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| Solar Power System |
Shanhai Solar Power System
1、Introduction
Solar power system derived from the solar panels, batteries, inverter and solar charged controller, which not only could be supplied directly to DC 12V, DC24V and DC48V, but also AC220V and AC380V.
Every part’s function is introduced simply as bellow.
1.1.Solar panels.
The function of solar panels is, DC power be transformed from solar radiation energy, which be able to supply for load using or be storage in batteries for reserve. General speaking, the solar module are connected form some solar cells in a certain way and equip up with suitable brackets and connection box according to customers’ requirements.
1.2. Charge controller
The charge controller mainly derived from special processor CPU, electronic components, display and switch power tubes. In the whole solar power system, the basic function of controller is supply the topgallant current and voltage for battery by quick, stable and high efficiency. Also be able to reduce batteries’ damage and to prolong its working life. At the same time, in order to protect the batteries that so should avoid it be overcharged and over discharged. Meanwhile, it’s recording different important data from display system, such as charged current and voltage, etc.
1.3. Inverter
The function of inverter is converting low DC power into AC 220V or AC 380V through solar module and solar batteries, which be used for AC load.
1.4. Battery
It can be stored the DC power from solar module for load using. That’s a discharged situation in PV system. The solar module not only can be charged into battery by daylight but also be supplied for load using in evening. So it’s not high requirement in the automatic discharge of battery but charged efficiency, also the price, convenient use and other factor would be considered.
2、The excellent character of Shanhai solar power system
1、100% of reliability power supply, can be suited for different weather condition.
2、The automatic control for equipment operation, can be realized the unattended and remote monitoring.
3、It’s easily manage and conveniently maintained, also the operation cast is low.
4、Main parts’ working life is more over 20 years.
5、it’s long-term benefit by first investment.
3、Design principle
It’s necessary to cooperate with customers and professional solar company together in design of solar power system. Firstly, customers provide the application of requirements, for example:
1、Voltage and current.
2、Working time of every day and support time in raining day.
3、On-grid or off-grid.
4、The application system area and weather data.
5、It’s necessary to provide the equipment’s name, specification and technical parameter if electricity be supplied for them.
Taking system’s configuring and counting into consider after getting customer’s using requirement, also discussing with customers about the detailed information and referring considered suggestion for the system in the whole project process.
Designing the solar power system that basic the tenet of economical and practical, reducing the investment as possible, choosing high-quality products in key parts of system, which be able to prolong system’s working life and increasing its stability and reducing its failure rate cause the cost of solar power system’s investment is higher.
4、The problems would be considered in designing of solar power system.
1、Where the solar power system be installed? What about the situation of sunlight radiation on there?
2、How about the load power?
3、How about the load voltage, DC or AC?
4、How long the load be worked require every day
5、How many days the system would be supplied continuously if the weather is raining and without sunlight radiation?
6、What about the starting current and the situation of load, which is pure resistive, capacitive character or inductive?
7、what about the quantity of system requirements?
8、How about the condition and environmental of system installation site?
9、What about the investment scale be undertook to customers?
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