FI series 12v 24v 48v dc to ac inverter
In order to transmit electrical energy, the power system often uses AC voltage and high current loops to send power to users, which cannot be directly measured by instruments. The function of the transformer is to proportionally reduce the AC voltage and large current to a value that can be directly measured by the instrument, which is convenient for the instrument to measure directly, and provides power for the relay protection and automatic devices at the same time, so the voltage transformer and the current transformer are in the plays a very important role in the power system.
Function and working principle of current transformer
The main purpose of the current transformer is to convert the large current in the AC circuit into a certain proportion of the small current (my country's standard is 5 ampere) for measurement and relay protection purposes. Everyone should know that in the process of power generation, substation, transmission and distribution, due to different electrical equipment, the current often ranges from tens of amps to tens of thousands of amps, and these circuits may also be accompanied by high voltage. Then in order to monitor and measure the circuits of these lines, and at the same time to solve the dangers caused by high voltage and high current, a current transformer is needed at this time. Some people may have seen a clamp meter used by electricians, which is a device used to measure alternating current. Its "clamp" is a through-core current transformer.
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