Tata Power Interview Questions, Process, and Tips for Experienced

VFD stands for Variable Frequency Drive which controls the speed of an AC motor by varying the frequency and voltage of the power supplied to the motor.

• VFD controls the speed of an AC motor by adjusting the frequency and voltage of the power supplied to the motor.

• It helps in saving energy by matching the motor speed to the actual load requirements.

• VFD provides protection to the motor by monitoring parameters like curre...read more

Interlocks are safety mechanisms that prevent equipment from operating under unsafe conditions.

• Interlocks are used to prevent equipment from starting or operating if certain conditions are not met.

• They can be mechanical, electrical, or software-based.

• Examples include emergency stop buttons, door interlocks, and pressure switches.

• Interlocks are important for ensuring the safety of personnel and preventing damage to equi...read more

Protection of equipments is crucial for their longevity and efficient functioning.

• Equipments should be protected from power surges and voltage fluctuations.

• Regular maintenance and servicing should be carried out to prevent breakdowns.

• Proper grounding and earthing should be ensured to prevent electrical hazards.

• Use of protective gear and safety measures should be followed while handling equipments.

• Installation of backup...read more