Terasaki - Air Circuit Breaker - 40 / 70 Pages

5-5. OCR Function Check
_A CAUTION_
• < icr fimelaai L-licok aiu: 'Oiling ehaiiee- "in.: he iieiloimed hi coiii|Vlont persons.
• Use a small fkitblade sci\™ iii i\er \i illi a !uri|iie i>f"iinl nam ihaii (). i Vni or a ftniv hi' mil imm than I). i N when adjusting llie senilis Miilelies luilaii slcp snireln.. in- .lide mi i idles j. An e\e,:ssii e linque nr ftiree nun eausc a ma i function.
• Alter eii[T]|ile:ii>:. W'ocr ie.1.. he sine h> ielu::l se;liil;j v.irehes li> I he niieiin;! yn-ihial-. i ailuve :u do mi illai eau~e a
The following function Check i. applicable In the OCR types that require control power. To test other types of OCR, use type ANU-I OCR checker (optional). See Fig. 39 and Tables 24 and 25 for how ttest the OCR.
TEST MODE select «'/lq , test reset
□ "-[ Zl □ C D ]
Fig. 39 Test buttons
push to hi trip № trip
Table 24 Testing instructions
Stop
Lonq time delay trip. Pretrip alarm
S-n........t : t .-i.-1 I- :). !ns';nlaic漡.s !■!:>
OCR only
OCR + ACB
OCR only
Open [Turn OFF)
2
Breaker body
Mtivti to BOf'LiVfil) ■!" ;;■:>:.
e control power).
i Keep open OFF). | Close
(Turn ON). I eepoi ■ ■..
down until ACB trips
Do not press.
»--
check that OCR does not operate and close ACB. '1
NON TRIP button
down until OCR
Do not press.
Press and hold down until OCR
„„„,„,,
RESET button
---■
OCR provides
OCR provides
OCR provides ■2
OCR provides
OCR provides
OCR input signal value
AGR-11L [fcrl"5, AGR-11S Vcii-lb
[fell - 25
s5
s. 31. S3?37. M) ando
m to rKUIti with IKs
Table 25 Protective functions that can be checked and OCR setting changes to be done
Type ol OCR
Setting tor test
|/,al: NON. [ili 14 or more. |HOT/COLO|: COLD
iU. M: 8 or more
AGI'i 11. .Afi:i ! IR. AGI? IIS
|J„|: NO,\. i-.O-tv ;..„|: OFF
|INST(MCR|: INST
AGR-11L.AGR-11 R. AGR-1 IS
[INSTMCR]: MCR
p,.„1p„,™
['»
NON, |/,o|: NON. [1,1: 1-1 er iT-ore. MOT.'COLDl: COLD
,| o: m!.-.: [■■.]: SciiT.ore
AGR-1 IS
Terasaki - Air Circuit Breaker
  1. P. 1

  2. P. 35

    Long time delay tripShort time delay trip, instantaneous tripand pretrip alarmN-phase protection trip and ground fault trip Note 1:The operating time (...
  3. P. 36

    Long time delay tripShort time delay trip, instantaneous tripand pretrip alarmN-phase protection trip and ground fault tripFig. 35 Characteristic curves...
  4. P. 37

    5-3-3. S characteristic for generator protection A general view, characteristic settings, and characteristic curves of the type AGR-11S OCR (with S characteristic)...
  5. P. 38

    Long time delay trip, short time delay tripand instantaneous tripPretrip alarmFig. 37 Characteristic curves of type AGR-11S OCR (with S characteristic)...
  6. P. 39

    5-4. Operation Indication and Indication Resetting Procedure The OCR has LEDs on the front panel to provide operation indications as shown in Fig. 38...
  7. P. 40

  8. P. 41

    6. MAINTENANCE, INSPECTION AND PARTS REPLACEMENT This chapter describes the maintenance and inspection procedure for the AR series ACBs. The service...
  9. P. 42

    6-1. Inspection Procedures CAUTION ACB maintenance, inspection and parts replacement must be performed by competent persons. Do not touch ACB current...
  10. P. 43

    Table 28 Normal inspection procedure Check point Check item No. Description Check connection conductors, main circuit terminals,...
  11. P. 44

    Table 29 Detailed inspection procedure Check point No. Check item Description Contacts See 6-2-2, 6-2-3 and 6-2-4 1 Parting distance...
  12. P. 45

    6-2. Parts Replacement Procedure CAUTION ACB maintenance, inspection and parts replacement must be performed by competent persons. Do not touch ACB current...
  13. P. 46

  14. P. 47

  15. P. 48

  16. P. 49

  17. P. 50

  18. P. 60

  19. P. 70

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