Sree Metaliks Junior Engineer Electrical Interview Questions and Answers

Synchronisation process of a plant involves matching the frequency, voltage, and phase angle of the incoming generator with the grid.

• Ensure the generator frequency matches the grid frequency (50Hz or 60Hz).

• Match the voltage levels of the generator with the grid.

• Adjust the phase angle of the generator to synchronize with the grid.

• Use synchronizing equipment like synchroscope or synchronizing lamps to ensure proper synch...read more

Alternator and transformer protection systems are essential for preventing damage and ensuring safe operation.

• Alternator protection systems typically include overcurrent, overvoltage, and reverse power protection to safeguard the alternator from damage.

• Transformer protection systems often involve differential protection, overcurrent protection, and temperature monitoring to prevent overheating and insulation breakdown.

• ...read more

Synchronisation of generator involves aligning the speed and phase of the generator with the grid before connecting them. Motor protection and maintenance are crucial for ensuring the longevity and efficiency of the motor.

• Synchronisation of generator involves matching the frequency, voltage, and phase angle of the generator with the grid before connecting them.

• Motor protection includes measures such as overload protect...read more