有功功率

基于模糊自适应PID控制的水电站有功功率调节

Hydropower Station on Active Power Regulation Based on Fuzzy PID Control

基于非线性PID的双馈发电机有功功率控制

Active power control of doubly-fed induction generators based on nonlinear PID

由于系统电压负相次序，B端有功功率会包含二次谐波；

The active power at terminal B contains the second harmonic ripple owing to the negative-phase-sequence component of the system voltage ;

基于有功功率平衡和蚁群算法优化PI参数的有源滤波器

Active Power Filter Based on Active Power Balance Principle and Ant Colony Algorithm Optimized PI Regulator

运用示功图中P～PR的关系，计算了悬点载荷、曲柄轴转矩和有功功率。

According to the relationship between P ~ PR in the diagram , the load , crank torque and active power have been calculated .

在传统的电力系统潮流计算数学模型中，都是假定负荷节点的有功功率P、无功功率Q保持不变，这与电力系统实际运行情况并不完全相符。

In traditional power flow algorithm model , it is completely unreasonable to assume that all load nodes in power system can be classified as PQ nodes .

结合DSP芯片的特点分析了仪器的硬件电路及其对电压、电流、有功功率、无功功率、频率、谐波、电压闪变等各项电能质量监测功能的实现原理。

And analyses the circuits of the instrument , and realization of measurement of voltage , current , power , frequency , harmonic , glitter of voltage .

该仪器可以带电测量电潜泵的三相电流、三相电压、有功功率和功率因数等参数，采用LCD点阵液晶显示屏显示，掉电数据保存，测量精度0.5级。

This instrument can measure such parameters as three-phase current , three-phase voltage , active power and power factor of an ESP well .

直流侧电压的控制利用有功功率守恒的方式控制，避免了传统PI控制中的参数计算环节。

The control of the DC voltage uses the active power conservation pattern to avoid obtaining parameters of Proportion Integration ( PI ) control .

本文叙述了《计及网损发电机之间有功功率最优经济分配》的计算原理、计算举例以及计算系统网损用的B系数的计算。

The paper presents the principle of calculating of optimal economic dispatch active power between generators with considering transmission losses , a calculating example , and the calculation of transmission losses with B coefficients .

最后，基于MATLAB的仿真结果表明该控制器具有良好的启动和故障恢复性能，也能实现有功功率和无功独立控制。

At last , the MATLAB simulation results show that the controller has excellent startup and fault recovery performances , and can realize independent decoupling control for active and reactive power .

因而可通过分离检测各模块输出的有功功率差和无功功率差，并利用DSP控制电路来控制每模块的基准相位和电压幅值，使各模块输出功率保持均衡。

The control method of paralleled inverter is presented , that is , DSP controller controls the output power to balance through regulating the reference voltage phase and value of inverter .

SVM静态负荷模型建模的基本思想是用两个SVM分别表示有功功率、无功功率和电压幅值、频率值以及其他表征负荷特性的参数之间的非线性映射关系。

In static load modeling , the nonlinear mapping between active power or reactive power and voltage magnitude , frequency and load parameters is established by SVM .

研究了UPFC内部控制器的控制策略，同时为了减小不同控制器间的相互作用，推导了UPFC直流电容连接器上通过的有功功率PB的表达式。

Put forward the control strategy of UPFC internal controllers , and proposed holding the active power P_b as the standard to minimize the mutual influence between controllers .

外环控制器由稳态逆模型和PI调节器构成，实现系统有功功率和无功功率的独立调节。

The outer loop is power regulators , which combines the inverse steady state model with PI regulator , and can control the active and reactive power separately .

为了保持双脉宽调制（PWM）三电平调速装置直流电容电压的平衡，提高装置的运行性能和可靠性，提出了一种新型的有功功率反馈控制方法。

A new control method with active power feedback is proposed to balance the DC link voltage and enhance the performance of dual PWM three level electric drive systems .

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 .

Matlab仿真结果表明：基于以上两种控制策略的UPFC能有效调节线路的有功功率及无功功率，保证节点电压及电容器端电压的稳定，证明该UPFC的设计方法是有效的。

MATLAB simulation shows that UPFC can effectively regulate active power flow , re active power flow , voltage on bus and voltage on direct circuit capacitor .

对PV节点处理方法是根据PV节点迭代电压不变性和PV节点有功功率不变性，求解PV节点注入电流。

For the PV node , processing method is based on iterative voltage invariance and its active power invariance , in order to solve the PV node injection current .

提出了利用DSP技术测量电力参数的基本思想，对相位误差引起的电力参数中的有功功率和无功功率误差进行了补偿。

This paper introduces the basic idea of applying DSP in the measuring of electric power parameters . The method is given to compensate errors of active power and reactive power caused by errors of phase .

与传统HVDC相比，VSC-HVDC可以同时控制有功功率和无功功率是一个非常重要的特点。

Compared with the traditional HVDC , a very important feature of VSC-HVDC is that the real and reactive power can be controlled separately and simultaneously .

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 .

对采样得到的电压、电流数据可用复序列FFT原理计算各次谐波的电压、电流、有功功率、无功功率、功率因数。

We can get the vol-tage , current , active power , reactive power and power factor of each harmonious from the sam-pling voltage and current by means of complex sequence FFT theory .

通过稳定控制双PWM变换器的直流侧电压，实现将发电机定子输出有功功率及时传递给电网；通过控制电网无功电流分量，实现无功功率的独立调节。

The output active power of generator is transmitted to the grid by stably controlling DC-link voltage . The reactive power of the grid-side converter is regulated by controlling the reactive current of the grid-side converter .

本文首先采用含有有功功率P、电压U和负荷阻抗角φ的三元分析法研究OLTC变比变化对静态电压稳定性的影响。

Firstly , this article studies the influence of OLTC transformer ratio change on static voltage stability by using the ternary analytical method of voltage U , power P and load impedance angle φ .

使用不可控整流为直流侧电容充电的DVR，在补偿时只允许其向系统注入有功功率。

Installation of a diode rectifier circuit for charging the DC-link storage capacitor only allows DVR to inject active power to distribution system during compensation .

在稳态特性方面，分析了变速恒频双馈风力发电机组的有功功率特性、无功功率特性和P-Q容量极限。

At the aspects of steady characteristics , the active power , reactive power and P-Q capacity limit are analyzed .

该测量算法采用复序列快速富里叶变换（FFT）原理，计算各次谐波的电压、电流、有功功率、无功功率和功率因数。

By means of complex sequence FFT , the algorithm can be used to calculate the voltage , current , active power , reactor power and power factor of any order of specified harmonics .

基于VFC的电力系统有功功率微机测量系统及其算法

Hardware system and arithmetic on microprocessor-based active power measurement of electric power system based on voltage-frequency converter

该文基于微分几何理论，在建立三相电压型PWM整流器仿射非线性模型基础上，提出其状态反馈精确线性化非线性控制策略，实现了三相电压型PWM整流器无功功率和有功功率的解耦控制。

Based on the feedback linearization theory of differential geometry theory , an affine nonlinear mode of three phase voltage source PWM rectifier in the rotating frame d-q is set up by applying impulse mode integral method .