怠速是指发动机对外无功率输出的工况。
Engine idle speed is no power output of external conditions.
其次，论文还介绍了瞬时无功功率理论及其在无功控制和无功检测方面的应用。
Secondly, the instantaneous reactive power theory and it 's application to reactive power control and detection are introduced.
电压控制和无功功率的控制是分不开的。
其中导致停电的一个主要的原因就是无功功率失去了控制。
One of the reason leading to a blackout is reactive power that went out of the control.
在无功电量市场中，关键问题是对无功功率的定价和无功功率成本的分摊。
Reactive power pricing and the allocation of reactive power cost is the key to the reactive energy market.
该文提出了基于瞬时无功功率理论的四相输电谐波电流检测方法。
This paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.
在输电成本分摊方面，本文首先指出建立在有功功率与无功功率解耦追踪的基础上的传统潮流追踪方法的不合理性。
As the traditional power flow tracing method is based on the active and reactive power decoupled method, the results obtained by this method is not precision.
本文提出了一种方法，以确定适当的无功功率赔偿来恢复在无法解决的严重意外中的潮流解。
This paper presents a methodology to determine the adequate reactive power compensation for restoring power flow solvability in the unsolvable severe contingencies.
ABB的系统设计在运行过程中还提供了额外的无功功率以尽量减少新的提升机对周边电网的影响。
ABB's system design also provides additional reactive power during operation, to minimize the new hoist's impact on the surrounding power network.
同步调相机的额定容量是调相机在额定电压下能连续提供的无功功率量。
The rating of a synchronous condenser is the magnitude of reactive power that the unit can supply continuously at rated voltage.
本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
此外，调相机一般还具有短时提供超出额定容量无功功率的能力，如一分钟内可达1.5倍额定值。
In addition, condensers typically have the capability to supply above rated reactive power for short periods of time such as 1.5 times rating for one minute.
对电力电子系统的无功功率与谐波抑制方法进行分析。
The article analyzes reactive power compensation and harmonic restraining in power electronic system.
本文提出了用最优无功潮流法规划超高压电网感性无功功率补偿设计的方法，这是保证电网电压质量和经济运行的前提。
To ensure the voltage quality and the economic operation a design method for planning reactive power compensation in UHV network with optimum reactive power flow is presented in this paper.
设置补偿电容器是补偿电网中无功功率的传统方法之一，无功补偿装置在电网中应用相当普遍。
One of the traditional methods of reactive power compensation is to use compensating capacitors, therefore, compensation device is widely used in power network.
无功功率补偿是电力系统中的一项重要工程。
The reactive power compensation is an important project in the power system.
介绍了电力系统无功电能计量的重要性，并分析了无功功率的计量原理。
The importance of reactive energy measurement was introduced and the principle of reactive power measurement was analyzed.
无功功率补偿是工业企业及建筑电压设计中经常采用的一种节能方式。
Compensation of wattless power is a kind of energy saving method in enterprise and design of architecture electric ensineering.
利用静止无功补偿装置实现动态无功功率补偿的研究是目前电力电子学科中比较活跃的研究领域之一。
At present, the research on compensating reactive power using static compensation device is one of the most active areas in power electronics subject.
综合治理电气化铁道的谐波和无功均要求动态补偿无功功率。
The composite compensation of harmonic and reactive power of electrified railways needs reactive power dynamic compensation.
介绍了瞬时无功功率理论在谐波和无功电流实时检测方面的应用。
Instantaneous reactive power theory applied on harmonic and reactive current real-time detection is presented in this paper.
无功功率优化是减少电网损耗的有效措施。
The reactive power optimization is an effective measure for reducing the network loss.
无功功率服务是电力市场辅助服务的一个重要组成部分，而发电厂的无功电价又是无功市场辅助定价的基础。
Reactive power service is a key component of power market ancillary service, and reactive power price in the generation side is the base of reactive power market.
所以，现代电力系统中的无功功率与电压控制是一个非常重要的问题，需要很好地解决。
So reactive power and voltage control in modern power system is a very important problem that need to solve well.
介绍了低压配电网无功功率自动补偿控制器的软件和硬件设计方法。
Hardware and software design of reactive power automatic compensation controller for low-voltage distribution systems is introduced.
该控制方法能改善系统电能质量的调节，有效地补偿负荷侧谐波电流、无功功率和负序电流。
This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.
在这一环境下，如果无功功率支持不足，就可能出现电压失稳。
Under this environment, voltage instability may result when reactive power support is insufficient.
高精度智能无功功率补偿器是采用相关理论的算法和PIC微控制器实现的一种控制器。
Passive power compensator with high precision and intelligence is a controller, which is accomplished by the algorithm of relative theory and PIC microcontroller.
高精度智能无功功率补偿器是采用相关理论的算法和PIC微控制器实现的一种控制器。
Passive power compensator with high precision and intelligence is a controller, which is accomplished by the algorithm of relative theory and PIC microcontroller.
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