Rooftop Off Grid Solar Power Systems
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
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Solar System Type
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AC Off Grid System |
Backup time
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3 days |
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Daily power consumption
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12KWH-15KWH |
System Voltage
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96V DC |
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Inverter
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Pure sine wave 4KVA |
Solar Panels | 4000W |
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Battery
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96V600AH |
Controller
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DC 96V/40A |
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Distribution Box
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with inverter and controller in |
Battery Rack
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with all batteries in |
Off Grid Complete Kit with 4KW PV Solar Panel, 4KVA Inverter and 96V Controller
1> Quick Details
- Place of Origin: China
- Brand Name: ZOCEN
- Model: ZCOG-4KW
- AC/DC solar power system
- Solar panel: 138.4V/4000W
- Battery: 96V/600AH AGM battery
- Controller: 96V/40A
- Output: 110~240V AC
2> Description:
- What is “OFF- GRID”?
Off-grid solar power stores DC electricity in batteries. The addition of an inverter allows this system to convert DC electrical current coming from the batteries into AC or alternating current. AC is the standard form of electricity for anything that “plugs in” to utility power and is the appropriate current for common household appliances.
- Advantages of Off-Grid Solar Systems.
- No access to the utility grid: Off-grid solar systems can be cheaper than extending power lines in certain remote areas.
- Become energy self-sufficient: Living off the grid and being self-sufficient feels good. For some people, this feeling is worth more than saving money. Energy self-sufficiency is also a form of security. Power failures on the utility grid do not affect off-grid solar systems
3> Equipment for Off-Grid Solar Systems
Typical off-grid solar systems require the following extra components:
- Solar Charge Controller
Solar charge controllers are also known as charge regulators or just battery regulators. The last term is probably the best to describe what this device actually does: Solar battery chargers limit the rate of current being delivered to the battery bank and protect the batteries from overcharging.
Good charge controllers are crucial for keeping the batteries healthy, which ensures the lifetime of a battery bank is maximized. If you have a battery-based inverter, chances are that the charge controller is integrated.
- Battery Bank
Without a battery bank (or a generator) it’ll be lights out by sunset. A battery bank is essentially a group of batteries wired together.
- DC Disconnect Switch
AC and DC safety disconnects are required for all solar systems. For off-grid solar systems, one additional DC disconnect is installed between the battery bank and the off-grid inverter. It is used to switch off the current flowing between these components. This is important for maintenance, troubleshooting and protection against electrical fires.
- Off-Grid Inverter
You will need an inverter to convert DC to AC for all other electrical appliances.
Off-grid inverters do not have to match phase with the utility sine wave as opposed to grid-tie inverters. Electrical current flows from the solar panels through the solar charge controller and the bank battery bank before it is finally converted into AC by the off-grid-inverter.
4> Application:
- Lamps/TV/Fans/Video/Charger/MP3/MP4/Audio/PSP
- Computer/Printer/Copier/Scanner/Screen//Fax
- Microwave/fridge freezer/refrigerator/Coffee machine/Washing machine/Baker/Juice machine
- Air conditioner/Water pump, etc
5> Technical data
| Item No | ZCOG-4KW | |
| Capacity | 4KVA | |
| System voltage | 96VDC | |
| Best output power everyday | Solar Radiation(kWh/m2/d): | 118000WH |
| Solar Radiation(kWh/m2/d): 5 | 15000WH | |
| Solar Radiation(kWh/m2/d): 6 | 18000WH | |
| Inverter | Output wave | Pure sine wave |
| Output voltage | AC110/220V | |
| Output frequency | 50/60HZ | |
| Capacity | 4000VA | |
| Precision of output voltage | ±3% | |
| Precision of output frequency | ±0.1% | |
| False output wave of AC | <3% | |
| Overload ability | 120%, 60 seconds | |
| Invert efficiency | >85% | |
| Solar Panel | Pmax | 4000 |
| Vmp | 138.4 | |
| Imp | 28.92A | |
| Unit Size(L*W*H mm) | 1640*992*40 | |
