HZYA-2Z Digital Transformer On Load Switch Tap-Changer Analyzer

HZYA-2Z Digital Transformer On Load Switch Tap-Changer Analyzer

I.Description

The on-load tap-changer is the only moving part connected to the transformer circuit. Therefore, the detection of the on-load tap-changer is becoming more and more important. In the "power equipment transfer and preventive test procedures", asked to check the on-load tap-changer action sequence, measurement switching time. The instrument is mainly used to measure the transformer on-load tap-changer transition waveform, transition time, the instantaneous transition resistance, three-phase synchronization and so on.

The instrument is highly intelligent, all Chinese menu prompts, simple operation. Instrument small size, light weight, anti-interference ability, greatly reducing the labor intensity of the site staff, is the power supply units, transformer manufacturing industry to ensure safe production, improve product quality ideal instrument.

II.Technical Parameters

Output current: 1.0A, 0.5A 0.2A

Measuring range Transition resistance: 2Ω-20Ω(1.0A) 5Ω-40Ω(0.5A)

20Ω-100Ω(0.2A)

Transition time: 0 320ms
Open circuit voltage: 24V
Measurement accuracy Transition resistance: ± (5 percent reading ± 0.1Ω)
Transition time: ± ({{0}}.1 percent reading ± 0.2ms)
Sampling rate of 20kHz
Storage mode Local storage
Dimensions: 340mm 245mm 210mm
Instrument weight: 7kg

III.Application Conditions

Ambient temperature -10 degree 50 degree
Ambient humidity Less than or equal to 85 percent RH

Work Power AC220V±10 percent

Power frequency 50 ± 1Hz

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