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What problems should be paid attention to when using the transformer ratio tester to test the transformer ratio?

Time: 2022-03-14 Author: 铧正 Click: 639 Time

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HZBB-10A Transformer Turn Ratio Tester

In the process of production and development of semi-finished products and finished products of power transformers, before the newly installed transformers are put into market operation and management, and in the process of designing economical operation of transformers in China's power information system, they can be based on the technical regulations of preventive testing of the Ministry of Electric Power of our country. Regularly organize turns ratio or voltage ratio tests on operating transformers. The operation process of the traditional transformation ratio bridge is cumbersome, the reading is not intuitive, and social necessary conversion is required, and the test and analysis results are only the data of one phase transformation ratio. Transformer ratio tester overcomes the shortcomings of a traditional ratio bridge test. The screen adopts one-time successful completion of three-phase transformation ratio test, the test speed is fast and the accuracy is high. It greatly saves the time of on-site safety testing activities and brings high efficiency to the customer's test.

In addition to satisfying user requirements, simple operation, complete functions, and reliable data, the transformer can also be blindly tested (without knowing the exact measurement of the connection mode and group of the transformer), as well as the parallel operation state of the main transformer.

Test Notes:

1. Do not touch the sample during measurement.

2. If the test line is short-circuited and the high and low voltage are connected, turn the fuse. After the fuse is blown, if the fuse is measured, it will display "Measure, please wait!" Then stop, please turn off, replace the fuse with the same volume, and test again.

3. The connection should be kept in good contact with the students, and the instrument should be well grounded!

4. The workplace of the instrument should be far away from strong electric fields, strong magnetic fields, and high-frequency electronic equipment. The less the interference of the power supply system, the better, and the lighting line should be selected. If there is still a large problem of interference through a power supply, the instrument can be powered by the AC environment purification power supply, and the capacity of the AC purification power supply can be greater than 200VA.

5. When the instrument is working, if the LCD display is confused, press all keys to respond, or the measured value is far from the actual value, please press the reset button, or turn off the power, and then operate.

6. If the display has no characters or is very light, adjust the brightness potentiometer to the appropriate position.

7. The instrument should be stored in a dry and well-ventilated place.


+8618330222305 +8618330222305 sales08@bdhuazheng.com 0086-18330222305 Julia Jin-huazheng