Briefly description of zero phase current transformer
The general current transformer can convert the primary current with a large value to a secondary current with a smaller value according to a certain transformation ratio, so that it can be used for maintenance and accurate measurement. The main function of the zero-sequence current transformer is to protect the operation and disconnect the switching power supply when an electric shock accident or a common leakage fault occurs in the power circuit. Although the names of these two transformers are very similar, their role is very large. Not the same, what is the difference and their main function? The through-type current transformer as a zero-sequence transformer has no problem in terms of working principle, but the sensitivity of the transformer will be very different. 1. The main function of general current transformer In general, current transformers can convert primary currents with large values to secondary currents with smaller standard values according to a certai...