Protection Relay Testing

 Protection Relay Testing

1. Simplified diagram

2. Protection Relay Testing – Typical Relay Test Set

3. Protection Relay Testing

a. Connect the current output from the Relay Test Set (RTS) to the current transformer terminal on the protection relay.

b. Connect the timer stop contact input on the Relay Test Set to the trip contact on the protection relay.

c. Turn on the current output of the RTS and adjust the current as required.

d. Turn on the current output of the RTS along with the timer. The current output and timer on the RTS will stop automatically when the relay trips.

e. The relay operating time will be displayed on the RTS LCD screen.

4. Protection Relay Testing –OCEF (MikroMK1000A)

5. Protection Relay Testing –OCEF (DELAB DP34)

6. Protection Relay Testing - ELR

7. Protection Relay Testing - OCEF: example of test report

8. Protection Relay Testing: ST Borang H (JPE)

Note refer from: Ir. Jamil Ahmad Radziyan (Warna RS Sdn Bhd)