Topics List

Electrical Tools

  1. DSLP Calculator (Direct Stroke Lightning Protection)
  2. Earth Mat Design Calculator - A Complete 100% Free IEEE 80 Tool
  3. Ohm's Law Calculator - A Free Online Calculator for Circuits

Power Transmission

  1. Structural Detail of Transmission Towers - A Complete Guide
  2. What is Electrical Transmission System? A Complete Guide
  3. Transmission Towers - Ultimate Guide to A, B, C, and D Type
  4. What is ACSR Conductor? - A Complete Explanation
  5. What is an HTLS Conductor? - Introduction to HTLS
  6. GAP-Type HTLS Conductors
  7. INVAR Core HTLS Conductors: Structure and Applications
  8. Insulators Used in Overhead Transmission Lines
  9. Disc Insulators in High Voltage Transmission Lines 
  10. Silicone Rubber Composite Insulators | Long Rod Type
  11. Voltage Regulation in Transmission Line? – A Complete Guide
  12. What is Skin Effect in Electrical Systems? Complete Guide
  13. Line Differential Protection
  14. Working Principle of Digital Teleprotection Coupler
  15. Testing of ACSR Conductors
  16. Testing on GSS Earth Wire

Overhead Conductor

  1. What is ACSR Conductor? - A Complete Explanation
  2. What is an HTLS Conductor? - Introduction to HTLS
  3. GAP-Type HTLS Conductors
  4. INVAR Core HTLS Conductors: Structure and Applications
  5. Testing of ACSR Conductors
  6. Testing on GSS Earth Wire

Power Transformer

  1. Working Principle of a Transformer - A Complete Explanation
  2. EMF Equation of a Transformer - A Complete Derivation
  3. Transformer Vector Diagram or Phasor Diagram - Explained
  4. Equivalent Circuit of Transformer - A Complete Explanation
  5. Voltage Regulation of a Transformer - A Complete Explanation
  6. Different Losses in a Transformer - A Complete Explanation
  7. Core and Shell Type Transformer Core - A Complete Guide
  8. Amorphous Core for Distribution Transformer - Advantages
  9. Condenser Bushing - Theory of Capacitor Grading
  10. Synthetic Resin Bonded Paper Bushing (SRBP or RBP)
  11. OIP Bushing (Oil Impregnated Paper Bushing) - Explained
  12. Testing on 10MVA Power Transformer
  13. RIP Bushing Construction and Design - A Complete Guide
  14. What is a Transformer Breather? A Complete Guide
  15. What is a Buchholz Relay? A Complete Working Principle
  16. Testing on New Transformer Oil
  17. What is an Oil Surge Relay (OSR)? - A Complete Guide
  18. Nitrogen Injection Fire Protection System (NIFPS or NIFPES)
  19. Stage Inspection of a Transformer
  20. Parameters of a Transformer (10MVA 66/11KV Transformer)
  21. Interview Questions on Power Transformer A Complete Session

Circuit Breakers

  1. High Voltage Circuit Breaker - Air, Oil, SF6 & Vacuum Types
  2. Rated Short Circuit Making Current and Breaking Current 
  3. Zero Current Crossing Method in A Circuit Breaker
  4. Small Inductive Current Interruption by Circuit Breakers
  5. Arc Voltage, Recovery Voltage, Restriking Voltage, RRRV
  6. Shunt Trip Mechanism Vs Series Trip Mechanism
  7. Details Current Ratings of a Circuit Breaker
  8. First Pole to Clear Factor of Circuit Breaker
  9. Rated Transient Recovery Voltage of a Circuit Breaker
  10. M2 Class Circuit Breakers as per IEC 62271‑100
  11. C2 Duty Cycle Test for Circuit Breakers as per IEC 62271
  12. Construction and Working of MCB (Miniature Circuit Breaker)
  13. Selective DC Scheme in Breaker Control Circuit
  14. Spring - Spring Mechanism of Circuit Breaker - Explained
  15. Anti-Pumping Scheme in Circuit Breakers - A Complete Guide
  16. Minimum Oil Circuit Breaker | MOCB - Explained
  17. Duty Cycle of a Circuit Breaker
  18. Bulk Oil Circuit Breaker - History, Working & Drawbacks

SF6 Circuit Breaker

  1. Types of SF6 Circuit Breaker - A Complete Comparison Guide
  2. SF6 Gas Properties | SF6 in CB - A Complete Guide
  3. Greenhouse Effect of SF6 Gas and Alternative Gas of SF6
  4. DC Control Circuit of an SF6 Circuit Breaker
  5. Testing on SF6 Circuit Breaker
  6. Objective Questions on SF6 CB - A Complete MCQ Series

Vacuum Circuit Breaker

  1. Vacuum Circuit Breaker
  2. How does a Vacuum Arc Form? A Complete Explanation
  3. Working Principle of Vacuum Circuit Breaker
  4. A Complete Comparison of Vacuum Circuit Breakers with Other
  5. Vacuum Interrupter - Construction, Function, Arc Quenching
  6. Design of Contacts in Vacuum Interrupters
  7. Testing of a Vacuum Circuit Breaker
  8. Ratings of 36kV Outdoor Vacuum Circuit Breaker
  9. Questions on 33KV Circuit Breaker - A Complete Session

Current Transformer

  1. What is a Current Transformer? - A Complete Explanation
  2. Current Transformer: Working Principle, Theory, and Purpose
  3. What are the Types of Current Transformer - A Complete Guide
  4. Dead Tank CT (Current Transformer) - A Complete Guide
  5. Live Tank Current Transformer (Live Tank CT)
  6. Live Tank vs Dead Tank Current Transformers
  7. Protection CT Vs Metering CT - Differences and Applications
  8. Selection of CTs for Protection & Metering - Complete Guide
  9. Errors in Current Transformers (CTs) & Saturation in CTs
  10. Instrument Safety Factor or Instrument Security Factor (ISF)
  11. What is Accuracy Limit Factor of CT? Complete Details
  12. CT Saturation and its Causes & Effects - A Complete Guide
  13. Testing of HV Current Transformer
  14. Core Balance CT or Core Balance Current Transformer (CBCT)
  15. What is Nanocrystalline Core in CTs? A Complete Detail
  16. What is SF6 CT? SF6 Current Transformer - Complete Guide
  17. Rogowski Coil CT - A Complete Guide to Theory and Operation

Potential Transformer

  1. Voltage Transformer or Potential Transformer - Explained
  2. Testing of Capacitive Voltage Transformer (CVT)
  3. Ferroresonance in Potential Transformer or PT or VT
  4. Technical Parameters of a Potential Transformer (PT)
  5. Questions on Voltage Transformer – A Complete Session

Lightning Arrester

  1. What is a Lightning Arrester? - Types of LA
  2. Lightning Arrester Ratings - A Details and Complete Guide
  3. Lightning Arrester - Gapless Metal Oxide (ZnO) Arrester
  4. Zinc Oxide Material Science for ZnO Blocks
  5. Valve Type Lightning Arresters
  6. Testing of Lightning Arrester
  7. Top Questions on HV Lightning Arresters - A Complete Session

Capacitor Bank

  1. Reactive Power in Power Systems: A Complete Guide
  2. Location and Connection of Capacitor Banks
  3. Shunt Capacitor Bank and Series Capacitor Bank
  4. Double Star Ungrounded Capacitor Bank
  5. Details of Capacitor Units in a Capacitor Bank
  6. Construction and Manufacturing Process of a Capacitor Unit
  7. Why Reactors are Used with Capacitor Banks
  8. Protection of a Capacitor Bank | Unbalance Protection Scheme
  9. Testing of Capacitor Bank

Bus Layout

  1. Types of Bus Arrangements in Substations - A Complete Guide

Earthing System

  1. Topics Covered or to be Covered
  2. What is Nickel Cadmium Battery? - A Complete Article
  3. How to Measure Soil Resistivity for A Transmission Line?
  4. Earth Mat Design Calculator - A Complete 100% Free IEEE 80 Tool
  5. How to Measure Soil Resistivity: Detailed Process Explained
  6. Normal Current Rating of Electrical Equipment
  7. What is a Sheath Voltage Limiter?
  8. Earth Continuity Conductor or Cable (ECC) for EHV Cables

Electrical Parameters

  1. What is the Magnetic Effect of Current - Complete Theory
  2. What is Insulation Resistance ? - A Complete Guide
  3. What Are the Different Types of Resistors? Complete Guide
  4. What is a Wire Wound Resistor? A Complete Guide
  5. Metal Film Resistor Design and Applications A Complete Guide
  6. What is a Carbon Film Resistor? - A Complete Guide
  7. What is a Carbon Composition Resistor - A Complete Guide
  8. What is Resistivity (Specific Resistance)? A Complete Guide
  9. What is Electrical Resistance? A Complete Answer
  10. Effect of Temperature on Resistance - A Complete Explanation
  11. Ohm's Law - A Complete Guide with Formula and Examples
  12. Battery Sizing Calculation for a Substation
  13. Quality Factor & Dissipation Factor or Q Factor & D Factor
  14. Voltage Regulation in Transmission Line? – A Complete Guide
  15. What is Skin Effect in Electrical Systems? Complete Guide

Electrical Protection

  1. What is an Electrical Protection Relay? Explained in Details
  2. Electromagnetic Attraction Type Relay
  3. Contact Multiplier Relay – Construction and Working
  4. What is an Induction Disc Relay – A Complete Explanation
  5. What is Induction Cup Relay? A Complete Explanation
  6. What is Watthour Meter Type Induction Relay? Complete Theory
  7. What is Electrical Static Relay - A Complete Explanation
  8. High Impedance Bus Differential Protection
  9. What is a Numerical Protection Relay - A Complete Guide
  10. Local Breaker Backup (LBB) Protection - Explained
  11. Line Differential Protection
  12. SOTF Protection or Switch On To Fault Protection

Differential Protection

  1. High Impedance Bus Differential Protection
  2. Line Differential Protection

Solar Panel

  1. What is a Photovoltaic Cell? A Complete Theory Explained
  2. How Monocrystalline Solar Panels Are Made - Complete Guide
  3. What is Grid Connected Rooftop Solar Power Plant - Easy Read
  4. What is DC–DC Converter? Complete Explanation with Circuit

Equipment Testing

  1. Testing on 10MVA Power Transformer
  2. Testing of HV Current Transformer
  3. Testing of a Station Service Transformer as per Standards
  4. Testing on Earthing Transformer
  5. Testing on New Transformer Oil
  6. Testing on SF6 Circuit Breaker
  7. Testing of Gas Insulated Switchgear (GIS)
  8. Testing of a Vacuum Circuit Breaker
  9. Testing of Capacitive Voltage Transformer (CVT)
  10. Testing of Lightning Arrester
  11. Testing of High Voltage Isolators
  12. Testing of Capacitor Bank
  13. Testing on Clamp Connectors of Power Circuit
  14. Testing on Aluminium Bus Pipe
  15. Testing of ACSR Conductors
  16. Testing on GSS Earth Wire
  17. Testing of XLPE Cable above 33KV up to 220KV

Gas Insulated Switchgear

  1. Gas Insulated Substation (GIS) - An Introduction
  2. Testing of Gas Insulated Switchgear (GIS)
  3. Online Partial Discharge Measurement of GIS

High Voltage Cable

  1. EHV XLPE Cable Construction: Exploring Each Part
  2. What is XLPE or Cross Linked Polyethylene
  3. Type, Routine and Acceptance Tests for HV XLPE Cables
  4. What is Milliken Segmented Stranded Conductor Ultimate Guide
  5. Types of Sheath Bonding in High Voltage Cable
  6. What is a Sheath Voltage Limiter?
  7. Earth Continuity Conductor or Cable (ECC) for EHV Cables
  8. Testing of XLPE Cable above 33KV up to 220KV

Ratings of Electrical Equipment

  1. Battery Sizing Calculation for a Substation
  2. Current Ratings of an Electrical Equipment
  3. Details Current Ratings of a Circuit Breaker
  4. Rated Transient Recovery Voltage of a Circuit Breaker
  5. Duty Cycle of a Circuit Breaker
  6. What is Basic Insulation Level (BIL) - A Complete Guidance
  7. Ratings of 36kV Outdoor Vacuum Circuit Breaker

Testing Procedure

  1. Sweep Frequency Response Analysis (SFRA) - Working Principle

Measuring Instrument

  1. What is Attraction Moving Iron Instrument - A Complete Guide
  2. What is an LCR Meter? Working Principle of an LCR Meter

Interview Questions

  1. Questions on Voltage Transformer – A Complete Session
  2. Top Questions on HV Lightning Arresters - A Complete Session
  3. Interview Questions on Power Transformer A Complete Session
  4. Questions on 33KV Circuit Breaker - A Complete Session

Electrical MCQs

  1. Objective Questions on SF6 CB - A Complete MCQ Series
  2. Quiz on Electrical Engineering - A Complete MCQ Quiz Series