计算结果证明了基于改进BP神经网络算法建立的双馈水轮发电机负荷优化调节特性模型的有效性。
The calculation results prove that the model for load optimal regulative characteristic of doubly fed hydrogenerator based on improved BP neural network algorithm is effective.
水轮发电机组的负荷控制主要通过对调速器的控制来实现的。
Load regulating of power generator is always finished through the regulating to the regulator.
在数学模型中计入水轮机,发电机,负荷特性,调速器参数以及水力系统的特性。
The characteristics of turbine, generator and load, governor parameters and hydraulic characteristics sre considered in mathematic model.
负荷越靠近发电机,系统电压将越不易发生振荡失稳,但鞍结分岔对应的最大功率传输极限将减小。
When the load is near to generators, the possibility of voltage collapse caused by system voltage oscillate and the power limit corresponding to saddle-node bifurcation will decrease.
本文结合本厂实际,对在供热量一定时,如何提高发电机的负荷能力做了有益的探索,并提出了具体解决办法。
Based on practice, this paper discusses how to improve the load capacity of generator when heat supply is at a certain level.
机组可在断路器或负荷开关打开时,采用发电机升压变压器作为一种非本电厂电源来起动。
The unit can be started with the breaker or switch opened using the generator step-up transformer as a source of off-site power.
SCR电驱动钻机的柴油发电机组所使用的柴油机,在低负荷运行时结碳严重,直接影响钻机的可靠性和经济性。
Carbon-laydown occurs seriously in diesel engines on SCR electric drilling rigs during underload Performance, which affects the reliability and efficiency of the rigs.
同时,柴油发电机作为备用电源,在需要的时候向负荷供电。
The diesel generator is the stand-by power supply, supplying power for the load if necessary.
发电机现场电源电路中的保护装置应能瞬时获得全泵房负荷?
Protective devices in the on-site power source circuits at the generator shall allow instantaneous pick-up of the full pump room load.
随着负荷的增长,发电机组的规模也在不断的增加。
Along with increases in load growth, there have been continuing in creases in the size of generating units.
本文设计了一种基于PLC控制的自动调频调载装置,可使发电机组在大负荷波动的情况下也能可靠地运行;
The thesis designs a frequency-power automatical control unit based on PLC, enabling generators to run reliably even if in the event of heavy load fluctuating.
电厂负荷和发电机控制系统的复杂性限制了精确解析方法在励磁涌流研究中的应用。
Because of the complexity of the load and the control systems, the quantitative analysis method is not suitable for the problem solving.
和发电机是效率不足以运行的各种电气负荷(10 - 20安培),包括额外的低电流运行此蒸汽反应。
AND the alternator is efficient enough to run the various electrical loads (10-20 amps), including the additional low current to run this vapour reaction.
因此,在应用连续潮流法计算负荷裕度和临界电压时应考虑平衡节点发电机无功约束问题。
So, the problem of reactive power constrains of generator at slack bus should be considered when calculating the load margin and critical voltage by using the method of continuation power flow.
研究测轴承支承力法对大型汽轮发电机组轴承负荷在线监测的可行性。
It studies also the feasibility of this way for on-line monitoring bearing load of turbine generators.
发电机组的故障趋势分析经常受到负荷变化的影响。
The trend analysis of faults in generator sets is often influenced by load variation.
为解决循环流化床锅炉发电机组负荷变化时的机炉协调控制问题,需要对发电机组的热功效率进行在线计算。
Online calculation of heat to power output efficiency of thermal generator set is important for the load coordination control in the CFB boiler thermal generator set.
以面向实际应用为目的,提出了一种考虑输电网络损耗及线路过负荷约束的火力发电机起停计划方法。
For the purpose of practical use a unit commitment method considering transmission losses and line overload constraint is proposed in this paper.
首先,针对传统连续潮流算法在计算负荷裕度时遇到的平衡节点发电机无功约束问题进行了研究,提出了平衡节点无功约束的连续潮流负荷裕度算法。
Firstly, the problem of reactive power constrains of generator at slack bus is studied, and a load margin algorithm of continuation power flow of reactive power constrain at slack bus is proposed.
ANN控制方法能使发电机在负荷变化、甩负荷运行、电网故障以及发电机故障等各种工况条件下,发电机端电压保持稳定。
ANN control strategy can make the voltage of generators stable in the course of load changed, load uninstalled, electrical network fault and generator fault and so on.
通过对艾萨炉一级负荷的分析,针对柴油发动机和发电机的特性,给出了柴油发电机组容量计算的方法,并根据环境条件对计算结果进行修正。
Through analyzing the first level load of Isa furnace, this article brings forth an approach to capacity calculation and calibration of diesel-driven generator as well as its environmental correction.
基于负荷和发电机的复功率在支路上引起的有功损耗分量,给出了负荷和发电机对元件使用份额的新定义。
Based on the branch active loss components incurred by individual loads and generators, a novel definition of the using portion of a power element by a particular load or generator is proposed.
AGC控制单元送出信号至受其控制的发电机组,按标准频率和联络线负荷的要求来增大和减少负荷。 收藏。
The AGC unit sends signals to the generating units under its control to raise or lower load as required to correct frequency and tie-line loadings.
按发电机的负荷改变发电机的端电压使远离发电机的某一电气点如变电站高压母线的电压稳定不变。
Varies the generator terminal voltage in accordance with its load to hold constant voltage at some point electrically remote from the generator, such as the station high voltage bus.
目前的潮流校正措施都是从逻辑距离、优化、比例的角度进行负荷削减,而未考虑故障前发电机对负荷的分配关系,这不太合理。
So far, all load-shedding actions are based on logic distance, optimization or some proportion, but it is not reasonable because they don't consider the relationships between loads and generations.
电站锅炉汽包水位间接地反映了锅炉负荷与给水平衡的关系。是电站发电机组运行的主要控制参数之一。
Water level of boiler drum in power station is one of the main control parameters for turbine-generator unit, which reflects the balance of boiler load and feed-water indirectly.
电站锅炉汽包水位间接地反映了锅炉负荷与给水平衡的关系。是电站发电机组运行的主要控制参数之一。
Water level of boiler drum in power station is one of the main control parameters for turbine-generator unit, which reflects the balance of boiler load and feed-water indirectly.
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