The main task of the control transformer is to change the voltage, which is divided into step-down transformer and step-up transformer. The turns of the original and secondary windings are not equal. Isolation transformer is not the main task of control transformer. Some transformers are not isolated from the original and secondary sides, such as autotransformer.
2. Isolation transformer means that the primary and secondary coils are separated on the DC circuit. Control transformer refers to the transformer used for machine tool and equipment control circuit, which generally changes high voltage into low voltage.
3. Isolation transformer is mainly used to isolate power supply and load, so that there is no direct electrical connection between the two sides. It is generally used in low-voltage instruments and experiments. The control transformer controls the electrical equipment within a required range of use according to the voltage and current required by the electrical equipment.
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