There are lighting transformers, tires and disassembling machine transformers, there is an electromagnetic starter, the tire changer transformer will always burn ah, are used 380V transformer, I have measured the next, when the transformer transformer measurement 391V, electromagnetic Starter average is 396V, nothing to have, has been used very well. But the tire disassembly machine transformer to die, the average voltage of 396V, installed up a few seconds to very hot, but why the other two no matter? Put away
Tire disassembling machine Transformer I alone load the air switch voltage ah, 396V, only more than 10 V, the other transformers are not any problems
If there is no problem with the secondary side, the voltage reaches the number of volts, the transformer will quickly become hot
PS: 396V I was in the 380V where no-load test ah, more than 10 volts are not ah
This voltage is normal, mainly due to the secondary load is too large, measured under the secondary current. For large capacity transformer can be. No load is not, it can only show that the quality of the transformer there are serious problems, another regular manufacturers with
It is possible that the transformer is small. Look at the transformer capacity, take a look at the voltage of the voltage overload. 380v transformer connected to the 396V power supply can be used normally! No problem with the occurrence of heat may be wrong wiring, or the rated voltage is wrong.
And voltage has nothing to do with a few seconds to install very hot, the secondary side must have a short circuit fault!
Mainly to see whether the capacity of the transformer to meet the requirements, and then see whether the load side of the short circuit. Our transformer here in order to prevent the occurrence of such a situation in the high side of the installation of over-current protection, can effectively protect the transformer. Please adopt
Burning transformer is not because of voltage, but because of current. Excessive current causes the coil to heat up to burn the transformer
