u With two loops of auto-switchover AC power, it has a wide voltage range and great adaptability, well guaranteeing the normal operation of the system.   

u It can select several charging module to reach the optimum cost-performance ratio;

u It guarantees a high reliability with the adoption of HF switching power, modularized design, N+1 hot standby and high reliability;

u With the adoption of natural-cooling charging module, it has high reliability;  

u The output voltage and current can be smoothly regulated, which ensures the system reliability;

u The live hot-plug makes the maintenance easy and quick;

u The diverse multi-level structure makes the monitoring system simple and reliable;

u The monitoring system can select LCD, touch screen, and color touch screen as HMI, to realize the large screen display, friendly interface and easy operation;

u Automatically conduct the accurate management to the battery voltage, the charging and discharging current and the battery temperature compensation, and have the over/under voltage alarm, over temperature alarm and fault alarm, so as to ensure the battery operating in the optimum status and lengthen the service life of the battery;

u    Be provided with functions as the manual and auto voltage regulation, insulation inspection and battery inspection;

u Be applicable for the “unattended operation” design for it adopts different communication interfaces like RS232, RS485 and Ethernet, supports several communication protocols and has complete remote operation functions (remote measuring, remote control, remote signaling and remote debugging);  

u The 2-level anti-lightning design and great insulation protection measures can well protect the system devices and the personnel;

u With the diverse and flexible system schemes, it can provide the overall solution; 。

1. Main technical index

u Rated input voltage : 3-phase and 4-wire AC 323~475%, frequency 50/60Hz±10%;  

u Rated output DC voltage: 48V, 110V, 220V;  

u Rated output current: 10A～400A;  

u Rated capacity of battery: 65Ah～3000 Ah;  

u Noise of the whole machine: <55dB;

u Accuracy of steady voltage: ≤±0.5%;

u Accuracy of steady current: ≤±0.5%;

u Ripple factor: ≤0.1%;

u Unequal fluidity of paralleling machine: ≤5%;

u Power factor: ≥0.98;  

u Protection level: IP20;  

2. Main functions

u Supply DC power with the rated capacity

u Charging and discharging function of battery

u Manual and auto voltage stabilizing function for output DC voltage;

u DC grounding and insulation monitoring function;

u Grounding monitoring function for DC feeder;

u Battery with automatic inspection and measuring function;

u Monitoring and measuring;

u Communication and RTU function;

u Graphic displaying function ;

u Completed remote operation function (remote measuring, remote control, remote signaling and remote debugging);