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Help CenterWide High Voltage Input Range Solar Charger for Solar Pumping System
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Wide High Voltage Input Range Solar Charger for Solar Pumping System
1.Features of High Voltage Solar Charger:
1).Can work as one separate off-grid power generation system;
2).Max. utilization of PV module energy;
3).High-voltage input with wide range, isolated design, safe and reliable.
4).12V battery, 15A / 25A charging current selectable;
5). Excellent power management, over-voltage and current-limit protection function;
6).Integrated switch, wall-mounting, easy operation.
2.Technical specifications:
| Model | JNC12H | |
| DC Input | ||
| Voc | 880Vdc | |
| Vmp range | 450~850Vdc | |
| Max. input current | 2A | |
| Number of string | 1 | |
| DC Output | ||
| Battery rated voltage | 12Vdc | |
| Max. charging current | 15A | 25A |
| Charge model | 3 stages | |
| Mechanical Parameters | ||
| Size | 450/240/152(mm) | |
| Weight | 4.5Kg | |
| System | ||
| Efficiency | 80% | |
| Protection level | IP20 | |
| Operating temp. | -10~50(℃) | |
| Cooling way | Force cooling | |
| Display | LED | |
| Noise emission | <30dB | |
| Altitude | <2000m | |
3.The application of high voltage solar charge improves the utilization rate of PV modules in Solar Pumping System.
Because of Solar pumping system's special features, part of PV module energy is wasted during favorable light intensity like Dawn, Noon and Dusk.
Shown as the shadow area as below:
The grey part energy is wasted
1).When at dawn and dusk, the solar pump inverter output frequency is lower than Stop frequency,the output power of PV array is too weak to pump water;
2).At noon, the Inverter reaches the max. output frequency,part of energy cannot be used;
Charger helps to stores the extra energy shown as shadow area in battery for other usage. It significantly increases the PV module utilization.
Through Y type PV connector, High voltage solar charger and solar pump inverter are connected to PV Array at the same time. When Charger and Inverter’s input voltage are equal, the energy shown as Fig. 2-1’s shadow area will auto be stored to battery, user can use the energy of the battery power accordingly.
As Charger’s charging performance is auto. controlled by input energy, and if user demand all of energy be used to run the pump, just turn off Charger’s input side switch.
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