RELIANCE P28G5281
鎽樿锛氶嚌灏嶅ぇ鍨嬫绲勯€�(j矛n)鍏ュ皬缍�(w菐ng)鎺у埗鍑虹従(xi脿n)鐨勯牷鐜囨尝鍕曠瓑鐗归粸锛屾湰鏂囧熀浜嶯T6000DCS鎺у埗绯荤当(t菕ng)涓婃彁鍑轰竴绋鐖愬劒(y艒u)鍖栨帶鍒剁瓥鐣�锛岄€氶亷鐞嗚珫鍒嗘瀽鍜屽湪鑸熷北闆诲粻瀵﹂锛屽崝(xi茅)瑾�(di脿o)姗熺垚璨�(f霉)鑽峰拰闋荤巼鎺у埗浠ュ強鎻愰珮瑾�(di脿o)閫熸帶鍒跺洖璺€熷害锛屽劒(y艒u)鍖朌EH纭欢锛岃兘澶犳豢瓒虫鐖愬皪灏忕恫(w菐ng)鎺у埗鐨勮姹傘€�
闂�(gu膩n)閸佃锛氬皬缍�(w菐ng)鎺у埗锛汵T6000DCS鎺у埗绯荤当(t菕ng)锛涘劒(y艒u)鍖栨帶鍒剁瓥鐣�锛汥EH
ABSTRACT: To the characteristic of the frequency fluctuations appeared the large Units into the isolated power network, Base on the NT6000 Distributed Control System, the paper propose a new boiler-turbine optimal control strategy. After theoretical analysis and experimentation in ZhouShan plant, By coordination of boiler load and turbine frequency control, and improve the speed control loop speed, optimize the DEH hardware, we can meet the requirement for the isolated power network control.
KEY WORDS: the isolated power network control; NT6000 Distributed Control System; optimal control strategy; DEH
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浜屾瑾�(di脿o)闋婚噰鐢≒ID鎺у埗鍣�锛屽叾瑷�(sh猫)瀹氶粸鐐洪瀹氳綁(zhu菐n)閫�3000r/min锛屽弽楗嬭畩閲忕偤姗熺祫瀵﹂殯杞�(zhu菐n)閫�銆備簩娆¤(di脿o)闋荤殑杓稿嚭鑸囩暥(d膩ng)鐒剁郸瀹氬€肩殑鐤婂姞锛屼綔鐐轰竴娆¤(di脿o)闋荤殑绲﹀畾鍊糩4]銆�
浜屾瑾�(di脿o)闋荤殑鍘熺悊鍦栧鍦�2銆�
鍦�2 浜屾瑾�(di脿o)闋绘帶鍒跺師鐞嗗湒
2 鎺у埗鏂规
2.1瀛樺湪鍟忛
灏忕恫(w菐ng)鎺у埗涓€娆¤(di脿o)闋昏姹傛绲勮(di脿o)閫熼熆鎳�(y墨ng)闈炲父杩呴€�锛屾苯杓鍦ㄧ敥璨�(f霉)鑽烽亷绋嬩腑锛屾瘡绉掗悩鐨勮綁(zhu菐n)閫熼鍗囬噺鑳藉閬�(d谩)鍒�200r浠ヤ笂锛屽皪浜庡父瑕�(gu墨)鐨凞EH鎺у埗鍥炶矾濡傚湒3鎵€绀�锛岃綁(zhu菐n)閫熷崱涓€鑸渻鏈�20ms鐨勫欢鏅傦紝DCS鎺у埗鍛ㄦ湡涓€鑸湪200ms宸﹀彸锛岃几鍑哄崱鍜屼己鏈嶅崱鐨勪俊铏熷偝閬炰篃鏈冪敘(ch菐n)鐢熺磩50ms鐨勫欢鏅�锛岄偅涔堟暣鍊嬬郴绲�(t菕ng)鐨勬帶鍒舵檪寤跺湪270ms宸﹀彸锛屼篃灏辨槸瑾�锛屾渻鐢�(ch菐n)鐢�54r鐨勮綁(zhu菐n)閫熼鍗囷紝閬庡ぇ鐨勬檪寤舵渻鍤�(y谩n)閲嶉檷浣庡皬缍�(w菐ng)瑾�(di脿o)闋绘帶鍒跺搧璩�(zh矛)銆�
鍦�3 甯歌(gu墨)DEH鐨勮綁(zhu菐n)閫熸帶鍒跺洖璺�
涓€娆¤(di脿o)闋诲嫊浣滀富瑕佹槸鐢辨苯杓鍋�(c猫)瀹屾垚锛屾檪闁撶煭锛岄€熷害蹇�锛岃€屾苯杓鍜岄崑鐖愮殑闊挎噳(y墨ng)鐗规€т笉鍚�锛岄崑鐖愮殑闊挎噳(y墨ng)鎱�锛岄崑鐖愮殑鑳介噺淇¤櫉锛堣〃绀烘苯姗熻(di脿o)绡€(ji茅)绱氬鍔�锛岃〃绀轰富钂告苯澹撳姏锛岃〃绀轰富姹藉鍔涳級闅ㄦ苯杓闁ラ杸闁嬪害鐧�(f膩)鐢熷妵鐑堣畩鍖栵紝鍚屾檪鏈冮€犳垚閸嬬垚鐕冪噿宸ユ硜鍑虹従(xi脿n)妤靛ぇ鎿惧嫊锛岀敋鑷冲皫(d菐o)鑷撮崑鐖愭粎鐏�銆�
鍙︿竴鏂归潰锛岀敥璨�(f霉)鑽峰悗杞�(zhu菐n)閫熻繀閫熼鍗�锛岄仈(d谩)鍒板師DEH绯荤当(t菕ng)涓璒PC鍕曚綔鐨勮ō(sh猫)瀹氶粸103%锛屽緸鑰岄€犳垚OPC鍦�3090r/min鏅傚嫊浣溿€侽PC鍕曚綔鍚�锛岃(di脿o)闁€鍏ㄩ儴闂�(gu膩n)闁夛紝姗熺祫鍑哄姏灏忎簬灏忕恫(w菐ng)涓婄殑闆昏矤(f霉)鑽�锛屾苯姗熻綁(zhu菐n)閫熶笅闄嶏紝OPC娑堝け锛岃(di脿o)闁€鎵撻枊锛屾绲勮矤(f霉)鑽峰張杩呴€熶笂鍗�锛屽姝ゅ弽寰�(f霉)锛屼娇寰楀皬缍�(w菐ng)闋荤巼鍙嶅京(f霉)闇囪暕锛屾渶绲傚彲鑳藉皫(d菐o)鑷村皬缍�(w菐ng)宕╂桨[5]銆�
2.2閸嬬垚鍋�(c猫)鎺у埗鏂规
閲濆皪灏忕恫(w菐ng)閬嬭鏅�锛屼竴娆¤(di脿o)闋绘渻缍�(j墨ng)甯稿嫊浣滄苯杓闁ラ杸锛屽皫(d菐o)鑷撮崑鐖愪富姹藉鍔涚稉(j墨ng)甯告尝鍕曪紝鍚屾檪涓绘苯澹撳姏涓嶇┅(w臎n)瀹氬弽閬庝締鍙堟渻褰遍熆涓€娆¤(di脿o)闋荤殑瑾�(di脿o)绡€(ji茅)鍝佽唱(zh矛)銆傛枃鐛�(xi脿n)[6]鎸囧嚭锛屼竴娆¤(di脿o)闋荤壒鎬у湪杓冮珮闋绘鍙椾富姹藉鍔涜畩鍖栧奖闊夸笉澶�锛岃€屽湪浣庨牷娈佃€冩叜涓昏捀姹藉鍔涜畩鍖栧悗涓€娆¤(di脿o)闋诲鐩婃槑椤亸灏忥紝鏈冨嚭鐝�(xi脿n)涓€瀹氭檪闁撲箣鍚庝竴娆¤(di脿o)闋诲嚭鍔涘洖钀�銆佸亸闆㈢悊鎯宠ō(sh猫)瑷堟€ц兘銆�
鍦ㄩ崑鐖愬伌(c猫)锛孨T6000DCS绯荤当(t菕ng)瑷�(sh猫)瑷堝涓嬫帶鍒舵柟妗堛€�
锛�1锛夊厖鍒嗗埄鐢ㄩ崑鐖愯搫鐔�锛屾秷闄ゆ绲勪竴娆¤(di脿o)闋诲皪閸嬬垚鍋�(c猫)涓绘苯澹撳姏绛夊弮鏁�(sh霉)鐨勫奖闊裤€�
锛�2锛夌偤浜嗘彁楂樿(di脿o)闋绘€ц兘锛屽紩鍏CS鍋�(c猫)涓€娆¤(di脿o)闋婚倧杓�锛岃嚜鍕曡(di脿o)绡€(ji茅)涓绘苯澹撳姏銆�
锛�3锛夊湪閸嬬垚鍋�(c猫)涓绘帶杓稿叆澧炲姞閫熺巼闄愬埗妯″锛屾笡灏忕敱浜庢苯杓闁ラ杸闁嬪害閬庨牷璁婂寲寮曡捣鐨勯崑鐖愪富鎺ф寚浠ら亷蹇畩鍖�锛屽悓鏅傝鑰冩叜灏嶅叾浠栧伐娉佺殑褰遍熆銆�
锛�4锛夊姞寮峰皪涓昏鍙冩暩(sh霉)鐨勭洠(ji膩n)鎺у強瑾�(di脿o)鏁�锛屽強鏅傝窡韫わ紝鐣�(d膩ng)鍑虹従(xi脿n)涓绘苯澹撳姏绛夊弮鏁�(sh霉)娉㈠嫊閬庡ぇ锛岃秴鍑鸿ō(sh猫)瀹氶檺鍒�锛屽紩鍏ヨ紨姗熸晠闅滄笡璨�(f霉)鑽�(RB)閭忚集銆�
2.3姹芥鍋�(c猫)鎺у埗鏂规
閲濆皪姹芥鍋�(c猫)涓€娆¤(di脿o)闋诲瓨鍦ㄧ殑鍟忛锛孨T6000DCS绯荤当(t菕ng)瑷�(sh猫)瑷堜簡鏀归€�(j矛n)鍚庣殑鎺у埗绛栫暐锛屾柟妗堝涓�銆�
锛�1锛夊劒(y艒u)鍖朌EH鎺у埗閭忚集銆傚湪DEH涓紩鍏ュ皬缍�(w菐ng)閬嬭鎺у埗鐙€鎱�(t脿i)锛岀暥(d膩ng)杞�(zhu菐n)閫熷亸宸秴閬庝竴瀹氳寖鍦嶆檪锛孌EH鑷嫊閫�(j矛n)鍏ュ皬缍�(w菐ng)鎺у埗鐙€鎱�(t脿i)銆傞€欑ó瑷�(sh猫)瑷堣兘澶犲悓鏅傞仼鎳�(y墨ng)骞剁恫(w菐ng)閬嬭鍜屽缍�(w菐ng)閬嬭鐨勮姹�銆傜敤鎴舵甯告檪骞跺叆澶ч浕缍�(w菐ng)锛岀暥(d膩ng)澶ч浕缍�(w菐ng)鐧�(f膩)鐢熸晠闅滄檪锛屾渻鑴洟澶ч浕缍�(w菐ng)閫�(j矛n)鍏ュ皬缍�(w菐ng)鎺у埗鐙€鎱�(t脿i)銆�
锛�2锛夎ō(sh猫)瑷堝揩閫熶竴娆¤(di脿o)闋诲洖璺�銆侱EH涓皣鑸囦竴娆¤(di脿o)闋荤浉闂�(gu膩n)鐨勮綁(zhu菐n)閫熼噰妯�锛岃綁(zhu菐n)閫熶笁鍊煎劒(y艒u)閬革紝涓€娆¤(di脿o)闋昏▓绠�锛岃(di脿o)閫熸寚浠よ几鍑洪兘瑷�(sh猫)缃偤蹇€熼亱琛�锛岄亱琛屽懆鏈熷皬浜�50ms锛岃綁(zhu菐n)閫熼噰妯ｅ拰妯℃摤閲忚几鍑烘ā濉婇噰鐢ㄩ珮閫熺‖浠�锛屼娇鎺у埗鍛ㄦ湡灏忎簬100ms锛屾彁渚汥EH涓€娆¤(di脿o)闋荤殑鎺у埗閫熷害銆�
锛�3锛夎ō(sh猫)瑷堟櫤鑳絆PC鍗°€傚湪閫�(j矛n)鍏ュ皬缍�(w菐ng)鎺у埗鏅�锛岄噰鐢ㄨ綁(zhu菐n)閫熷姞閫熷害瑷堢畻闋�(y霉)浼扮殑杞�(zhu菐n)閫熸渶楂樺€硷紝鐣�(d膩ng)闋�(y霉)浼扮殑杞�(zhu菐n)閫熸渶楂樺€奸珮浜嶰PC瑷�(sh猫)瀹氬€兼檪锛屾彁鍓嶅嫊浣淥PC銆傜敱浜嶰PC鍕曚綔鍥炶矾姣旇(di脿o)绡€(ji茅)闁ュ嫊浣滃洖璺蹇�200ms宸﹀彸锛岄€欑ó瑷�(sh猫)瑷堝皣澶уぇ娓涘皬杞�(zhu菐n)閫熼鍗�銆傚湪閫�(j矛n)鍏ュ皬缍�(w菐ng)鎺у埗鍚庯紝灏�103%OPC鍕曚綔鍊兼姮楂�銆�
锛�4锛夋笡灏廌EH鎺у埗鍛ㄦ湡锛屽湪NT6000DCS绯荤当(t菕ng)涓�锛岃ō(sh猫)瑷堢洿鎺ユ帴鍦↖O绺界窔涓婄殑浼烘湇鍗�锛岀渷鍘讳簡杓稿嚭鍗＄殑鐠�(hu谩n)绡€(ji茅)锛屾敼閫�(j矛n)鍚庡鍦�4鎵€绀�锛屾帶鍒跺櫒鐨勬帶鍒跺懆鏈熸笡灏忓埌50ms锛岃綁(zhu菐n)閫熷崱鐨勬脯閲忔檪寤舵笡灏忓埌1ms锛屾暣鍊嬬郴绲�(t菕ng)鐨勬檪寤跺湪51ms鍏�(n猫i)锛岀敱姝ょ敘(ch菐n)鐢熺殑杞�(zhu菐n)閫熼鍗囨笡灏�80%浠ヤ笂銆�
鍦�4 鏀归€�(j矛n)鍚庣殑杞�(zhu菐n)閫熸帶鍒跺洖璺�
缍滀笂鎵€杩�锛屽湒5锛岀偤鏀归€�(j矛n)鍚庣殑灏忕恫(w菐ng)鎺у埗鍘熺悊鍦�銆�
鍦�5 鏀归€�(j矛n)鍚庣殑灏忕恫(w菐ng)鎺у埗鍘熺悊鍦�
3 绯荤当(t菕ng)鎳�(y墨ng)鐢�
鑸熷北鏈楃喒鐧�(f膩)闆绘湁闄愯铂(z茅)浠诲叕鍙革紙鑸熷北鐧�(f膩)闆诲粻锛変綔鐐衡€滀節浜斺€濇湡闁撴禉姹熺渷閲嶉粸宸ョ▼锛岀従(xi脿n)鏈夎姗熷閲忕偤260MW锛屾槸鑸熷北闆荤恫(w菐ng)涓诲姏鐧�(f膩)闆诲粻锛岀洰鍓嶇櫦(f膩)闆婚噺鍗犻浕缍�(w菐ng)绺界櫦(f膩)闆婚噺鐨�80%浠ヤ笂锛岀従(xi脿n)瑁濇湁1*300MW姗熺祫锛岄噰鐢∟T6000DCS鎺у埗绯荤当(t菕ng)锛屾甯告儏娉佷笅鐔遍浕寤犳帴鍏ラ浕缍�(w菐ng)绯荤当(t菕ng)锛屼絾鍦ㄦ晠闅滄儏娉佷笅锛岄泦鍦�(tu谩n)鑸囧ぇ缍�(w菐ng)鐨勯€�(j矛n)绶氭渻鏂烽枊锛屽墖瑕佹眰鐔遍浕寤犲湪鏁呴殰閬庣▼涓�锛岃兘澶犲畬鎴愬緸骞跺叆澶ч浕缍�(w菐ng)鍒拌劔闆㈠ぇ闆荤恫(w菐ng)閫�(j矛n)鍏ュ皬缍�(w菐ng)鎺у埗鐨勫垏鎻�锛岀董璀�(h霉)灏忕恫(w菐ng)鐨勭┅(w臎n)瀹氶亱琛屻€�
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[2] 寮甸潨.DEH绯荤当(t菕ng)瀛ょ恫(w菐ng)閬嬭鎺у埗鎶€琛�(sh霉)瑙ｆ焙鏂规[J].鐔卞姏閫忓钩锛�2009锛�38(1)锛�65锛�67.
[3] 钄ｅ媷锛岃姰蹇楁竻锛屼綑闇囪櫣.鍩轰簬浜屾瑾�(di脿o)闋荤殑闆荤恫(w菐ng)灏忓扯閬嬭鎺у埗鐮旂┒[J].鐧�(f膩)闆昏ō(sh猫)鍌�锛�2008锛孨o.3锛�248锛�251.
[4] 鐜嬪畯鍋�锛屽鐜夐泚.鐏浕寤犲皬缍�(w菐ng)閬嬭鍔熻兘鐨勬噳(y墨ng)鐢╗J].鑿腑闆诲姏锛�2007,20(1)锛�45-47.
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