SAND AC/DC Charger is specially developed for DC chargers module. It has high efficiency, high power factor, high power density, high reliability advantage. AC input 3 phase or single phase, DC output voltage range from 50 to 750VDC can be set, compliant with CE safety requirements, EMC standard EN61000-6-3 and EN61000-6-1 Class A, it is an advanced international level charger module.
Unique function：
High efficiency over the full load range, full load efficiency greater than 95.5%
Wide output voltage range, 50-750VDC, suitable for a wide range of Lithium and lead acid battery
5-inch LCD touch screen, easy to operate
Flexible application, charging voltage, charging current, charging time, timing charging can be set by LCD screen, easy to operate
Main features：
Powerful protection, overheating, short circuit, overload, overvoltage, undervoltage, etc.
Three phase active power factor correction technology, reduces the harmonic interference to the grid
Dual DSP design, achieve the full digital control, less components means high reliability
Wide input voltage range, allows operation in most poor grid conditions
Soft start charging and soft shutdown minimize the impact on the battery.
Input, output have protective circuit breaker switch
Module adopts hot pluggable design, which is convenient for maintenance.
CAN/RS485 interface
Product Parameters (3 PHASE INPUT)
Model
SD75050G
AC input
Input system
Three phases + PE
Voltage range
320 Vac ~ 450Vac
Rated voltage
380Vac
Frequency range
50Hz/60Hz
Maximum current
32A
DC output
Voltage range
50Vdc ~ 750Vdc
Output power
20KW@ Voltage 400VDC
Output DC current (A)
1~50A(can set)
Current range
10 ~ 300A (customizable)
Rated current
50A@400V (required for setting of current limiting point,750V is 26.67A)
Steady voltage precision
<±0.5%
Steady current precision
≤±1% (rated range of 20% ~ 100% for output load)
Load regulation rate
≤±0.5%
Startup overshoot
≤±3%
Peak-to-peak value noise
≤1% (50~750V, 0~20MHz)
Power factor and THD
Power factor
≥0.95 Full-load output power of @20%~50%
≥0.98 Full-load output power of @50%~100%
≥0.99 Full-load output power, input nominal voltage and frequency of @100%
THD
≤5% Full-load output power of @50%~100%
Protection function
input overvoltage Protection
Over Under Voltage automatic shutdown and restart when voltage return normal
Output overvoltage protection
Over Under Voltage automatic shutdown and restart when voltage return normal
Over-temperature protection
Automatic shutdown. Automatic restart when the temperature return to normal
Short circuit protection
Automatic shutdown and lock, need power off to restart to unlock
Efficiency
Under Rated input voltage
≥95.2％, @750V，50％～100％
Application place
Indoor (IP20)
Environmental conditions
Operation temperature
-40°C ~ +75°C, derating is require when the temperature is above 55°C.
Storage temperature
-40°C ~ +70°C
Relative humidity
≤95%RH, without condensation
Cooling mode
Forced air cooling
Noise
≤65dB(A) (1maway)
Altitude
2,000 m a.s.l., derating is require when the altitude is above 2,000 m a.s.l.
