NTPC-Sail Power Company Electrical Site Engineer Interview Questions and Answers

MCC stands for Motor Control Center and is used for controlling motors, while PCC stands for Power Control Center and is used for controlling power distribution.

• MCC is used for controlling motors, while PCC is used for controlling power distribution.

• MCC typically contains motor starters, drives, and control devices, while PCC contains circuit breakers, switches, and other power distribution components.

• MCC is usually lo...read more

OLR setting value refers to the setting of the Overload Relay in an electrical system.

• OLR setting value is the threshold at which the Overload Relay will trip and disconnect the circuit to protect the equipment from damage.

• It is typically set based on the maximum current that the equipment can safely handle.

• The OLR setting value can be adjusted based on the specific requirements of the equipment and the application.

• For...read more