3i Energy Solutions Electrical Project Engineer Interview Questions and Answers

Plant load factor is a measure of the actual output of a power plant compared to its maximum possible output.

• Plant load factor is calculated by dividing the actual energy generated by the plant over a specific period by the maximum possible energy that could have been generated during the same period.

• It is expressed as a percentage and indicates how efficiently a power plant is being utilized.

• A high plant load factor i...read more

Machine availability is the percentage of time a machine is able to be used for its intended purpose.

• Machine availability is calculated by dividing the total operating time by the total time in a given period, then multiplying by 100.

• For example, if a machine operates for 800 hours in a month and there are 1000 total possible operating hours, the availability would be 80%.

• Factors like downtime, maintenance, and repairs

WTG stands for Wind Turbine Generator. Yaw drive system is responsible for orienting the turbine blades into the wind.

• WTG converts wind energy into electrical energy

• Yaw drive system rotates the nacelle to face the wind

• Yaw drive system consists of yaw motor, yaw brake, and yaw bearing

• Yaw motor receives signals from the controller to rotate the nacelle

• Yaw brake holds the nacelle in position during maintenance or high win