A. Overview

The KECD-G series chargers from Kaiyuan New Energy are designed with internationally advanced PWM technology and temperature based circuit topology. They have the characteristics of high overall efficiency, wide operating temperature range, strong anti-interference ability, good electromagnetic compatibility, strong grid adaptability, fast dynamic response, stable temperature, small noise ripple, and strong protection function. They are widely used in transportation, communication, railway, power industry automation control, laboratory and other fields.

B. Characteristics

The appearance is simple and elegant, and the operation is convenient:

The current and voltage can be set using buttons, and the output accuracy should be within ± 1%

L can preset output values and quickly output the set parameters:

The high brightness LCD screen displays voltage and current information, which is intuitive and convenient:

Intelligent control of fan:

Provide CAN2.0B interface for connecting to BMS or remote control through computer.

C. Technical parameters

Input voltage: three-phase 380VAC ± 10%

AC power grid frequency: 50/60HZ ± 5%

Output power: customized

Output voltage: 10% - adjustable rated voltage

Output current: 1% - adjustable rated voltage

Voltage stabilization accuracy: ≤ 0.5%

Stable current accuracy: ≤ 0.5%

Ripple factor: ≤ 0.6%

Efficiency: ≥ 92%

Power factor: ≥ 0.99

Communication method: CAN 2.0B

Leakage current: ≤ 20mA

Insulation resistance: ≥ 10M Ω

Noise: ≤ 60dB

Overheating protection value: 85 ° C

Working temperature: -20 ° C~+50 ° C

Working humidity: ≤ 90% (no condensation)

Protection: overvoltage, undervoltage, overcurrent, overheating, short circuit

Heat dissipation method: forced air cooling

Note: Customization is supported