High inverter frequency, obviously improved the efficiency of the machine. high energy saving ability.

逆变频率高，明显提高了整机效率，节能效果显著。

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IGBT power modules, 18khz inverter frequency, fast response time, high arc stability, almost spatter-free welding.

采用IGBT模块，逆变频率达18khz，动态响应速度快、稳定性能好、。

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The paper studies digital control scheme of resonance inverter frequency-tracking based on all digital phase-locked loop.

本文主要研究了基于全数字锁相环的谐振型逆变器频率跟踪的数字化控制方案。

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The photovoltaic panels generate electricity when exposed to sunlight and are connected to the building's power supply via an inverter synchronised to the electricity main's frequency.

BBC: Solar power for City Works centre in Gloucester