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BZA Series Inverter battery charger is developed specially by Zhejiang Bangzhao Electric Co.,Ltd for DC battery system charging


Category | Name | Parameter | |
Model | BZA220D20AZZ | ||
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 | ||
Altitude | 2,000 m a.s.l., derating is require when the altitude is above 2,000 m a.s.l. | ||
Atmospheric pressure | 79 kPa ~ 106 kPa | ||
AC input | Input system | Single phases L/N+ PE | |
Voltage range | 90 Vac ~ 280 Vac | ||
The maximum static voltage borne under no operation | 300 Vac | ||
Rated voltage | 220 Vac | ||
Maximum current | 20A | ||
Grid frequency | 45 Hz~ 65 Hz | ||
Rated frequency | 50Hz/60Hz | ||
DC output | Voltage range | 50 Vdc ~ 750Vdc | |
Current range | 0 ~ 25A*3 (current limiting point is settable) | ||
Rated current | 0-20A *3(required for setting of current limiting point) | ||
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% (200~750V, 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% | ||
Efficiency | Under Rated input voltage | ≥94.5%, @750V, 50%~100% load current, under rated input voltage | |
Current sharing | In case of load of 10%~100%, the module current sharing error ≤ rated output current of ±5%. | ||
Noise | ≤65dB(1m away,ambient temperature is 25℃, under rated input voltage and output is750V-60A | ||
Startup duration (select the startup mode through the monitoring module) | Normal startup mode: the time delay from AC power-on to module output is ≤ 8s. | ||
Output delayed startup: The startup duration can be set through the monitoring module, with default output startup duration of 3~8s. | |||
Earthing resistance | Earthing resistance ≤ 0.1Ω, bearable current ≥ 25A | ||
Lighting protection | 6kV/3kA (1.2/50μs impulse voltage and 8/20μs impulse current mixed wave) | ||
Insulation resistance | The insulation resistance of DC part and AC part to housing and the AC part to the DC part shall be ≥ 10MΩ. | ||
Insulation strength | Within the 1 min of the AC input terminal to the CAN side 4242V DC voltage, there is no breakdown and flashover and the steady leakage current is less than 1mA; Within the 1 min of the AC input terminal to the enclosure 2121V DC voltage, there is no breakdown and flashover and the steady leakage current is less than 1mA; Within the 1 min of the AC input terminal to the DC output terminal 2121V DC voltage, there is no breakdown and flashover and the steady leakage current is less than 1mA; Within the 1 min of the DC output terminal to the enclosure 2121V DC voltage, there is no breakdown and flashover and the steady leakage current is less than 1mA; Within the 1 min of the DC output terminal to the CAN side 4242V DC voltage, there is no breakdown and flashover and the steady leakage current is less than 1mA; Within the 1 min of the CAN to the enclosure 707V DC voltage, there is no breakdown and flashover and the steady leakage current is less than 1mA. | ||



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