off grid solar system 3kw

 off grid solar power system 3kw        Product Description   SOALR SYSTEM CONFIGURATION  

PRODUCTION NAME	Solar panel	Battery	Controler	Inverter
SPECIFICATIONS	250w 24v	12v250AH	48v60A	4 KW
QUALITY	12	4	1	1
MAIN FEATURE
1.FOR three rainy ,cloudy days
2.Systems include: solar panels, controller, inverter, stenting, cable, accumulator
3.short-circuit protection. Overload,reverse protection,
4.Sunshine condition:sunshine 10 hours a day, effectively peak sunshine 5hours a day
5. environment: -45 ℃ +65 ℃

PRODUCT DESCRIPTION	SPECIFICATIONS	QUALITY		SUPPLIER	PARAMETERS	LIFE SPAN(YEARS)	WARRANTY(YEAR)
Solar panle	12v250w	12		Sopray		12years 90% 25years 80%	10
Controller	48v60A	1		Sopray	short-circuit protection,reverse protection,overloadSOC	10	1
Inverter	4 KW	1		Sopray	high than 90%	10	1
Battery	12v250AH	4		Sopray	maintenance-free  lead-acid batteries,  deep release 600 times.	5	1
Accessories	660			structure of solar panel , cable		20-25	1

Our Services   We can supply energy product include: 1) off grid solar power system 300w-100kw 2) off grid wind power system 300w-50kw 3) off grid solar wind hybrid power system 300w-100kw 4) on grid solar power system 200w-100kw 5) portable solar power system 100w-1500w 6) on off grid hybrid solar power system 3kw 7) grid tie micro inverter solar/wind system 200w-1000w   off grid and on grid difference: off grid: include battery , solar panel prodce DC voltage pass controller charge battery and pass inverter supply load use. When no solar panel electricity , will battery supply load use When have a little solar panel electricity , will solar panel and battery together supply load use When no solar panel and battery electricity , will automatic switch city grid supply load use and charge battery.   Air condition and refrigerator is inductive load , small air condition the power about is 700-800w , we have test our 1kw solar system can run air condition or about 300w refrigerator.   The off grid solar power system work mode: Solar panel produce DC voltage and electricity pass controller output rated voltage change battery and supply load use. When no solar panel electricity , will battery supply load use When have a little solar panel , will solar panel and battery together supply load use When no solar panel and battery electricity , the inverter will automatic switch city grid charge battery and supply load use   off grid solar power system complete parts include: 1) Solar panel Mono or Poly normal is 200w 250w optional (Mono efficiency have 18%-20% , Poly have 15%-17.5%) 2) PV combiner (lighting protection and combiner solar panel in parallel connect. late output 2string connect to hybrid inverter) 3) off grid solar hybrid inverter ( inverter with controller , built in MPPT controller,Battery preferred mode or City grid predrred, automatic switch city grid and battery mode) 4) Battery normal is: 12v/100AH or 200AH , Lead acid or Gel batter optional) 5) Panel rack , install can slope roof or flat roof or ground optional (aluminium alloy or stainless steel or galvanized iron optional) 6) Cable: include PV combiner cable , battery connect cable, MC4 , battery terminal Working Principle for On-grid & Off-grid
class A+ solar panel 1. 3.2mm tempered glass 2. Anti-aging junction box 3. High strength aluminum frame 4. Class A+ Mono&Poly crystalline silicon with latest technology   high efficient off-grid & on-grid inverter 1. Micro-processor controlled, automatic. 2. Pure sinewave output suitable for most applications. 3. Green function for power saving. 4. Big surge rating can support Air Conditioning system. 5. Full protection inbuilt.6. Selectable battery type. 7. Ambient temperature up to 50 degree C support 8. Inductive motor load support   MPPT controller 1. Using MCU and special software, based on the special software of the expert  control system, realizes the intelligent optimization.SOC control. 2. The temperature compensation adopt external temperature sensor, the control  accuracy is higher than the internal temperature sensor.  3. Have the overcharge, discharge, electronic short-circuit, overload protection,  unique counter-attack joint protection automatic control. 4. Adopt the tandem PWM for charging main circuit,make the charging loop voltage  is reduce nearly half than use the diode charging circuit.Higher efficiency. 5. The intuitive LED iuminotron indicates the current battery status, allow users to  understand the situation of use. lead-acid battery with 2 years warranty 1. No electrolyte leakage, battery swelling and cracking under normal use 2. With smooth discharging voltage and mild discharging platform 3. No leakage,swelling or cracking problem after one hour vibration 4. No leakage,swelling or cracking problem after 3 times of dropping. 5. Good resistance to overcharge&overdischarge 6. Good resistance to high current      If you are intrested, please send us "inquiry" now!                                     My skype srsolar04 or QQ2851363696 chatting online.