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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 Calculators

Line To Phase Voltage Calculator

Calculator Click here for more Electrical Calculators A Line-to-Phase Voltage Calculator calculates the voltage between a line conductor & the neutral point (also known as phase voltage) in a 3-phase electrical system. It works especially well when the line voltage (line-to-line voltage) is known and the connection...
Distribution

What causes DC System Failures in Substations?

In any substation, the DC distribution system serves as the foundation for Table of ContentsDC Power Supply System in Electrical Substation7 Causes of DC System Failures1). Battery Bank Failure2). Charger Malfunction3).  Ground Faults in DC Circuits4). Overloaded DC Circuits 5). Breaker (or) Fuse Failures in DC Panels6)....
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Transformers

Preventive Maintenance Checklist for Transformers

This checklist provides a high-level perspective on the many preventative maintenance activities that have...
Transformers

Different types of Cooling Systems (Methods) in Transformers and its Applications

Table of ContentsDifferent Electrical Transformer Cooling MethodsAir CoolingOil Cooling An electromagnetic static device called a...
Troubleshooting

Troubleshooting MCC and Starter Panels: Common Faults and Fixes (Diagnosis)

Table of ContentsMethods for the Fault Diagnosis1). Phase indicator2). Outgoing Terminal3). Metering Circuits4). Ammeter5)....
Electrical Notes & Articles

Cable Tray Dimensions and Specifications as per NEC

Table of ContentsPurpose of Cable TraysCable Tray norms as per National Electrical Code (NEC)Number...
Protection

Understanding the Operational Modes of Industrial UPS Systems

Table of ContentsHow many modes are there in UPS?Single line diagram of UPSNormal operation...
Switchgear

A Step-by-Step guide to run a Three-Phase Motor on Single-Phase Supply using VFD

Table of ContentsConverting Three-Phase Motors: A VFD Solution for Single-Phase PowerFunction of VFDRequired ComponentsHow...
Protection

Understanding essential components of an UPS System

Table of ContentsWhat are all the components of UPS?RectifierInverterWhat is IGBT in UPS system?Static...
Protection

What is UPS? – Its Importance and Applications in Various Industries

Table of ContentsWhat is the uninterrupted power supply?Single line diagram of UPS systemWhat is...
Troubleshooting

Troubleshooting Circuit Breaker Problems: Diagnosis and Solutions

Table of ContentsWhat is a Circuit Breaker?Common Circuit Breaker Problems: Causes and Solutions1). Miswiring2)....
Excel Tools

Optimizing Power Systems for Large Motor Startup: Transformer Sizing and Voltage Drop Analysis

Table of ContentsTransformer Sizing ConsiderationsVoltage Drop of a Transformer (in Secondary)Motor Code Determining the size...
Switchgear

Low Voltage Cubicle Switchboard (LVSB) Assessment and Testing Protocol

Table of ContentsVisual InspectionSite Inspection before Incoming Supply Connection1). Dielectric Test2). Insulation Test3). Secondary...
Protection

Megger Testing: Ensuring Electrical Wiring and Cable Integrity

Table of ContentsWhat is meant by Megger testing?General Procedure for the Megger TestMechanism of...
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Latest articles

Electrical Calculators

Line To Phase Voltage Calculator

Calculator Click here for more Electrical Calculators A Line-to-Phase Voltage Calculator calculates the voltage between a line...
Distribution

What causes DC System Failures in Substations?

In any substation, the DC distribution system serves as the foundation for Table of ContentsDC...
Preventive Maintenance

Functional Testing for Electrical Systems

To ensure an electrical installation's safety, performance, and reliability, an entire checklist of functional...
Electrical Interview

Substation Testing Interview Questions

1). What is CT? A Current Transformer (CT) is an instrument transformer that reduces large...
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