 96: ...uts 2903 PICKUP Pickup voltage Positive sequence Volts 2904 TIME FAC Time factor sec 2905 CURVE Curve number 1 Inverse 2 Def Time UNDERVOLTAGE THIRD HARMONIC 27TN 3001 TRIP Configure trip outputs 3002...

Страница 97: ...magnetics module MGM and MMI modules which require two guides above and two beneath 3 1 3 ELECTRICAL CONNECTIONS INTERNAL WIRING As mentioned earlier electrical connections are made to the case throu...

Страница 98: ...UNTING 13 938 354mm ALSO ALLOW ALSO ALLOW 375 9 5mm MINIIMUM TO MINIIMUM TO REMOVE CABLE REMOVE CABLE MINIMUM 3 00 76 0mm PLUG WHEN REQD WHEN REQD TERMINIAL BLOCKS TYPICAL 1 00 26mm 313 7 9mm LATCH 33...

Страница 99: ...igital Signal Processor DSP modules are plug in type for ease of maintenance and trouble shooting DIGITAL INPUT TARGET MODULE DIT LED targets indicate ALL the fuctions that operated during a trip even...

Страница 100: ...emoving and or handling the modules The persons handling the modules must ensure that their body charge has been discharged by touching some surface at ground potential before touching any of the comp...

Страница 101: ...GE Power Management DGP Digital Generator Protection System 3 5 3 HARDWARE DESCRIPTION 3 2 CIRCUIT BOARD MODULES 3 Figure 3 4 DGP MMI MODULE...

Страница 102: ...s should be made to the relay side of the test plug Where it is desired to use available system quantities for testing e g DC control power jump ers may be inserted between the corresponding system si...

Страница 103: ...tion need not be made to those terminals associated with options that will not be used 3 4 5 EXTERNAL CONNECTIONS TEST The DGP system should be disabled to prevent tripping of the of the circuit break...

Страница 104: ...3 8 DGP Digital Generator Protection System GE Power Management 3 4 INSTALLATION 3 HARDWARE DESCRIPTION 3...

Страница 105: ...sk are available on certain models only see the DGP model list in Section 1 1 2 ORDER CODES SELECTION GUIDE on page 1 2 a GENERAL TESTS T1 MMI Status and Display Tests Self tests T2 Digital Output Tes...

Страница 106: ...be used In many cases these devices enable the test circuits to be simplified 4 2 2 DRAWINGS REFERENCES a DRAWINGS Elementary Diagrams in Section 1 5 ELEMENTARY DIAGRAMS on page 1 23 Figure 1 3 SIMPLE...

Страница 107: ...positive phase angle refers to the referenced quantity leading phase A voltage A negative phase angle refers to the refer enced quantity lagging phase A voltage 6 All test voltages are phase to groun...

Страница 108: ...by the green LED on the MMI 2 Press the ACT key Scroll with the arrow key until ACT ENTER PASSWORD is displayed then press the ENT key For DGP units with GE Modem protocol If this is the first time th...

Страница 109: ...WARE SETUP The software setup requires loading the software on to the PC starting the program and configuring the pro gram to match the port settings and baud rate of the system a LOAD START GE LINK 1...

Страница 110: ...fault communications parameters are 4 4 5 LOGGING INTO THE RELAY 1 To log on to the Test unit click on the test unit IED to highlight it Select the Communication Connect Relay menu item and click on C...

Страница 111: ...SETTINGS MENU 2 Additional detail on changing Settings with GE Link is provided in Chapter 10 GE LINK SOFTWARE 3 Once a setting has been modified select the Control Send Settings to Relay menu item 4...

Страница 112: ...esting with GE Link the relay settings should be uploaded from the DGP and printed for reference and veri fication Verify that each DGP setting matches the default setting listed If no printer is avai...

Страница 113: ...nitialization to complete as indicated by the green LED 2 Enter the Setting Level password Press the SET key followed by 103 to change the setting for the trip circuit monitor 3 Set 103 SEL TVM 0000 P...

Страница 114: ...wed by the ENT key If the green LED is on it will change to red If the red LED is on it will change to green The target LEDs will flash on and off four times and then each target LED will be lit indiv...

Страница 115: ...keys to scroll to the desired output such as 94G and press the ENT key After all tests are done you must end this test mode using step 6 Before the contact is allowed to close you will be prompted to...

Страница 116: ...NTINUITY TESTER DIGITAL OUTPUTS SEE TABLE TO LEFT X Y RATED DC POWER SUPPLY 48 125 250 V DC RATED DC VOLTAGE AG2 or TP1 15 AG1 or TP1 1 SURGE CASE GROUND BH14 DIGITAL OUTPUTS X Y 94G BE10 BF10 94G1 BE...

Страница 117: ...2 BG6 BG5 Using the MMI and the INFORMATION VALUES command verify that INLET VLV OPEN 6 Apply DC across DI3 BG4 BG3 Using the MMI and the INFORMATION VALUES command verify that DIG IN 3 CLOSE 7 Remove...

Страница 118: ...ERAL RELAY TESTS 4 ACCEPTANCE TESTS 4 Figure 4 4 DIGITAL INPUT TEST CONNECTIONS UNIT UNDER TEST RATED DC POWER SUPPLY 48 125 250 V DC RATED DC VOLTAGE AG2 or TP1 15 AG1 or TP1 1 SURGE CASE GROUND BH14...

Страница 119: ...ess the INF key Scroll with arrow keys to the INF VALUES heading then press the ENT key The present values are now selected 4 With the arrow keys scroll through the values of IAS ANGLE IAS IBS ANGLE I...

Страница 120: ...CS RATED DC POWER SUPPLY 48 125 250 V DC RATED DC VOLTAGE AG2 or TP1 15 AG1 or TP1 1 INR INS ICR IBR IBS AH7 or TP2 13 AH8 or TP2 14 BH7 or TP1 13 BH8 or TP1 14 AH6 or TP2 12 AH5 or TP2 11 BH6 or TP1...

Страница 121: ...rected to the selected Trip Alarm output contacts 2 In test mode all outputs are directed to the test output contacts DOR12 test pickup DOR13 test trip along with the selected Trip Alarm contacts Test...

Страница 122: ...ay in test mode for the 87G function 87G ON will be displayed on the MMI 4 Set the current of IAR to 5 A 1 A rms and IAS to 5 A 1 A rms in phase The test pickup and test trip con tacts should not oper...

Страница 123: ...ICKUP INR I A B C R AG6 AF6 AH8 or TP2 14 AH7 or TP2 13 X2 X1 SURGE CASE GROUND BH14 CONTINUITY TESTER TEST TRIP AG5 AF5 CONTINUITY TESTER SINGLE PHASE CURRENT SOURCE IR N INS I A B C S BH8 or TP1 14...

Страница 124: ...2 Connect the relay as shown in Figure 4 7 CURRENT UNBALANCE TEST CONNECTIONS 3 Set up relay in test mode for the 46T function 46T ON will be displayed on the MMI 4 Set the current inputs to IAS 2 0 0...

Страница 125: ...HASE 4 WIRE CURRENT SOURCE PHASE SEQUENCE A B C IAS RATED DC POWER SUPPLY 48 125 250 V DC RATED DC VOLTAGE AG2 or TP1 15 AG1 or TP1 1 INS ICS IBS BH8 or TP1 14 BH7 or TP1 13 BH6 or TP1 12 BH5 or TP1 1...

Страница 126: ...ts A C Test pickup and test trip do not operate Tests B D Test pickup operates immediately and test trip operates in 65 to 85 ms 6 Apply DC voltage across DI6 BE2 BE1 Using the MMI and the INFORMATION...

Страница 127: ...1 803 SQ TR EN YES 1 Y 804 REV PWR 1 5 0 3 805 TL1 5 DIG INP 2501 SELBKDI1 NO BLK 0 2 Connect relay as shown in Figure 4 8 STANDARD FUNCTIONAL TEST CONNECTIONS on page 4 26 3 Set up relay in test mod...

Страница 128: ...0 5 Set the current input to IA 0 1 0 02 A rms 180 Phases B and C should have no current 6 Verify that test pickup operates immediately and test trip operates in 1 00 to 1 05 seconds 4 7 9 T12 TIME OV...

Страница 129: ...on page 4 26 3 Set up relay in test mode for the AE function AE ON will be displayed 4 Using a 60 Hz source set the voltage inputs to VA 29 V rms 0 VB 29 V rms 120 VC 29 V rms 240 Set the current inp...

Страница 130: ...250 V DC RATED DC VOLTAGE AG2 or TP1 15 AG1 or TP1 1 INS ICS IBS BH8 or TP1 14 BH7 or TP1 13 BH6 or TP1 12 BH5 or TP1 11 BH4 or TP1 10 BH3 or TP1 9 BH2 or TP1 8 BH1 or TP1 7 SURGE CASE GROUND BH14 IN...

Страница 131: ...4 29 3 Set up relay in test mode for the 64G1 function 64G1 ON will be displayed on the MMI 4 Set all current inputs to 0 Set the voltage inputs according to the table below 5 The following results sh...

Страница 132: ...t the following inputs using 60 Hz for phase A and 180 Hz for phases B and C 5 The following results should be obtained Test A Test pickup and test trip do not operate Test B Test pickup operates imme...

Страница 133: ...4 WIRE VOLTAGE SOURCE PHASE SEQUENCE A B C VA RATED DC POWER SUPPLY 48 125 250 V DC RATED DC VOLTAGE AG2 or TP1 15 AG1 or TP1 1 VN VC VB AH12 or TP2 21 AH11 or TP2 20 AH10 or TP2 19 AH9 or TP2 18 BH12...

Страница 134: ...the voltage inputs according to the table below 5 The following results should be obtained TEST RESULTS Test A Test pickup and test trip do not operate Tests B C and D Test pickup operates immediatel...

Страница 135: ...5 seconds 6 Change the following settings 24T 1406 TIME FAC 1 1408 TL7 9 9 7 Repeat step 4 Verify that for all tests in the above except test trip should now operates in 5 0 to 5 5 sec onds If this te...

Страница 136: ...rrent inputs to 0 A Using a 60 Hz source set the voltage inputs according to the following table 5 The following results should be obtained TEST RESULTS Test A Test pickup and test trip do not operate...

Страница 137: ...p do not operate 6 Change the frequency of the voltage inputs to 59 Hz 7 Verify that test pickup operates immediately and test trip operates in 2 0 to 2 1 seconds 4 7 17 T20 UNDERFREQUENCY UNIT 2 81 2...

Страница 138: ...te 6 Change the frequency of the voltage inputs to 59 Hz 7 Verify that test pickup operates immediately and test trip operates in 2 0 to 2 1 seconds 4 7 19 T22 UNDERFREQUENCY UNIT 4 81 4U Skip this te...

Страница 139: ...not operate 6 Change the frequency of the voltage inputs to 61 Hz 7 Verify test pickup operates immediately and test trip operates in 2 0 to 2 1 seconds 4 7 21 T24 OVERFREQUENCY UNIT 2 81 2O 1 Make t...

Страница 140: ...t operate 6 Change the frequency of the voltage inputs to 61 Hz 7 Verify test pickup operates immediately and test trip operates in 2 0 to 2 1 seconds 4 7 23 T26 OVERFREQUENCY UNIT 4 81 4O Skip this t...

Страница 141: ...pickup and test trip operate in 12 4 to 13 0 seconds 4 7 25 T28 TOC GROUND OVERCURRENT 51GN Skip this test if your DGP model does not include this function This function is not available on DGP AAA m...

Страница 142: ...diately and test trip operates in 1 03 to 1 15 seconds 4 7 27 T30 THIRD HARMONIC NEUTRAL UNDERVOLTAGE 27TN Skip this test if your DGP model does not include this function This function is not availabl...

Страница 143: ...T CURRENT SOURCE VA RATED DC POWER SUPPLY 48 125 250 V DC RATED DC VOLTAGE AG2 or TP1 15 AG1 or TP1 1 INS IAS VN BH8 or TP1 14 BH7 or TP1 13 BH2 or TP1 8 BH1 or TP1 7 AH12 or TP2 21 AH11 or TP2 20 BH1...

Страница 144: ...STING 4 8 1 DESCRIPTION Make sure that the relay is no longer in test mode by selecting END TEST MODE Print out or scroll through all of the settings Compare them with the initial Settings of the rela...

Страница 145: ...assumed that the user is familiar with testing the DGP system If not refer to Chapter 4 ACCEPTANCE TESTS for details 5 1 2 GENERAL TESTS T1 MMI Status and Display Tests Self Tests T2 Digital Output Te...

Страница 146: ...C power and wait for initialization to complete as indicated by the green LED 2 Press the ACT key Then scroll with the arrow keys until the heading ACT MMI TEST is displayed 3 Press the ENT key The di...

Страница 147: ...t DIG OUT TEST Press the ENT key 4 Select the output to test Use the arrow keys to scroll to the desired output such as 94G and press the ENT key Before the contact is allowed to close you will be pro...

Страница 148: ...ng the MMI and the INFORMATION VALUES com mand verify that INLET VLV OPEN 6 Apply DC across digital input DI3 BG4 BG3 Using the MMI and the INFORMATION VALUES com mand verify that DIG IN 3 CLOSE 7 Rem...

Страница 149: ...s the INF key Scroll with arrow keys to the INF VALUES heading then press the ENT key The present values are now selected 5 With the arrow keys scroll through the values of IAS ANGLE IAS IBS ANGLE IBS...

Страница 150: ...ERATOR DIFFERENTIAL TEST CONNECTIONS on page 4 19 4 Set up relay in test mode for the 87G function 87G ON will be displayed on the MMI 5 Set the in phase currents of IAR and IAS to make equation 5 1 t...

Страница 151: ...elay in test mode for the 46T function 46T ON will be displayed on the MMI 5 Set the negative sequence current to PICKUP 0 1 0 02 ______ A rms and apply to the relay The test pickup relay should opera...

Страница 152: ...CTIONS on page 4 26 4 Set up relay in test mode for the 40 1 function 40 1 ON will be displayed on the MMI Using the MMI and the INFORMATION VALUES command verify that EXT VTFF OPEN 5 Using a 60 Hz so...

Страница 153: ...59 AND AE on page 1 12 for details 3 Connect relay as shown in Figure 4 8 STANDARD FUNCTIONAL TEST CONNECTIONS on page 4 26 4 Set up relay in test mode for the 32 1 function 32 1 ON will be displayed...

Страница 154: ...KUP for a time equal to Trip Time the test trip relay will operate 3 Connect relay as shown in Figure 4 8 STANDARD FUNCTIONAL TEST CONNECTIONS on page 4 26 4 Set up relay in test mode for the 51V func...

Страница 155: ...ONE 2 64G2 Skip this test if your model of DGP does not have this function This function is not available on DGP ABA models 1 Record the following Settings 64G2 1203 TL5 Time Delay ______ sec DIG INP...

Страница 156: ...FREQ is Setting 102 If equation 5 9 is sat isfied the test pickup relay will operate If this condition persist for a time equal to TL 6 the test trip relay will operate 3 Connect relay as shown in Fig...

Страница 157: ...time equal to the respective Trip Time the test trip relay will operate 3 Connect relay as shown in Figure 4 8 STANDARD FUNCTIONAL TEST CONNECTIONS on page 4 26 4 Set up relay in test mode for the 24T...

Страница 158: ...ate and the test trip will oper ate after the Trip Time has expired 6 Lower the positive sequence voltage to PICKUP 2 ______ V rms This will prevent the test pickup and the test trip relays from opera...

Страница 159: ...inputs to VA 70 V 0 VB 70 V 120 VC 70 V 240 6 Set the frequency at SET PNT 0 04 ______ This will prevent the test pickup and the test trip from oper ating 7 Change the frequency to SET PNT 0 04 ______...

Страница 160: ...alue of Ground Current is greater than the PICKUP setting the test pickup will operate If the Ground Current is above the PICKUP setting for a time equal to Trip Time the test trip relay will operate...

Страница 161: ...P is Setting 2903 PICKUP If the value of Phase Voltage is lower than PICKUP the test pickup will operate If the Phase Voltage is lower than PICKUP for a time equal to Trip Time the test trip relay wil...

Страница 162: ...T MODE from the test mode menu Print out or scroll through all of the settings Compare them with the initial Settings of the relay and change to initial values If the initial settings were saved to a...

Страница 163: ...air equipment and technical expertise and usually results in longer down times than module replace ment For those who do wish to trouble shoot to the component level drawings can be obtained by reques...

Страница 164: ...indicated by the non critical alarm relay being energized a red LED or by the critical alarm relay being de energized However no MMI display is provided until the INFORMATION STATUS command is used Th...

Страница 165: ...Power Supply Monitor Supply Health contact output SSP Critical if no backup supply Table 6 3 RUN TIME FOREGROUND SELF TESTS COMPONENT METHOD PROCESSOR NATURE A D Controller DMA Interface DAP Critical...

Страница 166: ...ARN xxx codes A list of failure and warning codes is provided but the INFORMATION STATUS command can be used to extract the same data from the MMI display The INFORMATION STATUS command can be used lo...

Страница 167: ...age has changed it is possible that another module requires replacement 6 3 4 SERVICING A NON CRITICAL FAILURE WARN A non critical failure indicates a possible interruption in the relay s protection b...

Страница 168: ...input power The non critical alarm contact N O will be closed if the failure still exists Use the INFORMATION STATUS to determine the cause of the trouble Table 6 4 SYSTEM STATUS ERROR MESSAGES SYSTE...

Страница 169: ...DSP 1 RESPONSE 225 DSP Critical DSP1 VERSION NUM DSP BOARD DSP1 VERSION NUMBER 226 DSP Critical DSP2 PROM DSP BOARD DSP2 PROM 227 DSP Critical DSP2 LOCAL RAM DSP BOARD DSP2 LOCAL RAM 228 DSP Critical...

Страница 170: ...NUM SSP BOARD VERSION NUMBER 553 SSP Critical SSP SET RANGE SSP BOARD SETTING RANGE 556 SSP Noncrit SSP TIMER SSP BOARD TIMER 557 SSP Noncrit SSP CAPRAM SSP BOARD CAPRAM 558 SSP Noncrit SSP CLOCK SSP...

Страница 171: ...DSP 2 RSP DAP BOARD NO DSP 2 RESPONSE 231 DSP Remcrit DSP3 PROM DSP BOARD3 PROM 233 DSP Remcrit DSP3 DSPRAM DSP BOARD3 DSPRAM 234 DAP Remcrit DAP NO DSP 3 RSP DAP BOARD NO DSP 3 RESPONSE 246 DSP Remc...

Страница 172: ...t PS SELFTEST POWER SUPPLY FAILURE SELFTEST 744 PS Remcrit PS 12V BAD POWER SUPPLY FAILURE 12V BAD 745 PS Remcrit PS _12V BAD POWER SUPPLY FAILURE _12V BAD 765 PS Remnoncrit PS1 SELFTEST POWER SUPPLY...

Страница 173: ...DC power supply 19 W with one supply 25 W with two supplies INTERFACE DATA System Interface RS232 port rear panel RS232 port front panel Printer interface serial optional IRIG B demodulated optional T...

Страница 174: ...99 9 sec 0 1 Forward Power Limit Low 0 to 999 W 0 to 200 W 1 Forward Power Limit High 0 to 999 W 0 to 200 W 1 Overexcitation 24 V Hz Pickup Inverse 1 00 to 1 99 per unit 0 01 Time Factor Inverse 0 10...

Страница 175: ...ration If the DGP restarts or is powered down and up the trip indicator is remembered and redisplayed As soon as any key is pressed the Trip message is removed and no longer remembered The Fail messag...

Страница 176: ...RGET LEDs There are 18 LEDs that indicate all of the protection functions that operated during a fault The Target LEDs display the information for the TRIP message that is currently on the display Fig...

Страница 177: ...blank the error mes sage all other keys will be ignored When the error message is blanked the last message will be displayed allowing the user to re enter the correct response Fault data is displayed...

Страница 178: ...From that point on pressing the key will display each subsequent item in the category While the key scrolls in a forward direction through a list of categories or items the key scrolls backward throu...

Страница 179: ...essed or after a 10 second delay In the latter case the display remains blank until another key is pressed 8 3 8 SETTINGS KEY SET The SET key is used to display or change settings See Table 2 1 DGP SY...

Страница 180: ...1V 32 2 32 1 40 2 40 1 40 46T 87G 46A AE VTFF DIG INP 81 1O 81 2O 81 3O 81 4O 81 1U 81 2U 81 3U 81 4U 59 51GN 27TN 27 UNIT ID SYS FREQ SEL TVM PRI SEC CT RATIO VT RATIO COMMPORT PHASE SEQ TIME SYNC NU...

Страница 181: ...our Alarm outputs and the VTFF output After the ENT key is pressed the display prompts with the message DIS OUTPUTS The user presses the 3 N key for NO or 1 Y for YES followed by the ENT key If the us...

Страница 182: ...r 1 to delete SEQUENCE OF EVENTS followed by the ENT key The display then prompts with RST FLT RPT or RST SOE The user presses 3 N for NO or 1 Y for YES followed by the ENT key If the user responds NO...

Страница 183: ...If the red LED is lit it will be extinguished and the green LED lit The target LEDs will flash on off 4 times and then each will be lit individually When the test is over the Target LEDs will be retur...

Страница 184: ...terisk The user then presses the ENT key and is prompted with the message REPEAT The new password must be entered again followed by the ENT key If the two entered passwords are the same then the messa...

Страница 185: ...NABLE Prot Outputs TRIP Manual END TEST MODE 87G 46A T 40 1 2 32 1 2 51V 64G1 2 24A T 59 81 1 2 3 4U 81 1 2 3 4O VTFF AE 51GN 27 27TN END TEST MODE 94G 94G1 94G2 94G3 74A 74B 74C 74D 74CR 74NC 74FF TE...

Страница 186: ...y be a miscellaneous status displayed as STATUS MISC The above order represents the hierarchy in which the overall status is displayed For example if there is a critical alarm and a non critical alarm...

Страница 187: ...If the check passes then the word VIEW is displayed Pressing the key displays the View level password Press ing repeatedly displays the word SETTING then the Setting level password finally the word C...

Страница 188: ...nd vars are either primary or secondary RMS values as selected by the user 2 Voltages are either phase ground or phase phase depending on wye or delta VT connections respectively 3 Phase angles go fro...

Страница 189: ...PROM self test to verify the integrity of the settings area in EEPROM Table 8 1 MMI ERROR MESSAGES ERROR MESSAGE CAUSE OF ERROR VAL OUT OF RANGE Setting value either greater than upper limit or less t...

Страница 190: ...one for Actions and one for Settings access at the keypad These passwords are limited to the numeric digits on the keypad The MMI passwords are different from the communications passwords which are f...

Страница 191: ...ORDS 8 8 5 2 ENCRYPTED PASSWORD CONVERSION TABLE Table 8 2 PASSWORD ENCRYPTION KEY TABLE Displayed Decoded Displayed Decoded Displayed Decoded space P 8 B M 7 T 9 F P space X J Q Q N R U C S Y G T R K...

Страница 192: ...8 18 DGP Digital Generator Protection System GE Power Management 8 5 PASSWORDS 8 INTERFACE 8...

Страница 193: ...m with GE Link The required configuration settings are presented as changes to the factory default configuration settings for a Hayes SmartModem These default settings are Other Hayes compatible modem...

Страница 194: ...ble result code display C1 Causes DCD Data Carrier Detect to track the received carrier signal D3 Causes the modem to reset on the ON to OFF transition of DTR Data Terminal Ready Q0 Asynchronous mode...

Страница 195: ...IONS VIA MODEM CABLE TO RELAY PL 1 2 3 4 5 6 7 8 20 22 TD RD RTS CTS DSR GND DCD DTR RI 25 PIN D TYPE MALE 2 3 4 5 8 6 22 20 7 TD RD RTS CTS DCD DSR RI DTR GND 25 PIN D TYPE MALE FEMALE TO PC C REMOTE...

Страница 196: ...2 must be set for DIRECT the factory default and the Slave switch 2 must be set for MODEM Set switch 1 for DATA CONTROLLED Correct polarity is also essential ALL wires from the Master SCI to the Slav...

Страница 197: ...hronous transmission from the DGP is defaulted to 1 start bit 8 data bits no parity bits and 1 stop bit at 9600 baud The baud rate parity bits and number of stop bits can be changed through the DGP ke...

Страница 198: ...on a cyclic redundancy check method The CRC field checks the contents of the entire message It is applied regardless of any parity check method used for the individual characters of the message The C...

Страница 199: ...each register the first byte contains the higher order byte and the second contains the lower order byte Example of typical response message Field Bytes Example hex SLAVE ADDRESS 1 11 Message for slav...

Страница 200: ...been executed Example of response to function 05H Field Bytes Example hex SLAVE ADDRESS 1 11 Message for slave 17 FUNCTION CODE 1 05 Execute a command Coil address 2 Starting address of the command to...

Страница 201: ...ster have been preset Example of response to function 06H Field Bytes Example hex SLAVE ADDRESS 1 11 Message for slave 17 FUNCTION CODE 1 06 Store a single setpoint Register address 2 Address of the r...

Страница 202: ...sponds with the last message it transmitted to the master Field Bytes Example hex SLAVE ADDRESS 1 11 Message for slave 17 FUNCTION CODE 1 10 Store setpoints Starting Address 2 Starting address of the...

Страница 203: ...nction code will be set to 1 and the following byte is an exception code The Slave response will be The DGP will implement the following exception response codes 01 Illegal function 02 Illegal Data Va...

Страница 204: ...cept without the millisecond field 4 LONG0 Two registers Byte order Byte3 Byte2 Byte1 Byte0 No implied decimal point 5 LONG1 Two registers Byte order Byte3 Byte2 Byte1 Byte0 One implied decimal place...

Страница 205: ...ion Codes03 04 9 5 4 PRESENT VALUE REPORT REGISTER MAP Range 0400 to 0431H This register map specifies the present values report The report is read by the master by using Function Code 03 04 Any attem...

Страница 206: ...TYPE field is a 16 bit binary value representing the function that has tripped due to the fault The bit assignments are as follows Registers 0C08H 0C10H and 0C18H TRIP TYPE bit 0 94G bit 1 94G1 bit 2...

Страница 207: ...ecorded the DGP slave responds with ILLEGAL DATA VALUE exception The number of faults recorded can be obtained by reading the register 1400H Fault Number 1 corresponds to the newest fault and Fault nu...

Страница 208: ...sters 17FFH and 17FEH If these numbers are not valid then the DGP slave responds with an ILLEGAL DATA VALUE exception All these registers are read only registers and are read using Function Codes 03 0...

Страница 209: ...RESPONSE 35 FAIL DSP 3 BOARD VERSION NUMBER 36 FAIL ANI BOARD GROUND REFERENCE 37 FAIL PS1 BOARD LOGIC VOLTAGE FAILED 38 FAIL PS1 BOARD 12 VOLTAGE FAILED 39 FAIL PS1 BOARD 12 VOLTAGE FAILED 40 FAIL P...

Страница 210: ...ON 132 94G TRIP SIGNAL RESET 133 94G1 TRIP SIGNAL RESET 134 94G2 TRIP SIGNAL RESET 135 94G3 TRIP SIGNAL RESET 136 94G TRIP CIRCUIT ENERGIZED 137 94G1 TRIP CIRCUIT ENERGIZED 138 94G2 TRIP CIRCUIT ENERG...

Страница 211: ...LEARED 210 DSP3 BOARD FAILURE CLEARED 211 SSP BOARD FAILURE CLEARED 212 DCI BOARD FAILURE CLEARED 213 ANI BOARD FAILURE CLEARED 214 MGM1 BOARD FAILURE CLEARED 215 MGM2 BOARD FAILURE CLEARED 216 MMI BO...

Страница 212: ...27 51GN 28 27 29 27TN 4002h Trip Voltage Monitor TVM bit 3 94G0 bit 2 94G1 bit 1 94G2 bit 0 94G3 4003h Trip Current Monitor TCM bit 3 94G0 bit 2 94G1 bit 1 94G2 bit 0 94G3 4007h Comport BBPS BB baud...

Страница 213: ...Failure bit 6 9 Spare bit 10 DSP2 Version Number Failure bit 11 14 Spare REGISTER BIT ASSIGNMENT bit 15 DSP2 Processor in Reset 1804h DSP3 STAT bit 0 DSP3 PROM Failure bit 1 DSP3 LOCAL RAM Failure bi...

Страница 214: ...Warning bit 2 POWER SUPPLY 1 Failed bit 3 POWER SUPPLY 1 2 Failed bit 4 15 Spare 180Ch MISCSTAT bit 0 Protection Enabled Flag bit 1 Digital Output Enable Flag bit 2 Case to Ground Shorted bit 3 Spare...

Страница 215: ...larm bit 12 15 not used 160Eh PUFLG0 Protection pickup flags group 0 1 Active state 0 Inactive state bit 00 87G A bit 01 87G B bit 02 87G C bit 03 46A bit 04 46T bit 05 40 1 bit 06 40 2 bit 07 32 1 bi...

Страница 216: ...low byte plus 1 The setting registers can be read by using function codes 03H 04H The setting registers can be preset by using function codes 06H 10H The settings register map contains all settings av...

Страница 217: ...Mag ICS AMP LONG2 2 1039 40F Angle ICS Degree INTO 1 1040 410 Mag IAR AMP INTO 2 1042 412 Angle IAR DEGREE INTO 1 1043 413 Mag IBR AMP LONG2 2 1045 415 Angle IBR DEGREE INTO 1 1046 416 Mag ICR AMP LO...

Страница 218: ...1 Event 7 SOE 8 2105 839 Event 8 SOE 8 2113 841 Event 9 SOE 8 2121 849 Event 10 SOE 8 2129 851 Event 11 SOE 8 2137 859 Event 12 SOE 8 2145 861 Event 13 SOE 8 2153 869 Event 14 SOE 8 2161 871 Event 15...

Страница 219: ...41 SOE 8 2377 949 Event 42 SOE 8 2385 951 Event 43 SOE 8 2393 959 Event 44 SOE 8 2401 961 Event 45 SOE 8 2409 969 Event 46 SOE 8 2417 971 Event 47 SOE 8 2425 979 Event 48 SOE 8 2433 981 Event 49 SOE 8...

Страница 220: ...75 SOE 8 2649 A59 Event 76 SOE 8 2657 A61 Event 77 SOE 8 2665 A69 Event 78 SOE 8 2673 A71 Event 79 SOE 8 2681 A79 Event 80 SOE 8 2689 A81 Event 81 SOE 8 2697 A89 Event 82 SOE 8 2705 A91 Event 83 SOE 8...

Страница 221: ...4106 100A Fault Type F1 SP 1 4107 100B Trip Type F1 SP 1 4108 100C Prefault VA F1 VOLT LONG1 2 4110 100E Prefault VB F1 VOLT LONG1 2 4112 1010 Prefault VC F1 VOLT LONG1 2 4114 1012 Prefault IAS F1 AMP...

Страница 222: ...OE11 F1 SOE 8 4237 108D SOE12 F1 SOE 8 4245 1095 SOE13 F1 SOE 8 4253 109D SOE14 F1 SOE 8 4353 1101 Date Time F2 DT0 7 4360 1108 Op Time F2 msec LONG0 2 4362 110A Fault Type F2 SP 1 4363 110B Trip Type...

Страница 223: ...D SOE4 F2 SOE 8 4437 1155 SOE5 F2 SOE 8 4445 115D SOE6 F2 SOE 8 4453 1165 SOE7 F2 SOE 8 4461 116D SOE8 F2 SOE 8 4469 1175 SOE9 F2 SOE 8 4477 117D SOE10 F2 SOE 8 4485 1185 SOE11 F2 SOE 8 4493 118D SOE1...

Страница 224: ...3 122D Fault IAR AMP LONG2 2 4655 122F Fault IBR AMP LONG2 2 4657 1231 Fault ICR AMP LONG2 2 4659 1233 Fault INR AMP LONG2 2 4661 1235 SOE1 F3 SOE 8 4669 123D SOE2 F3 SOE 8 4677 1245 SOE3 F3 SOE 8 468...

Страница 225: ...1 5138 1412 87G ALARM SP 1 5139 1413 87G K1 INT1 1 5140 1414 87G PICKUP AMP INT2 1 5141 1415 46A ALARM SP 1 5142 1416 46A Pickup AMP INT2 1 5143 1417 46A TL14 SEC INTO 1 5144 1418 46T TRIP SP 1 5145 1...

Страница 226: ...C INT2 1 5172 1434 64G1 TRIP SP 1 5173 1435 64G1 ALARM SP 1 5174 1436 64G1 PICKUP VOLT INT1 1 5175 1437 64G1 TL4 SEC INT1 1 5176 1438 64G2 TRIP SP 1 5177 1439 64G2 ALARM SP 1 5178 143A 64G2 TL5 SEC IN...

Страница 227: ...1454 Not Used 1 5205 1455 Not Used 1 5206 1456 Not Used 1 5207 1457 Not Used 1 5208 1458 Not Used 1 5209 1459 Not Used 1 5210 145A Not Used 1 5211 145B Not Used 1 5212 145C 81 1U TRIP SP 1 5213 145D 8...

Страница 228: ...240 1478 27 TIME FAC SEC INT2 1 5241 1479 27 CURVE INTO 1 5242 147A 51GN TRIP SP 1 5243 147B 51GN ALARM SP 1 5244 147C 51GN PICKUP AMP INT2 1 5245 147D 51GN TIME FAC SEC INT2 1 5246 147E 59 CURVE INTO...

Страница 229: ...P1 SP 1 5653 1615 IAS SAMP2 AMP INT2 1 5654 1616 IBS SAMP2 AMP INT2 1 5655 1617 ICS SAMP2 AMP INT2 1 5656 1618 INS SAMP2 AMP INT2 1 5657 1619 IAR AMP2 AMP INT2 1 5658 161A IBR SAMP2 AMP INT2 1 5659 16...

Страница 230: ...1636 DI SAMP3 SP 1 5687 1637 DO SAMP3 SP 1 5688 1638 PUFLG0 SAMP3 SP 1 5689 1639 PUFLG1 SAMP3 SP 1 5690 163A PUFLG2 SAMP3 SP 1 5691 163B PRFLG0 SAMP3 SP 1 5692 163C PRFLG1 SAMP3 SP 1 5693 163D PRFLG2...

Страница 231: ...AMP INT2 1 5721 1659 IBR SAMP5 AMP INT2 1 5722 165A ICR SAMP5 AMP INT2 1 5723 165B INR SAMP5 AMP INT2 1 5724 165C VA SAMP5 VOLT INT1 1 5725 165D VB SAMP5 VOLT INT1 1 5726 165E VC SAMP5 VOLT INT1 1 572...

Страница 232: ...G0 SAMP6 SP 1 5755 167B PRFLG1 SAMP6 SP 1 5756 167C PRFLG2 SAMP6 SP 1 5757 167D SAMPPD SAMP6 SP 1 5758 167E IAS SAMP7 AMP INT2 1 5759 167F IBS SAMP7 AMP INT2 1 5760 1680 ICS SAMP7 AMP INT2 1 5761 1681...

Страница 233: ...C VB SAMP8 VOLT INT1 1 5789 169D VC SAMP8 VOLT INT1 1 5790 169E VN SAMP8 VOLT INT1 1 5791 169F DI SAMP8 SP 1 5792 16A0 DO SAMP8 SP 1 5793 16A1 PUFLG0 SAMP8 SP 1 5794 16A2 PUFLG1 SAMP8 SP 1 5795 16A3 P...

Страница 234: ...1 5823 16BF ICS SAMP10 AMP INT2 1 5824 16C0 INS SAMP10 AMP INT2 1 5825 16C1 IAR AMP10 AMP INT2 1 5826 16C2 IBR SAMP10 AMP INT2 1 5827 16C3 ICR SAMP10 AMP INT2 1 5828 16C4 INR SAMP10 AMP INT2 1 5829 1...

Страница 235: ...LG0 SAMP11 SP 1 5857 16E1 PUFLG1 SAMP11 SP 1 5858 16E2 PUFLG2 SAMP11 SP 1 5859 16E3 PRFLG0 SAMP11 SP 1 5860 16E4 PRFLG1 SAMP11 SP 1 5861 16E5 PRFLG2 SAMP11 SP 1 5862 16E6 SAMPPD SAMP11 SP 1 5863 16E7...

Страница 236: ...6145 1801 DAP STAT SP 1 6146 1802 DSP1 STAT SP 1 6147 1803 DSP2 STAT SP 1 6148 1804 DSP3 STAT SP 1 6149 1805 ANI STAT SP 1 6150 1806 MMI STAT SP 1 6151 1807 MGM1 STAT SP 1 6152 1808 MGM2 STAT SP 1 61...

Страница 237: ...4103 87G PICKUP AMP INT2 1 16896 4200 46A ALARM SP 1 16897 4201 46A Pickup AMP INT2 1 16898 4202 46A TL14 SEC INTO 1 17152 4300 46T TRIP SP 1 17153 4301 46T ALARM SP 1 17154 4302 46T PICKUP AMP INT2 1...

Страница 238: ...1 18946 4A02 64G1 PICKUP VOLT INT1 1 18947 4A03 64G1 TL4 SEC INT1 1 19200 4B00 64G2 TRIP SP 1 19201 4B01 64G2 ALARM SP 1 19202 4B02 64G2 TL5 SEC INT1 1 19456 4C00 24A ALARM SP 1 19457 4C01 24A PICKUP...

Страница 239: ...ALARM SP 1 20994 5202 81 3U SETPNT HZ INT2 1 20995 5203 81 3U TL10 SEC INT2 1 21248 5300 81 4U TRIP SP 1 21249 5301 81 4U ALARM SP 1 21250 5302 81 4U SETPNT HZ INT2 1 21251 5303 81 4U TL11 SEC INT2 1...

Страница 240: ...1 23042 5A02 AE ARM BOOLEAN 1 23296 5B00 51GN TRIP SP 1 23297 5B01 51GN ALARM SP 1 23298 5B02 51GN PICKUP AMP INT2 1 23299 5B03 51GN TIME FAC SEC INT2 1 23552 5C00 27 TRIP SP 1 23553 5C01 27 ALARM SP...

Страница 241: ...68 RELAY TEST 40 1 105 69 RELAY TEST 40 2 106 6A RELAY TEST 32 1 107 6B RELAY TEST 32 2 108 6C RELAY TEST 51V 109 6D RELAY TEST 64G1 110 6E RELAY TEST 64G2 111 6F RELAY TEST 24A 112 70 RELAY TEST 24T...

Страница 242: ...elay will not respond to a CRC failure if the slave address is 255 When the relay is placed in multi drop configuration it possible to receive a slave ID of 255 due to some communication error Therefo...

Страница 243: ...cations the modem driver must be installed and functional PKZip software for GE Link file extraction 10 1 3 INSTALLATION 1 Insert the GE Power Management Products CD into your local CD ROM drive or po...

Страница 244: ...ERFACE All user actions are classified into these categories Adding Modifying Deleting a Site Location Adding Modifying Deleting an IED Modes of operation Connecting to and disconnecting to an IED Ret...

Страница 245: ...OPERATION 10 10 2 4 DELETING A SITE LOCATION To delete a site 1 Delete all IEDs associated with that site 2 Select the Site and click the Delete button or the Delete menu icon shown in the diagram be...

Страница 246: ...menu icon or select the Communication MakeCall menu item 2 Enter the telephone number in the prompted dialog box and click OK 3 GE Link will try to make the telephone connection with the remote modem...

Страница 247: ...he connection The possible modes are EDIT MODE When the IED is in disconnected mode VIEW MODE When the IED is connected with the access level VIEW SETT MODE When the IED is connected with the access l...

Страница 248: ...initialize the modem The INIT string should be con structed using the modem setting commands 6 Click the Save button to save the IED GE Link will populate the Information Settings and Operations branc...

Страница 249: ...stem 10 7 10 GE LINK SOFTWARE 10 3 IED CONNECTION 10 4 The retrieved data is displayed in the Spread control as shown below To retreive data for a category first select the category from the tree show...

Страница 250: ...If the data value is a check box check or uncheck the box If the data value is an edit box enter the new value within the range specified by the MIN and MAX val ues Data range and validation check wi...

Страница 251: ...utput relays 94G 94G1 94G2 and 94G3 may be operated individually Note that the relays cannot be operated if the appropri ate jumper is installed see Figure 3 3 DGP POWER SUPPLY MODULE on page 3 4 for...

Страница 252: ...OK to accept changes 10 5 8 RELAY TEST This item allows the user to test the relay functions 1 Select the Relay Test Mode item from the Operations branch to view the relay tests 2 Select the desired...

Страница 253: ...type for each fault This information allows the user to determine easily which fault to examine 1 Select the Fault Report Identification item from the Information branch 2 To print the Fault Report I...

Страница 254: ...own the left mouse button and dragging the mouse icon over the data values 4 Select the Edit Copy menu item to copy the selection 5 The copied data can then be pasted to another application 10 6 8 DGP...

Страница 255: ...ES 6 6 TABLE 6 6 ERROR MESSAGES AT STARTUP 6 7 TABLE 6 7 ERROR MESSAGES AT RUNTIME 6 9 TABLE 8 1 MMI ERROR MESSAGES 8 15 TABLE 8 2 PASSWORD ENCRYPTION KEY TABLE 8 17 TABLE 9 1 SCI DIP SWITCH CONFIGURA...

Страница 256: ...NCTION 24T CURVE 3 2 33 FIGURE 2 15 59 TIME VOLTAGE CHARACTERISTICS 2 35 FIGURE 2 16 51GN TIME CURRENT CHARACTERISTICS 2 39 FIGURE 2 17 27 TIME VOLTAGE CHARACTERISTICS 2 40 FIGURE 3 1 DGP OUTLINE DRAW...

Страница 257: ...GUIDE 1 3 Section 1 14 for the DEC 1000 2 11 112 PREFLT PREFAULT CYCLES PREFLT selects the number of pre trigger or pre fault cycles in each oscillography data set It can be set from 1 to 20 Setting 1...

Страница 258: ...00666B PAGE IN GEK 100666A ADDITION to GEK 100666B 1 3 Figure 1 1 TYPICAL WIRING DIAGRAM 1 3 Figure 1 2 SINGLE LINE DIAGRAM 8 2 Figure 8 1 TARGET LEDS 8 2 Figure 8 2 MMI KEYPAD 9 4 Section 9 2 MODBUS...

Страница 259: ...tput of the upper sin gle phase current source IR IS 4 25 Modified 8 Change the voltage of all three phases to 35 V RMS 8 Change the voltage of all three phases to 29 V RMS 4 25 Modified 9 Repeat Step...

Страница 260: ...B 4 DGP Digital Generator Protection System GE Power Management B 1 CHANGE NOTES APPENDIXB B...

Страница 261: ...2AA10 DGP Revision V210 L1200P Title Modified P N GEK 100666A P N GEK 100666B Title Updated GE Power Management address 2 1 Updated DGP System settings and ratings 2 22 Updated Added k 1 curve on 46T...

Страница 262: ...B 6 DGP Digital Generator Protection System GE Power Management B 1 CHANGE NOTES APPENDIXB B...

Страница 263: ...he 27 element operates when the generator is considered on line The DGP recognizes the on line status DI1 Generator Off Line An Auxiliary b contact will allow the DGP to interpret the correct generato...

Страница 264: ...ls XTM28L1 two of these are used for the left side and XTM28R1 two of these are used for the right side 9 Can individual modules be replace while the DGP is energized The relay should be powered down...

Страница 265: ...us communication available for all DGP models Modbus communication is only available for DGPxxxBCA models 25 PIN D TYPE MALE 2 3 4 5 8 6 22 20 7 TD RD RTS CTS DCD DSR RI DTR GND 25 PIN D TYPE MALE FEM...

Страница 266: ...displayed Press the up arrow key once to see the encrypted password for VIEW Press the up arrow key again twice to see the encrypted password for SETTING and twice once more to see the encrypted passw...

Страница 267: ...efective 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...

Страница 268: ...D 2 DGP Digital Generator Protection System GE Power Management D 1 DGP WARRANTY APPENDIXD D...

Страница 269: ...tests 4 37 algorithm 2 38 description 1 9 logic diagram 1 14 periodic tests 5 16 settings 2 38 time current characteristics 2 39 51V acceptance tests 4 24 algorithm 2 22 description 1 8 logic diagram...

Страница 270: ...3 modem connections 9 1 modem settings 9 1 null modem connections 9 2 C 3 parity 2 11 PC modem 9 1 RS485 9 4 settings 2 11 stop bits 2 11 wiring 9 3 CONFIGURATION SETTINGS 2 10 CONSTRUCTION 3 4 CONTA...

Страница 271: ...emory map 9 14 FAULT STATUS memory map 9 14 FIBER OPTIC LINK 1 22 FIRMWARE UPGRADE C 1 C 2 FREQUENCY 1 19 2 10 FREQUENCY SENSITIVITY CHARACTERISTICS 1 20 FREQUENTLY ASKED QUESTIONS C 1 FRONT VIEW 3 3...

Страница 272: ...agrams 1 13 mho characteristics 2 21 periodic tests 5 8 settings 2 20 LOSS OF FIELD PROTECTION acceptance tests 4 22 4 23 LUI see entry for MMI M MAN MACHINE INTERFACE see entry for MMI MANUAL TRIP 10...

Страница 273: ...t 1 1 description 1 22 encryption 8 17 encryption key table 8 17 MMI 9 24 PERIODIC TESTS ending 5 18 general tests 5 1 introduction 5 1 measuring unit tests 5 6 protection function tests 5 1 relay sta...

Страница 274: ...KUP RELAY 1 18 TEST PLUG INSERTION 3 6 TEST PLUG MODEL C 2 TEST TRIP RELAY 1 18 THIRD HARMONIC NEUTRAL UNDERVOLTAGE acceptance tests 4 38 TIME changing 10 10 memory map 9 24 setting 8 8 TIME OVERCURRE...

Страница 275: ...E Power Management DGP Digital Generator Protection System vii INDEX INDEX settings 2 37 W WARN 6 5 WARRANTY D 1 WIRING DIAGRAM 1 5 X XTM TEST PLUGS circuit connection 3 6 description 3 6 insertion 3...

Страница 276: ...viii DGP Digital Generator Protection System GE Power Management INDEX INDEX...

Страница 277: ...GE Power Management DGP Digital Generator Protection System NOTES...

Страница 278: ...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 a...

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