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Rabert T

As an electrical engineer with 5 years of experience, I focus on transformer and circuit breaker reliability in 110/33-11kV and 33/11kV substations. I am a professional electrical engineer with experience in transformer service and maintenance. I understand electrical principles and have expertise troubleshooting, repairing, and maintaining transformers, circuit breakers, and testing them.
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Electrical Interview

Power Electronics Interview Questions

1). What is a Power Amplifier? A power amplifier amplifies weak signal until it has enough power to drive an output device, such as a loudspeaker. 2). What are the Characteristics of a Power Amplifier? Impedance matching to provide maximum power to load. Power transistors are required to tolerate...
Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase difference and wire configuration of the transformer.  Table of ContentsWhat is Vector Group of Transformer?Phase Displacement between HV & LV WindingsPhase Shift of TransformerWhy is Vector Group Important?Common Vector Groups &...
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Switchgear

Medium Voltage (MV) Switchgear Operation: Safety Precautions and Procedures

Table of ContentsIntroduction  Hazards of Operating on Electrical Equipment  Impact of Hazards on Switchgear OperationsClose ProximitySafety...
Electrical Calculators

Motor Efficiency Calculator

A motor efficiency calculator normally requires input of essential characteristics such as the motor's...
Transmission

Types of Electrical Substations and Functions

Table of ContentsWhat is a Substation?Importance of SubstationTypes of SubstationsTypes of Substations according to...
Electrical How to

How to Measure Current using Arduino and Current Sensor?

Table of ContentsOverviewACS712 Current Sensor Pin Diagram of ACS712 Current Sensor Types of ACS712 Current SensorsSelecting...
Transformers

Working Principles of Center-Tapped Transformers: An Overview

Table of ContentsCenter-Tapped TransformerWorking Principle of a Center Tapped TransformerConstruction of Center Tapped TransformerWorking...
Electric Motors

12-Steps to Improve Motor Efficiency

Table of ContentsWhat is Electric Motor Efficiency?Motor Efficiency SymbolMotor Efficiency FormulaBasic Motor PartsLosses in...
Switchgear

How to Test a Relay? Checking SSR & Coil Relays

Table of ContentsWhat is a Relay?What is the principle of a Relay?Terminals of RelayTerminal...
Generators

8 Step-by-Step Guide to Determine Generator Requirements

Table of ContentsOverview1). Generator Impedances2). Excitation System3). Output Voltage Variations4). Efficiency5). Generator Cooling6). Generator...
Electrical Projects

GSM based Substation Monitoring and Control System

Table of ContentsOverview              Introduction                 Methodology Block DiagramModeling and Analysis Design ProcedureGSM Interfacing with MicrocontrollerHardware Implementation - Primary ComponentsSoftware...
Batteries

Step-by-Step Procedure of Effective Battery Maintenance Techniques

Table of ContentsDifferent Types of BatteriesWhat are the 7 parts of a Battery?Preparation Essentials:...
Distribution

Power Distribution Line Repair: Essential Maintenance Techniques Explained

Table of ContentsOverviewPreparation for the Repair & Maintenance of Power Distribution Lines Maintenance Tools for Power...
Electrical Procedures

What is Hipot Testing? Explain the Step-by-Step Procedure for Hipot Testing (Dielectric Strength Test)

Table of ContentsWhat is Hipot Testing?Importance of Hipot TestWhy Hipot Testing is Important?How Hipot...
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Electrical Interview

Power Electronics Interview Questions

1). What is a Power Amplifier? A power amplifier amplifies weak signal until it has...
Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase...
Basic Electrical

Switch Types & their Working Principle

Table of ContentsWhat is Switch?Characteristics of SwitchesMechanical SwitchesTypes of Mechanical Switches1). SPST - Single...
Batteries

Battery Testing Procedure

Battery Testing Battery testing comprises measuring the voltage, capacity, & other parameters of the battery with the...
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