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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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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 &...
Basic Electrical

Switch Types & their Working Principle

Table of ContentsWhat is Switch?Characteristics of SwitchesMechanical SwitchesTypes of Mechanical Switches1). SPST - Single Pole Single Throw Switch2). SPDT - Single Pole Double Throw Switch3). DPST - Double Pole Single Throw Switch4). DPDT - Double Pole Double Throw Switch5). Pressure Switch6). Toggle Switch7). Limit...
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Electrical Interview

Electrical License Test: Key Questions and Answers

1). What are the required clearances for 33 kV systems? The clearances for 33 kV...
Electrical Calculators

Parallel Transformer Fault Analysis: Excel Calculator

Fault level calculation is an important step in ensuring the safety & reliability of an...
Electrical Procedures

Busbar Testing Procedure

Purpose The purpose of this method is to verify the functionalities of a Metal Enclosed...
Batteries

Battery Inspection Checklist

Battery inspections are essential for ensuring the longevity and effective operation of electrical systems,...
Electrical Notes & Articles

HT VCB Panel Datasheet

A Vacuum Circuit Breaker (VCB) panel is used to protect transformers. VCB panels are carefully...
Software

Step-by-Step Procedure for How to Communicate a Servo Drive Controller with Siemens PLC

What is a Servo Motor? A servo motor is an electric motor that can accurately...
Transformers

Zig-Zag Transformer: Definition, Function, and Uses

What is ZigZag Transformer? A zig-zag transformer is utilized to provide grounding for the transformer....
Electrical Safety

Electrical Hazards Checklist

The purpose of this checklist is to give a comprehensive guide for assessing the...
Electrical Calculators

Resistivity Calculator

With the help of this calculator, you can determine the resistivity of a component...
Electrical Procedures

Motor Control Center (MCC) Testing and Commissioning Procedure

Table of ContentsPurposeRequired ToolsPre-Commissioning Procedure for the Motor Control CenterMCC TestingInsulation Resistance Test (IR...
Protection

Top 22 Safety Guidelines for Electrical Testing and Commissioning

The safety of those who are conducting tests and those who are working on...
Electrical Interview

Basic Electrical Interview Questions

1). What is Static Electricity? Static electricity refers to the accumulation of electric charge on...
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Latest articles

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...
Switchgear

RCD (Residual Current Device) Testing Procedure

What is an RCD? RCD - Residual Current Device A Residual Current Device (RCD) is a...
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