NRCan能效限值

NRCan能效限值要求
Energy performance standard for battery chargers 

Product class  and description	Rated battery energy   (Ebatt†)	Special characteristic or batty voltage	Maximum UEC (kWh/yr)(as a function of E batt†)
1-Low-energy	≤5 Wh	inductive connection*	3.04
2-Low-energy,low-voltage	<100 Wh	<4 V	0.144*E batt + 2.95
3-Low-energy,medium-voltage	<100 Wh	4-10V	For E batt<10Wh,1.42kWh/yr      E batt≥10Wh,0.0255* E batt+1.16
4-Low-energy,high-voltage	<100 Wh	>10V	0.11*E batt+3.18
5-Medium-voltage ,low-voltage	100-3000Wh	<20 V	0.257*E batt+0.815
6-Medium-voltage ,high-voltage	100-3000Wh	≥20 V	0.0778*E batt+2.4
7-High-energy	>3000Wh		0.0502*  E batt+4.53

   
E batt=rated battery energy
UEC=unit energy consumption
kWh/yr=kiowatt-hours per year
Wh=watt-hours
V=volts
†E batt used in this Table is the sample mean of the measured battery discharge energy.
Inductive connection and designed for use in a wet environment (e.g.electric toothbroushes).



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