In order to implement a 100 % stator earth fault protection based on sub harmonic injection, a 20Hz voltage is injected into the generator star point. The 20-Hz generator SGEN-1001 is used in combination with the band pass filter SBPF-1001 in...
dats 5000 fault analyzer dats 5000 test system employs the powerful in-circuit test method to test all active components on a printed circuit board (pcb). in dats 5000 the input test patterns are driven by the tester through test clips and the...
Sophisticated Electronic Receiver is equipped with a search coil and able detect coated pipeline signal for a great long distance by using null method theory. Transmitter conductively connected to the pipe by a remote ground and equipped with Interruption mode to eliminate noise...
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