build yourself solar system with micro inverters

Hoymiles 400W Micro Inverter for On Grid Solar System

This system is composed of a group of microinverters that convert direct current (DC) into alternating

current (AC) and feed it into the public grid. The system is designed for the incorporation of one

microinverter per two PV modules. Each microinverter works independently and guarantees the

maximum power generation of each PV module. This setup enables the user to directly control the

production of a single PV module, consequently improving the flexibility and reliability of the system

Brand:
FOTOVO
Item NO.:
HM-400W
Order(MOQ):
1 PC
Payment:
T/T, L/C, Paypal, Western Union
Price Range:1001 - 5000/$148
Price Range:1 - 1000/$158
Product Origin:
China
Shipping Port:
SHANGHAI/NINGBO
Lead Time：
20 days
Certificate:
TUV,UL,IEC,CE,SGS
Warranty:
10years/25years(optional)

Product Detail

HM 400W micro inverter

Product Details

Low cost $watt micro inverter
Single microinverter connects one PV modules with individual MPPT
High continuos output power up to 400Wac, recommended for dua max 450W solar panel
Globaly certified for UL1741,SAA,TUV, VDE-AR-N 4105, VDE0126,G83/2,CEL 021,IEC61727,EN50438
Peak output power up to 400W; Adapted to 60 & 72 cells PV panels
Peak efficiency 96.70%; CEC weighted efficiency 95.50%
Static MPPT efficiency 99.80%; Dynamic MPPT efficiency 99.76% in overcast weather
High reliability; NEMA6 (IP67) enclosure; 6000V surge protection
Integrated monitoring and power line communicationwith RDG-256 gateway,built-in WiFi
Integrated grounding for easy installation

Solar System Wiring Diagram

How to Apply Microinverter in an AC-Coupled Solar Battery System?

① AC-coupled solar battery system as shown , is the connection of a battery energy storage system to a solar system via AC (alternating current) electricity.

② Energy from a solar system is generated in the form of DC (direct current) electricity which is then turned into AC by the solar microinverters.

③ A battery bi-directional / multimode inverter connected to the same electrical network via AC then converts any spare energy not used by the home back into DC so it can be stored in a battery.

The AC-coupled solar battery system is more complicated than the traditional grid-tied PV inverter system. But this kind of system can even work when grid outage or the system is the type of off grid.

For now, more and more manufacturers have launched AC-coupled solar battery system. Some of these solutions are integrated PV inverters, which others require the installers to select the grid-tied PV inverters to integrate with their battery system.

Technical Parameter

	Model	HM-300	HM-350	HM-400
DC Input	Commonly used module power (W)	Up to 380 (single panel)	Up to 440 (single panel)	Up to 500 (single panel)
	Peak power MPPT voltage range (V)	29–48	33–48	34–48
	Start-up voltage (V)	22
	Operating voltage range (V)	16-60
	Maximum input voltage (V)	60
	Maximum input current (A)	11.5	11.5	12.5
	Maximum input short-circuit current (A)	15
	Maximum backfeed current to array (A)	0
	Number of MPPTs	1
	Number of inputs per MPPT	1
AC Output	Rated output power (VA)	300	350	400
	Rated output current (A)	1.36@220 V 1.30@230 V 1.25@240 V	1.59@220 V 1.52@230 V 1.46@240 V	1.82@220 V 1.74@230 V 1.67@240 V
	Nominal output voltage/range (V)	220/180–275 230/180–275 240/180–275
	Nominal frequency/range (Hz)	45–55 (under 50 Hz @ 220 V & 230 V) 55–65 (under 60 Hz @ 220 V & 230 V)
	Power factor	> 0.99 default 0.8 leading…0.8 lagging
	Output current harmonic distortion	< 3%
	Maximum units per branch	16@220 V 16@230 V 16@240 V	14@220 V 14@230 V 14@240 V	12@220 V 12@230 V 12@240 V
Efficiency, Safety and Protection	Peak microinverter efficiency	96.70%
	CEC weighted efficiency	96.50%
	Nominal MPPT efficiency	99.80%
	Night time power consumption (mW)	< 50
Mechanical Data	Ambient temperature range (°C)	-40 to +65
	Storage temperature range (°C)	-40 to +85
	Dimensions (W × H × D mm)	182 × 164 × 29.5
	Weight (kg)	1.98
	Enclosure rating	Outdoor NEMA 6 (IP67)
	Cooling	Natural convection (no fans)
	Pollution degree	PD3
Features	Topology	High-Frequency Transformers
	Communication	2.4 GHz Proprietary RF (Nordic)
	Monitoring	Hoymiles Monitoring System (Hoymiles DTU is required)
	Warranty	12 years standard, 25 years optional
	Compliance	VDE-AR-N 4105:2018, EN 50549-1:2019, VFR2019, AS 4777.2:2015, IEC/EN 62109-1/-2, IEC/EN 61000-3-2/-3, IEC/EN-61000-6-1/-2/-3/-4

Microinverter Advantages

1.Safer:The solar panels are connected in parallel, and the system has no DC high voltage.

2.No cask effect, more power generation:The solar panels are independent from each other, without cask effect,

and the actual system efficiency can be maximized.

3.Wide range of application:A good solution to the multi-orientation, shaded roof system; Surrounding environment dust, flying flocculant more complex scene.

4.Simple system:The combination of PV moduels and micro inverter is modular, which simplifies design and construction and reduces system cost.

5.Flexible system design:Allow the design and connection of solar panels which has different powers, brands and types in the same system.

6.Smart monitoring:PV module-level monitoring to reduce later operation、maintenance and repair costs.

7.Long service life:The service life of the micro-inverter is up to 25 years, and the comprehensive investment cost is lower than the traditional system, and the cost performance is higher.

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Related Tags :

400W Micro Inverter On grid Solar System Micro Grid Tie Inverter hoymiles microinverter Inverter Mini Inverter NEP inverter

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