Substation Operator

Substation Operator Interview Questions and Answers

Updated 17 May 2023

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Q1. What are the different types of protections used in 110 kV feeders

Ans.

Different types of protections used in 110 kV feeders

  • Overcurrent protection

  • Distance protection

  • Differential protection

  • Directional overcurrent protection

  • Earth fault protection

  • Under/overvoltage protection

Q2. Power distribution relative

Ans.

Power distribution is the process of delivering electricity from the source to the end-users.

  • Power distribution involves the transmission of electricity from power plants to substations

  • Substations then distribute the electricity to transformers, which reduce the voltage for use in homes and businesses

  • Power distribution also involves monitoring and maintaining the electrical grid to ensure reliability and safety

  • Examples of power distribution equipment include transformers, cir...read more

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