PAGE\*MERGEFORMAT851兰州理工大学毕业设计说明书第页共NUMPAGES89页TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc170119914"第1章绪论PAGEREF_Toc170119914\h1HYPERLINK\l"_Toc170119915"1.1传统电镀电源存在的问题PAGEREF_Toc170119915\h1HYPERLINK\l"_Toc170119916"1.2双极性脉冲式变压变频电镀电源的优点PAGEREF_Toc170119916\h1HYPERLINK\l"_Toc170119917"1.3本设计的内容PAGEREF_Toc170119917\h2HYPERLINK\l"_Toc170119918"第2章电源总体方案的确定PAGEREF_Toc170119918\h3HYPERLINK\l"_Toc170119919"2.1方案选择原则概述PAGEREF_Toc170119919\h3HYPERLINK\l"_Toc170119920"2.2双极性脉冲式变压变频电镀电源的工作原理PAGEREF_Toc170119920\h3HYPERLINK\l"_Toc170119921"2.3双极性脉冲式变压变频电镀电源的系统组成PAGEREF_Toc170119921\h3HYPERLINK\l"_Toc170119922"2.3.1整流主电路PAGEREF_Toc170119922\h4HYPERLINK\l"_Toc170119923"2.3.2逆变主电路PAGEREF_Toc170119923\h4HYPERLINK\l"_Toc170119924"第3章主电路的设计PAGEREF_Toc170119924\h6HYPERLINK\l"_Toc170119925"3.1整流电路方案的确定PAGEREF_Toc170119925\h6HYPERLINK\l"_Toc170119926"3.1.1整流变压器PAGEREF_Toc170119926\h8HYPERLINK\l"_Toc170119927"3.1.2晶闸管的选择PAGEREF_Toc170119927\h9HYPERLINK\l"_Toc170119928"3.1.3晶闸管的保护PAGEREF_Toc170119928\h10HYPERLINK\l"_Toc170119929"3.2中间滤波电路的设计PAGEREF_Toc170119929\h14HYPERLINK\l"_Toc170119930"3.3逆变电路的设计PAGEREF_Toc170119930\h16HYPERLINK\l"_Toc170119931"3.3.1逆变电路的选择PAGEREF_Toc170119931\h16HYPERLINK\l"_Toc170119932"3.3.2功率开关器件的选择PAGEREF_Toc170119932\h18HYPERLINK\l"_Toc170119933"3.3.3IGBT的保护PAGEREF_Toc170119933\h19HYPERLINK\l"_Toc170119934"3.4过电流检测电路的设计PAGEREF_Toc170119934\h21HYPERLINK\l"_Toc170119935"3.4.1霍尔传感器模块的特点PAGEREF_Toc170119935\h21HYPERLINK\l"_Toc170119936"3.4.2霍尔电流传感器（CHV－100）接线PAGEREF_Toc170119936\h22HYPERLINK\l"_Toc170119937"3.4.3电流传感器模块的设计计算PAGEREF_Toc170119937\h23HYPERLINK\l"_Toc170119938"3.5吸收电路参数计算PAGEREF_Toc170119938\h23HYPERLINK\l"_Toc170119939"第4章控制电路的设计PAGEREF_Toc170119939\h25HYPERLINK\l"_Toc170119940"4.1概述PAGEREF_Toc170119940\h25HYPERLINK\l"_Toc17011994