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Electrical Interview

Top 25 Pre-Commissioning and Commissioning Interview Q & A

1). What is Pre-Commissioning? Pre-commissioning is the procedure of inspecting, checking and testing equipment prior...
Drives

How to wire a Forward and Reverse Motor Starter?

Forward-reverse motor control is one of the most fundamental and widely applied circuits in...
Electrical How to

Causes of XLPE Power Cable Failures

Cross-linked polyethylene (XLPE) insulated power cables are the backbone of modern electrical distribution and...
Transmission

Gas Insulated Bus (GIB): Construction, Working & Applications

What is a Gas Insulated Bus (GIB)? A Gas Insulated Bus is commonly abbreviated as...
Electrical Procedures

HOTO – Handing Over / Taking Over Procedure

In electrical and solar power projects, HOTO stands for Handing Over and Taking Over.  Table...
Electrical Procedures

Earth Resistance Test

Earth Resistance Test An Earth Resistance Test is a fundamental electrical safety measurement used to...
Drives

VFD (Variable Frequency Drive) Fault Codes

What is a VFD (Variable Frequency Drive)? A Variable Frequency Drive (VFD) controls AC induction...
Electrical Tools

What is an Electrical Fastener? Explain Types of Electrical Fasteners

What is an Electrical Fastener? Electrical fastener is a mechanical components that hold  Conductors,  Devices,  Enclosures and  Support hardware  securely...
Switchgear

Vacuum Circuit Breaker (VCB) Commissioning Test Report

This document gives a comprehensive technical test report template and guidance for Vacuum Circuit...
Electrical Calculators

Ripple Voltage Calculator

Every rectifier circuit that converts alternating current (AC) to direct current (DC) produces an...
Generators

DG Synchronization with Step-by-Step Procedure

Diesel Generator (DG) synchronization is the controlled process of connecting a diesel-driven alternator to...
Switchgear

What is Balanced Beam Type Relay?

What is Balanced Beam Type Relay? In contrast to an attraction armature type relay, a...
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