hydro turbine 中文意思是什麼
hydro turbine
解釋
水力渦輪機-
Hydro - turbine governing system is a nonlinear and time mutative system that is usually conducted following analysis and calculations : calculation of regulation guarantee under transiting process of acute fluctuation ; dynamic analysis under small fluctuation
水輪機調節系統是非線性和時變性的系統，其分析計算分為:大波動過渡過程下的調節保證計算;小波動情況下的動態分析。 -
As a prime mover, a small hydro turbine can produce the independence power for agriculture and industrial machines without fossil fuel
摘要小型水輪發電機作為原動機能為工農業機械提供自主電源。 -
By analyses and compares, the conclusion is that it would be better to choose high resistance grounding of distribution transformer for hydro turbine in hydro power station. there is no certain conclusion for steam turbine in fossil - fired power plant. getting a clear answer to choose good generator grounding mode still needs practice and time
經分析比較認為，在水電站水輪發電機組宜選用接地變高阻接地方式；在火電廠和熱電廠汽輪發電機組，選用何種接地方式，給出明確的結論尚需理論和實踐的進一步深入。 -
The main function of a governor is to monitor the speed deviation of a hydro turbine unit and convert it into the displacement deviation of the servomotor according to a specific characterisic. it is used to control the opening of the guide apparatus and to ensure the unit run steadily at fixed speed under a given load
調速器的主要功用是檢測機組轉速偏差，並將它按一定特性轉換成接力器的行程偏差，藉以調整機組導水結構的開度，使機組在給定的負荷下以給定的轉速穩定運行。 -
Optimization of hydro turbine governor parameters based on improved particle swarm
基於改進粒子群演算法的水輪機調速器參數優化 -
Establishing of simulation environment for multi - axis machining of hydro turbine blades
水輪機葉片多軸數控加工的模擬環境構建 -
The application of new fuzzy controller in hydro turbine control system is investigated
最後給出了其在水電機組控制系統中的應用。 -
Our works has manufactured hydro turbine governors for years, the governors produced comprise series of large
我廠生產水輪機調速器歷史悠久。生產的調速器品種規格有大型、中型、小型和特小型系列。 -
The simulation studies indicate that the proposed fuzzy controller can improve the dynamic performances of hydro turbine governing system
模擬研究表明：所論模糊控制器可以顯著提高水輪機調速系統的動態性能。 -
The governor additional h control method, ( gahc ), was proposed in the thesis used on steam turbine and hydro turbine
針對汽輪機模型和水輪機模型提出了一種抑制可測干擾（ p _ e ）的調速系統附加h _控制方法（ gahc ） 。 -
In order to extend its potential usage, the small hydro turbine should have a simple design with high performance to secure the stable operation
為了使小型水輪機得到更廣泛的應用，必須設計出結構簡單、水力效率高的機器以確保運行穩定性。 -
The transient simulation of power system uses usually simplified models of conduit system and hydro turbine. similarly the simplified models of synchronous generator and power system are used in transient simulation of hydraulic system
電力系統模擬往往採用粗略的輸水系統?水輪機模型，而水力系統模擬則往往採用粗略的同步電機?電力系統模型。 -
On the basis of analysing the principle of hydro - turbine governing system, this paper adopts the module modeling method, divides hydro - turbine governing system into several subsystems like penstock, hydro - turbine, generator, governor, models them separately by mechanism, thus the whole system math model is established
本文在分析水輪機調節系統原理的基礎上，採用模塊化建模方法，把水輪機調節系統劃分為壓力引水系統、水輪機、發電機、調速器等幾個子系統，分別對其進行了機理建模，從而整合起整個系統的數學模型。 -
The oversimplified models can not reflect the mutual effect of hydraulic system and power system, and they may cause irrational conclusions when they are used in the studies on middle or long term stability, resynchronization of hydro turbine and generator and large - disturbance surge tank system that relate closely to the mutual effect of hydraulic system and power system or the auto governing
採用這種水或電的單方面簡化模型不能準確反映水力系統與電力系統的耦合作用，對于諸如電力系統中長期穩定、水輪發電機組再同步、調壓井系統大波動穩定等這些與水電耦合和自動調節作用密切相關的問題的研究，可能導致不合理的結論。 -
In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually
為解決這一問題，本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法，即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分，將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分，對前一部分採用特徵線法求解，對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解，這兩部分的求解過程交替進行，最終即可得到水電系統大擾動過程的模擬結果。 -
Abstract : the design scheme, construction and paramete rs of the grinding device used to repair the plane deformation of stay ring of hydro turbine at the power station are introduced, and the design gist of the grinding head system is presented
文摘:介紹了用於修磨水輪機座環平面變形的專用修磨設備的設計方案、結構、參數及磨頭系統的設計要點。 -
It is means that gahc would be harmless to the stability of other generators, when it is used to reduce the ste of local generator. the simulating tests of gahc used on steam turbine and hydro turbine had been done in single machine system and multi - machine system. the results of simulating tests show that the generator stability could be improved by gahc, it is harmless to the stability of other generators in multi - machine system
在單機系統和三機無窮大系統中對汽輪發電機和水輪發電機的gahc控制進行了模擬實驗，模擬實驗結果驗證了： gahc提高了汽輪發電機和水輪發電機抵抗三相短路故障擾動沖擊的能力； gahc在多機系統中對其它發電機的穩定性不會產生危害作用；水輪機的gahc克服了水錘效應對穩定性的危害作用。 -
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。 -
The francies " hydro turbine models are induced, comprising of the linear model based on the model characteristic curves, the linear model based on the internal characteristics description, the nonlinear model based on four - quadrant characteristics and simply analytic nonlinear model. as a result of comparison of these models, it is believed that these models have different traits and the proper model should be selected according to the study purpose and known conditions
歸納介紹了混流式水輪機的模型，包括基於模型綜合特性曲線的線性化模型、基於內特性描述的線性化模型、基於全特性曲線的非線性模型和簡單解析非線性模型等，對這些水輪機模型進行分析比較，認為它們的特點各有不同，應根據研究目的和已知條件來選擇合適的模型。 -
The simulation on a mixed - flow hydro - turbine governing system shows that the proposed approach is effective
對一混流式水輪機組模擬控制實驗結果證明所提出方法的有效性。
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