[原创]300MW纯凝机组改供热机组的控制研究及应用

<p class="1" style="MARGIN: 5pt 0cm;"><font size="6"><font face="黑体"><strong><span lang="EN-US">300MW</span>纯凝机组改供热机组的控制研究及应用</strong></font></font></p><p class="2" style="MARGIN: 0cm 0cm 5pt;"><span lang="EN-US"><a href="http://film.eptchina.cn/"><font size="5"><font face="宋体"><strong><span lang="EN-US" style="mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-ansi-font-size: 14.0pt;"><span lang="EN-US">马呈霞^{1<span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>}<span style="mso-spacerun: yes;">&nbsp;</span></span></span><span lang="EN-US" style="mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-ansi-font-size: 14.0pt;"><span lang="EN-US">张丽娟^{2<span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>}</span></span><span lang="EN-US" style="mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-ansi-font-size: 14.0pt;"><span lang="EN-US">张世才^{1<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp; </span>}</span></span><span lang="EN-US" style="mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-ansi-font-size: 14.0pt;"><span lang="EN-US">郭涛^{1<span style="mso-spacerun: yes;">&nbsp;&nbsp; </span>}</span></span><span lang="EN-US" style="mso-fareast-font-family: 仿宋_GB2312; mso-bidi-font-size: 14.0pt; mso-ansi-font-size: 14.0pt;"><span lang="EN-US">杨新华²</span></span></strong></font></font></a>^<p></p></span></p><p class="3" style="MARGIN: 0cm 0cm 7pt;"><font face="楷体_GB2312"><strong>（<span lang="EN-US">1.</span>甘肃电力科学研究院<span lang="EN-US">, </span>甘肃 兰州，<span lang="EN-US">730050</span>；</strong></font></p><p class="3" style="MARGIN: 0cm 0cm 7pt;"><font face="楷体_GB2312"><strong><span lang="EN-US">2.</span>兰州理工大学 <span style="mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">电气工程与信息工程学院，甘肃 兰州，<span lang="EN-US">730050</span></span>）</strong></font></p><p class="4" style="MARGIN: 0cm 0cm 0pt;"><strong><span style="FONT-FAMILY: 黑体;">摘要：</span><font face="宋体"><span style="mso-ansi-language: ZH-CN;">嘉峪关宏晟电热公司</span><span lang="EN-US" style="mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">2×3OOMW</span><span style="mso-ansi-language: ZH-CN;">纯凝机组</span>，<span style="mso-ansi-language: ZH-CN;">是甘肃省内首家通过采用就地</span><span lang="EN-US">LC </span>（<span lang="EN-US">rogrammable Logic Control</span>）<span style="mso-ansi-language: ZH-CN;">及</span><span lang="EN-US">DEH (Digital Electro-hydraulic Control) </span><span style="mso-ansi-language: ZH-CN;">协同控制低压抽汽蝶阀</span>，<span style="mso-ansi-language: ZH-CN;">实现纯凝机组增加抽汽供热功能的大型机组。</span><span style="mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;">本文</span><span style="mso-bidi-font-weight: bold;">针对</span><span lang="EN-US">300MW</span>纯凝机组改供热机组，其控制方式<span style="mso-bidi-font-weight: bold;">可能存在不合理及不完善的地方会对主机造成安全隐患。通过修改低压蝶阀、快关阀等控制逻辑，增加中压缸排汽压力大及高压缸排汽温度高主机保护，经多次静态及动态试验对纯凝机组增加抽汽供热功能的投入进行论证考核，证明新的控制策略能够保证机组增加抽汽供热功能后的安全经济运行。<span lang="EN-US"><p></p></span></span></font></strong></p><p class="5" style="MARGIN: 6pt 0cm 10pt;"><strong><font size="2"><span style="FONT-FAMILY: 黑体; mso-ascii-font-family: 宋体;">关键词：</span><span lang="EN-US" style="mso-fareast-font-family: 宋体;"><a href="http://www.eptchina.cn/html/meterial/"><font face="宋体"><span style="mso-bidi-font-size: 9.0pt; mso-ansi-font-size: 9.0pt;">300MW</span><span lang="EN-US" style="mso-bidi-font-size: 9.0pt; mso-ansi-font-size: 9.0pt;"><span lang="EN-US">、</span></span><span lang="EN-US" style="mso-bidi-font-size: 9.0pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ansi-font-size: 9.0pt;"><span lang="EN-US">抽汽供热机组</span></span><span lang="EN-US" style="mso-bidi-font-size: 9.0pt; mso-ansi-font-size: 9.0pt;"><span lang="EN-US">、</span></span><span lang="EN-US" style="mso-bidi-font-size: 9.0pt; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ansi-font-size: 9.0pt;"><span lang="EN-US">供热蝶阀</span></span><span lang="EN-US" style="mso-bidi-font-size: 9.0pt; mso-ansi-font-size: 9.0pt;"><span lang="EN-US">、</span></span><span lang="EN-US" style="mso-bidi-font-size: 9.0pt; mso-ansi-font-size: 9.0pt;"><span lang="EN-US">控制策略</span></span><span lang="EN-US" style="mso-bidi-font-size: 9.0pt; mso-ansi-font-size: 9.0pt;"><span lang="EN-US">
                                                                </span></span><span style="mso-bidi-font-size: 10.5pt; mso-ansi-font-size: 9.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style="mso-fareast-font-family: 黑体; mso-bidi-font-size: 10.5pt; mso-ansi-font-size: 9.0pt;"><span style="mso-spacerun: yes;">&nbsp;&nbsp;</span></span></font></a></span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;"><font face="宋体"><span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><p></p></font></span></font></strong></p>

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