Solar Energy System

Yueqing Sandi Electric Co.,Ltd is one of the leading China solar energy system manufacturers,Website:http://www.cnsandi.com, welcome to wholesale cheap solar energy system from our professional factory.solar energy systemIntroductionSolar energy system It can be applied to the villa, household, tourist resorts, prairie areas, remote mountain village, no power supply areas, farms, villages, island, highway and any regions to generate electricity. It can load household appliances like TV, Air Conditioner, refrigerator, lighting, washing machine, etc.Application1.3KW-250KW off-grid system2.Can design solar system according to your requirement and your local solar condition,used for house,office,factory,farm,water pump,lighting.etc.  3.Our company have produced solar inverter, solar controller and PV combiner box for many years, With reliable quality and very competitive prices, we have exported products to USA, South America, Europe, India and Southeast Asia,and gotten good feedback from our overseas customers. Our products from raw materials to finished products every process, every aspect of all strictly by professionals in order to ensure product quality. Also we can provide the certificate to ensure the quality of our productions, mainly CE, IEC, TUV ISO.Solar panelsFeatures:1)High reliability with guaranteed +/-3% output power tolerance2)The modules can withstand high wind-pressure, snow loads and extreme temperatures3)Bypass diodes to minimize power loss with shading4)High and stable conversion efficiency to ensure the highest qualityQuality and Safety:Industry leading power output warranty, 25 year 80%, 10 year 90% power warrantyand 5-year power warranty of materials and workmanshipCE, TUV, ETL, ISO9001:2008 (Quality Management system) certified factory Product Quality warranty & products Liability Insurance to guarantee and user' benefits.PV Combiner box with lightning protectionFeatures:Applicable for outdoor PV systems;Each PV array attached to DC fuse protection and anti-reverse protection optional;Wide DC voltage input range with maximum open-circuit voltage up to 1000V;High voltage lightning protection (SPD) special for PV;PG Cable glands input, convenient and safe system wiring;PV special high voltage circuit breaker control output;Protection class IP65 for outdoor use;Output Waterproof terminals;Solar charge controller1) Adopt PWM multistep sequential limiting current charge method, auto control multiple solar array connection or shut off orderly according to the battery group voltage change tendency.2) Adopt multiple-circuit charging-control circuit and individual killer switch on each circuit.3) With auto protection function of over charge, electronic short circuit, anti-reverse protection. Prevent the battery group reverse charging to the solar panel array at night.4) LCD screen shows the working status of solar panels, battery and controller. ( the voltage, current, power of solar energy panel and battery)5) Power switch driving circuit is completely isolated from sampling circuit. The control signals is transmitted by opto isolation, with super-high disturbence rejection and stability.6) Power switch driving circuit is completely isolated from sampling circuit. The control signals is transmitted by opto isolation, with super-high disturbence rejection and stability.7) There are lightning protection device inside the controller. Limit instantaneous overvoltage which entered into solar panels under a level which the system can withstand; or unload the strong lightning current to the ground. To protect the equipment from lightning surge.8) Adopts the industrial-grade chips for all control, which can work under the cold, hot, humid conditions.GEL battery:GEL battery is mainly made up of positive and negative plates, special diaphragm, deep electrolyte, battery shell and security valve and so on. Through colloid technology, the electrolyte is fixed in solid state in battery. The advanced AGM battery had greatly improved the cycling performance (cycling increased 80%) by adopting the unique grid alloy and the high-density lead paste formula The Deep Cycle series are specially designed for applying in solar energy photovoltaic power system.Off Grid Solar InverterTechnical Features:1,Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. Customers can set start mode according to the nature of their load.2,The output frequency can be set, this function is very convenient for customer.3,The output voltage can be set between +20 % to -40 % of rated voltage. It’s a great convenience to users.4,The DC input voltage range can also be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be set via the LCD panel. Convenient for increasing or reducing the quantity of batteries, photovoltaic modules also can be used flexibly.5,Pure sine wave output. with good transient response less than 40MS, little harmonic distortion, higher conversion efficiency and stable output voltage.6,Powerful data display and fault instruction function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display.7,Using the fifth generation efficient IPM intelligent module from Japanese Mitsubishi, high efficiency and stable performance. It with powerful protection function, the protection for short circuit, over load, over temperature is more safe and reliable. It’s service life can up to 15 years or more.8,Wide input voltage can be set according to customer’s requirement. Input voltage range can be selected from 100-500V or 200-850V.9,Product have passed the European CE (EMC and LVD) certificated and accredited by Australia CEC energy network.



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