The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2023
Filed:
Aug. 19, 2021
China Energy Engineering Eastern Electric Power Testing Research Institute Co., Ltd., Hangzhou, CN;
Guoqing Chen, Hangzhou, CN;
Yao Sun, Hangzhou, CN;
Tingfeng Wang, Hangzhou, CN;
Zhizhou Li, Hangzhou, CN;
Hailong Qian, Hangzhou, CN;
Feng Huang, Hangzhou, CN;
Xiaomin Fang, Hangzhou, CN;
Abstract
The present disclosure relates to a feedforward structure for controlling water level, in particular to a feedforward structure for controlling a steam drum water level in a steam turbine FCB test and a control method therefor. The feedforward structure includes a steam drum provided with a steam drum water level measurement sensor therein, a feed water pipe provided with a feed water flow measurement sensor therein, and a steam inlet pipe provided with a steam flow measurement sensor therein. A steam drum water level measurement value I in the steam drum water level measurement sensor is compared with a set value of the steam drum water level.