电抗约束型炉子应采用使熔池功率或有功功率最大的方式运行。
The reactance restraint type of furnace should take method of operation to make molten pool power and active power maximum.
电力系统的有功功率控制对于电力系统的安全稳定运行具有重要的意义。
The active power control is of great importance for the safe and stable operation of power systems.
通过计算有效值、有功功率、无功功率等具体实例证明了该算法的正确性。
By calculating valid value of electric quantum, its correctness is proved by actual examples.
非正弦电路中，有功功率定义已被公认，无功功率的定义却一直还没有定论。
The active power definition is well accepted, but the reactive power definition is still questionable in non-sinusoidal condition.
功率因数功率因数是电路中有功功率(w)视在功率(VA)间夹角的余弦值。
Power factor power factor is the cosine of the Angle between the active power (kW) and apparent power (kVA) in a circuit.
如此，在容限电压法当中，直流电压和和有功功率分别被整流器和反相器所控制。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
此外这些电厂所发出的有功功率决定于天气的亮暗度，而其在白天变化是很大的。
Besides, active power generation of these plans depends on the luminosity, which is very variable during day time.
本文提出了旨在消除同步采样条件限制的交流信号有功功率测量的异步采样方法。
This paper demonstrates an asynchronous sampling scheme, which can eliminate the restriction of the synchronous sampling requirement, for the measurement of the active power of the ac signal.
三相同步发电机作为三相工业频率的交流电源，研究其有功功率调节具有重要意义。
It's significant to study the regulation of active power of three-phase synchronous generator by way of the alternating power source of three-phase industrial frequency.
从电工学基本原理出发，详细讨论了变压器有功功率差动保护原理如何实现的问题。
According to the principle of electrotechnics, how to carry out power differential theory of power transformer is discussed.
容压法电力交换控制已经应用于终端控制器的直流电压控制部分和有功功率控制部分。
The voltage margin method for interchange power control was applied to the dc voltage control block (DC-AVR) and the active power control block (APR) in the terminal controller.
电力系统中常需测量电压、电流、功率因数、有功功率、无功功率和视在功率等参数。
In an electric power system, the following parameters often need measuring: voltage, current, power factor, power, reactive power and apparent power.
而且调节励磁不仅可以调节发电机的无功功率，还可以调节发电机的有功功率和转速。
Under proper excitation control, the reactive power, active power and speed of an ASG can be independently adjusted, respectively.
工控机完成有功功率、无功功率以及功率因数的计算，并查询模糊控制表，给出控制量。
The host computer finishes the calculation of active power, reactive power and power factor, inquire fuzzy form of controlling , give and publish the controlling amount.
提出了一种能有效地抑制由非同步采样引起的有功功率及功率因数的测量误差的加权算法。
A weighted algorithm is proposed for reducing effectively the error caused by non-synchronous sampling in active power and power factor measurement.
从物理和数学的角度，对单相电路、三相电路瞬时有功功率和瞬时无功功率的概念进行了剖析。
From physical and mathematical points of view, this paper analyses the nature of instantaneous active and reactive power.
运用定子磁链定向的双馈异步发电机矢量控制能够实现定子侧有功功率和无功功率的解耦控制。
The stator flux-oriented vector control method can realize de-coupled control of active and reactive power.
同时发电机多机组并网运行时，通过功率均衡电路实现各机组有功功率和无功功率的均衡分配。
At the same time, the power sharing controllers control the real power share and the reactive power share during the parallel operation of the diesel generators.
自动发电控制(agc)是调整电网频率与有功功率、保证电网安全、经济运行的重要措施之一。
Automatic generation control (AGC) is one of the important measures to regulate the frequency and active power of power grid and ensure its security and economic operation.
通过理论分析和推导，得出一组在不计网损下，任意多个水、火电厂之间有功功率经济分配的计算公式。
Through theoretical analysis and derivation, a formula for calculating active power economic distribution among any number of hydro and thermal power units was obtained under ignoring system losses.
采用集成电路实现舰船电站自动频载调节，从理论上分析了并联运行机组间的有功功率分配以及频差调节原理。
In this paper, we theoretically analyses the distribution of the active power and the regulation principle of the frequency differences between the parallel operating generators.
应用多变量非线性控制的逆系统控制理论，对双馈型变速风力发电系统的有功功率和无功功率进行了解耦控制。
A decoupled power controller based on inverse system theory was developed for a variable-speed doubly-fed wind power generation system.
自动功率分配：当两台机组同时工作时，系统可自动调频调载，保证两台机组的有功功率分配误差不大于10%。
Automatic power distribution: When two units at work, system can automatically mixed FM, ensure the two units of the active power distribution error less than 10%.
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.
研究了电距离、功率因数对临界状态的影响，提出用有功功率裕度反映节点承受负荷功率变化能力的弱节点判别式。
This paper therefore proposes a weak bus discriminant, which uses the active power proximity to described the ability of withstanding the load power variation.
至今几乎所有的电力变换器为在线换向式的当有功功率较小，而消耗的无功较大时，对所联接母线的电压是非常有害的。
Almost all the power converters in use up to now are line-commutated, when the level of active power is low, and reactive power consumed is high, being very harmful for the connection bus voltage.
本文提出的非正弦网络功率的分析方法是将视在功率分解成四个分量：有功功率、分散功率、无功功率、外加视在功率。
An analytic method of power in nonsinusoidal networks is suggested for the apparent power decomposition into four components, active power, scattered power, reactive power, and forced apparent power.
高压输电线路在输送负荷功率的同时自身也消耗有功功率、吸收或输出无功功率，线路无功会对功率因数产生很大影响。
While transmitting the load power, the high-voltage transmission line consumes the active power of its own, and absorbs or outputs the reactive power, which affects the power factor significantly.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
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