300Watt / 500Watt off grid Micro Grid Tie Inverter with Islanding Protection and APL

 
High conversion rate micro inverters off grid with Islanding Protection and APL
 
 
 
 
System Function:
 
Constant Current, Constant Power:
This product is constant current, constant output power, without any overload, over-current phenomenon
 
Automatically Shut Down When The Power Output Of a Fault:
When the city power system is in failure, the inverter will automatically turn off the output
 
Current Limit Protection
Current limit
 
Stack Multiple Machines:
Multiple small power inverters in parallel can achieve large output power
 
High-Frequency High Conversion Rate:
Adapt high frequency converter, the output more efficient
 
Power Automatically Locked (APL):
In different current fluctuations, we should use the MPPT function. When the MPPT function adjusted to the maximum power point, the product automatically powers locked in maximum power point, then made the output power more stable.
 
Maximum Power Point Tracking (MPPT):
Because the current intensity and the voltage changes at any time, if there is no power point tracking, there will be a lot of problems. In the past time, usually adopt a solar controller, but this product uses high-precision     MPPT operation power, automatic and immediate adjust the solar panels output power at the maximum output point, then achieve a stable output purposes.MPPT is for short of "Maximum Power Point Tracking". It means the controller can sense the voltage of the solar panels on time, and can track the highest voltage and current (VI).Then made the inverter discharge to power grid with the highest efficiency.
The peak voltage (Vpp) of the solar panels is about 19.5V when it in factory. And the environment temperature is 25 ° C. The reason of setting this temperature(interestingly, different from the subjective imagination, we ordinary people the conclusion may let us surprised) is that when the weather is very hot, solar panels’ peak voltage will fall to about 17.5 V while in cold weather, the peak voltage can achieve 20.8 V
 
Product Parameters/Details:
 

SVI Grid-series models	300Watt	500Watt
Recommend use solar panels	400Wp	600Wp
DC MAX input current	20A	40A
AC MAX output power	300Watt	500Watt
DCMAX Open-circuit input-voltage	50VDC
DC input voltage range	22~50VDC
MAX output power factor	0.99
DC input Reverse voltage protection	FUSE
AC output voltage range	(120V versions:90~140VAC)(230V versions:180~260VAC)
AC frequency range	45-53Hz/55-63Hz
THDI	<5%
AC Phase	<0.5%
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