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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

How to Test the DC Resistance of Transformer Windings?

Testing the DC resistance of transformer windings is an essential step in ensuring transformer dependability and performance.  Table of ContentsImportance of DC Resistance TestEquipment RequiredTest PreparationTest ProcedureStep 1: Measurement PointsStep 2: Tap Changer PositionStep 3: Temperature MeasurementStep 4: Choosing the TesterStep 5: Convert Resistance​Precautions While TestingConclusion This...
Excel Tools

Inverse Defined Minimum Time (IDMT) Calculator

Calculator Inverse Defined Minimum Time CalculatorDownload An Inverse Defined Minimum Time (IDMT) Calculator is an online (or) Excel-based tool that calculates the operation time of protective relays using the inverse time characteristics of overcurrent protection systems.  These tools assist in determining the trip time of relays if a...
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Electrical Calculators

RMS Voltage Calculator

What is the RMS value of voltage? The RMS value of a fluctuating voltage or...
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Inductance of Air Core Inductor Calculator

Air core coils with inductors do not require ferromagnetic materials to achieve the desired...
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Zener Diode & Zener Voltage Regulator Calculator

A zener diode is a type of diode that, when the current reaches the...
Electrical Calculators

Parallel Capacitors Calculator

The total parallel capacitance of a circuit can be calculated using a parallel capacitor...
Electrical Calculators

Series Capacitors Calculator

A capacitor is a component that is used in electronics to store electric charge...
Electrical Calculators

Parallel Inductors Calculator

Parallel Inductors calculator is used to determine the equivalent inductance in a parallel circuit....
Electrical Calculators

Series Inductors Calculator

When inductors are connected in series, the identical current flows through each of the...
Electrical Calculators

Series Resistors Calculator

All the resistors in a series circuit share the same current, and this current...
Electrical Calculators

Parallel Resistors Calculator

A parallel circuit can be identified by the presence of a consistent potential difference...
Electrical Calculators

Skin Effect Calculator

What is Skin Effect? The skin effect is when an alternating electric current is distributed...
Electrical Calculators

Battery Life Calculator

What is meant by Battery? An electrical device that can be charged by an electric...
Electrical Calculators

Battery Capacity Calculator

The battery life calculator provides an estimate of how long a battery will survive,...
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Latest articles

Transformers

How to Test the DC Resistance of Transformer Windings?

Testing the DC resistance of transformer windings is an essential step in ensuring transformer...
Excel Tools

Inverse Defined Minimum Time (IDMT) Calculator

Calculator Inverse Defined Minimum Time CalculatorDownload An Inverse Defined Minimum Time (IDMT) Calculator is an online...
Transmission

Essential Oil Immersed Shunt Reactors Commissioning Checklist

Commissioning oil-immersed shunt reactors is essential for ensuring consistent operation in power systems.  These reactors...
Electrical Procedures

Step-by-Step Guide to Motor Overhauling: A Complete Procedure

Motor overhauling is the process of restoring or repairing defective electric motors to their...
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