The main functions of the single-phase isolated machine tool control transformer include
As a machine tool, mechanical equipment in the electrical control, lighting and indicator power. This kind of transformer is suitable for AC 50Hz or 60Hz, voltage 1000V and below circuit, can work continuously for a long time under rated load
Anti-interference. For example, after wiring through Y/A, the transmission of a part of the harmonics can be prevented .
Impedance transformation. Increase the system impedance to make it easier to fit in with protective devices, etc. .
Stabilize the system voltage. For example, when starting a heavy load device, reduce the impact on the system voltage
Prevent grounding of the system. When single-phase grounding occurs on the load side of the isolated transformer, it will not cause the entire system to be single-phase grounded
23 organisation
Low short circuit current. When a short-circuit accident occurs on the load side, limit the short-circuit current of the system
Provide a safe power supply. Generally used for machine maintenance, play a protection, lightning protection, filtering role