Product specification of DC source panel
DC source panel with touch screen、Intelligent self-cooled high-frequency switching power supply module and Valve controlled sealed lead-acid battery ,adopt SIEMENS PLC、RS485 communication port BODBUS as The central control unit and communication protocol .MITBF : ≥105hour
Indicate: The batteries’ capacity is 100Ah, voltage grade is 220V, adopts N+1 charge module, 18 valve regulated sealed lead-acid batteries form the high frequency switch DC power board.
AC input voltage | 380V±20%V 50±10%HZthree-phase four-wire |
Rated of DC output voltage | 48V、110V、220V |
Battery capacity | 20Ah~3000Ah |
Types of batteries | Valve controlled sealed lead-acid battery Nickel-cadmium batteries |
Rated current of DC output for controlling bus | 10A~300A |
Failure load | 20A~1000A |
Accuracy for stable current | ≤±0.5% |
Accuracy for stable current | ≤±0.5% |
Ripple accuracy | ≤0.5% |
Efficiency | ≥92% |
Power factor | ≥0.92 |
Current unbalance | ≤±3% |
Insulation resistance | the primary to earth is higher than 10MΩ; the secondary to earth is higher than 2MΩ |
insulation strength | alternative current 50HZ 2000V 1 minute |
Noise heard | ≤45dB |
MTBF | ≥105小时 |
Size of one Panel | 2260H×800W×600D |
Explanation: Technical indicators and other function can be made in order.
4.1、Function of control and protection
1、Automatic controlling protectiong for over voltage,lower voltage and phase lack of two AC inputs
2、Softly starting control for analogue interface of charging module
3、Accurate control of charging module of output voltage and current, controlling accuracy is 32 digits
4、Automatic control for the whole process of battery’s forceful charge, equalizing charge and float charge
5、Automatic compensation for charging parameter in terms of two V-T curves of forceful charge and equalizing charge
6、Automatic compensation for equalizing charge parameter in terms of drop value of equalizing charge plus time control
7、Charging current limitation for batteries and output of charging modules
8、Automatic adjust the voltage of controlling bus
9、Time control of battery activation
10、Breakdown protection of charging module
11、Breakdown protection of automatic adjust bus voltage set
12、Protection for electricity leak
13、Storage and printing for historical data
4.2、Inspective function
1、Automatic inspection for three-phase AC voltage, phase lack, over-voltage and lower-voltage
2、Automatic inspection for output current and voltage of charging module
3、Automatic inspection for current and voltage of controlling bus
4、Automatic inspection for current and voltage of battery set
5、Automatic inspection for single batteries voltage
6、Automatic inspection for leak current between earth and bus
7、Automatic inspection for insulation of feed out circuits
8、Automatic inspection for battery temperature
4.3、Display function
Touch screen displays dynamic process and static data using push button, indicator, meter, word, data, and several type of simulative diagram such as bar figure and status figure by multi-picture switchover on large scale of screen.
1、Display type of DC board, specification, nameplate, manufacturer, address, telephone and operation method
2、Simulative display of systematic principle drawing and circuit’s dynamic change after contactor’s on/off.
3、Simulative display of status change of charging and discharging process.
4、Measure items displayed: three-phase AC voltage, output voltage and current of charging module, battery voltage and current, single battery voltage, voltage and current of controlling bus, bus insulative resistance value, battery temperature discharging capacity and setting time.
5、Alarm display for AC phase lack, AC failure and over limit of voltage and current.
6、Inquiry of historical data
4.4、Alarm function
1、Alarm for poor insulation of bus;
2、Alarm for poor insulation of feed out circuits;
3、Alarm for abnormal single battery;
4、Over limit alarm for voltage and current of controlling bus;
5、Over limit alarm for output voltage and current of module;
6、Alarm for over voltage and lower voltage of three phases;
7、Alarm for the temperature is too high;
8、Alarm for charging module failure。
4.5、Communication function
RS485 standard communication interface, MODBUS communication protocol。
4.6、Function of storage and printing
Picture capacity is 256;storage of historical data is 3712K,with calendar and printing interface.