发电与空调
髮電與空調
발전여공조
Refrigeration Air Conditioning & Electric Power Machinery
2015年
5期
1-6
,共6页
节流调节%滑压运行%滑压曲线%AGC%一次调频%试验研究%调门半开%调门全开
節流調節%滑壓運行%滑壓麯線%AGC%一次調頻%試驗研究%調門半開%調門全開
절류조절%활압운행%활압곡선%AGC%일차조빈%시험연구%조문반개%조문전개
throttle adjusting%sliding pressure operation%sliding pressure curve%AGC%primary frequency%test study%GV half open%GV full open
火电机组部分负荷运行时滑压调整是当前的必然。传统喷嘴调节和新引进的节流调节机组滑压优化过程中，负荷与压力关系曲线走势不一致，导致节流调节寻找滑压运行曲线的方法也不一致。针对某厂由上汽引进西门子技术制造，660MW两只高调门全周进汽节流调节机组，通过高精度试验，研究分析如何获得该型机组滑压曲线，并提出区别于传统滑压曲线的调门开度与负荷关系滑压曲线。结合影响滑压曲线实施的AGC、一次调频响应速度慢的问题给出解决建议。该文建议节流调节机组在负荷相应要求较高的情况下采用调门半开的运行方式，以保证电网的快速响应需求。而在采用协调控制系统优化，充分利用机组大容器蓄热能力，参与调节负荷响应速度的情况下，采用调门全开的运行方式，这样既能保证机组最高的经济性，又能保证电网快速响应的需求。
火電機組部分負荷運行時滑壓調整是噹前的必然。傳統噴嘴調節和新引進的節流調節機組滑壓優化過程中，負荷與壓力關繫麯線走勢不一緻，導緻節流調節尋找滑壓運行麯線的方法也不一緻。針對某廠由上汽引進西門子技術製造，660MW兩隻高調門全週進汽節流調節機組，通過高精度試驗，研究分析如何穫得該型機組滑壓麯線，併提齣區彆于傳統滑壓麯線的調門開度與負荷關繫滑壓麯線。結閤影響滑壓麯線實施的AGC、一次調頻響應速度慢的問題給齣解決建議。該文建議節流調節機組在負荷相應要求較高的情況下採用調門半開的運行方式，以保證電網的快速響應需求。而在採用協調控製繫統優化，充分利用機組大容器蓄熱能力，參與調節負荷響應速度的情況下，採用調門全開的運行方式，這樣既能保證機組最高的經濟性，又能保證電網快速響應的需求。
화전궤조부분부하운행시활압조정시당전적필연。전통분취조절화신인진적절류조절궤조활압우화과정중，부하여압력관계곡선주세불일치，도치절류조절심조활압운행곡선적방법야불일치。침대모엄유상기인진서문자기술제조，660MW량지고조문전주진기절류조절궤조，통과고정도시험，연구분석여하획득해형궤조활압곡선，병제출구별우전통활압곡선적조문개도여부하관계활압곡선。결합영향활압곡선실시적AGC、일차조빈향응속도만적문제급출해결건의。해문건의절류조절궤조재부하상응요구교고적정황하채용조문반개적운행방식，이보증전망적쾌속향응수구。이재채용협조공제계통우화，충분이용궤조대용기축열능력，삼여조절부하향응속도적정황하，채용조문전개적운행방식，저양기능보증궤조최고적경제성，우능보증전망쾌속향응적수구。
It is inevitable for thermal power plant sliding pressu re adjustment when in part load operation. The load and pressure trend curve is inconsistent, and it has been found when optimizing sliding pressure curve for conventional noz-zles regulation and the introduction of new throttle unit, and this lead to different method for finding the sliding pressure curve. High-precision experiments have been taken on Ultra supercritical 660MW Throttle Unit which introduced and man-ufactured by STP using Siemens technology. The method of finding sliding pressure curve and a kind of new curve was given in this paper, in addition, some suggestion for using the sliding pressure curve also has been given. The article recommends throttle unit with more stringent requirements of load corresponding, operated in GV half open mode, in order to ensure rapidly response to the needs of the grid. In optimizing the use of CCS, combination with making full use of large container u-nit heat storage capacity, involved in regulating the response of load. Then, GV full open mode should be used, this will not only ensure the best unit of the economy, but also ensures the grid needs to respond rapidly.
