Product name: HCYZ-X transformer on-load switch AC parameter test device

Category: transformer comprehensive test series

Detailed introduction

HCYZ-X transformer on-load switch AC parameter test device can be used for AC testing of the action characteristics of on-load tap-changers of various wiring groups, three-phase and single-phase transformers of 10kV-500kV, accurately capturing the current and voltage changes before and after the transient point during the switch switching process. For suspected switches, single-phase high voltage simulation of the actual operation state of the transformer can be performed under external pressure power supply to perform tap-changer. This device comes with a high-performance data analysis system, which is convenient for engineering and technical personnel to process on-site according to engineering needs, and can be exported for backup for later analysis.

This device is developed using an embedded system with stable performance. The 7-inch capacitive touch screen and shortcut keys are used together to make on-site operation simple and fast. Test reports can be directly generated on-site. At the same time, the USB interface can be connected to an external mobile storage device to import and export data, which is convenient for users to backup and import analysis.

Technical Parameters
Internal output test power supply
Power supply frequency 9 fixed frequency points (45Hz~55Hz range)
Output voltage Three-phase 800V (effective value, varies with load)
Output capacity Rated 1000VA, maximum instantaneous output 1500VA
(lasts for 200ms, overload protection does not work)
Voltage waveform distortion rate <2%
Voltage phase angle 120°, phase angle difference is not more than 120° ±1°
Sensor accuracy
Voltage and current sensor accuracy Level 0.2
Sensor response speed ≤15μs
Voltage range 0V-800V (effective value)
Current range 0A-5A (effective value)
Data Sampling
Sampling accuracy 16-bit
Sampling rate 200K
Sampling storage depth 64M
Overall dimensions 520mm*320mm*370mm
Instrument weight 35kg
Conditions of Use
Ambient temperature -10~50
Ambient humidity ≤85%RH
elevation ≤2000m
Working power supply AC220V±10%
Power supply frequency 50±1Hz

 

 

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