PIW MRMU

What are the DA facility equipments installed in MRMU substation?

• RTU

• RCB

• EFI

• All of the above

What is the cable specification for grounding cable?

• 1 core, 6 mm², non-armoured

• 4 core, 1 mm², non-armoured

• 2 core, 4 mm², armoured

• 1 core, 6 mm², armoured

Which statement is NOT true regarding MRMU Multipin?

• Multipin plug in connector has 19 core

• Transformer feeder can be controlled by SCADA

• MRMU Multipin also known as MRMU Remote-Local

• Earth switch can be controlled by SCADA

What type of cable is this?

• AC cable

• I/O cable

• Multipin cable

• DC cable

What is the purpose of RCB?

• To detect earth fault

• Provide safer switching method for AP

• To transmit and receive data to Master System

• Act as a communication medium

What is the test carried out during shutdown for PIW MRMU?

• Factory acceptance test (FAT)

• Primary injection test

• Site acceptance test (SAT)

• Insulation resistance test

What type of RCB is this?

• RCB Multipin

• RCB Conventional

What is the I/O cable size for EFI?

• 2 core, 2mm² non-armoured

• 4 core, 1mm² non-armoured

• 2 core, 1.5 mm² non-armoured

• 4 core, 1mm² armoured

Which is true regarding AC cable for battery charger?

• Red colour is for line conductor

• Cable size is 4 core, 4mm² coloured armoured

• Only 3 cores of cable is used

• All of the above

What is the voltage of battery charger used in MRMU substation 11KV?

• 20V

• 110V

• 30V

• 50V