NS Engineers Testing & Commissioning Engineer Interview Questions and Answers

A Single Line Diagram (SLD) of a Substation shows how electrical power is distributed within the substation.

• Include main components like transformers, circuit breakers, disconnect switches, etc.

• Show the flow of electricity from the incoming transmission lines to the outgoing distribution lines.

• Label all components and indicate their ratings and connections.

• Use standard symbols and conventions for clarity.

• Consider safet

A room lighting fixture with a modern design and energy-efficient LED bulbs.

• Consider the size and shape of the room when designing the fixture

• Choose energy-efficient lighting options such as LED bulbs

• Incorporate modern design elements for a sleek look

The question is asking the candidate to draw a connection diagram for a specific electrical system.

• Start by identifying all the components of the electrical system

• Draw a clear and organized diagram showing how each component is connected

• Label each connection and component for clarity

• Ensure the diagram follows standard electrical symbols and conventions

• Double-check the diagram for accuracy and completeness

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