JLEZW3-12 Combined Transformer

Short Description:

The AC combined transformers are applied to distribution network with rated frequency of 50Hz and rated voltage of 10kV. It can output high-precision zero sequence voltage measurement signals and phase current signals and zero sequence current signals used by measurement and control devices. This product realizes primary and secondary integration with switch bodies including ZW32, FTU as well as other equipment, and with features of small size, light weight, excellent performance, reliable operation, easy installation and so on.

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Product Detail

Product Tags

Standards

GB/T20840.1、 IEC 61869-1 Instrument Transformer Part 1: General Technical Requirements
GB/T20840.2、 IEC 61869-2 Instrument Transformer Part 2: Supp lement for Current
Transformer Technical Requirements
GB/T20840.7、 IEC 61869-7 Instrument Transformer Part 7: Electronic Voltage Transformer

Operation Circumstance

Installation site: Outdoor
Ambient temperature: Min. temperature: -40℃
Max. temperature :+70℃
Average temperature per day ≤ +35℃
Ambient air: There is no obvious dust, smoke, corrosive gas, steam or salt and so on. Altitude: ≤ 1000m
(Please indicate the altitude when the instrument transformers are used in high altitude area.)

Please note when ordering

1. Rated voltage /current ratio
2. Working princip le.
3. Accuracy classes and rated output.
4. For any other requirement, you can contact us!

Technical Data

	Rated Ratio	Accuracy Class	Rated Secondary Output	Rated Insulation Level	Working Principle
Voltage part	10kV/ √3/6.5V/3	3P	10MΩ	12/42/75	Resistor-capacitor divider
Current part	600A/5A/100A/1A	5P10(0.5S)/5P10	5VA/1VA	12/42/75	Electromagnetic induction
Current part	600A/1A/100A/1A	5P10(0.5S)/5P10	1VA/1VA	12/42/75	Electromagnetic induction