http://www.91way.com autotransformer zh-cn Www.91way.com Copyright 2011-2012 Www.91way.com, All Rights Reserved 2026-5-4 9:37:01 http://www.91way.com/info_en/13.html autotransformer 2026-5-2 13:50:25 The QZB series autotransformer is suitable for three-phase squirrel cage induction motors with AC 50Hz, rated voltage of 380v, and rated output capacity of 300kw and below. It is used for voltage reduction starting under infrequent operating conditions, utilizing the characteristics of transformer voltage reduction to reduce the starting current of the motor and improve the impact on the transmission network during motor starting.<br>Transformers shall be designed, manufactured, and inspected in accordance with GB14048.4 and relevant standards.<br><br>QZB-22KW QZB-30KW QZB-40KW QZB-55KW QZB-75KW QZB-100KW QZB-115KW QZB-135KW QZB-155KW QZB-160KW QZB-190KW QZB-225KW QZB-260KW ZB-280KW QZB-315KW QZB-350KW QZB-400KW<br><br>1、 Scope of application<br>The QZB series autotransformer is suitable for infrequent voltage reduction starting of three-phase squirrel cage induction motors with AC 50Hz, rated voltage 380V, and power ranging from 14KW to 300KW, in order to improve the impact of motor starting on the transmission network.<br><br>2、 Model and its meaning<br><br><img style="FILTER: ; WIDTH: 285px; HEIGHT: 170px" border="0" hspace="0" alt="QZB series autotransformer model description" src="/uploadfiles/2006-06/20060610_094644.gif" width="285" height="170"><br>3、 Appearance and installation dimensions<br><br><img style="FILTER: ; WIDTH: 476px; HEIGHT: 184px" border="0" hspace="0" alt="QZB series autotransformer external dimensions" src="/uploadfiles/2006-06/20060610_094700.jpg" width="476" height="184"><br><br>4、 Main technical parameters of QZB series autotransformer<br><br><table style="WIDTH: 650px; BORDER-COLLAPSE: collapse" border="1" cellspacing="0" cellpadding="0" width="650" align="center"><tbody><tr><td width="59" align="middle">model</td><td width="59" align="middle">Control electric<br>engine power<br>（Kw）</td><td width="59" align="middle">The longest job<br>Time (S)</td><td width="60" align="middle">Most at work<br>Current (A)</td></tr><tr><td width="59" align="middle">QZB</td><td width="59" align="middle">fourteen</td><td width="59" align="middle">thirty</td><td width="60" align="middle">twenty-eight</td></tr><tr><td width="59" align="middle">QZB-20</td><td width="59" align="middle">twenty</td><td width="59" align="middle">thirty</td><td width="60" align="middle">forty</td></tr><tr><td width="59" align="middle">QZB-28</td><td width="59" align="middle">twenty-eight</td><td width="59" align="middle">thirty</td><td width="60" align="middle">fifty-six</td></tr><tr><td width="59" align="middle">QZB-30</td><td width="59" align="middle">thirty</td><td width="59" align="middle">thirty</td><td width="60" align="middle">fifty-nine</td></tr><tr><td width="59" align="middle">QZB-40</td><td width="59" align="middle">forty</td><td width="59" align="middle">thirty</td><td width="60" align="middle">eighty</td></tr><tr><td width="59" align="middle">QZB-55</td><td width="59" align="middle">fifty-five</td><td width="59" align="middle">thirty</td><td width="60" align="middle">one hundred and ten</td></tr><tr><td width="59" align="middle">QZB-75</td><td width="59" align="middle">seventy-five</td><td width="59" align="middle">thirty</td><td width="60" align="middle">one hundred and forty-two</td></tr><tr><td width="59" align="middle">QZB-115</td><td width="59" align="middle">one hundred and fifteen</td><td width="59" align="middle">fifty</td><td width="60" align="middle">two hundred and thirty</td></tr><tr><td width="59" align="middle">QZB-135</td><td width="59" align="middle">one hundred and thirty-five</td><td width="59" align="middle">fifty</td><td width="60" align="middle">two hundred and seventy</td></tr><tr><td width="59" align="middle">QZB-190</td><td width="59" align="middle">seventy</td><td width="59" align="middle">seventy</td><td width="60" align="middle">three hundred and seventy</td></tr><tr><td width="59" align="middle">QZB-225</td><td width="59" align="middle">seventy</td><td width="59" align="middle">seventy</td><td width="60" align="middle">four hundred and ten</td></tr><tr><td width="59" align="middle">QZB-260</td><td width="59" align="middle">seventy</td><td width="59" align="middle">seventy</td><td width="60" align="middle">four hundred and seventy-five</td></tr><tr><td width="59" align="middle">QZB-300</td><td width="59" align="middle">seventy</td><td width="59" align="middle">seventy</td><td width="60" align="middle">five hundred and thirty-five</td></tr></tbody></table><br><table style="WIDTH: 650px; BORDER-COLLAPSE: collapse" border="1" cellspacing="0" cellpadding="0" width="650" align="center"><tbody><tr><td rowspan="2" width="47" align="middle">model</td><td width="61" colspan="2" align="middle">installation dimensions</td><td width="44" align="middle">mounting hole</td><td width="88" colspan="3" align="middle">Overall dimensions</td></tr><tr><td width="31" align="middle">A</td><td width="29" align="middle">C</td><td width="44" align="middle">K*J</td><td width="27" align="middle">B</td><td width="28" align="middle">D</td><td width="28" align="middle">E</td></tr><tr><td width="47" align="middle">QZB-14</td><td width="31" align="middle">two hundred and thirty</td><td width="29" align="middle">one hundred and fifteen</td><td width="44" align="middle">12*20</td><td width="28" align="middle">two hundred and eighty</td><td width="29" align="middle">one hundred and forty-four</td><td width="28" align="middle">two hundred and twenty-six</td></tr><tr><td width="47" align="middle">QZB-17</td><td width="31" align="middle">two hundred and thirty</td><td width="29" align="middle">one hundred and fifteen</td><td width="44" align="middle">12*20</td><td width="28" align="middle">two hundred and eighty</td><td width="29" align="middle">one hundred and forty-four</td><td width="28" align="middle">two hundred and twenty-six</td></tr><tr><td width="47" align="middle">QZB-20</td><td width="31" align="middle">two hundred and seventy-two</td><td width="29" align="middle">one hundred and five</td><td width="44" align="middle">8*20</td><td width="28" align="middle">two hundred and seventy-nine</td><td width="29" align="middle">one hundred and thirty-eight</td><td width="28" align="middle">two hundred and twenty-nine</td></tr><tr><td width="47" align="middle">QZB-22</td><td width="31" align="middle">two hundred and seventy-two</td><td width="29" align="middle">one hundred and five</td><td width="44" align="middle">8*20</td><td width="28" align="middle">two hundred and seventy-nine</td><td width="29" align="middle">one hundred and thirty-eight</td><td width="28" align="middle">two hundred and twenty-nine</td></tr><tr><td width="47" align="middle">QZB-28</td><td width="31" align="middle">two hundred and eighty-four</td><td width="29" align="middle">one hundred and thirteen</td><td width="44" align="middle">9*20</td><td width="28" align="middle">three hundred and twenty-one</td><td width="29" align="middle">one hundred and fifty-three</td><td width="28" align="middle">two hundred and sixty-one</td></tr><tr><td width="47" align="middle">QZB-30</td><td width="31" align="middle">two hundred and eighty-four</td><td width="29" align="middle">one hundred and thirteen</td><td width="44" align="middle">9*20</td><td width="28" align="middle">three hundred and twenty-one</td><td width="29" align="middle">one hundred and fifty-three</td><td width="28" align="middle">two hundred and sixty-one</td></tr><tr><td width="47" align="middle">QZB-40</td><td width="31" align="middle">two hundred and seventy</td><td width="29" align="middle">one hundred and twenty-eight</td><td width="44" align="middle">12*40</td><td width="28" align="middle">three hundred and seventy-one</td><td width="29" align="middle">one hundred and sixty-eight</td><td width="28" align="middle">two hundred and eighty-two</td></tr><tr><td width="47" align="middle">QZB-45</td><td width="31" align="middle">two hundred and seventy</td><td width="29" align="middle">one hundred and twenty-eight</td><td width="44" align="middle">10*48</td><td width="28" align="middle">three hundred and seventy-one</td><td width="29" align="middle">one hundred and sixty-eight</td><td width="28" align="middle">two hundred and eighty-two</td></tr><tr><td width="47" align="middle">QZB-55</td><td width="31" align="middle">two hundred and forty-eight</td><td width="29" align="middle">one hundred and thirty-two</td><td width="44" align="middle">φ14</td><td width="28" align="middle">three hundred and fifty-two</td><td width="29" align="middle">one hundred and sixty-three</td><td width="28" align="middle">two hundred and eighty</td></tr><tr><td width="47" align="middle">QZB-75</td><td width="31" align="middle">two hundred and forty-six</td><td width="29" align="middle">one hundred and twenty-five</td><td width="44" align="middle">φ14</td><td width="28" align="middle">three hundred and seventy-one</td><td width="29" align="middle">one hundred and sixty-four</td><td width="28" align="middle">two hundred and ninety-five</td></tr><tr><td width="47" align="middle">QZB-115</td><td width="31" align="middle">three hundred and twelve</td><td width="29" align="middle">one hundred and sixty-one</td><td width="44" align="middle">12*18</td><td width="28" align="middle">three hundred and ninety-two</td><td width="29" align="middle">two hundred and three</td><td width="28" align="middle">three hundred and fifteen</td></tr><tr><td width="47" align="middle">QZB-135</td><td width="31" align="middle">three hundred and ten</td><td width="29" align="middle">one hundred and sixty-eight</td><td width="44" align="middle">12*18</td><td width="28" align="middle">three hundred and ninety-one</td><td width="29" align="middle">two hundred and seven</td><td width="28" align="middle">three hundred and forty-two</td></tr></tbody></table><p align="center"><br>QZB series autotransformer<br><br></p> http://www.91way.com/info_en/23531.html 自耦变压器 2026-2-1 19:56:07 SAT系列三相干式自耦变压器额定容量分：<BR>1、3、5、8、10、15、20、30、40、50、60、80、100、120、150、180、200、250、300、350、400、500、600、700、800、1000KVA。 <BR><BR><A href="http://www.91way.com/upload2013/201307/20130710180712184.jpg" target=_blank><IMG style="FILTER: ; WIDTH: 680px; HEIGHT: 280px" border=0 hspace=0 alt=SAT系列三相干式自耦变压器型号说明 src="/upload2013/201307/20130710180712184.jpg" width=680 height=280></A><BR> http://www.91way.com/info_en/7254.html 自耦变压器 2026-1-30 18:03:46 OSG系列自耦变压器与同容量的一般变压器相比较具有体积小、结构简单等优点，尤其在变压比接近1的场合显得特别经济。其结构<BR><BR>特点如下： <BR>1,节能低噪：采用优质冷轧硅钢片、耐高温的绝缘材质及特殊真空浸漆工艺，使变压器更加节能、更加宁静。 <BR>2，高可靠性：结构合理，在质保体系及可靠性工程等方面进行大量的基础研究及可靠性认证，性能指标完全符合变压器国家相关标准要求，运行可靠，可长期负载连续工作。 <BR>3，环保特性：具有耐热性，防潮性，稳定性，化学兼容性，低温性，抗辐射性和无毒性。 <BR>执行标准 <BR>1. JB/T9646-1999变压器标准 <BR>2. GB1094.11-2007国家电力变压器标准 <BR>容量：0.5KVA~5000KVA <BR>绝缘等级：F级或H级 <BR><BR>使用条件 <BR>a.海拔不超过2000m。 <BR>b.环境温度-25~+45℃，相对湿度不超过90%。 <BR>c.电源电压的波形近似于正弦波。 <BR>d.周围无有害气体，无易燃易爆物品。 <BR>e.多相变压器所连接的电源电压应近似对称。 <BR><BR> http://www.91way.com/info_en/5865.html 自耦变压器 2026-1-18 17:42:01 产品说明： <BR>3AT型系列三相可调升降变压器是三相自耦式多抽头变压器，主要用作交流电源电压变换、改变输入或输出接线方式，可以获得多种升压或降压的输出电压，适用于各种性质的负载，凡需要交流电压转换的家用电器、仪器设备，均可使用本产品 <BR><BR>3AT型系列三相可调升降变压器技术数据：<BR><BR> <DIV align=center> <TABLE style="WIDTH: 650px; BORDER-COLLAPSE: collapse" border=1 cellSpacing=0 cellPadding=0 width=650 align=center> <TBODY> <TR> <TD width="10%"> <DIV align=center>型号 </DIV></TD> <TD width="10%"> <DIV align=center>容量 <BR>(KVA) </DIV></TD> <TD width="6%"> <DIV align=center>相数 <BR>(φ) </DIV></TD> <TD width="8%"> <DIV align=center>频率 <BR>(Hz) </DIV></TD> <TD width="12%"> <DIV align=center>输入电压 <BR>(V) </DIV></TD> <TD width="13%"> <DIV align=center>输出电压 <BR>(V) </DIV></TD> <TD width="12%"> <DIV align=center>额定输出 <BR>(A) </DIV></TD> <TD width="19%"> <DIV align=center>外形尺寸 <BR>L×W×H<BR>(mm) </DIV></TD> <TD width="10%"> <DIV align=center>重量 <BR>(kg)</DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-3 </DIV></TD> <TD width="10%"> <DIV align=center>3 </DIV></TD> <TD rowSpan=9 width="6%"> <DIV align=center>3 </DIV></TD> <TD rowSpan=9 width="8%"> <DIV align=center>50~60 </DIV></TD> <TD rowSpan=9 width="12%"> <DIV align=center>380 <BR>400 <BR>420 </DIV></TD> <TD rowSpan=9 width="13%"> <DIV align=center>220 <BR>240 <BR>(其中有一<BR><BR>相电压110) </DIV></TD> <TD width="12%"> <DIV align=center>8 </DIV></TD> <TD width="19%"> <DIV align=center>270X450X405 </DIV></TD> <TD width="10%"> <DIV align=center>25 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-5 </DIV></TD> <TD width="10%"> <DIV align=center>5 </DIV></TD> <TD width="12%"> <DIV align=center>13 </DIV></TD> <TD width="19%"> <DIV align=center>270X450X405 </DIV></TD> <TD width="10%"> <DIV align=center>32 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-10 </DIV></TD> <TD width="10%"> <DIV align=center>10 </DIV></TD> <TD width="12%"> <DIV align=center>26 </DIV></TD> <TD width="19%"> <DIV align=center>425X365X400 </DIV></TD> <TD width="10%"> <DIV align=center>55 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-15 </DIV></TD> <TD width="10%"> <DIV align=center>15 </DIV></TD> <TD width="12%"> <DIV align=center>39 </DIV></TD> <TD width="19%"> <DIV align=center>425X365X400 </DIV></TD> <TD width="10%"> <DIV align=center>20 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-20 </DIV></TD> <TD width="10%"> <DIV align=center>20 </DIV></TD> <TD width="12%"> <DIV align=center>52 </DIV></TD> <TD width="19%"> <DIV align=center>535X355X820 </DIV></TD> <TD width="10%"> <DIV align=center>118 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-25 </DIV></TD> <TD width="10%"> <DIV align=center>25 </DIV></TD> <TD width="12%"> <DIV align=center>66 </DIV></TD> <TD width="19%"> <DIV align=center>535X355X830 </DIV></TD> <TD width="10%"> <DIV align=center>140 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-30 </DIV></TD> <TD width="10%"> <DIV align=center>30 </DIV></TD> <TD width="12%"> <DIV align=center>79 </DIV></TD> <TD width="19%"> <DIV align=center>565X355X840 </DIV></TD> <TD width="10%"> <DIV align=center>160 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-50 </DIV></TD> <TD width="10%"> <DIV align=center>50 </DIV></TD> <TD width="12%"> <DIV align=center>131 </DIV></TD> <TD width="19%"> <DIV align=center>625X385X1015 </DIV></TD> <TD width="10%"> <DIV align=center>235 </DIV></TD></TR> <TR> <TD width="10%"> <DIV align=center>3AT-100 </DIV></TD> <TD width="10%"> <DIV align=center>100 </DIV></TD> <TD width="12%"> <DIV align=center>260 </DIV></TD> <TD width="19%"> <DIV align=center>625X385X1015 </DIV></TD> <TD width="10%"> <DIV align=center>270 </DIV></TD></TR></TBODY></TABLE></DIV><BR> http://www.91way.com/info_en/23532.html 自耦变压器 2026-1-7 19:08:57 DAT系列单相干式自耦变压器额定容量分：<BR>0.5、1、2、3、5、8、10、15、20、25、30、40、50、60、80、100、120、150、180、200、250、300KVA。 <BR><BR><A href="http://www.91way.com/upload2013/201307/20130710180929546.jpg" target=_blank><IMG style="FILTER: ; WIDTH: 680px; HEIGHT: 278px" border=0 hspace=0 alt=DAT系列单相干式自耦变压器型号说明 src="/upload2013/201307/20130710180929546.jpg" width=680 height=278></A><BR>