電能質(zhì)量專(zhuān)業(yè)詞匯

1、電能質(zhì)量專(zhuān)業(yè)詞匯Sag 凹陷wave quality波形質(zhì)量Unbalance factor 不平衡系數(shù)Background noise 背景噪聲Vulnerability 脆弱性Differential mode disturbance voltage差模干擾電壓Conducted disturbance傳導(dǎo)干擾Wave distortion 波形畸變Wave-shape fault波形缺陷Switching over-voltage操作過(guò)電壓Sustained interruptions持續(xù)中斷Electromagnetic interference-EMI 電磁干擾Electromagn

2、etic environment電磁環(huán)境Electromagnetic compatibility-EMC電磁兼容Current disturbance電流干擾Current distortion 電流畸變Current unbalance 電流不平衡Current quality 電流質(zhì)量Voltage event電壓事件Voltage characteristic 電壓特性Voltage change電壓變動(dòng)Voltage fluctuate 電壓波動(dòng)Voltage unbalance 電壓不平衡Voltage magnification電壓放大Voltage waveform disto

3、rtion 電壓畸變Voltage tolerance電壓容忍度Voltage regulation電壓調(diào)節(jié)Voltage dips電壓暫降Duration of a voltage sag電壓暫降持續(xù)時(shí)間Magnitude of a voltage sag電壓暫降幅值Voltage interruption電壓中斷Voltage surge電壓浪涌Interruption 斷電Interruption, temporary短時(shí)中斷Short duration harmonic短時(shí)間諧波Rated voltage, nominal voltage額定電壓Emission 發(fā)射Emission

4、level發(fā)射水平Radiated interference輻射干擾Uncharacteristic harmonic非特征諧波Nonlinear lode 非線(xiàn)性負(fù)荷Crest factor峰值系數(shù)Quality of service服務(wù)質(zhì)量Point of common coupling-PCC公共連接點(diǎn)Quality of supply供電質(zhì)量Critical load關(guān)鍵負(fù)荷Common mode disturbance voltage共模干擾電壓Limit of impedance干擾限制（允許值）Supply system impedance 供電系統(tǒng)阻抗Service conne

5、ction impedance供電連接阻抗Recover time 恢復(fù)時(shí)間Distortion 畸變Distortion power 畸變功率Distortion factor畸變系數(shù)Inter-harmonic間諧波Fundamental component基頻分量Compatibility level兼容水平Compatibility margin兼容裕度Earth electrode接地極Earth device接地裝置Immunity 抗擾性Immunity level 抗擾水平Immunity limit抗擾限值Immunity margin抗擾性裕量Critical distan

6、ce臨界距離Pulse 脈沖Impulsive disturbance脈沖騷擾Pulse width modulation-PWM脈沖寬度調(diào)制Susceptibility 敏感性Sensitive load/equipment敏感性負(fù)荷/設(shè)備Coupling 耦合Coupling capacitor 耦合電容Coupling path 耦合路徑Frequency deviation 頻率偏差Frequency response頻率響應(yīng)Shielding 屏蔽Shield earthing屏蔽接地Under-voltage欠電壓Missing voltage缺損電壓CBEMA curve容忍度曲

7、線(xiàn)Flicker 閃變Flickermeter閃變儀Transients 瞬態(tài)現(xiàn)象Transient oscillatory瞬態(tài)振蕩Transient over-voltage瞬態(tài)過(guò)電壓Characteristic harmonic特征諧波Outage 停運(yùn)Dropout voltage脫扣電壓Passive filter無(wú)源濾波器Radio noise無(wú)線(xiàn)電噪聲Phase shift相位移Phase-angle jumps相位跳變Notching 陷波Harmonic 諧波Harmonic source諧波源Harmonic ratio-HR諧波含有率Harmonic component諧波

8、分量Harmonic distortion諧波畸變Harmonic interference諧波干擾Harmonic resonance諧波諧振Harmonic filter諧波濾波器Earth current泄地電流Quality of consumption用電質(zhì)量Average interruption hours of customer-AIHC-1用戶(hù)平均停電時(shí)間Permanent outage永久停運(yùn)Active filter有源濾波器Dropout 意外丟失Sag, dips暫降Swell 暫升Interruption, momentary暫時(shí)中斷Temporary fault暫

9、時(shí)故障Temporary over-voltage暫時(shí)過(guò)電壓Total disturbance level總干擾水平Total harmonic distortion disturbance level總諧波畸變干擾水平Total harmonic distortion-THD 總諧波畸變率Total demand distortion-TDD總需量畸變率True power factor真功率因數(shù)DC offset直流偏置Negative sequence current負(fù)序電流Power quality電能質(zhì)量Static var compensator靜止無(wú)功補(bǔ)償器Static var generation靜止無(wú)功發(fā)生器Converter 換流器Coupling factor耦合系數(shù)Instantaneous reactive power theory瞬時(shí)無(wú)功功率理論Active power