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GEK-105593C

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2.2.6. PHASE ROTATION SEQUENCE SELECTION

The SMOR system works correctly with any phase sequence selection ABC or CBA without the need to
change the wiring of the external transformers, since there is a setting which allows the selection of the
phase rotation sequence.

2.2.7. SELF-CHECKING FUNCTIONS.

Thanks to its digital technology, the SMOR system incorporates self-checking functions which guarantee the
correct performance of the unit and will block the operation in case of internal errors.

These self monitoring checks are carried out both when the unit is started up and during normal operation.
The checks are carried out on the internal power supply, program memory (ROM), working memory (RAM),
oscillographic memory (RAM) and settings and calibration memory (EEPROM).

In addition there is a hardware test for the LED indicators, which light them all up when the button TARGET
RESET is pressed. If the button is kept pressed down for more than one second the memory for all the
indicators is reset.

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Содержание SMOR-B GEK 105593C

Страница 1: ...ÿ GE Power Management SMOR B Instructions GEK 105593C Protection Monitoring Analysis and Energy Management Numerical System ...

Страница 2: ...ion Settings Group 51 67 N PICK UP 0 20 2 40 A CURVE Inv M Inv E Inv Def Time TIME DIAL 0 05 1 00 DEFINITE TIME SETTING 0 00 100 00 sg 50 PH Function Settings Group 50 67 P PICK UP 1 00 160 00 A TIME DELAY 0 00 60 00 sg 50 PL Function Settings Group 50 67 P PICK UP 1 00 160 00 A TIME DELAY 0 00 60 00 sg 50 NH Function Settings Group 50 67 N PICK UP 0 20 32 00 A TIME DELAY 0 00 60 00 sg 50 NL Funct...

Страница 3: ...Blocking L Voltage Uniis Blocking L 81U 81O Units Blocking L 46 PT Unit Blocking L General Blocking L NOTE L indicates Level input P indicates Pulse input D EFAULT O UTPUTS C ONFIGURATION STANDARD MODEL OUTPUT CONFIGURATION CONTACT COMMON S1 51 67 P Pick Up C4 C6 S2 51 67 N Pick Up D4 C6 S3 46 PT Trip C5 C6 S4 81 Trip D5 C6 S5 27 59 Trip C7 D6 S6 Last Trip D7 D6 S7 Reclose In Progress C8 D6 S8 Rec...

Страница 4: ... 28 9 1 200 17 21 7 217 176 2 7 35 6 17 0 18 1 86 23 2 7 6 3 72 7 5 7 23 2 7 3 5 28 9 281 7 352 0 72 7 180 5 1 1 7 48 67 21 5 2 33 72 62 9 285 28 76 1 7 1 28 25 3 1 86 03529 7 6 0 18 RPSDQ 1DPH GGUHVV 3KRQH D PDLO HVFULSWLRQ RI RXU TXHVWLRQ RU VXJJHVWLRQ 0DQXDO FRGH ...

Страница 5: ......

Страница 6: ...egister 15 2 4 CONTROL 17 2 4 1 Associated Breaker Command 17 2 4 2 Operation Failure Detection 17 2 4 3 Recloser 18 2 4 4 Tables of Settings 21 2 4 5 Cold Load Pick up 21 2 4 6 Time Synchronization 22 2 4 7 Configurable Inputs and 0utputs 22 2 4 7 1 Digital Inputs 22 2 4 7 2 Outputs 23 2 5 MAN MACHINE INTERFACE MMI 24 2 6 REMOTE COMMUNICATIONS 24 3 SETTINGS 29 4 TECHNICAL CHARACTERISTICS 39 4 1 M...

Страница 7: ... PHASE TIME OVERCURRENT UNIT 51PT 54 6 17 GROUND TIME OVERCURRENT UNIT 51NT 55 6 18 PHASE DIRECTIONAL UNIT 67PL 56 6 19 GROUND DIRECTIONAL UNIT 67NL 57 6 20 UNDERFREQUENCY UNIT 81U 58 6 21 OVERFREQUENCY UNIT 81O 58 6 22 UNDERVOLTAGE UNIT 27 59 6 23 OVERVOLTAGE UNIT 59 59 6 24 ZERO SEQUENCE OVERVOLTAGE UNIT HIGH LEVEL 59 NH 59 6 25 ZERO SEQUENCE OVERVOLTAGE UNIT LOW LEVEL 59 NL 60 6 26 BREAKER MAIN...

Страница 8: ...eristic Operating Curve 88 Figure 6 Recloser Program Flowchart 89 Figure 7 Front View for 19 rack models 90 Figure 8 Front View for 1 2 rack models 91 Figure 9 External Connections for 19 rack models 92 Figure 10 External Connections for 1 2 rack models 93 Figure 11 Connection to computer with PC 94 Figure 12 Connection to computer with MODEM 94 Figure 13 Rear View for 19 rack models 95 Figure 14 ...

Страница 9: ...GEK 105593C 4 ...

Страница 10: ...ranged in the following way 3 phase units 51PT Instantaneous Inverse or definite time 50PH Instantaneous or definite time 50PL Instantaneous or definite time 3 ground units 51NT Instantaneous Inverse or definite time 50NH Instantaneous or definite time 50NL Instantaneous or definite time Independent directional supervision adjustment for each overcurrent functions Negative sequence overcurrent Thr...

Страница 11: ... Configurable inputs and outputs Internal logic that can be configured by the user based on AND NOT OR gates e Communication Interfaces Three communication ports one on the front of the relay and two located on the rear Man machine interface MMI consisting of a keyboard 20 key and an alphanumerical display 2 lines x 16 char Windows based GE INTRO configuration software and GE LOCAL communication s...

Страница 12: ...me curves are shown in Figures 2 3 and 4 and follow the equation K t TD M 1 in which t Time in seconds TD Time Dial of the curve 0 05 for the lower curve of the family and 1 for the upper curve M Multiples of the pickup value K α are coefficients which identify the selected curve and which correspond to the following table Curve Characteristic K α α α α 1 Inverse 0 13 0 02 2 Very inverse 16 1 3 Ex...

Страница 13: ...over and under voltage Under voltage 27P Over voltage 59P The three phase under and overvoltage units operate under conditions of under or over voltage depending on the unit in any of the three phases Both units are adjusted and operate on phase to phase voltage values calculated from the phase to ground voltages applied to the unit Ground overvoltage High Setting 59 NH Low Setting 59 NL There are...

Страница 14: ...sed using the local MMI or the communication software which shows the breaker status in real time through a visual simulation of the line 2 2 3 LED INDICATORS An internal states matrix stores the digital information for all the units inputs pick ups alarms etc The digital signals on this matrix are grouped in groups of 16 signals there are 10 groups It is a 10 x 16 matrix the final group correspon...

Страница 15: ...input for each coil These supervision inputs monitor both the battery voltage and the continuity of the tripping or closing circuits monitoring the flow of a small current injected into the circuit The unit independently identifies in the event recorder and states matrix the continuity of each coil coil continuity alarm and the loss of voltage to command the breaker coil DC supply alarm Circuit su...

Страница 16: ...en until the moment when the breaker opens The Accumulative Current Limit setting establishes a threshold for the breaker s interruption capability it is advisable to set this to the limit supplied by the manufacturer When this threshold is passed on any of the three phases the system gives an alarm In addition the system incorporates a counter for the number of opening operations carried out The ...

Страница 17: ...ich guarantee the correct performance of the unit and will block the operation in case of internal errors These self monitoring checks are carried out both when the unit is started up and during normal operation The checks are carried out on the internal power supply program memory ROM working memory RAM oscillographic memory RAM and settings and calibration memory EEPROM In addition there is a ha...

Страница 18: ... occurred and the internal states matrix of the unit This event recorder is stored in a non volatile memory and can be maintained indefinitely even with no power supply The relay generates an event when any of the following signals changes its status Index State 0 0 Program initiates 0 1 Settings change 0 2 Write counters 0 3 Configuration change 0 4 External trigger 0 5 Communications Trigger 0 6...

Страница 19: ...ip 8 2 50PH Trip 8 3 50PL Trip 8 4 50NH Trip 8 5 50NL Trip 8 6 46PT Trip 8 7 81U Trip 9 0 81O Trip 9 1 27P Trip 9 2 59P Trip 9 3 59NH Trip 9 4 59NL Trip 9 5 9 6 9 7 C 0 79 out of service C 1 C 2 Reclose initiate C 3 External reclose initiate C 4 Reclose inhibit C 5 C 6 Last trip C 7 79 Ready D 0 Lockout Failed to open D 1 Lockout Repetitive tripping D 2 Lockout No conditions to reclose D 3 Lockout...

Страница 20: ...2 10 3 Active table 3 10 4 10 5 10 6 10 7 11 0 52 Status 11 1 11 2 52 failed to open 11 3 52 failed to close 11 4 Directional A 11 5 Directional B 11 6 Directional C 11 7 Directional N 2 3 2 OSCILLOGRAPHY REGISTER The SMOR unit stores 4 oscillography records with a resolution of 16 samples per cycle Each register has a maximum capacity of 66 cycles The number of pre fault cycles can be selected fr...

Страница 21: ...TRIP D 59 NL PICK UP 1D 59 NL TRIP E EXTERNAL TRIGGER 1E F COMM TRIGGER 1F Active settings table There is a mask that can be configured and that determines which functions or internal trips start the oscillography It also can either be started by a configurable digital input by communications or directly from the MMI The oscillography records are retrieved and converted into a COMTRADE IEEE standa...

Страница 22: ... wired to the digital input associated with this function and the alarm is not turned on If the contact 52 b is not wired to the SMOR system no voltage is applied when the breaker is open contact 52 b closed In this case the timer does not start when the breaker closing signal is issued and therefore the failure to close detection function cannot operate As far as the failure to open detection is ...

Страница 23: ...s the number of trips that occur in that period This window moves continuously so that it always indicates the number of trips that have occurred in the hour up to the present moment If the number of trips exceeds the setting the recloser stops working and moves to the lock out status shown in figure 5 From now on we will use the term lock out instead of block to distinguish the situations in whic...

Страница 24: ...e programmed functions and to get ready to trip after the reclosure only for the functions allowed to trip after the first reclosure It then passes to the reset state and leaves this state when the first reclose initiation occurs whether it is external IRE or internal To simplify things let us imagine that we are in the most common situation which shows the reclose initiation as being internal The...

Страница 25: ...GEK 105593C 20 FIGURE 5 RECLOSER STATES DIAGRAM 226B2200H1 SUMMARISED ...

Страница 26: ...ng that table 3 is always associated to the cold load pick up which has maximum priority see section 2 4 5 Table Selection INPUT 1 Table Selection INPUT 0 Active Table 0 0 Selected by setting 0 1 1 1 0 2 1 1 3 NOTE if the inputs are programmed and used energizing them this selection has priority over the ACTIVE TABLE setting and the table which is in fact used is determined by the status of the di...

Страница 27: ...tions using the GE LOCAL communications software or manually by means of the MMI If the IRIG B input is used it has priority over time setting by communications since the time read by IRIG B is much more accurate 2 4 7 CONFIGURABLE INPUTS AND 0UTPUTS 2 4 7 1 Digital Inputs The SMOR system has 6 digital inputs two groups of 3 inputs with one common in each group The inputs can be configured by the ...

Страница 28: ...directional overcurrent functions while the corresponding input is active There is also the IRIG B synchronization input already mentioned The diagram of external connections in figure 7 shows the default input configuration 2 4 7 2 Outputs The SMOR system has 13 outputs as follows 2 trip 2 close 1 alarm 2 groups of 4 configurable outputs with one common per group The model with optional expansion...

Страница 29: ...T3 connector is replaced by a fiber optic connector The PORT 1 connector has priority over the PORT 2 connector and is selected when the DCD Data Carrier Detect signal is activated Figure 8 shows how to make the connections to a personal computer Gate 1 PORT 1 and PORT 2 connectors and 2 PORT 3 connector are independent and the unit can serve them simultaneously The communications protocol is the ...

Страница 30: ...er 0 6 0 7 1 0 Reclose command 1 1 79 block command 1 2 79 unblock command 1 3 Open command 1 4 Close command 1 5 1 6 1 7 2 0 Input 1 2 1 Input 2 2 2 Input 3 2 3 Input 4 2 4 Input 5 2 5 Input 6 2 6 2 7 3 0 Input 7 3 1 Input 8 3 2 Input 9 3 3 Input 10 3 4 Input 11 3 5 Input 12 3 6 3 7 4 0 51PT Pickup 4 1 51NT Pickup 4 2 50PH Pickup 4 3 50PL Pickup 4 4 50NH Pickup 4 5 50NL Pickup 4 6 46PT Pickup 4 7...

Страница 31: ... 7 5 59P bc Pickup 7 6 59P ca Pickup 7 7 8 0 51PT Trip 8 1 51NT Trip 8 2 50PH Trip 8 3 50PL Trip 8 4 50NH Trip 8 5 50NL Trip 8 6 46PT Trip 8 7 81U Trip 9 0 81O Trip 9 1 27P Trip 9 2 59P Trip 9 3 59NH Trip 9 4 59NL Trip 9 5 9 6 9 7 A 0 51PT a Trip A 1 51PT b Trip A 2 51PT c Trip A 3 50PH a Trip A 4 50PH b Trip A 5 50PH c Trip A 6 50PL a Trip A 7 50PL b Trip B 0 50PL c Trip B 1 27P ab Trip B 2 27P b...

Страница 32: ...rm E 3 Out of service E 4 Default general settings E 5 Default table 1 settings E 6 Default table 2 settings E 7 Default table 3 settings F 0 F 1 Tripping not permitted F 2 Current with open breaker F 3 52 maintenance alarm F 4 Coil 1 continuity failure F 5 Coil 1 DC supply failure F 6 Coil 2 continuity failure F 7 Coil 2 DC supply failure 10 0 Closed trip contacts 10 1 Active table 1 10 2 Active ...

Страница 33: ...GEK 105593C 28 Index STATE 12 0 AND1 12 1 AND2 12 2 AND3 12 3 AND4 12 4 AND5 12 5 AND6 12 6 AND7 12 7 AND8 13 0 AND9 13 1 AND10 13 2 AND11 13 3 AND12 13 4 AND13 13 5 AND14 13 6 AND15 13 7 AND16 ...

Страница 34: ...h port is being used local or remote STOP BIT for the relay depending on which port is being used local or remote To modify or view the unit s configuration parameters go to the configuration menu corresponding to section 8 KEYBOARD AND DISPLAY When connecting to the unit check that the relay number and password coincide with those which appear on the unit s configuration menu The SMOR system has ...

Страница 35: ...gr time 0 03 0 25s 0 06s 0 01s Maximum trips in 1 hour 1 50 50 1 Active Table Settings of Active Settings Table 1 3 1 1 Cold pick up permission NO YES NO NA Change to Table 3 time Reclose time 240s 60s 1s Return from Table 3 time Reset time 1800s 120s 1s Oscillography Mask Number of pre fault cycles 2 10 2 1 Oscillo triggers Pick up 51 PT Enabled disabled Enabled NA Pick up 51 NT Enabled disabled ...

Страница 36: ...ission Not allowed Allowed Not allowed NA 81 O Function Permission Not allowed Allowed Not allowed NA 27 P Function Permission Not allowed Allowed Not allowed NA 59 P Function Permission Not allowed Allowed Not allowed NA 59 NH Function Permission Not allowed Allowed Not allowed NA 59 NL Function Permission Not allowed Allowed Not allowed NA Functions allowed to trip 51 PT Trip Permission Not allo...

Страница 37: ... 0 0 60 s 0 00s 0 01 s 46 PT Function 46 Pick up 0 1 4 A 0 20 A 0 01 A Curve In M Inv E Inv Def t DEFINITE T NA Time Dial 0 05 1 00 1 00 0 01 Definite Time Setting 0 00 100 00 10 00 0 01 s 81 Settings Group Pick up 81U 40 00 70 00 Hz 49 00 Hz 0 01 Hz Underfrequency timer 0 00 100 00 1 00 s 0 01 s Pick up 810 40 00 70 00 Hz 51 00 Hz 0 01 Hz Overfrequency timer 0 00 100 00 2 00s 0 01s Undervoltage s...

Страница 38: ... Enabled Dis Enabled NA After 46 PT Enabled Dis Enabled NA After 81 U Enabled Dis Enabled NA After 81 O Enabled Dis Enabled NA After 27 P Enabled Dis Enabled NA After 59 P Enabled Dis Enabled NA After 59 NH Enabled Dis Enabled NA After 59 NL Enabled Dis Enabled NA With an Input Enabled Dis Enabled NA Trips Mask after 1st reclose Trip 51PT After reclosing Enabled Dis Enabled NA Trip 51NT After recl...

Страница 39: ...ion the Trip Permission setting allow the possibility of enabling or disabling only the trips thus allowing the function to remain active and capable of generating events alarms and signals 8 The settings procedure for all the timed Overcurrent functions 51PT 51NT 46PT is identical In all cases it is necessary to set the PICK UP pick up threshold first and then the type of timing chosen CURVE sett...

Страница 40: ...TIVE TABLE SET of Active Settings Table ACTIVE TABLE Cold Load Pick up permiss CLP PERMISSION Change to Table 3 time t CHANGE TABLE Return from Table 3 time t RETURN TABLE Oscillography Mask OSCILLOS MASK Number of pre fault cycles PREFAULT CYCLES Signals that trigger the osc Pick up 51 PT 51PT PICKUP Pick up 51 NT 51NT PICKUP Pick up 50 PH 50PH PICKUP Pick up 50 PL 50PL PICKUP Pick up 50 NH 50NH ...

Страница 41: ...U FUNCTION 81 O Function Permission 81O FUNCTION 27 P Function Permission 27P FUNCTION 59 P Function Permission 59P FUNCTION 59 NH Function Permission 59NH FUNCTION 59 NL Function Permission 59NL FUNCTION 51 PT Trip Permission 51PT TRIP 51 NT Trip Permission 51NT TRIP 50 PH Trip Permission 50PH TRIP 50 PL Trip Permission 50PL TRIP 50 NH Trip Permission 50NH TRIP 50 NL Trip Permission 50NL TRIP 46 ...

Страница 42: ...n 46PT FUNCTION 46 Pick up 46 PICKUP Curve CURVE Time Dial TIME DIAL Definite Time Setting DEFINITE TIME t 81 Settings Group 81 FUNCTION Pick up 81U 81U PICKUP Underfrequency timer TIME DELAY U Pick up 810 81O PICKUP Overfrequency timer TIME DELAY O Undervoltage supervision INHIBIT V Voltage Settings Group 27 59 FUNCTION Undervoltage pick up 27P 27P PICKUP 27P Time Delay TIME DELAY 27P Overvoltage...

Страница 43: ...NIT 79 x 46PT After 81 U INIT 79 x 81U After 81 O INIT 79 x 81O After 27 P INIT 79 x 27P After 59 P INIT 79 x 59P After 59 NH INIT 79 x 59NH After 59 NL INIT 79 x 59NL With an Input INIT 79 x INPUT Trips Mask after 1st reclose Trip 51PT After reclose 51PT TRIP AFT 79 Trip 51NT After reclose 51NT TRIP AFT 79 Trip 50PH After reclose 50PH TRIP AFT 79 Trip 50PL After reclose 50PL TRIP AFT 79 Trip 50NH...

Страница 44: ...P1 P2 Mlink P3 ModBus RTU MMI language M Spanish D English I O Expansion board 0 Without expansion board 1 With expansion board Auxiliary voltage A 48 Vdc F 24 48 Vdc G 48 125 Vdc H 110 250 Vdc Options special models 0 0 Standard model 0 3 Energy metering and modified 79 logic 0 4 rack 4 units high model 0 6 rack model with energy metering TABLE 1 RANGES MODELS A B C D E F G SMOR 1 7 B PHASE 1 12 ...

Страница 45: ...110 250 Vdc Different models Thermal capacity Current circuits Permanent 4 x In 3 s duration 50 x In 1 s duration 100 x In Voltage circuits Permanent 2 x Un 1 min duration 3 5 x Un Temperature ranges Operating 20º C to 55ºC Storage 40ºC to 65ºC Humidity Up to 95 without condensation Tripping contacts Rated voltage Maximum opening voltage 250 440 Vac Rated current Closing current 16 25 A Operating ...

Страница 46: ...with the following standards which include the GE insulation and electromagnetic compatibility standard and the standards required by Community Directive 89 336 for the EC market in line with European standards It also complies with the European directive requirements for low voltage and the environmental and operating requirements established in ANSI standards C37 90 IEC 255 5 IEC 255 6 and IEC 6...

Страница 47: ...GEK 105593C 42 Fast transients IEC 255 22 4 IV EN 61000 4 4 Magnetic fields at industrial frequency EN 61000 4 8 30 Av m RF emission EN 55011 B ...

Страница 48: ...e using three DB 9 type connectors one on the front and two on the rear when using communication option RS 232 One of these connectors is replaced by the corresponding fiber optic connector in the models which include this option 5 1 3 INTERNAL CONSTRUCTION Internally the SMOR unit is divided into 2 trays and a case The case consists of the case with the blocks of terminals described above Inside ...

Страница 49: ...at a clock frequency of 20 MHz One of these microprocessors is used to carry out relay communications and the other to carry out the calculations which are necessary for the protection functions The microprocessor chosen is designed to carry out input and output calculations and operations at very high speed The use of two microprocessors is especially recommendable so as to make the protection an...

Страница 50: ...s depending on the model 48 Vdc or 110 250 Vdc The operating margin of the power supply is 20 and it is galvanically insulated from the rest of the relay s circuits The power supply provides 12 Vdc to supply the analog part and the output relays and 5 Vdc for the digital circuits 5 2 4 KEYBOARD AND DISPLAY The SMOR display is an LCD display liquid crystal and consists of two rows of 16 characters ...

Страница 51: ...GEK 105593C 46 ...

Страница 52: ...erminals A1 and A2 The second source is connected to phase B terminals B1 B2 and the third one to phase C terminals A3 A4 connecting the return of the three phases to the ground current input terminals B3 B4 3 voltage sources also need to be connected to phases A terminals A5 and A6 B terminals B5 and B6 and C terminals A7 and A8 For safety reasons the external protection earth terminal should be ...

Страница 53: ...ndependent groups on the relay are as follows Group 1 A10 B10 Power supply Group 2 A5 to A8 B5 to B8 Voltage transformers Group 3 A1 to A4 B1 to B4 Current transformers Group 4 C9 C10 D9 D10 Inputs group 1 C11 C12 D11 D12 Inputs group 2 Group 5 A11 B11 Trip 1 Group 6 A12 B12 Trip 2 Group 7 C1 D1 Reclose 1 Group 8 C2 D2 Reclose 2 Group 9 C3 D3 Unit alarm Group 10 C4 to C6 D4 and D5 Outputs Group 1 ...

Страница 54: ...ual to 2xIn phase at nominal AC voltage making the relay to trip closing all his auxiliary outputs corresponding to the mentioned outputs The status of the ALARM output relay will be checked It should remain open At these conditions the relay can communicate with the PC Check this point requesting the relay model from the PC With the relay tripped consumption is measured being as follow Model A 48...

Страница 55: ...indicated and it can be supposed that the other settings do not affect the test in question For example when testing the Overcurrent function the recloser and the directional control functions etc are disabled 6 8 INPUTS 6 8 1 DIGITAL INPUTS Apply the nominal voltage in order to each of the inputs CC1 to CC6 and for models with expansion board CC1 to CC12 Each test checks that the corresponding in...

Страница 56: ...inal voltage on phase A voltage input at nominal frequency to trip the relay Check that S5 auxiliary output C7 D6 closes With the recloser out of service check that output S8 D8 D6 is closed Set the recloser in service and check the S8 opens Set the recloser to one reclosing attempt with a 5 sec time delay without reclosing condition checking and a reset time equal to 10 sec Enable only 51P functi...

Страница 57: ...5 or 1 Amp Check that the relay measures Iground with an accuracy of at least 5 Repeat the test for 60 Hz 6 10 2 FREQUENCY MEASUREMENT Apply 110V at 50 Hz through the voltage input corresponding to phase B Check that the frequency measured by the relay is inside the range of 49 97 and 50 03 Hz NOTE Check that the inhibition voltage of the frequency units is lower than the applied voltage If not th...

Страница 58: ...ose to take place Energize CC6 input C12 D12 Reclose inhibit and force a 50 PL trip After 12 sec de energize CC6 input and check that at that moment the relay recloses Activate CC6 input Reclose inhibit and force a 50 PL trip After 18 sec de energize CC6 input and check that the relay does not reclose The recloser should be in LOCKOUT 6 11 4 CHECKING RECLOSE INITIATION Only for models with expansi...

Страница 59: ...between 10 to 40 ms The test should be carried out for phases A B and C 6 16 PHASE TIME OVERCURRENT UNIT 51PT The 4 curves Inverse Very Inverse Extremely inverse and Definite time are tested with three points for each curve one not to trip and two to trip This gives us a total of 12 points for each protection unit The tests are carried out for different phases Each point is tested with a different...

Страница 60: ...ly 1 1 times the pick up current and the relay should trip in 1 sec Acceptable time range between 0 97 and 1 03 sec Apply 4 times the pick up current and the relay should trip in 1 sec Acceptable time range between 0 97 and 1 03 sec 6 17 GROUND TIME OVERCURRENT UNIT 51NT Enable only 51NT function and its related trip and set the pick up to the minimum possible INVERSE CURVE Set the relay as follow...

Страница 61: ... current into phase A and the relay should not trip Apply 1 1 times the pick up current and the relay should trip in 1 sec Acceptable time range between 0 97 and 1 03 sec Apply 4 times the pick up current and the relay should trip in 1 sec Acceptable time range between 0 97 and 1 03 sec 6 18 PHASE DIRECTIONAL UNIT 67PL Instantaneous trips 50PL low level are forced to test the directionality of the...

Страница 62: ...and check that relay trips Apply 60 V at 180º on phase A Check that relay trips Apply 60 V at 320º on phase A Check that relay does not trip Apply 60 V at 130º on phase A Check that relay does not trip PHASE C DIRECTIONAL TEST Apply 4 times the pick up current at 0º on phase C Positive is applied to terminal A3 and negative to terminal A4 Apply 60 V at 0º on phase B Positive is applied to terminal...

Страница 63: ...lay as follows 81 Function Settings Group 81U Pick up 47 5 Hz Time Delay 81U 2 sec Inhibit V 35 Enable only 81U function and its related trip Apply 110 Vac on phase B varying the frequency from 46 Hz to 54 Hz inclusive at intervals of 1 Hz switch the voltage source OFF before changing the frequency Measure the operation time This should be between 1 9 and 2 1 s when the frequency is 46 Hz and 47 H...

Страница 64: ...heck that the relay trips Check that for this trip the operating time is in between 3 9 and 4 1 sec 6 23 OVERVOLTAGE UNIT 59 Enable only 59P function and its related trip Set the relay as follows 27 59 Functions Settings Group 59P Pick up 10 V ph ph Time Delay 59P 0 20 sec Apply on phase A of the relay 9 Vac and check that the relay does not trip Apply 11 Vac and check that the relay trips Check t...

Страница 65: ...3 V Time Delay 59NL 0 20 sec Apply on phase A of the relay 2 7 Vac and check that the relay does not trip Apply 3 3 Vac and check that the relay trips Check that for this trip the operating time is in between 0 18 and 0 22 sec Set the relay as follows 27 59 Functions Settings Group 59NL Pick up 100 V Time Delay 59NL 4 0 sec Apply on phase A of the relay 95 Vac and check that the relay does not tri...

Страница 66: ... not reclose 6 UNBLOCK THE RECLOSER With the recloser enabled issue this command to the relay This command cancels the previous one recloser block Force a trip and check the relay recloses after 2 sec corresponding to the first programmed reclose 6 28 PHASE ROTATION ABC CBA Set the relay for the phase sequence ABC Apply the following currents to the relay Ia In phase at 0 Ib In phase at 120 Ic In ...

Страница 67: ...nal E8 The terminals corresponding to terminals E5 F6 and E6 will be E7 F8 and E8 respectively The signal to be checked is Coil 2 Continuity Failure Table 11 Customer s settings Description MMI GE LOCAL USER VALUES General Settings Group GENERAL SETTINGS Relay status RELAY STATUS Identification IDENTIFICAT Frequency FREQUENCY Rated Voltage NOMINAL VOLTAGE CT Phase Ratio PHASE CT RATIO CT Ground Ra...

Страница 68: ...unction Permission 51PT FUNCTION 51 NT Function Permission 51NT FUNCTION 50 PH Function Permission 50PH FUNCTION 50 PL Function Permission 50PL FUNCTION 50 NH Function Permission 50NH FUNCTION 50 NL Function Permission 50NL FUNCTION 46 PT Function Permission 46PT FUNCTION 81 U Function Permission 81U FUNCTION 81 O Function Permission 81O FUNCTION 27 P Function Permission 27P FUNCTION 59 P Function...

Страница 69: ...Setting DEFINITE TIME t 81 Settings Group 81 FUNCTION Pick up 81U 81U PICKUP Underfrequency timer TIME DELAY U Pick up 810 81O PICKUP Overfrequency timer TIME DELAY O Undervoltage supervision INHIBIT V Voltage Settings Group 27 59 FUNCTION Undervoltage pick up 27P 27P PICKUP 27P Time Delay TIME DELAY 27P Overvoltage pick up 59P 59P PICKUP 59P Time Delay TIME DELAY 59P Overvoltage pick up 59NH 59NH...

Страница 70: ...IT 79 x 81U After 81 O INIT 79 x 81O After 27 P INIT 79 x 27P After 59 P INIT 79 x 59P After 59 NH INIT 79 x 59NH After 59 NL INIT 79 x 59NL With an Input INIT 79 x INPUT Trips Mask after 1st reclose Trip 51PT After reclose 51PT TRIP AFT 79 Trip 51NT After reclose 51NT TRIP AFT 79 Trip 50PH After reclose 50PH TRIP AFT 79 Trip 50PL After reclose 50PL TRIP AFT 79 Trip 50NH After reclose 50NH TRIP AF...

Страница 71: ...GEK 105593C 66 ...

Страница 72: ...t the circuits are perfectly protected In addition this connection also guarantees the physical safety of the personnel who have to touch the relay since the whole casing is connected to ground 7 3 MAINTENANCE Given the important role that the protection relays play in the operation of any installation a periodic program of tests is highly recommended The unit incorporates built in diagnostic func...

Страница 73: ...GEK 105593C 68 ...

Страница 74: ...to the system configuration and the modification of the passwords access communication speeds etc This menu is accessed by keying in the code 7169 In order to access this mode the relay should be on the main screen Single key menu By pressing the ENT key the SMOR can be operated in a simplified mode It is not necessary to remove the methacrylate cover on the front of the relay to access this mode ...

Страница 75: ...STATUS Show the status of the relay ACT SET DATE TIME Change date and time on the relay BLOCK RECLOSER Block the recloser UNBLOCK RECLOSER Unblock the recloser COMM TRIGGER Trigger oscillography by communication RESET I MAXIMETER Reset current I maximeter RESET POT MAXIMETER Reset power maximeter OPEN BREAKER Open the breaker CLOSE BREAKER Close the breaker ENT I2 Show negative sequence current in...

Страница 76: ...s date and time of unit KEEP PRESSED BLOCK RECLOSER Keeping ENT key pressed down blocks the recloser KEEP PRESSED UNBLOCK RECLOSER Keeping ENT key pressed down unblocks the recloser Configuration unit 7169 NET BAUDRATE Communication baud rate on remote network communications NET STOP BITS Stop bits remote network communications LOC BAUDRATE Baud rate of local communication LOC STOP BITS Stop bits ...

Страница 77: ...OTECTION SETTINGS IDENTIFICAT 20 character alphanumeric string FREQUENCY 50 60 Hz NOMINAL VOLTAGE 90 220 v PHASE CT RATIO 1 4000 in steps of 1 GROUND CT RATIO 1 4000 in steps of 1 LINE VT RATIO 1 4000 in steps of 1 BUS VT RATIO 1 4000 in steps of 1 DEMAND TIME 15 30 60 min PHASE ROTATION ABC CBA BREAKER SETTINGS BREAKER NUM 4 character alphanumeric string t FAIL TO OPEN 0 05 1 in steps of 0 01 t F...

Страница 78: ...ed Not P 51NT FUNCTION Permitted Not P 50PH FUNCTION Permitted Not P 50PL FUNCTION Permitted Not P 50NH FUNCTION Permitted Not P 50NL FUNCTION Permitted Not P 46PT FUNCTION Permitted Not P 81U FUNCTION Permitted Not P 81O FUNCTION Permitted Not P 27P FUNCTION Permitted Not P 59P FUNCTION Permitted Not P 59NH FUNCTION Permitted Not P 59NL FUNCTION Permitted Not P 51PT TRIP Permitted Not P 51NT TRIP...

Страница 79: ...teps of 0 01 50NL FUNCTION TX 50 67N PICKUP 0 2 32 A in steps of 0 01 TIME DELAY 0 00 60 s in steps of 0 01 46PT FUNCTION TX 46PT PICKUP 0 1 4 A in steps of 0 01 CURVE Inverse Very Inv Extrem inv definite t TIME DIAL 0 05 1 00 s in steps of 0 01 DEFINITE TIME t 0 00 100 00 s in steps of 0 01 81 FUNCTION TX 81U PICKUP 40 70 Hz in steps of 0 01 TIME DELAY U 0 00 100 00 s in steps of 0 01 81O PICKUP ...

Страница 80: ...1º GROUND ANGLE 90º 90º in steps of 1º V LOSS LOGIC Permission Block RECLOSER TX 79 STATUS Permitted Not permitted NUMBER OF CYCLES 1 4 RESET TIME 0 600 s in steps of 1 HOLD MODE Yes No HOLD TIMER 0 100 s in steps of 1 1s RECLOSE DELAY 0 10 100 s in steps of 0 01 2n RECLOSE DELAY 0 10 100 s in steps of 0 01 3r RECLOSE DELAY 0 10 100 s in steps of 0 01 4t RECLOSE DELAY 0 10 100 s in steps of 0 01 R...

Страница 81: ...Disabled 50NH TRIP AFT 79 Enabled Disabled 50NL TRIP AFT 79 Enabled Disabled 46PT TRIP AFT 79 Enabled Disabled 81U TRIP AFT 79 Enabled Disabled 81O TRIP AFT 79 Enabled Disabled 27P TRIP AFT 79 Enabled Disabled 59P TRIP AFT 79 Enabled Disabled 59NH TRIP AFT 79 Enabled Disabled 59NL TRIP AFT 79 Enabled Disabled MODIFY COUNTERS PROTECTION I2t A COUNTER I2t B COUNTER I2t C COUNTER N OPENINGS N RECLOSU...

Страница 82: ...repeat the setting for a setting in the same group repeat steps 3 to 5 6 Press the END key 7 The relay will request confirmation of the change by means of the following message CONFIRM Y N 8 If you want to confirm this change press the 1 Y key If not press 3 N 9 The relay will then show the following message on the screen SETTINGS CHANGE EXECUTED 10 Press the CLR key repeatedly in order to return ...

Страница 83: ...ry 15 END CONFIRM Y N Ask for confirmation Y SETTINGS CHANGE EXECUTED Change done CLR RELAY STATUS IN SERV Return to settings list CLR GENERAL SETTINGS Go up to level 2 CLR MODIFY PROTECTION SETTINGS Go up to level 1 CLR SMOR GENERAL ELECTRIC Reset status 8 3 INFORMATION GROUP This group provides information about the status of the SMOR Press the INF key in the main menu to access this group The i...

Страница 84: ...MOR0010 Vary according to model PROT VERSION 2 0126 03 97 Vary according to model COMM VERSION 2 4425 04 97 Vary according to model I2 Ia Ib Ic In Vab Vbc Vca Vn P Q COS PHI FREQUENCY TRIP IN 1 HOUR I MAXIMETER I2t A COUNTER I2t B COUNTER I2t C COUNTER Nº OPENINGS Nº RECLOSURES POT MAXIMETER 51PT PICKUP YES NO 51NT PICKUP YES NO 50PH PICKUP YES NO 50PL PICKUP YES NO 50NH PICKUP YES NO 50NL PICKUP ...

Страница 85: ...e function for entering the date and time for the relay When the UP DOWN ARROW keys are pressed the rest of the items on the operations menu appear After locating the required operation use the ENT key to select it To avoid carrying out operations by mistake the keyboard program requires confirmation of the operation selected To confirm press the 1 Y key and then ENT To abort the operation press t...

Страница 86: ...s to certain information about the relay without the need to remove the external methacrylate cover Operation is by pressing the ENT key repeatedly This mode can only be accessed from the stand by screen The information available in this mode is shown in order in the following table Magnitude I2 Ia In Vab P COS PHI FREQUENCY TRIPS IN 1 HOUR I MAXIMETER I2t A COUNTER I2t B COUNTER I2t C COUNTER N O...

Страница 87: ...ated as a binary logic setting selected by means of the logic key 1 Y for 1 and 3 N for 2 LOC BAUDRATE as above but for local communications LOC STOP BITS As above but for local communications LOCAL SETTINGS Settings changes by local communications allowed not allowed REM SETTINGS Settings changes by remote communications allowed not allowed LOC OPERATIONS Operations being performed by local commu...

Страница 88: ...GEK 105593C 83 FIGURES FIGURES FIGURES FIGURES ...

Страница 89: ...GEK 105593C 84 FIGURE 1 PANEL DRILLING DIMENSIONS FOR 19 RACK MODELS 226B6086H10 ...

Страница 90: ...05593C 85 FIGURE 2 PANEL DRILLING DIMENSIONS FOR 1 2 RACK MODELS 4 AGUJEROS DE 7 0 PARA MONTAJE 4 HOLES OF 7 0 FOR DRILLING 12 12 PERFORADO PARA MONTAJE DIMENSIONS FOR MOUNTING 252 228 38 25 101 5 38 25 178 ...

Страница 91: ...GEK 105593C 86 FIGURE 3 INVERSE CHARACTERISTIC OPERATING CURVE 226B7414H1 ...

Страница 92: ...GEK 105593C 87 FIGURE 4 VERY INVERSE CHARACTERISTIC OPERATING CURVE 226B7414H2 ...

Страница 93: ...GEK 105593C 88 FIGURE 5 EXTREMELY INVERSE CHARACTERISTIC OPERATING CURVE 226B7414H3 ...

Страница 94: ...GEK 105593C 89 FIGURE 6 RECLOSER PROGRAM FLOWCHART 226B2200H1 ...

Страница 95: ...GEK 105593C 90 FIGURE 7 FRONT VIEW FOR 19 RACK MODELS 226B7412H9 ...

Страница 96: ...GEK 105593C 91 FIGURE 8 FRONT VIEW FOR 1 2 RACK MODELS ...

Страница 97: ...GEK 105593C 92 FIGURE 9 EXTERNAL CONNECTIONS FOR 19 MODELS 189C4101H1 ...

Страница 98: ...SITIV O SALIDA S G RUPO1 G RUPO2 SALIDA S AR RA NQU E 51 67 F 51 67 P PIC KU P PIC KU P N 51 67 N 51 67 AR RA NQU E D ISP AR O 46 46TRIP 81O uTR IP 81 M D ISP AR O D ISP AR O 27 59 27 59TR IP U LTIMOD ISP AR O R ECLOSER R EEN GANC H ADORENC UR SO R EEN GANC H ADORFU ERAD ESE RV ICIO S9 S10 S11 S12 D ISP ARO 51 67 51 67 TRIP TRIP 50 67 50 67 D ISP ARO TRIP D ISP ARO TRIP D ISP ARO FRON TPOR T 1 2 R...

Страница 99: ...GEK 105593C 94 FIGURE 11 RS232 CONNECTION SMOR B WITH PC FIGURE 12 RS232 CONNECTION SMOR B WITH MODEM ...

Страница 100: ...GEK 105593C 95 FIGURE 13 REAR VIEW FOR 19 MODELS 226B7412H10 ...

Страница 101: ... MODELS 4 4 4 4 4 4 4 12 8 10 RS 485 RX G TX 11 O F 9 6 RS 232 7 5 12 12 12 12 12 12 8 8 8 8 8 8 10 10 10 11 11 11 9 9 9 10 10 10 11 11 11 9 9 9 6 6 6 7 7 7 5 5 5 6 6 6 7 7 7 5 5 5 H 2 3 IRIG B 1 C B A GF E D 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 ...

Страница 102: ...GEK 105593C 97 FIGURE 15 DIMENSIONS DIAGRAM FOR 19 MODELS 226B6086H10 ...

Страница 103: ...GEK 105593C 98 FIGURE 16 DIMENSIONS DIAGRAM FOR RACK MODELS DIMENSIONES EN m m DIMENSIONS IN m m 271 200 5 260 3 185 4 176 101 5 29 3 30 5 222 176 ...

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