Premier Energies Electrical Maintenance Engineer Interview Questions and Answers

There are three main types of high circuit breakers in high line: air circuit breakers, oil circuit breakers, and SF6 circuit breakers.

• Air circuit breakers use air as the arc extinguishing medium.

• Oil circuit breakers use oil as the arc extinguishing medium.

• SF6 circuit breakers use sulfur hexafluoride gas as the arc extinguishing medium.

To find current in three phase, use the formula: Current = Power / (sqrt(3) * Voltage * Power Factor)

• Calculate the total power in the three phase system

• Determine the line-to-line voltage

• Find the power factor of the system

• Use the formula: Current = Power / (sqrt(3) * Voltage * Power Factor)

Creating a beast environment involves ensuring safety, cleanliness, organization, and proper equipment maintenance.

• Regularly inspect and maintain equipment to prevent breakdowns

• Implement safety protocols and provide proper training to employees

• Maintain a clean and organized workspace to prevent accidents and increase efficiency

• Encourage open communication and collaboration among team members

• Provide necessary resources ...read more