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

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1. Product overview

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