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Kehui Electric Appliances·Service power
YTJQ10-XX 10kV airtight three-phase AC voltage sensor
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YTJQ10-XX 10kV airtight three-phase AC voltage sensor
1. Product overview
YTJQ10-XX 10kV airtight three-phase AC voltage sensor adopts capacitive voltage divider + isolation structure, small in size, light in weight and simple in structure. It is suitable for the measurement of the three-phase voltage and zero-sequence voltage of the power line in the SF6 gas chamber of the ZW20/ZW28 pole-mounted switch, and meets the primary and secondary integration requirements of distribution network automation
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2. Features
● Capacitive voltage divider + isolation structure, high precision, good linearity, wide frequency bandwidth
● Small size, light weight, low power consumption, suitable for placing in the SF6 gas chamber of ZW20/ZW28 switch
● There is no ferromagnetic saturation and ferromagnetic resonance
● Primary and secondary isolation, safe and reliable
● Low output voltage, no risk of secondary short circuit and large current
● Wide temperature range (-40℃～70℃)
● High insulation resistance (≥1000MΩ)
● There is no interface layering problem, safe and reliable
● Strong load capacity (1MΩ), the cable length can reach 10 meters
● Three-in-one cable output signal, easy wiring
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
Partial discharge level: ≤10pC (14.4kV)
Power frequency withstand voltage: 42kV (1min)
Lightning impulse withstand voltage: 75kV/85kV
Working environment: -40℃～70℃
5. Structural parameters
5.1. Structural size (base size can be customized)
5.2. Test report
Pre
YTJN10-XX 10kV indoor three-phase AC voltage sensor
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Zhuhai Kehui Electric Appliance Co., LTD
Tel:+8613794192106
QQ：1592428365
Email：1592428365@qq.com
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