Transformer Protection Quiz

What is the primary function of the VIP 40/45 protection relay?

• Overload protection for transformers

• Power factor correction

• Voltage regulation

• Frequency modulation

Which of the following is a feature of the VIP 410?

• Self-powered operation

• Requires external power for operation

• No communication capabilities

• Limited to 100A circuit breakers

What type of communication port does the VIP 410 utilize?

• RS232

• Ethernet

• Modbus RS485

• USB

What is the maximum setting range for phase overcurrent protection in VIP 400?

• 5A to 100A

• 10A to 150A

• 5A to 200A

• 1A to 50A

Which protection function is indicated by ANSI 51N?

• Phase overcurrent

• Earth fault phase

• Cold load pick-up

• Thermal overload

What is the purpose of the trip circuit supervision (ANSI 74TC)?

• To provide remote access

• To measure the current

• To supervise the integrity of the trip circuit

• To monitor the voltage levels

What is the minimum load current required to activate the VIP 40?

• 6A

• 8A

• 4A

• 2A

Which VIP model is designed for buildings and MV/LV substation utilities?

• VIP 40

• VIP 45

• VIP 400

• VIP 410

What type of sensors does the VIP integrated protection system use?

• High sensitivity sensors

• Pressure sensors

• Low voltage sensors

• Thermal sensors

What is the maximum operating temperature for the VIP protection relays?

• 40°C

• 25°C

• 70°C

• 0°C