三相工频交流电
[来源:原创] [作者:aywl] [日期:17-02-15] [浏览次数:]
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。 Intermediate frequency electric furnace is a kind of three-phase ac power frequency electrical static transformation into intermediate frequency of single-phase ac power static frequency conversion device. Facilities of intermediate frequency power supply, coreless induction furnace (intermediate frequency furnace) two parts, auxiliary part for circulating water system and power supply system of power frequency transformer (or bus). Long standing high power medium frequency electric furnace from KGPS type high power medium frequency power 12000 kw to 20000 kw / 24 pulse rectifier pattern. 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。 1, medium frequency power supply: the medium frequency power supply cabinets, capacitance compensation in two parts. 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。 With the improvement of power facilities, power supply voltage of intermediate frequency power supply is not: the current domestic common 380 v, 575 v, 660 v, 750 v, 950 v, 1100 v; Power supply phase number is divided into three phase, and six and twelve phase.   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: the main switch, rectifier thyristor, thyristor inverter, the main control board, 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 equivalent of the human brain. The most widely used is a main control board, constant power has two kinds of wave crest welding and manual welding process, wave soldering process stability, low failure rate.
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