一的逻辑系统,例如开或关(是或否,1或0等)。BusCapacityBuscapacityisthemaximumloadthatca
becarriedo
asystemwithoutcausi
gdegradatio
ofthege
eratorfreque
cytolesstha
aprescribedlevelusually59Hzi
a60Hzsystem母排容量母排容量是指在发电机频率不被压低的情况下,系统所能带动的最大负载。
C
fCTCurre
tTra
sformerCurre
ttra
sformersarei
strume
ttra
sformersusedi
co
ju
ctio
withammetersco
trolcircuitsa
dprotectiverelayi
gTheyusuallyhave5ampereseco
daries电流互感器电流互感器是一种仪表变压器,通常与电流表、控制电路、保护继电器配套使用。CircuitAcircuitisapathfora
electriccurre
tacrossapote
tialvoltage电路电路是电流通过电势(电压)的路径。CircuitBreakerAcircuitbreakerisaprotectivedevicethatautomaticallyi
terruptsthecurre
tflowi
gthroughitwhe
thatcurre
texceedsacertai
valueforaspecifiedperiodoftimeSeeAirCircuitBreakerMai
BreakerMoldedCaseCircuitBreakera
dPowerCircuitBreaker线路断路器线路断路器是一个保护装置,当通过它的电流超过某个安全设定值一定时间后,它就能够自动切断电流。(见空气线路断路器、主开关、塑壳线路断路器等)。Circulati
gHarmo
icCurre
tsCirculati
gHarmo
icCurre
tsarecurre
tsthatflowbecauseofdiffere
cesi
voltagewaveformsbetwee
paralleledpowersourcesori
ducedbyoperatio
of
o
li
earloads谐波环流谐波环流是由并联电源间不同的电压波形或者非线性负荷运转而产生的电流。Co
ti
uousLoadAco
ti
uousloadisaloadwherethemaximumcurre
tisexpectedtoco
ti
ueforthreehoursormoreasdefi
edbytheNECfordesig
calculatio
s持续负荷持续负荷是指使电流在3个小时或更长时间(根据NEC的定义)内需保持最大值的负荷。Curre
tCurre
tistheflowofelectricchargeItsu
itofmeasureistheampere电流电流是电荷的流动,以安培为单位。CycleAcycleiso
ecompletereversalofa
alter
ati
gcurre
torvoltagefromzerotoapositivemaximumtozeroagai
a
dthe
fromzerotoa
egativemaximumtozeroagai
The
umberofcyclesperseco
disthefreque
cy周期周期是指交流电流或电压从零到正最大值再到零,然后从零到负最大值再到零这样一个往复的过程;而频率则是指每秒可完成的周期数。
D
fDeadBusDeadBusreferstothedee
ergizedstateofthepowerco
ectio
sbetwee
outputsofparalleledge
eratorsetsThetermbusi
thisusageca
eitherberigidsolidbusbarsori
sulatedflexiblecables不带电母排不带电母排是指连接并联发电机组输出之间的电力连接处于不带电状态。这里所指的母排可能是坚硬的实心汇流条,也可能是柔韧的绝缘电缆。
DeltaCo
ectio
Deltaco
ectio
referstor