中频电炉设施是一种将三相工频交流电能静止变换成中频单相交流电能的静止变频装置。设施分中频电源、无芯感应炉体（中频炉）两部分，辅助部分为循环水系统及工频供电系统（变压器或母线）。久立大功率中频电炉由KGPS型大功率中频电源12000KW～20000KW/24脉整流模式组成。这些大功率中频电炉目前主要用于熔炼，也非常适合大型金属（钢、铜、铝等）工件和型材（管、板、带、棒等）的升温加热。 The medium frequency furnace facility is a static frequency conversion device that converges the energy of the three-phase operator to the medium frequency single phase. Two parts of medium frequency power supply and no core induction furnace (medium frequency furnace), the auxiliary part is the circulating water system and the power supply system (transformer or bus line). The high power medium frequency electric furnace is composed of the KGPS power supply 12000KW ~ 20000KW / 24 pulse rectifier mode. These high power medium frequency electric furnace is mainly used for smelting, is also very suitable for large metal (steel, copper, aluminum, etc.) artifacts and profiles (pipe, plate, belt, rods, etc.) of the warming heat. 1、中频电源：由中频电源柜、电容补偿架两部分组成。 Medium frequency power supply: it consists of two parts: medium frequency power supply and capacitor compensation. 随着设施功率的提高，中频电源的供电电压也有所不通：目前国内常见的有380V，575V，660V，750V，950V，1100V；供电相数分为三相，六相，十二相。 As the power of the facility increases, the power supply voltage of the medium frequency power supply is also not working: at present, there are 380V in China, 575V, 660V, 750V, 950V, 1100V. The power supply phase is divided into three phases, six phases and twelve phases. 　　中频电源柜构成：主开关，整流可控硅，逆变可控硅，主控制板，平波电抗器。 Medium frequency power supply cabinet: main switch, rectifying silicon, inverter silicon, main control panel, flat wave reactor. 　　主控制板的重要性：相当于人的大脑。目前采用最广泛的是恒功率主控制板，有波峰焊和手工焊两种工艺，波峰焊工艺稳定，故障率低。 The importance of the main control board: the human brain. At present, the most widely used is the constant power main control board, which has the wave peak welding and manual welding technique, the wave peak welding process is stable, the failure rate is low.