固态高频焊机的逆变输出柜

● 逆变部分由MOSFET单相逆变桥并联组成，单桥功率设计为120kW/60kW，逆变桥选用积木式方式完成功率叠加，每块桥板均设计为由滑道组成的抽屉式结构，方便装置与修理；

● 选用匹配变压器完成功率组成，选用次级谐振、无焊接变压器输出方式，由槽路谐振电容器（低压）与感应器直接谐振，经过输出极板实现钢管焊接所需功率的传递。

● 选用密封机箱，装置顶置空调。

Inverter Output Cabinet

● The inverter part is consisted of MOSFET single phase invert bridge in parallel style. Each bridge’s design power is 120 kW/60kW. We adopt building block mode to pile up power, it’s very convenient to install and maintenance because every single bridge board is designed as drawer structure consisted of slideway.

● We adopt matching transformer to realize power combination, also we adopt sub-resonance, no-welding transformer output mode and make resonance directly by tank resonance capacitor (low voltage) and inductor to achieve steel pipe welding power transmission by output lead.

● Use sealed box and install overhead air conditioning.