Is 2705 a current transformer?

Is code for current transformer?

Basic Details

IS Number : IS 2705 : Part 1 : 1992
Technical Department : Electrotechnical Department
Technical Committee : ETD 34 ( Instrument Transformers )
Language : English
ICS Code : UDC 621.314.224

Which transformer is CT and PT?

The current transformer and potential transformer (also called voltage transformer) are both measuring devices. A CT lowers the current signals for measurement purposes, while a PT lowers high voltage values into lower ones. The transformers are designed to measure whether power systems are both accurate and safe.

What is measuring current transformer?

A measuring current transformer is used to reduce currents in a circuit to a level that can safely be measured by a metering device. … All SADTEM outdoor transformers are designed to operate without the need for maintenance.

What are the specifications of current transformer?

This specification covers manufacture, test, & supply of LT Current transformers of class 0.5 accuracy.


1. Class of Accuracy 0.5
3. Power Frequency Withstand Voltage 3KV
4. Highest System Voltage 433 V
5. Nominal System Voltage 400 V
6. Frequency 50 Hz

Are current transformers directional?

Remember: There’s a Right Side and a Wrong Side on a CT

The last thing I’d say about current transformers is that they are directional. If you look at most CTs, there will be a label that will tell you which side should point toward the source of power.

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What IEC 61869?

IEC 61869-11:2017 is a product standard and covers only additional requirements for low-power passive voltage transformers (passive LPVT). … This document covers low-power passive voltage transformers used for measurement or protection and low-power passive voltage transformers used for both measurement and protection.

Is 2026 a part5?

This standard (Part 5) identifies the requirements for power transformers to sustain without damage the effects of overcurrents originated by external short circuits. … The requirements apply to transformers as defined in the scope of IS 2026 (Part 1).