單(dan)相電(dian)爐變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi),包(bao)括:單(dan)個(ge)磁芯(xin),所(suo)述(shu)(shu)磁芯(xin)具有兩(liang)個(ge)旁(pang)芯(xin)柱(zhu)(zhu)和(he)至少(shao)一(yi)(yi)個(ge)主(zhu)(zhu)芯(xin)柱(zhu)(zhu);主(zhu)(zhu)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi),具有設置于(yu)(yu)所(suo)述(shu)(shu)至少(shao)一(yi)(yi)個(ge)主(zhu)(zhu)芯(xin)柱(zhu)(zhu)上的第(di)(di)一(yi)(yi)一(yi)(yi)次側(ce)(ce)(ce)繞(rao)組(zu)(zu)(zu)(zu)(zu)和(he)第(di)(di)一(yi)(yi)二(er)次側(ce)(ce)(ce)繞(rao)組(zu)(zu)(zu)(zu)(zu),其(qi)中所(suo)述(shu)(shu)第(di)(di)一(yi)(yi)一(yi)(yi)次側(ce)(ce)(ce)繞(rao)組(zu)(zu)(zu)(zu)(zu)由彼此串聯的第(di)(di)一(yi)(yi)繞(rao)組(zu)(zu)(zu)(zu)(zu)和(he)第(di)(di)二(er)繞(rao)組(zu)(zu)(zu)(zu)(zu)構成;以及調(diao)壓(ya)(ya)(ya)(ya)自耦變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi),設置于(yu)(yu)所(suo)述(shu)(shu)磁芯(xin)的兩(liang)個(ge)旁(pang)芯(xin)柱(zhu)(zhu)之(zhi)一(yi)(yi)上并(bing)具有第(di)(di)二(er)一(yi)(yi)次側(ce)(ce)(ce)繞(rao)組(zu)(zu)(zu)(zu)(zu)和(he)第(di)(di)二(er)二(er)次側(ce)(ce)(ce)繞(rao)組(zu)(zu)(zu)(zu)(zu),其(qi)中所(suo)述(shu)(shu)第(di)(di)二(er)二(er)次側(ce)(ce)(ce)繞(rao)組(zu)(zu)(zu)(zu)(zu)是具有有載分接開(kai)關的可(ke)調(diao)繞(rao)組(zu)(zu)(zu)(zu)(zu)且(qie)該可(ke)調(diao)繞(rao)組(zu)(zu)(zu)(zu)(zu)串聯于(yu)(yu)所(suo)述(shu)(shu)主(zhu)(zhu)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)的第(di)(di)一(yi)(yi)繞(rao)組(zu)(zu)(zu)(zu)(zu)和(he)第(di)(di)二(er)繞(rao)組(zu)(zu)(zu)(zu)(zu)之(zhi)間(jian)(jian).本(ben)發明的單(dan)相電(dian)爐變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)避免了(le)(le)電(dian)網過(guo)電(dian)壓(ya)(ya)(ya)(ya)對調(diao)壓(ya)(ya)(ya)(ya)繞(rao)組(zu)(zu)(zu)(zu)(zu)和(he)調(diao)壓(ya)(ya)(ya)(ya)開(kai)關的直接作用(yong),降低(di)了(le)(le)主(zhu)(zhu)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)一(yi)(yi)次繞(rao)組(zu)(zu)(zu)(zu)(zu)兩(liang)線端之(zhi)間(jian)(jian)的電(dian)壓(ya)(ya)(ya)(ya).此外,本(ben)發明還將調(diao)壓(ya)(ya)(ya)(ya)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)繞(rao)組(zu)(zu)(zu)(zu)(zu)設置在(zai)主(zhu)(zhu)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)旁(pang)柱(zhu)(zhu)上,降低(di)了(le)(le)材料和(he)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)損耗,減(jian)少(shao)了(le)(le)變(bian)(bian)壓(ya)(ya)(ya)(ya)器(qi)(qi)安(an)裝(zhuang)空間(jian)(jian).
