Microcomputer Protection relay

Microcomputer Protection relay are used in 10kv-35kv SF6 and vacuum switchgear.they can contral SF6 and Vacuum breaker.

Microcomputer Protection relay

Summary of Tests Performed: ARGUS RELAY (7SG1114-OEA12-0DA0) 

HIGH VOLTAGE TEST

3.5kV ~for 1 sec All against Earth 

3.5kV~for 1 sec between Adjacent Circuits

1kV~for 10 sec across Open Contacts

CALIBRATION

REAL TIME CLOCK 

TIMING TEST( NI)

Normal settings 

(1A Tap, 2×(2A)±5%, 10×(10A) ±5%,5A Tap, 2×(10A) ±5%)

Low Settings

(1A Tap2×(500Ma) ±5%)

Starters

(1A Tap2(5A)7-22mS)

(SEF DTL (Current Setting“0.1”,Delay “1”)1A Tap 2×(2A) ±5%

5A Tap 2×(10A) ±5%

ANALOGUE TRANSDUCER POLARITY 

CURRENT ANALOGUE METERS

1A Tap @ 500±20mA, 1000±30mA, and 5000±150mA

(SEF 1A Tap @2000±60mA, 5A Tap @5000±150Ma

BINARY INPUT/OUTPUT OPERATE TEST 

COMMUNICATION TEST

CASE TERMINAL TESTS

USER INTERFACE ;

Microcomputer Protection relay