Andhra Paper Interview Questions, Process, and Tips

A 132kV switch yard single line drawing shows the layout of electrical components and connections in a high voltage switch yard.

• Include details of the incoming and outgoing lines connected to the switch yard

• Show the location of circuit breakers, isolators, transformers, and other equipment

• Indicate the protection and control systems used in the switch yard

• Include any busbars, disconnectors, and surge arresters in the la

Generator protection schemes are designed to prevent damage to the generator and ensure safe operation.

• Differential protection: compares currents at both ends of the generator winding to detect internal faults

• Overcurrent protection: trips the generator if current exceeds a certain threshold

• Loss of excitation protection: detects loss of excitation voltage and trips the generator to prevent damage

• Reverse power protection...read more