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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This paper elaborate the main points of erection and characteristics of commissioning on the inverter frequency furnace's water, hydraulic electric system.

阐述了进口变频炉的水、液压、电气系统的安装要点与电炉调试的特点。

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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