Benutzeranleitung / Produktwartung K 106168E des Produzenten GE
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ÿ GE Power Management DBF Instructions Instructions Instructions Instructions GEK 106168E GEK 106168E GEK 106168E GEK 106168E Digital Breaker Failure Protection Digital Breaker Failure Protection Dig.
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TA BL E OF CONTE NTS GEK-106168E DBF Breaker Failure Protection i TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS 1. GENERA L DESCRIPT ION A ND APPLICA TIO N .....................................................................
TA BL E OF CONTE NTS ii DBF Breaker Failure Protection GEK-106168E 6.9.5 Neutral Overc urrent Unit Test ..................................................................................................................... 35 6.10. R ELAY M EASURE MENT T ESTS .
LIST OF FIGURES GEK-106168E DBF Breaker Failure Protection iii LIST OF FIGURES Figure 1. Break er Failure Logic (189C4114 Sheet 2) Figure 2. External Connections (189C4114 Sheet 1) Figure 3. Front View (226B7412 Sheet 9) Figure 4. Rear View (226B7412 Sheet 10) Figure 5.
LIST OF FIGURES iv DBF Breaker Failure Protection GEK-106168E.
1. GENERA L DESCRIPT ION A ND APPLICA TION GEK-106168E DBF Breaker Failure Protection 1 1. 1. 1. 1. GENERAL DESCRIPTION AND APPLICA TION GENERAL DESCRIPTION AND APPLICA TION GENERAL DESCRIPTION AND APPLICA TION GENERAL DESCRIPTION AND APPLICA TION 1.1.
1. GENERA L DESCRIPT ION A ND APPLICA TION 2 DBF Breaker Failure Protection GEK-106168E e) Communication Interfaces • Remote com m unications through three comm unication ports, one on the front of the r elay and two located on the rear.
2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 3 2. 2. 2. 2. OPERA TION OPERA TION OPERA TION OPERA TION LOGIC LOGIC LOGIC LOGIC (See figure 1 at the end of the Ins truction Manual) 2.
2. OPER ATION LOGIC 4 DBF Breaker Failure Protection GEK-106168E OR5 to the bottom input of A ND4 . Any pair of single BF initiation s ignals placed at A ND5 , AND6 ,o r A ND7 will activate the top input of AND4 . This input to AND4 can also be ON if ther e is a 3P BF Initiation and Severe Fault 3P setting is s et to ‘permitted’.
2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 5 2.2. MONITORING AND RECORDING FUNCTIONS 2.2.1 MEASUREMENT The DBF system provides the continuous m easurem ent of phase and ground c urrent values.
2. OPER ATION LOGIC 6 DBF Breaker Failure Protection GEK-106168E Group Status Comment 2.7 Optional Exp. Board 2.8 Input Nº 7 Digital Input #7 Status 2.9 Input Nº 8 Digital Input #8 Status 2.10 Input Nº 9 Digital Input #9 Status 2.11 Input Nº 10 Digital Input #10 Status 2.
2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 7 Group Status Comment 5.9 5.10 5.11 5.12 5.13 5.14 5.15 6.0 6.1 Parallel EEPROM Alar m Failure in parallel EEPROM 6.2 Serial EEPROM Alar m Failure in ser ial EEPROM 6.3 Out- of-Service Relay out of service 6.
2. OPER ATION LOGIC 8 DBF Breaker Failure Protection GEK-106168E Group Status Comment 8.9 8.10 8.11 8.12 8.13 8,14 8.15 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 9.10 9.11 9.12 9.13 9.14 9.15 10.0 AND1 Output of internal AND gate #1 10.1 AND2 Output of internal AND gate #2 10.
2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 9 Group Status Comment 4.0 - 4.15 5.0 -5.15 The DBF units ar e supplied with the following target LED’s def ault configuration: LED Nº.
2. OPER ATION LOGIC 10 DBF Breaker Failure Protection GEK-106168E 2.2.5 BUILT-IN SELF-CHECKING UNIT The digital tec hnology of the DBF s y stem allows providing a built- in self-c hecking f unction which guarantees the correc t perform ance of the unit, and provides an exter nal alarm in cas e of error detec tion.
2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 11 The us er can select f rom the f ollowing list which signals m ay tr igger the oscillography: Events to Trigger the Oscillography PICKUP 1S T STA GE TRI P 2N D STAG E TRIP INTERNAL ARC 50BF A T RIP 50BF B T RIP 50BF C TRIP 50BF 3P T RIP EXTERNAL T RIGGER COMM.
2. OPER ATION LOGIC 12 DBF Breaker Failure Protection GEK-106168E 2.4. CONTROL 2.4.1 TABLES OF SETT INGS The DBF s y stem has two ty pes of s ettings stored in non-volatile m em ory (inf orm ation is kept even when there is no auxiliary voltage): • Generic Settings.
2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 13 2.4.2 TIM E SYNCHRONIZA T ION. The DBF s y stem includes an input for tim e synchronization.
2. OPER ATION LOGIC 14 DBF Breaker Failure Protection GEK-106168E 2.4.3.2 Outputs The basic DBF system has 10 outputs as f ollows: • 2 tripping contacts (A12-B12 and C1- D1) • 1 Break er failure p.
2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 15 2.5. MAN-MACHINE INTERFACE (HMI) The DBF system includes as standard a 20 key key boar d and a 2-line liquid crystal display (LCD) with 16 character s per line.
2. OPER ATION LOGIC 16 DBF Breaker Failure Protection GEK-106168E 2.6. REMOTE COMMUNICATIONS The relay has 2 serial gates and three connectors. G ate 1 can be reached fr om the fr ont of the relay in connector 1 (PORT 1 connector) or from the rear (PORT 2 connector) .
3. S ETTIN GS GEK-106168E DBF Breaker Failure Protection 17 3. 3. 3. 3. SETTINGS SETTINGS SETTINGS SETTINGS This s ection describes the s ettings of the DBF relay and the procedure to m odify them. T able 3 shows t he list of DBF settings, their range and r esolution, and the factory default settings.
3. S ETTIN GS 18 DBF Breaker Failure Protection GEK-106168E Common to all tables Range Default Step Oscillography Mask Prefault Cycles 2-10 4 1 Arc Detection Enable-Disable Enable Pick up Enable-Disab.
3. S ETTIN GS GEK-106168E DBF Breaker Failure Protection 19 COM MENTS ON SETTINGS: 1. The Identification s etting allows the user to input a nam e for the unit (f or exam ple the name of the line or feeder) with a m axim um of 20 ASCII char acters. 2.
3. S ETTIN GS 20 DBF Breaker Failure Protection GEK-106168E.
4. TECHNICAL CHA RA CT ERISTICS GEK-106168E DBF Breaker Failure Protection 21 4. 4. 4. 4. TECHNICAL CHARACTERISTICS TECHNICAL CHARACTERISTICS TECHNICAL CHARACTERISTICS TECHNICAL CHARACTERISTICS 4.1. MODEL LIST Position DBF 1 - - - - 1 1 - - 0 0 A Description Comm.
4. TECHNICAL CHA RA CT ERISTICS 22 DBF Breaker Failure Protection GEK-106168E 4.2. TECHNICAL CHARACTERISTICS MECHANICA L • Metal 19” rack case, 2 units high • IP51 Protection (as per IEC 529) .
4. TECHNICAL CHA RA CT ERISTICS GEK-106168E DBF Breaker Failure Protection 23 COMM UNICA T IONS -RS232 using DB9 f emale connec tor (2/3 connectors depending on m odel) - Mode: Half duplex -1 m m plastic f iber-optic (depending on m odel) Typical power output : -8dBm Receiver sens itivity -39dBm Numer ic aperture N.
4. TECHNICAL CHA RA CT ERISTICS 24 DBF Breaker Failure Protection GEK-106168E.
5. HA RDW A RE DESCRIPTION GEK-106168E DBF Breaker Failure Protection 25 5. 5. 5. 5. HARDW ARE DESCRIPTION HARDW ARE DESCRIPTION HARDW ARE DESCRIPTION HARDW ARE DESCRIPTION CA UT ION The DBF contains electronic components that can be damaged by electrostatic discharge if curre nts f low through some terminals of the internal components.
5. HA RDW A RE DESCRIPTION 26 DBF Breaker Failure Protection GEK-106168E The c omm unications connector s are situated on left- hand side of the front and on the r ight-hand side of the rear of the case. T he front port is PO RT 1 and the rear ports are PORT 2 and PORT3.
5. HA RDW A RE DESCRIPTION GEK-106168E DBF Breaker Failure Protection 27 5.2. OPERATING THEORY The DBF unit m easures cur rent signals, perform s com plex calculations us ing internal data, stores r elevant incidents, pick -up tripping relays and generates inform ation that can be used to determ ine the state of the associated elec trical system.
5. HA RDW A RE DESCRIPTION 28 DBF Breaker Failure Protection GEK-106168E 5.2.3 POWER SUPPLY The DBF power supply can be 48-125 VDC or 110-250 VDC rated. T he operating margin of the power supply is + 20%, and is galvanic ally isolated f rom the res t of the relay's circ uits.
6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 29 6. 6. 6. 6. ACCEPT ANCE TESTS ACCEPT ANCE TESTS ACCEPT ANCE TESTS ACCEPT ANCE TESTS 6.
6. A CCEPT A NCE T ESTS 30 DBF Breaker Failure Protection GEK-106168E 6.4. RELAY SETTING Introduce the f ollowi ng s ettings in the relay (by m eans of HMI or GE_Loc al software): General Settings Gro.
6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 31 8. Remove the c urrent from term inals A1-A2. Rem ove voltage from digital input CC1. 9. Repeat these steps with m inimum and max imum voltages depending on the r ange of the relay.
6. A CCEPT A NCE T ESTS 32 DBF Breaker Failure Protection GEK-106168E 6.8. INPUTS 6.8.1 DIGITAL INPUTS Log into the relay using the GE_LOCAL software and pres s INPUTS / OUT PUTS button on t he first general screen.
6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 33 6.9. FUNCTIONS 6.9.1 50BF 1P UNIT T EST 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 1P FUNCT ION to PER. 2. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 3P FUNCT ION to NO PER.
6. A CCEPT A NCE T ESTS 34 DBF Breaker Failure Protection GEK-106168E 6.9.2 50BF 3P UNIT T EST The DBF relay outputs are factory set with the default settings s hown in the external connections drawing (Figure 2). 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 1P FUNCT ION to NO PER.
6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 35 6.9.3 INTERNAL A RC TEST 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 3P FUNCT ION to NO PER. 2. Change setpoint T ABLE 1/INTERNAL ARC SETT INGS/INT ARC T IMER to 2s. 3. Energize digital input CC4 52/b A 4.
6. A CCEPT A NCE T ESTS 36 DBF Breaker Failure Protection GEK-106168E 8. Check t hat after 3P NO I T IMER T3 (2s) , the following contacts are c losed: A12-B12 C1-D1 C4-D4 C6-D6 C5-D5 C7-D7 9.
6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 37 6.10. RELAY MEASUREMENT TESTS 6.10.1. CURRENT MEASUREMENT 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 1P FUNCT ION to PER. 2. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 3P FUNCT ION to NO PER.
6. A CCEPT A NCE T ESTS 38 DBF Breaker Failure Protection GEK-106168E.
7 . IN S T AL L AT I O N AN D M AI N T E N AN CE GEK-106168E DBF Breaker Failure Protection 39 7. 7. 7. 7. INST ALLA TION AND MAINTENANCE INST ALLA TION AND MAINTENANCE INST ALLA TION AND MAINTENANCE INST ALLA TION AND MAINTENANCE 7.1. INSTALLATION The relay should be installed in a clean, dry and dust-fr ee place, with no vibrations.
7 . IN S T AL L AT I O N AN D M AI N T E N AN CE 40 DBF Breaker Failure Protection GEK-106168E.
8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 41 8. 8. 8. 8. KEYBOARD AND DISPLA Y KEYBOARD AND DISPLA Y KEYBOARD AND DISPLA Y KEYBOARD AND DISPLA Y The DBF has a 20 key keyboard and a liquid cry s tal DISPLAY with 32 characters, divided into two rows of 16 each.
8. KEYBOA RD AND DISPLA Y 42 DBF Breaker Failure Protection GEK-106168E 8.1. MENU TREE. The DBF has dif ferent m enus divided into levels. T he Level 0 is the steady state screen. T he Level 1 of the diff erent menus is access ed by pressing the corresponding gr oup key (SET, INF, etc.
8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 43 8.2. SETTINGS GROUP (SET KEY) This group allows to see and m odify the DBF settings.
8. KEYBOA RD AND DISPLA Y 44 DBF Breaker Failure Protection GEK-106168E Level 1 Level 2 Level 3 Level 4 50BF 1P FUNCTION PERM/NON-PERM. 50BF 3P FUNCTION PERM/NON-PERM. FUNCTION PERMIT 3P NO INT FUNCT . PERM/NON-PERM. PH HISET PICKUP 1.0- 12A * PH LOSET PICKUP 1.
8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 45 If the setting enter ed is outside the lim its of the valid range, the relay will not accept the change and will s how the follo.
8. KEYBOA RD AND DISPLA Y 46 DBF Breaker Failure Protection GEK-106168E 8.3. INFORMATION GROUP (INF KEY) On the steady-state(no com munic ations request), the LCD dis play at the f ront of the relay shows the following: By pressing the INF key, the next screen will show: This group provides inf ormation about the DBF.
8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 47 8.4. CONTROL GROUP (ACT KEY) Being on the steady-state screen of LCD at the f ront of the relay, by Pressing AC T k ey , the f o.
8. KEYBOA RD AND DISPLA Y 48 DBF Breaker Failure Protection GEK-106168E 8.5. SINGLE KEY MENU Being on the steady-state screen of LCD at the f ront of the relay, by Pressing ENT k ey, the “single key menu” will be access ed.
8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 49 8.6. CONFIGURATION MENU. The DBF has a c onfiguration unit which can only be accessed by means of the k ey boar d. To enter the c onfiguration, start f rom the m ain scr een ‘ DBF – GENERA L ELECTRIC ’ and use the k eyboard to enter a four -digit code.
8. KEYBOA RD AND DISPLA Y 50 DBF Breaker Failure Protection GEK-106168E.
FIGURES GEK-106168E DBF Breaker Failure Protection 51 FIGURES FIGURES FIGURES FIGURES ..
FIGURES 52 DBF Breaker Failure Protection GEK-106168E FIGURE 1 BREA KER FAILURE LOGIC (189C4114 SHEET 2).
FIGURES GEK-106168E DBF Breaker Failure Protection 53 FIGURE 2. EXT ERNA L CONNECT IONS (189C4114 SHEET 1).
FIGURES 54 DBF Breaker Failure Protection GEK-106168E FIGURE 3. FRONT VIEW (226B7412 H9).
FIGURES GEK-106168E DBF Breaker Failure Protection 55 FIGURE 4 REA R VIEW ( 226B7412H10).
FIGURES 56 DBF Breaker Failure Protection GEK-106168E FIGURE 5 DIM ENSIONS DIA GRAM (226B6086H10).
FIGURES GEK-106168E DBF Breaker Failure Protection 57 FIGURE 6 PA NEL DRILLING (226B6086H10).
FIGURES 58 DBF Breaker Failure Protection GEK-106168E FIGURE 7 RS232 CONNECTION (DBF RELAY TO PC) FIGURE 8 RS232 CONNECTION ( DBF RELA Y T O MODEM ) DB-9 Male Connector Label DB-9 Fem ale Connector DB.
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