Auxiliary control system and method for primary frequency regulation of full-arc admission unit

The invention provides an auxiliary control system and method for the primary frequency regulation of a full-arc admission unit. The auxiliary control system comprises a primary frequency regulation capability judging unit in the current state of the unit and a condensate throttling rapid variable l...

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Bibliographische Detailangaben
Hauptverfasser:	LIN WEIPING, ZHENG RENHE, CHEN TAN, YAN SHU, XU YUANCHENG, SHI SHAOPING, CHEN XINMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	The invention provides an auxiliary control system and method for the primary frequency regulation of a full-arc admission unit. The auxiliary control system comprises a primary frequency regulation capability judging unit in the current state of the unit and a condensate throttling rapid variable load control unit. The input end of the primary frequency regulation capability judging unit in the current state of the unit is input with the opening degree of the current unit steam turbine valve, the deviation between the actual main steam pressure and the set value, and the primary frequency regulation power increment instruction of the power grid. The output end of the primary frequency regulation capability judging unit in the current state of the unit is connected with the condensate throttling rapid variable load control unit. According to the auxiliary control system and method for the primary frequency regulation of a full-arc admission unit, the throttling energy storage utilization is precisely controll