Off-Grid Solar Inverter 300W

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Features

Pure sine wave output (THD<3%)

Power ON-OFF switch

Input voltage range:-20% ~ +30%

Output voltage regulation:±10%

Thermo control cooling fan

Two-color indicators display power and fault status

Protections:short circuit, overload, over temperature,

Low battery voltage, over battery voltage, lack-voltage alarm.

Topology: Pull-push

Approvals: CE mark / EMC / LVD/ RoHS

1 year warranty (Remarks: Customizable input voltage such as 36v, 72v, 96v,110v;output voltage such as 120v, 130v, 200v,240v, etc; )

Order model No

P300w-12A

P3000w-24A

P300w-48A

P300w-12B

P3000w-24B

P300W-48B

Output

AC voltage

110V±10%

220V±10%

Rated power

300W

Peak power

600W

Waveform (THD)

Pure sine wave (<3%)

Frequency

60Hz ±0.3% or 50Hz ±0.3%

Input

NO load current draw

<0.34A

<0.32A

<0.2A

<0.34A

<0.32A

<0.2A

DC voltage

12V

24V

48V

12V

24V

48V

DC Voltage range

9.5~16V

19~32V

38~63V

9.5~16V

19~32V

38~63V

Efficiency

> 86 %

> 88 %

> 90%

> 86 %

> 88 %

> 90 %

DC connector

Cables With Clips or Car Adaptor

Protection

DCLow voltage alarm

10.3~10.6V

20.6V ~21.2V

41.2V~42.4V

10.3~10.6V

20.6V ~21.2V

41.2V~42.4V

DC Low voltage shut down

9.4~9.6V

18.8~19.2V

37.6~38.4V

9.4~9.6V

18.8~19.2V

37.6~38.4V

Over load

Shut Off Output

DC Over voltage shut down

15.8~16.2V

30~32V

60~63V

15.8~16.2V

30~32V

60~63V

Over thermal

Shut Off Output Automatically

Fuses

Short Circuit

Environment

Working temperature

-10°c ~ +50°c

Working humidity

10%~90%RH

Storage temperature

-20°c ~ +50°c

Work altitude

≤1000m

Package

Machine Size(mm)

220*118*63

Packing Size(mm)

250*120*66

Net Weight

1.3kg/unit

Gross Weight

1.4kg/unit

Packing Mode

Carton

Other

Star

Soft Star

Soft Start

Cooling Ways

Cooling Fan

Q:Photovoltaic grid-connected inverter problem: Hello, the definition of the zero line is not caused by the transformer three-phase electric tail connection? I now do not understand why there is no isolation transformer AC output marked is N (zero line), and it is not the transformer three-phase power of the tail connection leads to, this is the zero line? The The

Q:Can a solar inverter be repaired or replaced if it malfunctions?: Yes, a solar inverter can be repaired or replaced if it malfunctions. In many cases, minor issues can be resolved through repairs, such as replacing faulty components or fixing wiring problems. However, if the malfunction is severe or the inverter is beyond repair, it may need to be replaced with a new one.

Q:How does a solar inverter communicate with other system components?: A solar inverter communicates with other system components through various methods such as wired connections, wireless technologies, and communication protocols. It can be connected to the energy management system or smart grid through Ethernet cables or Wi-Fi for data exchange and control. Additionally, it may use communication protocols like Modbus or SunSpec to transmit information to monitoring devices, batteries, or other renewable energy sources within the system.

Q:What are the key factors affecting the warranty coverage of a solar inverter?: The key factors affecting the warranty coverage of a solar inverter include the length of the warranty period, the terms and conditions outlined in the warranty document, the reputation and financial stability of the manufacturer, the quality and reliability of the inverter components, and any limitations or exclusions stated in the warranty.

Q:What is the role of ground fault protection in a solar inverter?: The role of ground fault protection in a solar inverter is to detect and respond to any faults or abnormalities in the electrical system, specifically related to the grounding of the system. It ensures the safety of the inverter, the solar panels, and the overall electrical system by interrupting the flow of current in the event of a ground fault, preventing potential electric shock hazards and damage to the equipment.

Q:What is the maximum number of MPPT inputs in a solar inverter?: The maximum number of MPPT inputs in a solar inverter can vary depending on the model and manufacturer. However, it is common to find solar inverters with a maximum of two or four MPPT inputs.

Q:What are the potential risks of over-discharging a battery connected to a solar inverter?: The potential risks of over-discharging a battery connected to a solar inverter include reduced battery lifespan, damage to the battery cells, decreased battery capacity and performance, and potential safety hazards such as overheating or even battery failure.

Q:Can a solar inverter be used with different monitoring platforms?: Yes, a solar inverter can typically be used with different monitoring platforms. Most modern solar inverters are designed to be compatible with various monitoring platforms, allowing users to choose the one that suits their needs and preferences. This flexibility enables users to monitor and manage their solar energy production and consumption effectively, regardless of the specific monitoring platform they choose to use.

Q:How does the efficiency of a solar inverter affect the overall system performance?: The efficiency of a solar inverter plays a crucial role in determining the overall performance of a solar system. A higher efficiency inverter converts a greater percentage of the energy generated by the solar panels into usable electricity. This means that less energy is lost as heat, resulting in more electricity being available for consumption. A more efficient inverter translates into increased energy production, reduced reliance on grid power, and ultimately, higher cost savings. Additionally, a highly efficient inverter enhances the stability and reliability of the system, ensuring optimal performance and longevity.

Q:Are there any government incentives or rebates available for solar inverters?: Yes, there are government incentives and rebates available for solar inverters. These incentives and rebates vary by country and region. For example, in the United States, the federal government offers a tax credit called the Investment Tax Credit (ITC) that allows homeowners and businesses to deduct a percentage of the cost of a solar system, including inverters, from their taxes. Additionally, some states and local governments may offer their own incentives or rebates for solar inverters. It is recommended to check with local authorities or consult with a solar installer to determine the specific incentives and rebates available in a particular area.

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