motor driven control valve 中文意思是什麼
motor driven control valve
解釋
電動機拖動控制閥-
Main products - marine pipe fittings : marine plate glass oil level gauges, marine double colored leveplate glass oil level gauges, magnetic oil gauge, marine cast steel with flanges, quick closing valves, bronze valve series, sea water filters, oil filters sump tanks, control boxes for quick closing valves, oil flushing sysstem. deck machinery. 200kg motor driven cranes, etc. hand tools : slip joint pliers. we also handle the design and manufacturing of all knds of non - standard machinery and equipment and valves
主要產品船舶管系附件：船用平板玻璃液位計船用雙色平板玻璃液位計磁性液位計船用法蘭鑄鋼閥快關閥青銅閥系列速關閥控制箱海水濾器油濾器泥箱串油系統甲板機械： 200kg電動吊車等五金工具：鯉魚鉗等鉗類。 -
According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly
本文根據水輪機調節領域存在的問題和發展趨勢，對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究，得到以下主要成果和結論：首次提出了採用步進電機驅動的步進式電液引導閥，從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題，使電液隨動系統的可靠性大大提高。 -
Both units ( 2x300mw ) of one power plant in india, designed and constructed by china, employ feedwater system composed of three 50 % capacity motor driven feedwater pumps, one low load feedwater control valve and one main motor - operated - valve
由我國承建的印度某電廠兩臺300mw發電機組，其給水系統設三臺電動調速給水泵、一個低負荷給水調節閥（用於低負荷水位控制）和一個電動主閘閥。
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