Técnicas Reunidas Senior Electrical Engineer Interview Questions and Answers for Freshers

Bus bar schemes are different ways of connecting bus bars in power systems.

• Single bus bar scheme

• Double bus bar scheme

• Main and transfer bus bar scheme

• Ring bus bar scheme

• Breaker and a half scheme

• Mesh bus bar scheme

The equipment sequence for any line bay starts with the circuit breaker and ends with the transformer.

• The circuit breaker is the first equipment in the sequence.

• Next comes the isolator switch.

• After that, the earth switch is operated.

• Then the line disconnector is opened.

• Finally, the transformer is disconnected from the line.

• The sequence is reversed when the line bay is put back into service.

I manage pressure by prioritizing tasks, maintaining clear communication, and practicing stress-relief techniques.

• Prioritization: I use tools like the Eisenhower Matrix to identify urgent and important tasks, ensuring I focus on what truly matters.

• Time Management: I break projects into smaller tasks with deadlines, which helps me avoid feeling overwhelmed.

• Clear Communication: I keep stakeholders informed about progress...read more

HVDC is a technology used to transmit high voltage DC power over long distances. Offshore connections refer to power transmission from offshore wind farms.

• HVDC is more efficient than AC transmission over long distances

• Offshore connections require specialized equipment and installation techniques

• HVDC is used for offshore connections to transmit power from offshore wind farms to the mainland

• Examples of HVDC projects incl...read more

System studies involve analyzing and evaluating the performance of electrical systems to ensure efficiency and reliability.

• System studies involve analyzing the behavior of electrical systems under different operating conditions.

• They help identify potential issues and optimize the performance of the system.

• Examples of system studies include load flow analysis, short circuit analysis, and protection coordination studies.

Load flow study is a method used in electrical engineering to analyze and calculate the flow of power in an electrical network.

• Load flow study helps in determining the steady-state operating conditions of a power system.

• It involves calculating the voltage magnitude and phase angle at each bus in the network.

• The study considers factors like power generation, transmission line losses, and load demand.

• It helps in identify...read more