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href="/Article/ArticleList9/" target="_blank">案例应用</a> >> <span>正文</span></div> <!-- main_content begin--> <div class="maincontent"> <!-- left begin --> <div class="news_left"> <div class="brand_news_details"> <h1>关于无扰动快速切换装¾|®DCM635¾pÕdˆ—在石油化工典型供ç”늳»¾lŸä¸­çš„应用分æž?/h1><table style="border-bottom:1px dotted #e4e4e4;" align="center"><tr><td><div class="news_mes">文章来源åQšã€æœ¬ç«™åŽŸåˆ›ã€?作者:南京国高甉|°” 点击åQ?span id="HitNum"></span>‹Æ?旉™—´åQ?span id="dTime">2021/1/28 17:44:59</span><input type="hidden" id="ID" value="100923319"/><input type="hidden" id="TypeID" value="2"/></div> </td> <td><div id="ckepop"></div></td></tr></table><div id="Content" style="display:none;">[关于无扰动快速切换装¾|®DCM635¾pÕdˆ—在石油化工典型供ç”늳»¾lŸä¸­çš„应用分析]:【摘要】简要概˜q°çŸ³æ²¹åŒ–工系¾lŸé…ç”늳»¾lŸï¼ŒDCM635¾pÕdˆ—无扰动快速切换装¾|®åœ¨çŸÏxÑa化工典型供电¾pȝ»Ÿçš„工作过½E‹ï¼Œæ— æ‰°åŠ¨å¿«åˆ‡è£…¾|®çš„特点åQŒæ— æ‰°åŠ¨è£…置在石油化工配ç”늳»¾lŸä¾›ç”µå¯é æ€§çš„意义。【关键词】无扰动快切、备è‡?..</div><div class="brand_news_con"><p class="MsoNormal"> <span>【摘要】简要概˜q°çŸ³æ²¹åŒ–工系¾lŸé…ç”늳»¾lŸï¼Œ</span>DCM635<span>¾pÕdˆ—无扰动快速切换装¾|®åœ¨çŸÏxÑa化工典型供电¾pȝ»Ÿçš„工作过½E‹ï¼Œæ— æ‰°åŠ¨å¿«åˆ‡è£…¾|®çš„特点åQŒæ— æ‰°åŠ¨è£…置在石油化工配ç”늳»¾lŸä¾›ç”µå¯é æ€§çš„意义ã€?/span> </p> <p class="MsoNormal"> 【关键词】无扰动快切、备自投切换、厂用电切换、用电连¾l­æ€?</p> <p class="MsoNormal">   </p> <p class="MsoNormal"> 一、概˜q?</p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> 矛_Œ–行业是国民经‹¹Žçš„支柱行业之一åQŒåŸºæœ¬ä¸Šæ˜¯å¤§åž‹å’Œç‰¹å¤§åž‹è”合企业,是国家的重点企业。石化行业由于生产工艺流½E‹çš„ç‰ÒŽ®Šæ€§ï¼Œä¾›ç”µè´¨é‡è¦æ±‚很高åQŒç”µ¾|‘å…¬åæ€¾›ç”‰|ˆ–自备电厂的供电都会因故障或负荷冲å‡È­‰åŽŸå› åQŒäñ”生计划外停电、过电压或晃ç”늭‰çŽ°è±¡ã€‚因矛_Œ–行业大量甉|œºè´Ÿè²ç‰ÒŽ€§ï¼Œéžæ­£å¸¸åœç”늎°è±¡çš„发生往往会引赯‚®¾å¤‡åœ˜qæˆ–½Iø™{、工艺流½E‹ä¸­æ–­ï¼Œç”šè‡³ç›´æŽ¥å¯ÆD‡´é‡å¤§äº‹æ•…ã€?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> <span>对大多数企业来书低压备自投装¾|®å¯ä»¥æ»¡­‘³ä‹É用要求,通过装设</span>DCM631<span>¾pÕdˆ—低压备自投对˜q›çº¿åˆ†æ®µä»¥åŠå‘电æœø™¿›è¡Œè‡ªåŠ¨æŠ•åˆ‡ï¼Œå®Œå…¨æ»¡èƒö停电的自动恢复,而石化企业往往装设有大量的电动æœø™´ŸèøP¼Œè€Œå„电动机的定w‡ã€å‚æ•îC¸ä¸€è‡ß_¼ŒåŠŸçŽ‡ä»Žå‡ ä¸ªåƒç“¦åˆ°ä¸€ç™‘Ö¤šåƒç“¦ä¸ç­‰åQŒåç‚¹åŽç”µåŠ¨æœºåœ¨çŸ­æ—¶é—´å†…讲ç‘ô¾l­æ—‹è½¬ï¼Œç”µåŠ¨æœø™{入发甉|œºçŠ¶æ€è¿›è¡ŒåŠ±¼‚å‘电,母线电压为多台规æ ég¸åŒçš„甉|œºå‘电合成的复合电压,传统备自投äؓ‹‚€æ— åŽ‹å»¶æ—¶æŠ•åˆ‡åQŒæ­¤æ—¶çš„低电压已¾lå¯¼è‡´ç”µæœø™‡ªåŠ¨å¤±é”åœæœºï¼Œéœ€è¦å†èµ·åŠ¨æ¢å¤ç”Ÿäñ”åQŒè€Œæ­¤æ—¶ç”Ÿäº§å·¥è‰ºå·²¾lä¸¢å¤±ï¼Œå¤‡è‡ªæŠ•è£…¾|®çš„使用效果òq¶ä¸ç”šç†æƒŸë€‚实际中往往ç”׃ºŽå¤šå°ç”‰|œºèµ·åŠ¨çš„冲击非常大åQŒæ¯ä¸€å°çš„冲击为额定的好几倍,˜q™æ ·ä¸¥é‡çš„导致切换后保护起动åQŒå¯¼è‡´åˆ‡æ¢å¤±è´¥ï¼Œé€ æˆå¤§èŒƒå›´åœç”µï¼Œä¸¥é‡å½±å“ç”¨ç”µå¯é æ€§ä»¥åŠçŸ³åŒ–企业用电安全ã€?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> 无扰动快速切换装¾|®ï¼Œž®¤å…¶å¯¹äºŽçŸ›_Œ–企业存在大量的感应电动机的情况,当需要快速切换时可以从快速切换,同期切换åQŒæ®‹åŽ‹åˆ‡æ¢å’Œå»¶æ—¶åˆ‡æ¢ä¸­ä¼˜é€‰è¾ƒä½³çš„切换模式åQŒå®Œæˆæ— æ‰°åŠ¨æŠ•åˆ‡ã€?</p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="margin-left:0.0000pt;text-indent:0.0000pt;"> 二、无扰动快速切换装¾|®åˆ‡æ¢è¿‡½E‹ç®€ä»?</p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> DCM635<span>¾pÕdˆ—甉|ºæ— æ‰°åŠ¨å¿«é€Ÿåˆ‡æ¢è£…¾|®æä¾›ä¸ƒ¿Uè“v动方式。手动è“v动时支持òq¶è”、同时和串联。误è·Ïx”¯æŒä¸²è”,其他五种起动方式支持串联、同时切换方式。åƈ联切换方式只有快速切换实现方式,串联和同时支持快速、同捕、残压和长åšg时四¿Uåˆ‡æ¢å®žçŽ°æ–¹å¼ã€?/span>  </p> <p class="MsoNormal" align="center" style="text-align:center;"> <br /> </p> <p class="MsoNormal" style="margin-left:0.0000pt;text-indent:0.0000pt;"> 三、无扰动切换装置功能以及特点 </p> <p class="MsoNormal">   </p> <p class="MsoNormal"> 3.1<span>主要功能</span> </p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?装置适用于两¿UæŽ¥¾U¿ç³»¾lŸï¼š˜q›çº¿ã€æ¯è?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?å…ähœ‰æ‰‹åŠ¨èµ·åŠ¨ã€ä¿æŠ¤è“v动、失压è“v动、误跌™“v动、无‹¹è“v动、逆功率è“v动等多种起动方式 </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?事故切换、非工况切换åQˆå¤±åŽ‹ã€å¼€å…Œ™¯¯è·»I¼‰åŠŸèƒ½ </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?òq¶è”、串˜qžã€åŒæ—¶ä¸‰¿Uå¼€å…›_ˆ‡æ¢é¡ºåºé€‰æ‹© </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?快速实现待合闸两侧的快速、同捕、残压、长延时切换 </p> <p class="MsoNormal" style="text-indent:21.0000pt;">   </p> <p class="MsoNormal"> 3.2<span>辅助功能</span> </p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?<span>PT</span><span>断线</span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?备用甉|ºå¤Þq”µ </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?开兛_¼‚帔R—­é”?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?合闸回èµ\‹¹‹æ—¶ </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?æ™ø™ƒ½æ•…障录æ‡L </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?全息黑匣子记å½?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?装置自检故障告警 </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?æ™ø™ƒ½åˆ‡æ¢é—­é”è¯†åˆ« </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?母联开关电‹¹ä¿æŠ¤ï¼ˆæ¯è”方式åQ?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?æ™ø™ƒ½å¸è²å‡ºå£åQˆé€‰é…åQ?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?定å€ÆD¿œæ–¹å¬å”¤å’Œä¿®æ”¹ </p> <p class="MsoNormal">   </p> <p class="MsoNormal"> 3.3<span>装置特点</span> </p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?采用了双æ ?span>32</span><span>ä½?/span><span>DSP</span><span>微处理器åQŒå¿«åˆ‡å†…核和人机界面内核独立</span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?实时多ä“Q务操作系¾lŸåŠ<span>C++</span><span>¾~–程技术,可实现在¾U¿ç¼–½E?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?开兛_ˆé—¸æ—¶é—´ç²¾å‡†ç»Ÿè®¡ï¼Œè‡ªåŠ¨é€‚应开兌™€åŒ–及开å…Ïx›´æ?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?实时¾pȝ»Ÿè‡ªæ£€åQŒç³»¾lŸå·¥ä½œç”µæºã€?span>AD</span><span>状态、内存状态实时自‹‚€åQŒç¡®ä¿ç¨³å®šå¯é?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?抗干扰设计,较高<span>EMC</span><span>ç”늣å…¼å®¹½{‰çñ”试验åQŒèÊY¼‹¬äšg复合闭锁架构</span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?大屏òq•åŒæ˜„¡¤ºåQˆæ¶²æ™¶æ±‰åŒ–显½Cºå’Œ<span>LED</span><span>昄¡¤ºåQ‰ï¼Œæ–¹ä¾¿˜qè¡Œäººå‘˜å·¡æ£€ </span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?¼‹¬äšg互换性好åQŒæ–¹ä¾¿ç”¨æˆïL»´æŠ¤åŠå‡å°‘备äšg的数é‡?</p> <p class="MsoNormal" style="text-indent:21.0000pt;"> â˜?采用<span>6U</span><span>ã€?/span><span>19/3</span><span>英寸标准机箱åQŒèƒŒæ’式¾l“æž„åQŒå¯ž®±åœ°å®‰è£…在开å…ÏxŸœä¸Šæˆ–集中¾l„屏</span> </p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="margin-left:0.0000pt;text-indent:0.0000pt;"> 四、结束语 </p> <p class="MsoNormal">   </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> <span>çŸÏxÑa化工企业采用</span>DCM635<span>¾pÕdˆ—无扰动快速切换装¾|®ï¼Œå¯çµ‹z»é€‚用于单母分ŒD‰|Ž¥¾U¿æ–¹å¼ã€å•æ¯æŽ¥¾U¿æ–¹å¼çš„甉|ºåˆ‡æ¢¾pȝ»Ÿã€‚当ä»ÀL„ä¸€è·¯è¿›¾U¿ç”µæºå¤±åŽÀL—¶åQ?/span><span>DCM635</span><span>装置均能投入另一侧进¾U¿ç”µæºã€?/span><span>DCM635</span><span>¾pÕdˆ—装置¾låŽ†äº†æ•°‹Æ¡äº‹æ•…切换和正常切换åQŒè¡¨çŽ°å‡ºæžé«˜çš„可靠性ã€?/span> </p> <p class="MsoNormal" style="text-indent:21.0000pt;"> ç”׃ºŽåœ¨è®¾è®¡å’Œè°ƒè¯•é˜¶æ®µåQŒå……分地考虑矛_Œ–企业负荷情况åQŒé€šè¿‡å’Œæˆ‘公司技术äh员认真沟通,做好了各¿Uå¯èƒ½å‡ºçŽ°æƒ…å†ëŠš„模拟实验åQŒåœ¨˜qè¡Œä¸­ä¸¥æ ÆD¿è¡Œç®¡ç†ï¼Œä»Žå¤šä¸ªçŸ³åŒ–现场投入运行后实际动作¾l“果来看åQŒè£…¾|®å‡èƒ½æ­£¼‹®åŠ¨ä½œã€å‡†¼‹®è®°å½•ã€è¿è¡Œç»´æŠ¤ç®€‹zï¼Œå¾ˆå¤§½E‹åº¦æé«˜äº†çŸ³åŒ–企业供电可靠性、维护的便利性,为石化企业选择的无扰动切换控制æ–ÒŽ¡ˆã€?</p></div><div class="meneame"><span class="disabled">< </span><span class="current">1</span> <span class="disabled">> </span></div> <div style="text-align: center;padding-top: 10px;"><img src="/images/code.jpg" alt="å…Ïx³¨æœ‰æƒŠå–?" /></div> <div 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