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harmonic
- 利用Blackman窗函数对工频信号进行加窗FFT后校正计算出基波和谐波的幅值、频率和初始相角。-Blackman window function using frequency signal windowed FFT is calculated after the correction of fundamental and harmonic amplitude, frequency and initial phase angle.
opf
- 系统的结构参数和负荷情况都已给定时,调节可利用的控制变量(如发电机输出功率、可调变压器抽头等)来找到能满足所有运行约束条件的,并使系统的某一性能指标(如发电成本或网络损耗)达到最优值下的潮流分布。-Optimal power flow(OPF) is a fundamental tool in power system planning and operation.
shunshiwugongjiance
- 基于瞬时无功理论检测十二相整流电路基波有功电流、基波无功电流以及谐波电流-Detect fundamental active current ,fundamental reactive current and harmonic currents of twelve phase rectifier based on instantaneous reactive power theory.
DFIG
- FUNDAMENTAL FREQUENCY CONTROL BASED ON DFIG WIND FARM
multiresonant
- 本文提出了一种新的多谐frequencyadaptive并网电源的同步方法转换器,不仅可以估计基波功率信号的正负序分量频率,对其他谐波频率序列部分的估计也很受用(this paper presents a new multiresonant frequencyadaptive synchronization method for grid-connected power converters that allows estimating not only the positive- and ne
vacuum_circuit_breaker_restrike
- 这个例子显示了电容电流中断期间的电压升高。 假设: 1.断路器可以在每次重新起弧后中断第一个电流零点的高频电流 2.重击发生在基频的每半个周期。 重击时间由重击组件(当前零点与重新起弧之间的相位角之间的相位角)指定(This example shows the voltage escalation during capacitive current interruption. assumptions: 1. the breaker can interrupt the h