TheElectricalGuy

All Tutorials

Working Principle of Current Transformer: How CTs Measure High Current Safely
Working Principle of Current Transformer: How CTs Measure High Current Safely 1024 576 Gaurav Joshi

Understand how electromagnetic induction helps current transformers step down large current for metering and protection.

read more
What Are Harmonics in Electrical Systems?
What Are Harmonics in Electrical Systems? 1024 576 Gaurav Joshi

This article explains harmonics in electrical systems, their causes, effects, and analysis using simple language and real examples.

read more
Top 5 Causes of Power Transformer Failures in Substations
Top 5 Causes of Power Transformer Failures in Substations 1024 576 Gaurav Joshi

This article explains the five major causes of electrical transformer failures, including insulation breakdown, winding faults, bushing issues, OLTC problems, and overheating.

read more
What Are the Components of HVDC Transmission System? Explained Simply
What Are the Components of HVDC Transmission System? Explained Simply 1024 576 Gaurav Joshi

HVDC transmission involves many components working together. This blog explains each HVDC transmission system component clearly, following the actual power flow from incoming AC supply to DC transmission and back to AC at the receiving end.

read more
What Are the Components of Ring Main Unit (RMU)? A Complete Explanation
What Are the Components of Ring Main Unit (RMU)? A Complete Explanation 1024 576 Gaurav Joshi

Learn how a Ring Main Unit is built and how each component works, starting from the SLD and moving step by step to physical RMU parts.

read more
What is HVDC Gas Insulated Switchgear? Working and Key Components
What is HVDC Gas Insulated Switchgear? Working and Key Components 1024 576 Gaurav Joshi

Learn how HVDC Gas Insulated Switchgear supports offshore and urban power systems and why DC switchyards work without circuit breakers.

read more
5 Problems Caused by Unbalanced 3-Phase Loads
5 Problems Caused by Unbalanced 3-Phase Loads 1024 576 Gaurav Joshi

When a 3-phase system becomes unbalanced, it affects equipment life, safety, and power quality. Learn the five key problems caused by unbalanced loads and why they cannot be ignored.

read more
Understanding Power System Stability
Understanding Power System Stability 1024 576 Gaurav Joshi

Understanding Power System Stability becomes easy with a car analogy. The article explains stability meaning, importance, and types in simple terms.

read more