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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 Safety

LOTO Colour Coding

What are LOTO Color Codes? In order to standardize the determination of locks and tags according to their function & level of control, the LOTO (Lockout/Tagout) Color Coding method is implemented. Table of ContentsWhat are LOTO Color Codes?How to read LOTO Color Codes?What does LOTO colors...
Protection

What is a Distance Relay?

Distance relays are the most essential distance protection elements, and their effectiveness is determined by the distance between the source/feeder point & the location of the fault.  Table of ContentsWhat is a Distance Relay?Distance Relay Working PrincipleFunction of Distance RelayNormal ConditionFault ConditionTypes of Distance Relays1). Impedance Relay2)....
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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...
Protection

Transformer-Based vs Transformer-less UPS: Making the Right Choice for Power Needs

Table of ContentsTransformer-Based UPSWorking of a Transformer UPSAdvantages of Transformer-Based UPSTransformer Less UPSWorking of...
Electrical Interview

VFD Interview Questions – Comprehensive Brochure for Engineers

1). What is a VFD, and what does it do in an electrical system? A motor...
Utilities

Telemetry and Remote Operations System (SCADA)

A control system architecture called SCADA (supervisory control and data acquisition) uses computers, networked...
Drives

VFD-Integrated Braking System- DC Injection Braking

Table of ContentsVFD DC Injection BrakingFunction of VFD's DC Injection BrakingDC injection braking outperforms...
Electrical Procedures

Surge Suppression System Datasheet

Table of ContentsRated Voltage8/20μs Maximum Discharge Voltage0.5μs 10kA Maximum Resistance Current (IR)Switching Surge Maximum...
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Latest articles

Electrical Safety

LOTO Colour Coding

What are LOTO Color Codes? In order to standardize the determination of locks and tags...
Protection

What is a Distance Relay?

Distance relays are the most essential distance protection elements, and their effectiveness is determined...
Transformers

Autotransformer Turns Ratio Test

What is an Autotransformer? There is a type of electrical transformer known as an auto...
Electrical Procedures

VLF Testing Procedure

What is VLF Testing? Very Low Frequency (VLF) testing is a method for determining the...
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