1 、输入特性(input characteristics): a) 输入电压(input voltage): 额定电压(nominal voltage):100~240vac 调整范围(variation range):90~264vac b) 输入频率(input frequency): 额定频率(nominal frequency):50~60hz 调整频率(variation frequency):47~63hz c) 输入电流(input current): 在额定输入电压100v~240v时输入电流小于1a (the maximum input current shall be less than 1a at 100~240vac input) d) 待机功耗(maximum energy coumption in no-load ) 在额定输入电压100v~240v时待机功耗小于2w (the input power shall be less than 2w at 100~240vac input.) 2 、输出特性(output characteristics): a) 额定电压 (rated voltage):dc54.6v±0.2v b) 额定电流 cv 模式(rated current cv mode ):2±0.2a c) 转灯电流(turn lamp current):200-400ma d) 波纹和噪音(ripple and noise): 输出端并0.1uf与10uf电容,限制示波器带宽20mhz时,测得纹波大:300mv output ripple voltage is 300m p-p measured methods:performed by 20mhz bandwidth in oscilloscope.applied 0.1uf ceramic capacitor and 10uf electrolytic capacitor across output connector terminals measured at the end of dc cable. e) 启动延迟时间(turn on delay time): 当输入115vac和输出大负载时,大启动时间为2s。 2 second max. at 115vac input and output max. load. f) 上升时间(rise time): 当输入115vac和输出大负载时大时间为40ms。 40ms max. at 115vac input and output max. load. g) 保持时间(hold up time): 当输入115v和输出大负载时,小保持时间为5ms。 5ms min. at 115vac input and output max. load. h) 效率(efficiency): 当输入100vac和输出大负载时,小80%。 80%min.at 100vac input and output max. load. 当输入240vac和输出大负载时,小81%。 81%min.at 240vac input and output max. load. i) 过冲(ovehoot): 在电源开启或关闭的时候,大15%。 15%max.when power supply at turn on or turn off. 3 、保护功能(protection requirement): a) 短路电路保护(short circuit protection): 该电源供给器在短路解除时,能恢复正常工作。 the power supply will be auto recovered when short circuit faultsremove. b) 过流保护(over current protection): 过流故障排除后,电源将自动恢复正常工作。 the power supply will be auto recovered when over current faults remove. 4 、环境要求(environmental requiremet): a) 工作温度(operating temperature): 0 ℃~ 40℃,满载,正常工作(full load normal operation)。 0 ℃to40℃,full load normal operation. 储存温度(storage temperature): -20 ℃to85℃,带外壳(with package). b) 工作湿度(relative humidity): 5%(0 ℃)~90%(40℃),72小时,满载,正常工作 5%(0 ℃)~90%(40℃)rh,72h,full load normal operating. 5 、安全及emc要求(safety and emc requirement): a) 安全(safety):符合ccc ce fcc kc标准(ccc ce fcc kc compliant) b) 高压(dielectric strength): 测试方法按下面接线图 (primary to secondary): 1500vac/5ma/60s. "电动车聚合物锂电池充电器54.6v2a ce fcc kc"的输入参数为100-240vac,输出参数是54.6v,电池类型为锂电池,型号是xve-120w,品牌为xve,充电电流是2(a),外壳材质为塑胶,加工定制是是,外形尺寸为172*72*32*34(mm)