Manish Electricals Electrical Engineer Interview Questions, Process, and Tips

Working in a 33 kV substation involves maintenance, troubleshooting, and ensuring safe operation of electrical equipment.

• Performing routine maintenance on transformers, circuit breakers, and other equipment

• Troubleshooting electrical issues and making necessary repairs

• Ensuring proper grounding and safety measures are in place

• Coordinating with other team members to ensure smooth operation of the substation

• Following safet...read more

The number of circuit breakers in a 33 kV panel varies depending on the design and requirements of the system.

• The number of circuit breakers in a 33 kV panel can range from 1 to multiple, depending on the configuration of the panel and the specific needs of the electrical system.

• The number of circuit breakers may be determined by factors such as the number of feeders, the type of protection required, and the overall de...read more

A circuit breaker is a device that automatically interrupts an electrical circuit when it detects a fault or overload.

• Circuit breakers are designed to protect electrical circuits from damage caused by excess current or short circuits.

• There are different types of circuit breakers, including thermal-magnetic, magnetic, and hydraulic-magnetic.

• Examples of circuit breaker manufacturers include Siemens, Schneider Electric, a

LT lines are low tension lines used for distributing electricity to residential and small commercial areas, while HT lines are high tension lines used for transmitting electricity over long distances.

• LT lines have lower voltage levels (typically up to 440V), while HT lines have higher voltage levels (typically above 11kV).

• LT lines are used for local distribution within a small area, while HT lines are used for transmit...read more

The number of transformers used is determined by the total load requirement and the capacity of each transformer.

• The number of transformers used depends on the total load requirement in kVA or MVA.

• Transformers are typically sized in kVA (kilovolt-amperes) or MVA (megavolt-amperes) based on the load they need to support.

• For example, if a facility requires 3000 kVA of power and each transformer has a capacity of 1000 kVA...read more