电能质量专业词汇

1、电能质量专业词汇Sag 凹陷wave quality波形质量Unbalance factor 不平衡系数Background noise 背景噪声Vulnerability 脆弱性Differential mode disturbance voltage差模干扰电压Conducted disturbance传导干扰Wave distortion 波形畸变Wave-shape fault波形缺陷Switching over-voltage操作过电压Sustained interruptions持续中断Electromagnetic interference-EMI 电磁干扰Electromagn

2、etic environment电磁环境Electromagnetic compatibility-EMC电磁兼容Current disturbance电流干扰Current distortion 电流畸变Current unbalance 电流不平衡Current quality 电流质量Voltage event电压事件Voltage characteristic 电压特性Voltage change电压变动Voltage fluctuate 电压波动Voltage unbalance 电压不平衡Voltage magnification电压放大Voltage waveform disto

3、rtion 电压畸变Voltage tolerance电压容忍度Voltage regulation电压调节Voltage dips电压暂降Duration of a voltage sag电压暂降持续时间Magnitude of a voltage sag电压暂降幅值Voltage interruption电压中断Voltage surge电压浪涌Interruption 断电Interruption, temporary短时中断Short duration harmonic短时间谐波Rated voltage, nominal voltage额定电压Emission 发射Emission

4、level发射水平Radiated interference辐射干扰Uncharacteristic harmonic非特征谐波Nonlinear lode 非线性负荷Crest factor峰值系数Quality of service服务质量Point of common coupling-PCC公共连接点Quality of supply供电质量Critical load关键负荷Common mode disturbance voltage共模干扰电压Limit of impedance干扰限制（允许值）Supply system impedance 供电系统阻抗Service conne

5、ction impedance供电连接阻抗Recover time 恢复时间Distortion 畸变Distortion power 畸变功率Distortion factor畸变系数Inter-harmonic间谐波Fundamental component基频分量Compatibility level兼容水平Compatibility margin兼容裕度Earth electrode接地极Earth device接地装置Immunity 抗扰性Immunity level 抗扰水平Immunity limit抗扰限值Immunity margin抗扰性裕量Critical distan

6、ce临界距离Pulse 脉冲Impulsive disturbance脉冲骚扰Pulse width modulation-PWM脉冲宽度调制Susceptibility 敏感性Sensitive load/equipment敏感性负荷/设备Coupling 耦合Coupling capacitor 耦合电容Coupling path 耦合路径Frequency deviation 频率偏差Frequency response频率响应Shielding 屏蔽Shield earthing屏蔽接地Under-voltage欠电压Missing voltage缺损电压CBEMA curve容忍度曲

7、线Flicker 闪变Flickermeter闪变仪Transients 瞬态现象Transient oscillatory瞬态振荡Transient over-voltage瞬态过电压Characteristic harmonic特征谐波Outage 停运Dropout voltage脱扣电压Passive filter无源滤波器Radio noise无线电噪声Phase shift相位移Phase-angle jumps相位跳变Notching 陷波Harmonic 谐波Harmonic source谐波源Harmonic ratio-HR谐波含有率Harmonic component谐波

8、分量Harmonic distortion谐波畸变Harmonic interference谐波干扰Harmonic resonance谐波谐振Harmonic filter谐波滤波器Earth current泄地电流Quality of consumption用电质量Average interruption hours of customer-AIHC-1用户平均停电时间Permanent outage永久停运Active filter有源滤波器Dropout 意外丢失Sag, dips暂降Swell 暂升Interruption, momentary暂时中断Temporary fault暂

9、时故障Temporary over-voltage暂时过电压Total disturbance level总干扰水平Total harmonic distortion disturbance level总谐波畸变干扰水平Total harmonic distortion-THD 总谐波畸变率Total demand distortion-TDD总需量畸变率True power factor真功率因数DC offset直流偏置Negative sequence current负序电流Power quality电能质量Static var compensator静止无功补偿器Static var generation静止无功发生器Converter 换流器Coupling factor耦合系数Instantaneous reactive power theory瞬时无功功率理论Active power