WJY-2 Transformer Oil Insulation Strength Automatic Tester

WJY-2 typeAutomatic transformer oil insulation strength testerThe instrument mainly used for electrical insulation strength testing of transformer oil (referred to as oil withstand voltage tester).The instrument adopts MCS-51 series microcontroller as the system control core, with color LCD display, Chinese human-machine dialogue, guided operation, fully automated measurement process, and rolling storage of 200 test data; And developed by combining modern new technological methods.

WJY-2 typeAutomatic transformer oil insulation strength testerThe entire instrument is designed with advanced technology, reasonable structure, simple operation, safety and reliability, small size, light weight, and easy portability. It is particularly practical for on-site application in oil quality supervision in the power sector. The test results comply with the national standard GB507-87 and the Ministry of Electric Power standard DL429.9-91 "Determination of Dielectric Strength of Insulating Oil".

WJY-2 typetechnical indicators

1. Test voltage: 0-80KV

2. Boosting speed: 3KV/s

Voltage display accuracy: ± 3%

4. Peak voltage singularity rate of output: ＜ ± 5%

5. Test capacity: capable of outputting current values greater than 20mA when the output voltage is 10KV

⒍ Breakdown sensitivity:>1mA

7. Operating environment: -10 ℃ to+40 ℃, relative humidity not exceeding 70%

Volume: 480 × 280 × 350 (mm) (width × height × depth)

9. Whole machine weight: 17kg

Electrode type: 2.5mm (electrode spacing) standard type;

WJY-2 typeThe working principle isAccording to the technical requirements of the national standard GB507-87 and the Ministry of Electric Power standard DL429.9-91 "Determination of Dielectric Strength of Insulating Oil", the MCS-51 series microcontroller is used as the core, combined with modern high-tech electronic control technology, to achieve automatic testing of transformer oil insulation strength.

WJY-2 typeIt is possible to preset the number of tests and the interval time between each test as needed, automatically increase the voltage according to the standard required boost rate, automatically display and store the breakdown voltage value of each test, automatically calculate, display and print the breakdown value of each round of test and the average value of the test, and roll store 200 test data. This instrument can be tested using standard electrodes or 1.2mm small gap electrodes according to user needs. This instrument also has a high-voltage automatic protection function for opening doors.