GE DGP Series Instruction Manual Download Page 234

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DGP Digital Generator Protection System

GE Power Management

9.5 MODBUS MEMORY MAPPING

9 COMMUNICATIONS

5809

16B1

VB SAMP9

VOLT

INT1

5810

16B2

VC SAMP9

VOLT

INT1

5811

16B3

VN SAMP9

VOLT

INTO

5812

16B4

DI SAMP9

5813

16B5

DO SAMP9

5814

16B6

PUFLG0 SAMP9

5815

16B7

PUFLG1 SAMP9

5816

16B8

PUFLG2 SAMP9

5817

16B9

PRFLG0 SAMP9

5818

16BA

PRFLG1 SAMP9

5819

16BB

PRFLG2 SAMP9

5820

16BC

SAMPPD SAMP9

5821

16BD

IAS SAMP10

AMP

INT2

5822

16BE

IBS SAMP10

AMP

INT2

5823

16BF

ICS SAMP10

AMP

INT2

5824

16C0

INS SAMP10

AMP

INT2

5825

16C1

IAR AMP10

AMP

INT2

5826

16C2

IBR SAMP10

AMP

INT2

5827

16C3

ICR SAMP10

AMP

INT2

5828

16C4

INR SAMP10

AMP

INT2

5829

16C5

VA SAMP10

VOLT

INT1

5830

16C6

VB SAMP10

VOLT

INT1

5831

16C7

VC SAMP10

VOLT

INT1

5832

16C8

VN SAMP10

VOLT

INT1

5833

16C9

DI SAMP10

5834

16CA

DO SAMP10

5835

16CB

PUFLG0 SAMP10

5836

16CC

PUFLG1 SAMP11

5837

16CD

PUFLG2 SAMP10

5838

16CE

PRFLG0 SAMP10

5839

16CF

PRFLG1 SAMP10

5840

16D0

PRFLG2 SAMP10

5841

16D1

SAMPPD SAMP10

5842

16D2

IAS SAMP11

AMP

INT2

Table 9–3: DGP MODBUS MEMORY MAP (Sheet 18 of 24)

ADDRESS

ITEM NAME

UNITS

FORMAT

NO. OF

REGISTERS

DEC

HEX

Summary of Contents for DGP Series

Page 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...

Page 2: ......

Page 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...

Page 4: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ______...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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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