Westinghouse HKB Instructions Manual Download | Manualshive

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Fiq. 5-Typical Reclos�ng Circuits for the Type HKB Single Pole Carrier Relaying Scheme.

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Summary of Contents for HKB

Page 1: ... Relay 3 Type SGR 12 Reclosing Relays as Req as Req Type SG and MG Auxiliary Relays NEW INFORMATION This list does not include phase and ground back up relays which provide an independent relay system OPERATION The schematic connections for a typical type HKB single pole system is shown in figs 3 to 6 The type HKB relay itself operates in the same manner as described in I L 41 600 3 The common tri...

Page 2: ...ground faults than for 2 X X Fig 2 0perating Characteristics of the Type HZM 3 Relay on Single Line to Ground Faults plotted on an a X Diagram phase faults On phase faults the delta relay voltage is almost completely collapsed as compared to a collapse of not more than 57 for ground faults Thus for heavy close in ground faults the impedance seen by the relay will be outside the relay setting The t...

Page 3: ... For I L 41 600 7 a phasc pole the A to ground fault which trips phase A high speed breaker switch 52bb will close to immediately reclose this pole The breaker auxiliary closing relay closes its contact 52X to energize 79X 0 coil This is the operating coil of the toggle element in the type SGR 12 reclosing relay Contact 79X in the closing circuit is thus opened to pre vent further reclosing of pol...

Page 4: ...g out reclosure of all three breaker poles This b switch which energizes the SGF relay must be set so that it never closes on a 4 STATION 8us 5 r 3 I t 3 t 1Nr ON f rru ff li Z Z 1 t _ s 8 X 10 H 11 X _ X 15 16 1 7 1 19 Z O CAA IItlflt SIIoii TUI 1E 3 TE 5T RI 115 1 fba TE ST SOURO 1N HC T M QUS TRIP H Etl SOPPI Ii tl Fiq 3 Typical Carrier Control and Alarm Circuits for the Type HKB Sinqle Pole Ca...

Page 5: ...aker contacts are not l l 41 600 7 fUlly opened but are parted sufficiently to extinguish the arco Correspondingly the breaker auxiliary switch is not completely operated J Fig 4 Typical Reclosing Circuits for the Type HKB Single Pole Carrier Relaying Scheme 5 w w w E l e c t r i c a l P a r t M a n u a l s c o m w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 6: ... C 71 1 8 SU 5 1 SGR H 9 I 361 524 J f II 7 IZ H f n _____________ 1 f t i M 3111 D UG l lisu Sl sGJ s r t c o o f r 7 t SA liS C J S ISO ici C 3XO 52V LOW f ltESSURE Fiq 5 Typical Reclos ng Circuits for the Type HKB Single Pole Carrier Relaying Scheme 6 w w w E l e c t r i c a l P a r t M a n u a l s c o m w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 7: ... CONTACT C L OSED lUG CAli RJER Tt T SLEET CARRIQ C JTfiBQL C RCUJIS CONNECT TO TCl MIHAL 7 f C 411 RICR SCT 1 0 Z 50 4C ONJ Y Fig 6 Typical Carrier Control and Alarm Circuits for the Type HKB Single Pole Carrier Relaying Scheme 7 w w w E l e c t r i c a l P a r t M a n u a l s c o m w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 8: ...WESTINGHOUSE ELECTR IC CORPORATION METER DIVISION e NEWARK N J Printed in U S A w w w E l e c t r i c a l P a r t M a n u a l s c o m w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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