甩負荷 的英文怎麼說
中文拼音 [shuǎifùhé]
甩負荷
英文
load rejection-
When electricity net goes wrong, the load of electricity net is goes down. turbine goes in load shedding condition
當電網發生故障時，電網負荷將下降，發生甩負荷狀況。Turbine rotor raising character while load shedding is resulted in governor system and over - speed protection control system together
機組甩負荷后轉子的飛升特性是由調節系統和opc共同作用的結果。This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) ， computed the balance point ， tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) ， analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop
在模擬模型上，完成了穩態計算、系統階躍擾動試驗、甩負荷試驗（未加調節系統）等測試，主要監控和分析了汽輪機動態特性中兩個重要參數：汽輪機第一飛升轉速、飛升時間。This approach is performed by releasing some loads required to maintain the rest system in safe operation in overload cases and opening all of the switches in the blackout areas in case of fault, and then closing proper switches to restore the unfaulted - blackout areas
本演算法在系統發生過負荷情況下，能適當地選擇甩負荷以確保系統的穩定運行；在故障情況下，先打開停電區域的所有開關，然後關閉合適的開關宋恢復非故障停電區。At last, considering the running trait of hydraulic turbine in true power stations, combining the complex pipe line system, generating electri city, discharge flood all use of pan shi tou reservoir compute the unsteady transition process
最後考慮了實際電站水輪機組的運行特性，結合盤石頭水庫引水、發電、泄洪共用的復雜引水系統，進行了電站甩負荷引起的非恆定過渡過程計算。Valve opening chart at load rejection
甩負荷閥門開啟閥Discussion about the overspeed problem of reheat turbo - generator set at load rejection
關于再熱式汽輪發電機組甩負荷超速問題的討論Abstract : this paper apply asme & quot; feed water pump npsh analysis during load rejection & quot; theory to check bfp npsh of zhuhai power plant 700mw units in the condition of vwo and also confirm the calculating result by load rejection test
文摘:利用asme的「甩負荷時給水泵汽蝕余量的分析」理論，校核了珠海電廠容量700mw機組在最惡劣工況即閥全開跳機工況時的給水泵汽蝕余量，並在甩負荷時，進行了試驗驗證。For the sake of the research about hydroelectric interfere among machines, the article utilized the simulink in matlab as simulating tool, meanwhile established the simulating model about two high head diversion water turbines regulation system in violent fluctuating pressure sharing one head race tunnel and surge tank and one penstock. then calculated the load rejection transition process by means of the real parameters of a hydro power station, analysed the interfere of hydro power station safety and stable nenring brought by hydroelectric interfere and put forward a series of measures that lightening the hydroelectric interfere
為了研究機組間的水力干擾，本文採用matlab下的simulink作為模擬工具，建立共用有壓引水管道、調壓井、壓力主管的兩臺高水頭引水式水輪機調節系統大波動時的模擬模型，引入實際電站的參數，對甩負荷過渡過程進行了模擬計算，分析水力干擾對電站安全、穩定運行所造成的影響，並提出了一系列減輕水力干擾的措施。This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes
在研究小波動情形時，即系統在穩定工作工況點附近小瞬變時，可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型，推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷工況進行了模擬試驗，整定了最佳調節參數;通過動態比較，分析了調節系統參數改變對其動態性能的影響。Abstract : according to the cause and the damage of the feed water pump cavitation resulting from the turbine ' s load rejection, this paper analyzes the condition about presenting cavitation by calculating the largest difference of the pump inlet ' s cavitation residue in the transient process of the deacrator and proposes the measures about presenting cavitation
文摘:根據汽機甩負荷造成給水泵汽蝕的原因及危害，從計算除氧器暫態過程中給水泵入口汽蝕余量的最大降落值入手，分析防止給水泵汽蝕的條件，提出預防措施。According to the cause and the damage of the feed water pump cavitation resulting from the turbine ' s load rejection, this paper analyzes the condition about presenting cavitation by calculating the largest difference of the pump inlet ' s cavitation residue in the transient process of the deacrator and proposes the measures about presenting cavitation
摘要根據汽機甩負荷造成給水泵汽蝕的原因及危害，從計算除氧器暫態過程中給水泵入口汽蝕余量的最大降落值入手，分析防止給水泵汽蝕的條件，提出預防措施。Discussing the way to develop the nonlinear mathematic model of the governor in the hydroelectrical simulation system and improve it, the phased analyzing / fitting method is introduced in modeling process to deduce the mathematical models of governor start - up and load rejection so as to solve the problems of overspeed starting and nonconvergent vibration during load rejection
在建模過程中採用分段解析、擬和的方法，推導出了水電模擬中水機調速器開機和甩負荷過程數學模型，解決水機調速器中開機過速和甩負荷過程中振蕩不收斂問題。分享友人