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:Can a solar inverter be used with a solar-powered electric fence system?: Yes, a solar inverter can be used with a solar-powered electric fence system. The solar inverter is responsible for converting the DC (direct current) power generated by the solar panels into AC (alternating current) power, which can be used to power the electric fence system. This ensures that the solar-powered electric fence system can operate efficiently and effectively, utilizing the energy harnessed from the sun.

Q:Can a solar inverter be installed in a multi-storey building?: Yes, a solar inverter can be installed in a multi-storey building. The installation of a solar inverter in a multi-storey building follows the same principles as in any other building. The solar panels are typically installed on the rooftop or any other open area where they can receive maximum sunlight. The generated DC power from the solar panels is then converted into AC power by the solar inverter. In a multi-storey building, the solar inverter can be installed either on the rooftop or in a dedicated room or space on one of the floors. The installation location should be chosen based on factors such as ease of access, ventilation, and proximity to the solar panels. It is important to ensure that the inverter is installed in a safe and secure location that complies with local building codes and regulations. Additionally, the wiring and cabling required for connecting the solar panels to the inverter should be properly installed, taking into consideration the vertical distance between the panels and the inverter. Adequate protection measures should also be taken to prevent any damage or electrical hazards during the installation process. Overall, with proper planning and installation techniques, a solar inverter can be easily installed in a multi-storey building, helping to harness solar energy and reduce electricity costs for the residents or occupants.

Q:How does a solar inverter work?: A solar inverter works by converting the direct current (DC) electricity produced by solar panels into alternating current (AC) electricity that can be used to power household appliances and be fed into the electrical grid. It performs this conversion by using electronic components, such as transistors and capacitors, to change the voltage and frequency of the electricity. The inverter also monitors the solar panel's output and adjusts its operation to ensure optimal performance and efficiency.

Q:How does shading affect the performance of a solar inverter?: Shading can significantly impact the performance of a solar inverter as it reduces the amount of sunlight reaching the solar panels. When panels are partially shaded, they generate less power, which in turn affects the output of the inverter. If a significant portion of the panels are shaded, the inverter may not be able to operate optimally or may even shut down. To overcome shading issues, technologies like bypass diodes or micro-inverters can be used, which minimize the impact of shading on overall system performance.

Q:What is the role of a solar inverter in protecting the electrical grid?: The role of a solar inverter in protecting the electrical grid is to efficiently convert the direct current (DC) generated by solar panels into alternating current (AC) that can be safely integrated and synchronized with the existing grid. This helps ensure the stability, reliability, and quality of the electricity being fed into the grid, preventing any potential disruptions or damages that could occur due to inconsistent or incompatible power inputs. Additionally, solar inverters also play a crucial role in monitoring and controlling the energy flow, protecting against grid faults, and providing necessary safety features like voltage regulation and anti-islanding to safeguard both the grid and the solar installation.

Q:How does a solar inverter handle variations in grid frequency?: A solar inverter handles variations in grid frequency by constantly monitoring the frequency of the grid and adjusting its own output accordingly. It does this through a process called frequency synchronization, where it synchronizes its output frequency with the grid frequency. This allows the solar inverter to seamlessly adapt to any changes in grid frequency, ensuring a stable and reliable power supply to the connected solar panels or the grid.

Q:What is the role of a solar inverter in a solar-powered electric fence?: The role of a solar inverter in a solar-powered electric fence is to convert the direct current (DC) generated by the solar panels into alternating current (AC) that is used to power the electric fence system. The inverter ensures that the energy captured by the solar panels is transformed into a usable form for the electric fence, allowing it to function efficiently.

Q:What is the role of a solar inverter in a grid-tied system?: The role of a solar inverter in a grid-tied system is to convert the direct current (DC) electricity produced by the solar panels into alternating current (AC) electricity that can be used by the electrical grid or consumed by the appliances and devices in a home or business. It also ensures that the solar energy generated is synchronized with the grid's voltage and frequency to enable efficient and safe transfer of power. Additionally, the solar inverter monitors and controls the flow of electricity between the solar panels, the grid, and any energy storage systems that may be connected to the system.

Q:What are the safety features in a solar inverter?: Playing a crucial role in the conversion of direct current (DC) electricity from solar panels to alternating current (AC) electricity, solar inverters, also known as photovoltaic (PV) inverters, are equipped with various safety features to ensure their safe and efficient operation. Among the primary safety features of a solar inverter is ground fault protection. This feature is designed to detect any leakage of current to the ground, which may indicate a fault in the system. If a ground fault is detected, the inverter will immediately shut down to prevent potential electrocution hazards. To safeguard against overvoltage situations, solar inverters are equipped with surge protection devices (SPDs). These devices divert excessive voltage spikes or surges to the earth, thereby protecting the inverter and other connected electrical equipment from damage. In the event of a grid power outage or blackout, solar inverters have anti-islanding protection. This feature ensures that the inverter automatically disconnects from the grid, preventing power backfeeding, which could pose a serious threat to utility workers attempting to repair the grid. Temperature monitoring is another crucial safety feature in solar inverters. With the potential for heat generation during operation, inverters are equipped with temperature sensors to monitor internal temperature. If the temperature exceeds the safe limit, the inverter will automatically shut down to prevent potential fire hazards. Additionally, solar inverters often incorporate built-in arc fault circuit interrupters (AFCIs). These devices are designed to detect and interrupt dangerous arc faults that may occur due to damaged or deteriorating wiring connections. By promptly stopping the flow of electricity, AFCIs help prevent electrical fires. Lastly, many solar inverters feature advanced monitoring and diagnostic systems. These systems provide real-time data and alerts, enabling users or installers to promptly identify and address potential safety issues. In conclusion, the safety features in a solar inverter are essential for ensuring the secure and reliable operation of the system. These features protect against electrical hazards, prevent damage to the inverter and connected equipment, and contribute to the overall safety of the solar power generation system.

Q:Can a solar inverter be used in a solar water pumping system?: Yes, a solar inverter can be used in a solar water pumping system. The solar inverter is responsible for converting the direct current (DC) power generated by the solar panels into alternating current (AC) power, which is suitable for powering the water pump. This allows the solar water pumping system to operate efficiently and effectively, utilizing the solar energy to pump water without the need for grid electricity.

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