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YTJW10-XX 10kV outdoor three-phase AC voltage sensor
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YTJW10-XX 10kV outdoor three-phase AC voltage sensor
1. Product overview
YTJW10-XX 10kV outdoor three-phase AC voltage sensor is a 10kV three-phase AC voltage sensor with capacitive voltage divider + isolation structure, which can be used to measure three-phase voltage and zero sequence voltage of ZW32 outdoor column switch.
2. Features
This product is different from the traditional electromagnetic AC transformer. It adopts capacitive voltage divider + isolation structure, which has high precision, good linearity, wide frequency band, small size, light weight, high reliability, high ground impedance (≥1000MΩ), etc. It is widely used in the measurement of three-phase voltage and zero-sequence voltage in ZW32 outdoor pole-mounted switch with primary and secondary fusion in distribution network.
3. Implementation and Reference Standards
3.1. T/CES 018-2018 Specifications for 10kV and 20kV AC Sensors in Distribution Networks
3.2. GB/T 20840.7-2007 Transformers Part 7: Electronic Voltage Transformers
3.3.IEC-60044-7 electronic voltage transformer
4. Basic parameters
Rated primary voltage: 10000/√3 V
Rated secondary voltage: 3.25/√3 V
Rated secondary zero sequence voltage: 6.5/3 V
Accuracy level: 0.5/3P
Rated voltage factor: 1.2 (continuous), 1.9 (8h)
Rated load: 1MΩ
Power frequency withstand voltage: 42kV (1min)
Partial discharge level: ≤10pC (14.4kV)
Lightning impulse withstand voltage: 75kV/85kV
Working environment: -40℃～70℃
5. Structural parameters
5.1. Size: 780*205*106mm (base size can be customized)
5.2. Test report
Pre
YTJC10-XX 10kV European plug type three-phase AC voltage sensor
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Zhuhai Kehui Electric Appliance Co., LTD
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