磁合式流量計 的英文怎麼說
中文拼音 [cígěshìliúliángjì]
磁合式流量計
英文
magnetic flowmeter- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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公司產品主要包括子彈頭不銹鋼真空杯子彈頭不銹鋼保溫杯汽車杯不銹鋼汽車杯不銹鋼咖啡杯不銹鋼咖啡壺不銹鋼運動壺真空不銹鋼旅遊壺不銹鋼真空旅遊壺不銹鋼磁化杯不銹鋼酒壺不銹鋼小酒壺真空學士杯不銹鋼學士杯辦公杯不銹鋼辦公杯啤酒杯不銹鋼調料罐太空杯禮盒套裝等系列產品。產品質量可靠價格合理款式新穎設計人性化,堪稱家庭辦公室及旅途中的理想用品,暢銷世界各地,以「幸福名杯,客戶首選」在客戶中廣為流傳,贏得了良好的信譽。Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method
本文基於netomac模擬軟體,以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容,主要做了以下工作:建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型,並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點,將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小,設計了三段式預調度演算法:用靜態規劃法求解整個預調度計劃周期內的優化問題;用優先級法求解機組組合問題;用改進的powell法求解最優潮流問題。Recently, clusters with distributed memory are popular for parallel computing systems, and mpi is the actual standard of message passing programming. therefore, the application of clusters based on mpi to computational electromagnetics is studied in this dissertation. the methods are mom based on the integral equation method in conjunction with the preconditioning technique to speed up the iterative solution and a matrix order reducing method, namely the characteristic basis function method ( cbfm )
目前,分散式內存的集群系統是并行計算系統的主流系統, mpi是消息傳遞編程實際上的標準,本文即研究了基於mpi的集群技術在計算電磁學中的應用,採用的方法主要是基於積分方程的矩量法,並結合了加速迭代的預條件技術以及一種矩陣降階方法? ? cbf方法。A permanent magnet synchronous motor is selected so that the system could work excellently. multiform measures are taken to weakening the torque ripple, such as adopting stator - flume, choosing right ratio of magnet - width and slot - width, and programming properly. a permanent magnet synchronous motor cad software is worked out for predigesting the design of the motor
力矩脈動是衡量交流伺服系統性能優劣的重要指標,為達到理想的控制效果,系統採用正弦波驅動的稀土永磁同步電動機作為執行元件,電機本體的設計綜合採用定子斜槽、將轉子永磁體連續移位、合理選擇永磁體寬度和齒槽寬度比等方法,基本消除了齒槽轉矩;對于紋波轉矩,系統採用軟體的方式加以削弱和補償。This machine adopts japanese pro - face touch screen and mitsubishi plc control technology. in addition, it is set with automatic gear - shifting vacuum gauge, a three - flow controller, side - installed heating tube, computer pid automatic temperature control, and two sets of flat magnetic controlled target, contra - variant magnetic - controlled power source, and contra - variant bias power with easy operation and top grade film layer. they are widely used in decorative film layer, and compound film layer in plating
該設備採用日本pro - face觸摸屏和三菱plc集中控制裝有電腦自動換檔真空計,三路流量控制器,邊裝式加熱管,電腦pid自動控溫,配備兩套邊裝式平面磁控靶,逆變式磁控電源和逆變式偏壓電源,操作簡單,膜層細膩,廣泛適用於鍍制各種裝飾膜層和復合膜層。In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system
在實時控制系統的設計中,本文以三相全橋mosfet逆變電路作為實時控制主電路,採用120導通方式結合半橋pwm調制的控制方案,從而有效地避免了橋臂的直通短路;本文用單電流傳感器實現對相電流的檢測,來自位置傳感器的三相位置信號不僅為逆變電路提供換相信息,而且也用於基於信號周期測量的轉速檢測,這樣就省去了速度傳感器;系統採用的是速度、電流雙閉環控制策略,力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。分享友人