Instrument Transformer

CT vs VT compared on purpose, voltage and current behavior, construction, connection and accuracy classes, explained for engineers.

Learn how different Parameters of CT affect performance in metering and protection applications. Simple explanations with practical clarity.

Learn how 0.2 and 0.2S CT accuracy classes differ at low current under IEC 61869-2, and why 0.2S suits revenue metering.

This article explains 5P10 & 5P20 in CTs, covering composite error, accuracy limit factor, burden, and real-world applications.

Understand Accuracy Classes of CT with simple language, practical examples, and industry-based explanations.

A complete explanation of CT Burden, including winding resistance, lead wire impact, and its effect on measurement accuracy.

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

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

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

This article explores CVT vs IVT by comparing their operation, components, performance at high voltages, and their role in communication systems.

How a capacitive voltage transformer (CVT) works: it steps down voltage for relays and meters and couples PLCC signals in substations.

Accuracy classes 0.1, 0.2, 0.2S, and 5P define the precision and reliability of CTs and VTs. Learn their roles in measurement and protection.

Nameplate or rating plate details of Capacitive voltage transformer (CVT) are explained in this video.