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Current Transformer for Transient Protection

Current Transformer for Transient Protection

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Product Description

This product is specially designed for high-voltage relay protection devices. It is used to accurately convert short-circuit fault transient current signals into signals based on micro-processing electronic circuits for date transmission such as isolation and acquisition. The product transits real short-circuit current waveforms. It has good transient characteristics and super anti-saturation ability .

Product Characteristics

The circuit is simple ,no external power supply is required and the operation is reliable .

Good transient characteristics, real waveform, 100% DC component waveform can be superimposed without distortion .

Various installation methods, optional PCB installation and bolt fixing methods.

Various shape structures are available .

Application

Apply to transient characteristic analysis of relay protection and automation devices for high voltage power systems.

Products Parameters

Electrical performance parameters	Operation Temperature	-25℃～+55℃/-40℃～+85℃ optional	Relative Humidity	≤90%hPa
	Internal Insulation	Epoxy resin	Insulation Resistance	≥500 MΩ/500V DC
	Power Frequency Withstand Voltage	3000V AC/1min	Withstand Impulse Voltage	5000V（1.2/50μsStandard Lightning Wave）
	Rated Load	＞50kΩ	Operation Frequency	50～400Hz
	Accuracy Class	According to（IEC 61869-2）or （GB 20840.2-2014）the definition of the error limit of the current transformer for medium protection;	Environmental Friendly	According to the requirement of RoHS;

Model Interpretation

Main Technical Specifications

Type	Rated Input I_in	Rated Overload Input/Output(AC)	Error Limit	Transient Characteristic	Power Consumption （VA)	Dimensions（mm）
TR01159-2BE	1A,5A	20A/3.5V,3.53V 40A/3.5V,3.53V 100A/3.5V,3.53V 200A/3.5V,3.53V	5%～200%within rated current input range：0.5，1.0 class; 2～20/40times within rated current input range：1.0 class；	Tp=100ms,offset factorcosθ=0.5， Fundamental RMS error ≤0.5%	≤0.5	L-W-H 29-30-28.5
TR01284-2BE	1A,5A	20A/3.5V,3.53V 40A/3.5V,3.53V 100A/3.5V,3.53V 200A/3.5V,3.53V			≤0.5	L-W-H 32-35-30
TR01203-2BE	1A,5A	20A/3.5V,3.53V 40A/3.5V,3.53V 100A/3.5V,3.53V 200A/3.5V,3.53V			≤0.5	L-W-H 44-44-39