7.5KW Solar Energy System

7.5KW Solar Energy System from Yunnan Yaochuang Energy Development Co.,ltd

By: Yunnan Yaochuang Energy Development Co.,ltd  12/25/2014
Keywords: Solar Power Generators, solar energy generators

 

1.solar modules.   

The solar modules is made of high efficiency solar cell, which is made by the international advanced equipment from Germany ,Italy and USA, The efficiency of solar cell can reach 18 %,the assemble materail with low-ironglass named EVA and, TPT is from SPIRE company, USA. Because the glass is high transmissibility and mechanical intension, backboard is good airproof, the maximum service life can reach 25 years ,the pole cable adopt the ormolu cincture, which ensure the low resistance, when high current pass. It is good for power output.

2.off-grid Inverter

The off-grid inverter is specially dessgued for new energy generating system, with all advantages of conventional inverters. it is applicable in mouhtainous pastoral area, border and islands, ect. lack of electricity and transportation. owing to its reliability, if especially. saver time and st of maintenance.

3.solar charge controller

Solar charge controller is one of the most important components in the solar powergeneration system. It will affect the service life of the system directly, especially the battery’s. In any case, overcharging or over discharging to the battery will shorten its service life.

4.Solar battery

a. Design service life: Floating life service 5 years ( at normal usage and full charged , 25 ),Deep cycle life service 1200 times ( 80% deep discharge and charge fully in 25 )

b. Charge acceptance ability After discharge at 100% depth , charge for 10 hours at constant voltage of 14.1V/cell and limited current of 0.15C10 ( A ) , then , the power charged is more than 98% of power discharged . Recombination efficiency greater than 99%

c. Capacity remain The capacity will remain more than 90% after storage for 90 days in no use condition.

5.PV array combiner box:   

For large scale PV systems, a DC combining device will be installed in between the PV arrays and the solar controller to increase the reliability and stability, and also for the ease of maintenance. Based on the DC input voltage range of the inverter, a quantity of the same PV strings can be connected to form a PV array. Then different PV arrays can input into the PV array combiner box, which including lightning protection devices and circuit breakers, to output a DC current for the solar controller connection.  

6.Monitoring system(optional)

Features:

? system operating parameters displayed in detail

? Fault recording and auto-alerting system

? Cumulative power recording function with historical data and system analysis capability

? User-friendly parameters setting design                

Read more

Keywords: solar energy generators, Solar Power Generators,

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