Hi Catserveng, CMC353 is good.
Only for others, I have very good experience with Chinese test sets: Ponovo L336i with remote control by advanced software, only 8.8kg and POM2 with local control and remote control by Software with ethernet link.
Obviously the documentation is with only the basic...
If the differential current is too high and you think the relay is correctly set, maybe you need check the TC secondary connection. You need to analysis the vector diagram that the relay report and compare with the power transformer, primary and secondary connections and the settings in the...
Hello to all. I am a user of testers PONOVO, L336i model. I tested a SEL, Siemens and Beckwith protection relays. The test set does the neccesary. I think part of the manuals of the equipment is very basic but they are to improve them. The software is constantly updated and with the Basic module...