51 - 53 of 53
thermal protective tester
Selling leads
...AC/DC voltage source or current source. It is applied to test protection replay based on voltage and current operation. The main function of the ...
2024-12-09 19:42:18
|
... in relay protection system. At the same time it could be considered as a universal three phase AC/DC voltage source or current source. It is ...
2024-12-09 19:42:18
|
... Tester for current transformer: 1.Excitation curve and parameters test 2.Turns ratio test 3. Ratio and phase error test 4. Polarity mark check 5. ...
2024-12-09 19:27:52
|