Specifications

68
Line loss
Avoltagedropcausedbyresistanceinwireduring
transmissionofelectricalpoweroverdistance.
Load
Anydevicethatconsumeselectricitytooperate.
Appliances,tools,andlightsareexamplesof
electricalloads.
Low battery protection
Acontrolcircuitthatstopstheowofelectricity
frombatteriestoloadswhenbatteryvoltagedrops
tolowlevels.
Modified sine wave
Alsocalledamodiedsquarewave,thistypeof
waveformemulatesasinewaveusingaseriesofsteps.
Overload/Max. AC overcurrent protection
Acontrolcircuitdesignedtoprotectaninverter,load,
orwiringagainstcurrentexceedingitscapacity.(A
fuse,forexample,isanMax.ACovercurrentprotection
device.)
Parallel wiring
BatteriesorPVmodules,wiredtogethertoincrease
ampacity,whilevoltageremainsconstant.
Two 100Ah12Vbatterieswiredinparallelwillform
a200Ah12Vbatterybank.
Photovoltaic (PV) array
Agroupofsolar(PV)panelsconnectedtogetherto
convertenergyfromsunlightintoDCelectricalenergy.
Sine wave
ThetypeofACwaveformproducedbytheutilityor
bymostgenerators.
Series wiring
BatteriesorPVmoduleswiredtogethertoincrease
voltage,whileampacityremainsconstant.Two 100Ah
12Vbatterieswiredinseriesforma100Ah24Vbattery
bank.
Surge capacity
Theamountofcurrentaninvertercandeliverforshort
periodsoftime.Forexample,electricmotorsdrawupto
6timestheirratedcurrentwhilestarting.Aninverterwill
providesurgecurrenttomeetthestart-uprequirements
ofmotorsorotherloadswithhighinrushcurrent.
Transfer switch
Aswitchdesignedtotransferelectricitybeingsupplied
toloadsfromonesourceofpowertoanother.
Volts (V)
Aunitofmeasureofvoltage,whichistheelectromotive
forceorelectricpotentialdifferencebetweentwopoints
inacircuit.
Watt(s) (W)
Aunitofmeasureoftheamountofelectricalpower
consumedbyaloadorsuppliedbyasourcesuchas
thegridoraninverter.
Watts=voltsxampsxpowerfactor
Watt hour (Wh)
Electricalenergyconsumptionorcapacitymeasuredin
termsoftime.Onewatthourofelectricityisequalto
onewattofpowerbeingconsumedforonehour.
> Glossary of terms