TheElectricalGuy

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Why Current Transformer Secondary Must Never Be Open-Circuited
Why Current Transformer Secondary Must Never Be Open-Circuited 1024 576 Gaurav Joshi

Discover how an open CT secondary leads to core saturation, high voltage, and serious safety hazards.

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What Are Types of Current Transformers?
What Are Types of Current Transformers? 1024 574 Gaurav Joshi

This article explains the types of current transformer based on construction, insulation, and design in simple terms.

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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.

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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.

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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.

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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.

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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.

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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.

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