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Содержание CEY52B

Страница 1: ...INSTRUCTION S GEK 45495 U MHO DISTANCE RELAY TYPE CEY52B GENERALS ELECTRIC ...

Страница 2: ...RATING PRINCIPLES 4 CHARACT RISEILS 5 BURDENS 7 LALCULA1 iON OF SETTINGS 7 UONSTRUCT ION N RECEIVING HANDLING AND STORAGE 8 ACLEPTANCE TESTS 9 ASTALLATION PROCEDURE 11 INSPECTION 14 PLRIODIC CHECKS AND ROUTINE MAINTENANCE 14 SERVICING 15 RENEWAL PARTS 17 S to C CD to to S ...

Страница 3: ...to provide time delay protection for any fault that provides zero voltage at the relay The protection should be supplemented by other devices to detect this condition if protection for this contingency is required The section under CALCULATION OF SETTINGS provides a worked example for determining the settings of the CEYS2B in a typical application Once the settings have been calculated the taps ar...

Страница 4: ...amp Carry 30 amps for 0 03_ i 0 5 sec 4 0 sec Carry 10 amps for 0 25 sec 4 0 sec 30 0 sec 0 C Resistance lOt 7 0 ohms 0 6 ohms 0 13 ohms 60 Cycle Impedance 52 ohms 6 0 ohms 0 53 ohms OPERATING PRINCIPLES The nihc units of the CEY52 relay are of the four pole induction cylinder construction in which torque o roduced ty the interaction between a polarizing flux and fluxes proportional to the restrai...

Страница 5: ...with resulting increase in reach to approximately 120 percent of its reach at 60 degrees for the same tap setting Ths is shown iy the dotted characteristic in Fig 6 irec iunal Action TihO unit is carefully adjusted to have correct directional action under steady state low voltage low current conditions For faults in the non tripping direction the contacts will remain open at eri volts between 0 an...

Страница 6: ...nd tripping is delayed by the zone 2 setting of the type RPM relay the static characteristic should be used For this application to operate for nearby faults and there will be sufficient voltage to give tripping without depending on memory action 5 Operating Time The operating time of the who unit is determined by a number of factors such as the basic minimum reach setting of the unit fault curren...

Страница 7: ...dance of 0 14 j 0 80 ohms per nile Zpri 50 0 14 jO 80 7 j40 ohm total CT Ratio sec pri PT Ratio z j40 Q 120 0 42 j a ohms ec 2000 Zsec 2 43 80 5 ohms BURDENS CURRENT CIRCUITS The maximum current burden imposed on each current transformer at 5 amperes is listed in Tah1 TABLE V AMPS CYCLES 5 This data is for the 3 0 ohm or 50 cycles will be lower POTENTIAL CIRCUITS R X P F WATTS VA 043 026 0 86 1 08...

Страница 8: ...top and bottom and by a guide pin at the back of the case The connecting plug besides making the electrical connections between the respective blocks of the cradle and case also locks the latch in place The cover which is drawn to the case by thumbscrews holds the connecting plugs in place The target reset mechanism is a part of the cover assembly The relay case is suitable for either semi flush o...

Страница 9: ...ing convolutions do not touch each other 4 With the relay well leveled in its upright position the contacts of all three units must be open The moving contacts of the units should rest against the backstop 5 The armature and contacts of the seal in unit should move freely when operated by hand There should be at least 1 32 inch wipe on the seal in contacts 6 Check the location of the contact brush...

Страница 10: ...the unit to be checked Now reduce the voltage to the value shown in Table X and increase the current gradually until the normally open contacts of the unit just close This should occur within the limits shown Note that the tc screws on the transactor tap blocks are set to the position which gives the basic minimum reach shown in the table Note that for the test conditions the mho units see a phase...

Страница 11: ...ch of the unit should be the same at both 330 degrees and 270 degrees and should be 0 866 times the reach at the angle of maximum torque ELECTRICAL TESTS TARGET SEAL IN The target seal in unit either has an operating coil tapped at 0 6 or 2 0 amperes or tapped at 0 2 or 2 0 amperes depending on model ordered The relay is shipped from the factory with the tap screw in the lowest tap position The op...

Страница 12: ...l tests in this section to check the ohmic pickup of the mho units at the settings which have been made for a particular line section To check the calibration of the mho units it is suggested that the portable test box Cat No 102L201 portable test reactor Cat No 6054975 and test resistor Cat No 6158546 be arranged with Type XLA test plugs according to Fig 14 These connections of the test box and o...

Страница 13: ...autotransforrner tap setting required to close the mho unit contacts with the fault switch closed is 100 88 5 use 88 Tap Ficj 13 should be checked to determine that the test current used is high enough so that the character istic is not off the calculated value because of low current If the ohmic pickup of the mho unit checks correctly according to the above the chances are that the angle of the c...

Страница 14: ...alculated It is then only neces sary to reduce the tap setting of the relay until the mho units operate and see how close the actual tap value found checks with the calculated value The calculated value should take into account the shorter reach of the mho unit at low currents This effect is shown in Fig 8 A shorter test which will check for most of the possible open circuits in the a c portion of...

Страница 15: ...e closing below the set point shown in Table XII the adjusting ring should be turned to the right If they were closing above the set point the adjusting ring should be turned to the left b Ohmic Reach Adjustment The basic minimum reach of the mho units can be adjusted by means of the rheostats which are accessible from the front of the relay Connect the relay as shown in Fig 11 leave the restraint...

Страница 16: ...T LOCATION SETTING l O2TAP 2c2TAP 4 5 TOP 3000 30 Volts 60 Volts 15 Rh MIDDLE 300 30 Volts 60 Volts 15 R12 BOTTOM 300 30 Vol ts 60 Vol ts 15 Rl 3 TABLE XIV PHASE ANGLE METER READING VA B SET AT PICKUP F UNIT ANGLE OF TEST ANGLES 5 lf1 5c2 UNIT h 2 3c UNIT AMPS ADJUST LOCATION MAX TORQUE lc TAP 2 TAP 5 TOP 300 270 and 33Q0 30 60 17 3 R21 MIDDLE 300 270 and 330 30 60 17 3 R22 Lz 300 270 and 330 30 6...

Страница 17: ...ted by inserting the wrench to engage nut 0 which rotates the core A to obtain the values shown under Directional Tests The core may be rotated 360 degrees in either direction although it should not be necessary to rotate the core more than a few degrees from its set position RENEWAL PARTS It ii reconinended that sufficient quantities of renewal parts be carried in stock to enable the prompt rep a...

Страница 18: ...495 TARGET SEAL IN UNIT Ru UPPER TAP BLOCK RESTRAINT TAPS R21 MHO UNIT c 2 3 RT3 R23 LOWER TAP BLOCK RESTRAINT TAPS MHO UNIT 3 1 PIG I 8036590 MHO DISTANCE RELAY REMOVED FROM CASE FRONT VIEW I MHO UNIT c 2 18 ...

Страница 19: ... E K 45495 I c1 1 2 TAP BLOCK BASIC MIN REACH f 2 3 TAP BLOCK BASIC MIN REACH TAP BLOCK BASiC MIN REACH FIG 2 8O428O7 MHO DISTANCE RELAY REMOVED FROM CASE REAR VIEW 19 ...

Страница 20: ... a I m m a a r J C m 1 a 1 a I rn C r l C F r l STATIC AND DYNAMIC ACCURACY OF TYPE CEY52B MHO UNIT AT ANGLE OF AAXIMUM TOR2UE 600 LA G STATIC CHARACtE R 1ST IC DYNAMIC CHARACTE RISTIC I m U U I3 ZMNIMUM ...

Страница 21: ...TLINE CEYS2I3 0269A3027 017647336 CEX 2013 024 6A6R30 0x6A3824 54441713 020A 24 31 4 6209274 102L2I8 Gil OIO4ABS23 AUERNACE I3 2i L F P FIG 4 0108B8961 O SH 1 2 TYPICAL EXTERNAL CONNECTIONS FOR THE CEY52B RELAY I II I V 1 5 L 15 __ 1 5 I t yr IP_9_ø2 1 5 S S L1 U r r I I REST IT U 03 I 0 cli TU NOTE 7 W1 N IJ INc AIJVILIARY TRIP RELAY ç94 TO RP TWO SAP AlIAS IJE 4LrE4AIE CONNECTION 0 ONNECT A 0 C ...

Страница 22: ...GEK 45495 E P CL E 2 Hi 8A55 SCHEMATIC COM4ECTIONS OF IYPICAL M2 UNIT 0 B CK FL 0 TING I rDI I TM RESTFAINT TAP SETTING FRONT 2 ...

Страница 23: ... I 1 25 GEK 45495 R OHMS r 5ETT I NO J I flUC I L JI I _ 1 0 600 SETTING 1 0 OHM 75 I 50 Y I I 1 I 25 1 25 50 75 FIG 6 0178A8174 O IMPEDANCE CHARACTERISTIC OF MHO UNIT ...

Страница 24: ...GEK 45495 FETPANT TAP ETTINC PE RAI N T TAP PETT NC FIC 7 0208A3751 P TAP BLOCK ARRANGEMENT AND SETTINGS r L_ EIE 2 24 ...

Страница 25: ... 4 1 01 5 I 01 01 TN FE CEY 5213 MO UNI OPERATIN TIME MAXIMUM TQRoUE ANGLE 60 LAG AND IO0 RESTRAINT TAP SETTING RELAY VOLTAGE BEFORE FAULT 120 OLTS 4 fl NJ a J 1_U J L L z LU F z LU CL 0 LU 4 c LU 4 S 4 2 0 200 1 30 Z MINIMUM ...

Страница 26: ...CK NOTE AFTER ENGAGING AUXILIARY BRUSH CONNECTING PLUG TRAVELS INCH BEFORE ENGAGING THE MA1N BRUSH ON THE TERMINAL BLOCK CROSS SECTION OF DRAWOUT CASE SHOWING POSITION OF AUXILIARY BRUSH AND SHORTING BAR AUXILIARY BRUSH I TERMINAL BLOcK SHORTING BAR 26 ...

Страница 27: ... I C C A II H cc c z zz cr 0 rn z ri Hft a a 0 a r 1 P1 I a a N3 P1 a 1 a a a a cJl NJ a Jo a Jo __ j cOC a 7c U o 0 ...

Страница 28: ...GEK 45495 PHASE ANGLE METER READS THE ANGLE THAT THE CURRENT LEADS THE VOLTAGE I O1 A 1 1 l TES NN CITONS OR CHECKING THE CORRECT MHO UNIT C TION VARIAC A B C D 30 LOV 14 9 28 ...

Страница 29: ...GEK 4 5495 x R 3 12 U195A992 O DIAGRAM SHOWING REACH OF MHO UNIT AT ANGLE OF TEST REACTOR TWICE UNIT REACH AT TEST 2 IN M TAP 29 ...

Страница 30: ...MPER LOCATION RELAY JNIT LEAD A LLEAD B IjIEAD C LEAD D STUDS TOf 01 2 14 15 13 16 17 5 6 C MIDDLE 0 2 3 13 16 17 18 19 20 7 8OTTOIJ Wji 18 19 20 14 15 5 6 1O 1 LEAD A LEAD B RS LOAD BOX 115 VOLTS SYSTEM FREQ 4 LEAD D LEAD C FG 3 O 54Y1i_ M JIT TLT CONNLCIrONS ...

Страница 31: ...N flD E VHd D HD 01 d N 19NV SVHd 01 SNOIID NNOD q 3DV110A 3 T SVHd GNV LN3ddflD I VNd D3HD 01 d 13r 19NV 3SVHd 01 SNOJID NNOD fl1d 1SI 3I Oflid 1s31 1 GD 1I1d S1 dO 03 31 L 6 1 J 3iS3G OdJZ 0V3d O1flOHS d313b 31NV 3VHd Il U di13r 31JNV ISVl ld 0 SNOIIDINNOD IAO8V HuM GD 8 V Dfl1d ISIC I O8 d 13Y 1ONV ISVHd 10 DdflOS 1110 MOld 118 NOIIVIS d VJd8 GNV SA 1I V GD X1ld IS dO 103C0 3I 0 96t79t7 N3J ...

Страница 32: ... UPPER PIVOT AS SE M B LY SPRING ADJUSTING RING STATIONARY CONTACT CONTROL SPRING FIG 15 8034958 FOUR POLE INDUCTION CYLINDER UNIT TYPIFING CONSTRUCTION IN T9E CEY5213 RELAY I A 4 I MOV I N G CONTACT BACKSTQp 32 ...

Страница 33: ...NG FQ JR FACE MO I HJC PNT V1EV 1 F 16 0178A7336 4 OUTLINE AND PANEL DRILLING DIMENSIONS EOR ThE CEYb B RELO IJiAT ION IC 2 F5H SURFACE RE MTG r IThD OUTLINE J L9MM 10 3 X 75 M1C SC RE WS 6 LI 33 11k CUTOUT S 25__ __ MAY __E 37M REPLACE L____ 6 S DRILLED HOL5 OPTIO AL 9 75 PA N EL Is STUD 6 CI 502MM 19 75 VIEW SHOWING AEBLY OF H RDWARF FOR SU1FACE MTG ON S rEEL PANELS indicates Revision 33 ...

Страница 34: ...cc Lfl C I r C c i Dc D I j C C m C C 0 cm c i 9 I U ...

Страница 35: ......

Страница 36: ...GE Power Management 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 www ge comlindsyslpm ...

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