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HOME >> Capacitors >> Ceramic Capacitor >> Voltage sensor/transformer/divider capacitor >> 10KV phase sequence metering transformer
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10KV phase sequence metering transformer

10KV phase sequence metering transformer

Widely used in 12KV column switches, ring network cabinets, circuit breakers and other complete equipment, as a function of phase sequence voltage measurement

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商品描述

Widely used in 12KV column switches, ring network cabinets, circuit breakers and other complete equipment, as a function of phase sequence voltage measurement


Description:
Capacitive voltage measurement and protection transformer is an electronic transformer designed according to the principle of capacitive voltage division. It is widely used in 12KV column switches, ring network cabinets, circuit breakers and other complete equipment as a phase sequence voltage measurement Use of the function. After years of efforts to develop and develop new electronic voltage transformers with independent intellectual property rights.

Basic electrical performance:
8~12KV voltage time-varying ratio accuracy: 3P;
Phase sequence voltage rated transformation ratio: 10/√3 KV /3.25/√3 V
8~12KV voltage time-varying ratio accuracy: 0.5;
Environmental resistance temperature: -40℃~+70℃;
Rated frequency: 50HZ;
Rated load: 5.1MΏ;
System rated voltage: 10KV/12KV; partial discharge: 5PC@14.4
Withstand voltage: 42KV AC holding pressure for two minutes;
Lightning shock: 15 times each of 75KV positive and negative;
Power frequency requirements: 48KV@1min
No LOGO on the product


1. Diameter: 78mm; height: 120mm;
2. High voltage input side: screw M8*8mm;
3. Low voltage output side: 1 ground and 2 fixing screws: M10*12.5mm; zero sequence and phase sequence signal screws: M6*6mm;
4, umbrella skirt depth: 8.5mm;

Electrical principle:
1. This series of products is based on the principle of capacitive voltage division. Each transformer is implanted with a set of capacitors at the same time, which is used for measuring the transformer;
2. Combine three transformers together for three-phase measurement;
3. As shown in the circuit diagram of the product, Ua, Ub, Uc are three-phase measurement, low-voltage capacitors have been built into the transformer, directly connected to the signal output Yes (double-core shielded wire, one core is grounded and the other is signal output);
















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