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What is the specific function of the three-phase isolation transformer used on the machine tool?

2025-05-10

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The main function of the so-called isolation transformer is to completely insulate the primary side from the secondary side and isolate the circuit. In addition, the high-frequency loss of its iron core is used to suppress the high-frequency clutter from entering the control loop.   Using isolation transformer to suspend the secondary to the ground can only be used in occasions with small power supply range and short circuit. At this time, the capacitive current to ground of the system is not small enough to cause personal injury. Another very important role is to protect personal safety! Isolate hazardous voltages.