reactive power
[电] 无功功率
2025-11-24 20:51 浏览次数 12
[电] 无功功率
1. reactive volt-amperes
magner无功功率
reactive automatic power compensation无功自动补偿
Reactive Optimal Power Flow最佳无功优化
reactive-power q无功功率q
reactive e power relay无功功率继电器
reactive supplying power无功补偿
wattless power[电] 无功功率
reactive circular power flow无功环流
reactive e power meter无功功率表
reactive-power optimization无功优化
reactive-power demand功功功率需求
active power and reactive power of the system output could be changed by regulating control signal in order to meet the power grid.
通过调节逆变装置的控制信号可以改变系统输出的有功功率和无功功率,实时满足电网的功率需要。
this paper presents a methodology to determine the adequate reactive power compensation for restoring power flow solvability in the unsolvable severe contingencies.
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。
active filters have been used to solve the problem of more and more serious reactive power and harmonic pollution to power systems.
有源滤波器在为解决日益严重的无功和谐波污染问题方面可发挥有效作用。
reactive power has close relationship with voltage quality.
无功与电压质量有着密切的联系。
in three-phase distorted and unbalanced systems, the conventional instantaneous reactive power theory and synchronous detecting method all have limitation.
在三相畸变不对称系统中,传统的瞬时无功功率理论和同步检测算法都存在缺陷。
hardware and software design of reactive power automatic compensation controller for low-voltage distribution systems is introduced.
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。
the study shows that the reactive power service provided by power plant should be compensated for the safe and stable operation of power system.
研究结果表明发电厂的无功服务得到一定的经济补偿,使其可自觉地维持电力系统的安全和稳定运行。
this paper shows that reactive power change △q can be used as a reference value of reactive compensation.
本文对低压电网无功补偿的问题提出以无功功率的改变量△q作为无功补偿的参考量。
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.
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。
this paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法,用瞬时无功功率和励磁电流变化来估计电机转速。
when the power factors of circuitry changes, the change △q of reactive power is measured by a microcomputer.
当线路的功率因数改变时,微机检测无功功率的变化量△q;
research of reactive power optimization has the great significance in theory and practical application.
因此,无功优化问题的研究,既有理论意义,又有实际应用价值。
reactive power pricing and the allocation of reactive power cost is the key to the reactive energy market.
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。
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.
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。
abb「s system design also provides additional reactive power during operation, to minimize the new hoist」s impact on the surrounding power network.
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。
this paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.
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。
secondly, the instantaneous reactive power theory and it ' s application to reactive power control and detection are introduced.
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。
in the rpas, it is key to the allocation of reactive power cost and reactive pricing.
在无功辅助服务中无功成本的分摊和定价是一个关键的问题。
a power quadrilateral consists of apparent power s, active power p, reactive power q, and distortion power n, or is composed of a fundamental harmonic power triangle and a harmonic power triangle.
为解决功率三角形不能解决的一些问题,例如求含谐波电流的非正弦电路的电气参数问题,根据电工理论提出了由视在功率s、有功功率p、无功功率q和畸变功率n构成的功率四边形。
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.
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蹤的基础上的传统潮流追蹤方法的不合理性。
this reactive power is exchanged with the grid to control the system voltage .
通过无功功率的调节达到控制系统电压的目的。
several methods of measuring harmonic and reactive power current are introduced and compared in this paper.
本文介绍了常用的几种谐波和无功电流检测方法,并进行了比较。
the calculation results of simple examples also illustrate the scientific rationality and importance of the analysis and calculation of the reactive power cost.
简单算例的计算结果也进一步说明对无功成本进行分析计算的科学合理性和重要性。
the rating of a synchronous condenser is the magnitude of reactive power that the unit can supply continuously at rated voltage.
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。
finally, it outlooks the development direction of reactive power compensation.
最后展望了无功功率补偿技术的发展方向。
so reactive power and voltage control in modern power system is a very important problem that need to solve well.
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。