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ZX7 inverter inverter welding commonly used main circuit structure
ZX7 welding inverter welding machine commonly used main circuit structure is like? Blu-ray welding machine manufacturers to introduce the inverter welding machine under the ZX7 commonly used three kinds of main circuit structure.
ZX7 inverter inverter welding machine commonly used main circuit structure is divided into: single-ended forward circuit, half-bridge circuit, bridge circuit three.
1, single-ended forward circuit: mainly used in low-power inverter inverter circuit, this circuit is characterized by a circuit power switch device, the circuit is very simple, the power switch components will not happen through the phenomenon, easier to protect, but Power transformer utilization is low, easily lead to voltage spikes.
2, half-bridge circuit: There are mainly two capacitors and two power switching devices and the main transformer components, power switching devices and bridge capacity with less than half of the power switching device current than the same capacity of the bridge circuit high Many anti-transformer bias capacity is better, there is a disadvantage, high current fixed power switch price is relatively high, so half are used in small and medium-power inverter inverter inverter welding machine ZX7.
3, the bridge circuit: This circuit is composed of 4 power switching devices and transformers, the current in the switching element less than half the half-bridge circuit is used as a high-power inverter welding machine, the output power of 400A and above are Is the use of such a structure, the disadvantage is that it does not have anti-transformer bias capability.