The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.
而不同容量的负载,以及负载的不同功率因数,对同步发电机励磁磁场的作用是不同的,对同步发电机的内部阻抗压降的作用也是不一样的。
Soft loading Soft loading refers to the ramping of load onto or off of a generator in a gradual fashion for the purpose of minimizing voltage and frequency transients on the system.
软加载软加载是指在给发电机组增加或减少负载时要逐渐进行,以减少电压和频率对系统的瞬变影响。
On the other hand, because of the fluctuating load, such as arc furnace and railway traction locomotive, the voltage of the network will frequently fluctuate and lead to voltage flash.
另一方面,现代配电网上用于冶炼的电弧炉和铁路牵引机车等波动性负荷,会使电网电压频繁波动,造成电压闪变。
The effect of the wiring ways on voltage quality is analyzed according to the relations between load moment and voltage loss.
文章根据负荷矩与电压损失的关系分析了接线方式对电压质量的影响。
The current loss in magnetically insulated transmission line (MITL) on pulsed power installation "S-300" is studied by measuring bremsstrahlung between the electrodes, current and voltage in the load.
在装置“S- 300”上,通过测量真空磁绝缘传输线中电极间电子流轫致辐射和负载上的电流、电压等参数,研究了磁绝缘传输线中的电流损失特性。
This paper presents a new method that PIR-P dual loop control based on rotating coordinates to improve the output voltage symmetry of inverter under the serious unbalanced load condition.
为改善逆变器系统在严重不平衡负载情况下输出电压的对称性,文中提出一种新颖的控制策略——旋转坐标系下的PIR - P双环控制。
This thesis carries out studies aiming at the impact of load characteristics and on load tap changer on voltage stability.
本文针对负荷特性和有载调压变压器对电力系统静态电压稳定性的影响展开研究。
The voltage ripple waveform is analyzed based on the inductance and the capacitive change under two load models.
在两种负载模型下,通过计算分析了滤波电感和电容对电源电压波动的影响;
Through power flow calculation of tie lines, the effects of the changes in generation, load and network structure on the voltage quality and safe and economic operation of the system can be analyzed.
通过联络线的潮流计算,可以分析发电出力和负荷以及网络结构的改变对系统电压质量和安全经济运行的影响。
The requirement for leakage reactance on stator of PMSM supplied by voltage type inverter is analyzed, and some parameters are selected, such as electromagnetic load, slots shape of stator and so on.
分析了电压型逆变器供电的永磁同步电动机对定子漏抗的要求,确定了电磁负荷以及定子槽形等参数的选取原则。
Based on the theoretical study and analysis of super short time load forecasting, this paper proposed voltage and reactive power control strategy based on super short time forecasting.
通过对超短期负荷预测理论的分析和研究,提出了基于超短期负荷预测技术电压无功控制策略。
Once the product is ex-work, the motor load condition shall be judged initially based on the rotor voltage and current, and liquid resistance will be ready.
产品一经出厂,它是按照电机转子的电压、电流初步判断电机负载情况已配制好的液阻。
The testing principle and the performing method of testing items such as speed, range, load, discharge voltage and current for electro-hybrid bicycle are described based on deciding the items.
分析和确定了电动助力车主要性能的检测项目,并对车速、续行里程、载荷、蓄电池的放电电压和放电电流等被测项目的检测原理及实现方法进行了探讨。
Since triple overtone voltage will increase accordingly when there is load in the generator, it can activate constant voltage on its own without any other voltage automatic governor.
由于三次谐波电压在电机负载时将相应增高,因此无须其他任何复杂电压自动调节器即可达到自激恒压性能。
Both regulating characteristics of on-load tap changer (OLTC) and load characteristics greatly impact power system voltage stability.
有载分接开关(OLTC)的调节特性和负荷特性对电力系统电压稳定性具有极大的影响。
Based on guaranteeing reactive power equilibrium of the system, only the voltage regulation assisted by on - load voltage regulation can make the deviation of voltage keep in allowable scope.
在保证系统中无功功率平衡的基础上,辅以有载调压等措施调整电压,才可使电压的偏移保持在允许范围内。
Analyses of the impact of different load characteristics on static voltage stability with the V-P-and-V-Q curves of power system loads.
应用电力系统负荷的电压-功率特性曲线,分析了不同负荷的负荷特性对静态电压稳定性的影响。
The voltage loss in different manner of load distribution on the electric power line was calculated by the mathematic method in this paper.
本文运用数学方法对沿线路各分布方式下的电压损耗进行了推导。
Transformer substation including each kind of equipment: transformer, circuit breaker, load switch, generatrix, current transformer, voltage transformer and so on.
变电站包括各类设备:变压器、断路器、负荷开关、母线、电流互感器、电压互感器等。
Therefore, this paper proposes a method to calculate the probability of voltage instability based on the stochastic characteristic of load margin index.
针对这种情况,提出了一种基于负荷裕度随机特性的方法来计算系统电压失稳的概率。
Based on this index a load shedding algorithm to ensure node static voltage stability is put forward.
基于这一指标提出了一种保证节点静态电压稳定的切负荷算法。
Based on the fundamental of electromagnetics, are summarily derived idle, load and short-circuit voltage as well as current and leakage reactance formulas.
并根据电磁基本原理推导出空载,负载和短路时的电压、电流和漏抗的计算公式。
At different occasion, it's varied in power source voltage, load and current, and a certain adjustment shall be made on liquid resistance value.
在不同的场合,电源电压的高低、负载的轻重、过电流的大小不一样,液体的阻值须作一定的调整。
Based on the low-voltage distribution system or load compensation for industry, the aim of the thesis is to study the SVG that adopts direct-current control.
本文的研究目的是立足于低压配电系统或工业负荷补偿,且控制方法采用直接电流控制的静止无功发生器的研究。
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.
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。
In addition, we study the effect of STATCOM on static voltage stability of one-load infinite-bus power system.
对于包含STATCOM的单负荷-无穷大电力系统,分析了STATCOM对系统电压静态稳定性的作用。
The inductive voltage of the thunder and lightning and the produced disturbance voltage when the inductive load turns on or is separated from the power network is main disturbance pulse voltage.
雷电感应电压和感性负载接入或脱离电源电路时所产生的干扰电压是电源网主要的干扰脉冲电压。
The inductive voltage of the thunder and lightning and the produced disturbance voltage when the inductive load turns on or is separated from the power network is main disturbance pulse voltage.
雷电感应电压和感性负载接入或脱离电源电路时所产生的干扰电压是电源网主要的干扰脉冲电压。
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