Isolating the role of the transformer

Isolation transformer refers to the transformer with electrical isolation between the input winding and the output winding. The isolation transformer is used to avoid accidentally touching the live body at the same time. The isolation of the transformer is to isolate the respective current of the original secondary winding coil. Early for European countries used in the power industry, widely used in the electronics industry or industrial and mining enterprises, machine tools and mechanical equipment in the general circuit control power supply, safety lighting and indicator power.

Isolation transformer belongs to the safety power supply, generally used for machine repair, maintenance, protection, lightning protection, filtering function.

The main function of the isolation transformer is: make the primary side and the secondary side of the electrical insulation, but also make the circuit isolation. In addition, the high frequency loss of the iron core is used to restrain the high frequency clutter into the control loop. The isolation transformer can only be used in the case of small power supply range and short line. At this point, the capacitive current of the system to Earth is too small to cause personal injury. There is also a very important role is to protect personal safety! Isolate dangerous voltages.

With the continuous development of power system, transformer as the key equipment in power system plays an increasingly important role, its safe operation is directly related to the reliability of the whole power system operation. Transformer coil deformation refers to the axial and amplitude-dimensional changes, body displacement, coil distortion and other situations that occur after the coil is stressed. There are two main reasons for transformer coil deformation: one is that the transformer is inevitably affected by external short circuit fault in operation; the other is that the transformer has an accidental collision in the process of transportation and hoisting.

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