公共连接点

但在实际系统中，公共连接点处的谐波问题往往是由多个谐波源负荷共同作用产生的。

However , in the actual system , the harmonic problem on the PCC is usually produced together by multiple harmonic sources .

风电潮流的波动会引起并网系统公共连接点（PCC）电压的波动。

Reactive power variation of integration wind farm may cause point of common coupling ( PCC ) voltage fluctuation .

建立了包括有源电力滤波器（APF）在内的公共连接点（PCC）的数学模型；

The mathematical models of the point of common coupling ( PCC ) comprising Active Power Filter ( APF ) are established .

针对电网电压不平衡问题，提出了一种用静止无功发生器（SVG）抑制公共连接点（PCC）不平衡电压的控制方法。

In this paper , a direct-current-controlled Static Var Generator ( SVG ) is proposed to solve the voltage unbalance issue at the Point of Common Coupling ( PCC ) .

其研究成果主要集中于区分系统侧和用户侧在公共连接点（PCC）处的谐波影响，对单个谐波源的谐波发射水平进行评估。

The research findings mainly focused on distinguishing the harmonic impacts of the system side and user side on the Point of Common Coupling ( PCC ), and evaluating the harmonic emission level of single harmonic source .

文中通过对公共连接点（PCC）谐波电能性质的分析，提出了有无谐波情况下均可按照用户与电网的PCC的基波电能进行电力用户电量计费的统一计量方法。

By discussing the characteristics of harmonic energy at the point of common coupling ( PCC ), an uniform watt hour metering method that all consumers pay for their fundamental energy at PCC without regard to the existence of harmonics in the network or the consumer is presented .

一种公共连接点处用户与系统谐波的区分方法

Method to determine customer and system harmonic contributions at PCC

通过对现场公共连接点处最大谐波电流允许注入值的分析，证明了其谐波治理的必要性。

The analysis about the largest value of harmonic current injected into the point of common coupling proved the necessary of harmonic control .

仿真结果表明，所提出的混合型有源电力滤波器既能有效地滤除谐波，又能对公共连接点的电压进行调节，具有较好的补偿性能。

Simulation results show that the theoretical analysis is valid and the presented compensation method has good characteristics in harmonic interference and voltage regulation .

微网是一个通过公共连接点与大电网相连的、同时包含电源和负荷的小型电力系统。

Microgrid is a small power system which contains power resources and loads simultaneously . It is connected to main power system through Point of Common Coupling ( PCC ) .