ORION ITALIA IPR-D, Инструкция по эксплуатации

Страница: 27 / 53

Chapter 4: "SETPOINTS" Menu
CURRENT PROTECTION RELAY - IPR-D Manual P/N: IPR-D GBM 01/09/2006 4.3
4.2 Setpoints page 2: SYSTEM SETUP
SETPOINTS PAGE 2
SYSTEM SETUP This page allows entering the IPR-D parameter values for the system in which it will
operate.
SAMPLING
FREQUENCY: 50 Hz RANGE:
.....................................................................................................
50 Hz; 60 Hz
Enter the system frequency.
GROUND CT RATING
PRIMARY: 50 A RANGE:
.......................................................................................................
5 A
÷
5000 A
STEPS:
.........................................................................................................................
5 A
Enter the primary current rating of the ground CT being used.
OUT OF SERVICE
ON AUX3: YES When selecting YES AUX3 relay will perform the SERVICE function: once the power is
applied, the relay will make AUX3 react and the related contact will be opened. In case of
fault of the relay (OUT OF SERVICE led “On”) or of loss of power supply, AUX3 will pass
to stand-by position and close its contact.
When selecting
NO AUX 3 will be managed as AUX1, AUX2 and TRIP; remark that,
unlike these last ones, AUX3 contact is normally closed.
BLOCK TRIP
DELAY: 0.15 S Enter the time of TRIP intervention blocking.
For enabling BLOCK TRIP function a digital input must be configured as BLOCK TRIP
(see setpoint page 6 DIGITAL INPUT)
BREAKER DISCREP.
RELAY: – – – – It allows selecting the output signalling the discrepancy between the trip command sent
by the protection relay and the signal received at the BREAKER STATUS input from the
circuit breaker or disconnector auxiliary contact.
This error information signals that the trip command has not provoked the opening or that
the auxiliary contact (52a) does not operate properly.
Disable this function in case of no connection between 52a auxiliary contact and
BREAKER STATUS input.
For disabling the function
⇒
select "– – – –" .
REMARK : The procedure for selection is described at page 4.2
BREAKER DISCREP.
DELAY: 1000 ms
If
"BREAKER DISCREP. RELAY"
≠
– – – –
RANGE:
...............................................................................................
10 ms
÷
2500 ms
STEPS:
....................................................................................................................
10 ms
Delay for the circuit breaker auxiliary contacts to signal the opening. If a correct reply is
not obtained in this delay, an event for circuit breaker discrepancy will be displayed and
the selected contact will activate.
MECH. OPERATIONS
RELAY: – – – – Select the relays to be activated when reaching the max. number of mechanical
operations set in the next Line.
REMARK
: The procedure for selection is described at page 4.2
MECH. OPERATIONS
MAXIMUM: 3000
If
"MECH. OPERATION RELAY"
≠
– – – –
RANGE:
..............................................................................................................
5
÷
9995
STEPS:
.............................................................................................................................
5
Enter the max. number of mechanical operations.
This value represents the granted quantity of mechanical operations carried out by the
circuit breaker and the event indicates that maintenance is required.
END OF PAGE Last LINE of PAGE 2.
Press
LINE or ▲ PAGE, to pass to the first line of PAGE 3.