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Kehui Electric Appliances·Service power
YTJN10-XX 10kV indoor three-phase AC voltage sensor
YTJN10-XX 10kV indoor three-phase AC voltage sensor is a 10kV three-phase AC voltage sensor that adopts capacitive voltage division + isolation structure, and can be used for 10kV indoor central cabinet, ring network cabinet three-phase voltage, zero-sequence voltage Measurement. Product naming rules: 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 10kV indoor central cabinets and ring main cabinets. 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 Size: 375*148*90mm (base size can be customized)
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YTJN10-XX 10kV indoor three-phase AC voltage sensor
1. Product overview
YTJN10-XX 10kV indoor three-phase AC voltage sensor is a 10kV three-phase AC voltage sensor that adopts capacitive voltage division + isolation structure, and can be used for 10kV indoor central cabinet, ring network cabinet three-phase voltage, zero-sequence voltage Measurement.
Product naming rules:
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 10kV indoor central cabinets and ring main cabinets.
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
Size: 375*148*90mm (base size can be customized)
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YTJW10-XX 10kV outdoor three-phase AC voltage sensor
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Zhuhai Kehui Electric Appliance Co., LTD
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