ElectricalPowerSupplyandDistributionTerminology1BasicConcepts基本概念PowerSystem-电力系统PowerSupply-电源PowerDistribution配电ElectricGrid-电网Transmission-输电Substation-变电站Load-负荷Demand-用电需求Generation-发电Power Distribution System-配电系统Primary Distribution-一次配电方Secondary Distribution二次配电Power Quality电能质量方订Voltage Drop-电压降Load Balancing负载均衡方Power Outage-停电Blackout-大范围停电Brownout电压不足2 Components&Equipment设备Transformer变压器万万Step-upTransformer-升压变压器Step-downTransformer降压变压器CircuitBreaker(CB)-断路器Disconnector(Isolator)-隔离开关方Fuse-熔断器Switchgear-开关设备方Busbar母线Relay方CapacitorBank电容器组Reactor-电抗器SurgeArrester-一避雷器Distribution Transformer-配电变压器Ring Main Unit(RMU)-环网柜Automatic Transfer Switch(ATS)-自动转换开关Molded Case Circuit Breaker(MCcB)-塑壳断路器文Intelligent Electronic Device(IED)-智能电子设备Power Factor Correction(PFC)Device-功率因数校正装置Uninterruptible Power Supply(UPs)-不间断电源3 DistributionSystems配电系统LV(LowVoltage)-低压(<1kV)万MV(MediumVoltage)-中压(1kW~35kV)HV(HighVoltage)-高压(35kW~220kV)万EHV(ExtraHighVoltage)超高压(>220kV)RadialSystem-放射式配电系统RingMainSystem-环网配电系统UndergroundCable-地下电缆方OverheadLine-架空线路4 Protection&Safety保护和安全ShortCircuit-短路OvercurrentProtection-过电流保护EarthFault-接地故障InsulationResistance绝缘电阻Grounding(Earthing)-接地ArcFlash-电弧闪光DifferentialProtection-差动保护SelectiveCoordination-选择性配合Overload Protection-过载保护Selective Tripping-选择性跳闸Arc Fault Detection-电弧故障检测Residual Current Device(RCD)-剩余电流保护器Differential Relay-差动继电器Zone of Protection-保护区域Fault Current Limiter-故障电流限制器5Measurements&Parameters测量和参数万