72V 3kw obc on board battery charger for electric vehicles

Mains Input

Rated Voltage

Vac

220

Voltage Range

Vac

85~264 (The output from 85-176 is automatically reduced to 1.2 KW)

FREQ RANGE

HZ

47~63

Efficiency(max)

%

≥95

Power Factor

≥0.99@220Vac,rated power

Current(MAX)

A

≤16@220Vac

Mains output

Rated Output Voltage

Vdc

70

Constant voltage output range

Vdc

50~90 (According to the customer battery final decision)

Max Current

A

35

Constant power output

W

300

Output voltage accuracy

V

≤±1%Vo input 176Vac-264Vac,output 10%-100% load

Line regulation

%

≤±0.2%Vo input 176Vac-264Vac,output 100% load

Load regulation

%

≤±0.5%Vo  input 220Vac,output 10%-100% load

Ripple and noise

mV

≤±3%Vo  20M oscilloscope,Twisted-pair cable test.

Auxiliary supply

Rated output voltage

Vdc

12

Rated output power

W

2  (Activate BMS)

Property

Input over-voltage protection

Vac

≥270      CAN directive warning protection

Input under-voltage protection

Vac

≤80       CAN directive warning protection

Output Over-current protection

A

Io≥120%   CAN directive warning protection

Output under-voltage protection

Vdc

≤50      CAN directive warning protection

Output over-voltage protection

Vdc

≥91      CAN directive warning protection

Over-temperature protection

℃

85±5      CAN directive warning protection

Output short circuit protection

yes       (CPU intelligent control)

Reverse polarity protection

yes       (CPU intelligent detection)

Dynamic response

us

≤200

CAN communication

Communication interrupt, timeout of 20 seconds intelligent shutdown, communication normal recovery.

Work environment

Operating temperature

-40℃~+85℃(Intelligent derating shell temperature above 70 ℃)

Storage temperature

-45℃~+105℃

Operating humidity

%RH

20-90(No condensation)

Storage  humidity

%RH

10-95(No condensation)

Vibration

QC/T413-2002(Other parts required)

Cooling mode

Air cooling

Safeguard

Isolation Voltage

shell←input→output:2.8KVdc;

Output→shell:2KVdc;

Auxiliary Output→shell:700Vdc

Insulation resistance

MΩ

input—output—shell>10 (25℃,70%RH)

IP Grade

IP67

Structure

mode of connection

Waterproof aviation connector

weight

Kg

5

Size

mm

316*194.5*108.5