ON-GRID INVERTER Sunteams 1500-3000(US)

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The Sunteams 1500 ~5000 series is applicable to various rooftops and small scale photovoltaic grid-connected power plants. Their nominal output powers are 1.5 kW, 2 kW, 2.5 kW,

3 kW, 3.6 kW, 4 kW and 5kW respectively.

This series is transformerless and has a wide range of MPPT input voltage. Its maximum conversion efficiency and MPPT tracking accuracy reach 97.6 % and 99.5 % respectively. The maximum DC voltage reaches 550 V. Its multilingual LCD display facilitates easy operation. It has waterproof direct plug-in terminals. It has overvoltage, islanding, short-circuit, overloading and overheating protection functions. Its IP65 protection degree will ensure it runs well in various tough environments.

These units are available with or without wirebox.

UL certified
■ For countries with UL certification (UL 1741 / IEEE 1547)

Efficient
■ The CEC efficiency of the inverter can reach 95.0 %-97.5 %
■ Transformerless desi

Simple
■ ‘Plug and play’connection for easy installation and maintenance
■ Designed for hanging with simple and easy installation
■ Fanless cooling concept

Communicative
■ RS232/RS485 interfaces as standard
■ Optional Bluetooth technology

Q:What maintenance is required for a solar inverter?: Regular maintenance for a solar inverter typically includes visual inspection for dust or dirt accumulation, checking for loose connections, monitoring the inverter's performance, and ensuring proper ventilation. Additionally, it is recommended to clean the solar panels periodically to maximize the system's efficiency.

Q:Can a solar inverter be used in a solar-powered air conditioning system?: Yes, a solar inverter can be used in a solar-powered air conditioning system. The solar inverter is responsible for converting the DC power generated by solar panels into usable AC power for appliances, including air conditioners. By utilizing a solar inverter, the solar-powered air conditioning system can effectively harness solar energy to cool spaces while minimizing reliance on traditional energy sources.

Q:How does a solar inverter handle voltage sag or drop in the grid?: A solar inverter handles voltage sag or drop in the grid by continuously monitoring the grid voltage. When it detects a voltage sag or drop, the inverter quickly adjusts its output voltage to compensate for the fluctuation, ensuring a stable and consistent power supply. This is achieved by utilizing the inverter's control algorithms and power electronics to regulate the output voltage and maintain grid compatibility.

Q:Can a solar inverter be used in areas with high levels of lightning activity?: Yes, a solar inverter can be used in areas with high levels of lightning activity. However, it is important to ensure proper installation and grounding measures are in place to protect the inverter from potential damage caused by lightning strikes.

Q:What is the role of a maximum power point tracker (MPPT) in a solar inverter?: In a solar inverter, the maximum power point tracker (MPPT) plays a crucial role in optimizing the efficiency and power output of the solar panel system. Since solar panels generate direct current (DC) electricity while most appliances and the electrical grid operate on alternating current (AC), the MPPT continuously adjusts the operating conditions of the solar panels to extract the maximum power available from sunlight. The MPPT tracks the maximum power point (MPP) at which the solar panels can efficiently generate the most electricity. This is vital because the output of a solar panel depends significantly on factors like temperature, shading, and the angle of the sun. To ensure maximum power output, the MPPT continuously monitors and adjusts the voltage and current of the solar panel system, keeping it at the MPP. It achieves this by dynamically altering the electrical load on the solar panels to find the optimal operating point. Additionally, the MPPT acts as a converter, transforming the DC power generated by the solar panels into the AC power required for appliances or for feeding back into the electrical grid. This conversion process involves adjusting the voltage and frequency of the electricity to match the requirements of the appliances or the grid. In summary, the primary function of a maximum power point tracker in a solar inverter is to optimize the efficiency and power output of the solar panel system, ensuring the extraction of the maximum amount of energy from sunlight and its effective utilization for various applications.

Q:Can a solar inverter be used with a solar-powered outdoor lighting system?: Yes, a solar inverter can be used with a solar-powered outdoor lighting system. A solar inverter is responsible for converting the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power various devices, including outdoor lighting systems. By connecting the solar panels to a solar inverter, the generated energy can be efficiently transformed and utilized for powering the lighting system, ensuring sustainable and renewable lighting solutions.

Q:Can a solar inverter be used in a ground-mounted solar tracking system?: Yes, a solar inverter can be used in a ground-mounted solar tracking system. The solar inverter is responsible for converting the direct current (DC) generated by the solar panels into alternating current (AC) that can be used to power electrical devices or be fed back into the grid. Whether the solar panels are fixed or mounted on a tracking system, the inverter's function remains the same.

Q:How do you connect a solar inverter to the electrical grid?: To connect a solar inverter to the electrical grid, you typically follow these steps: 1. Install the solar panels: First, mount the solar panels on the roof or another suitable location to capture sunlight and generate DC (direct current) electricity. 2. Connect the solar panels to the inverter: Use appropriate wiring and connectors to connect the DC output of the solar panels to the input terminals of the solar inverter. 3. Install a suitable breaker: Install a dedicated circuit breaker between the inverter and the electrical panel to protect against electrical faults and overloads. 4. Connect the inverter to the electrical panel: Use appropriate wiring and connectors to connect the AC (alternating current) output of the inverter to the electrical panel. 5. Obtain necessary permits and inspections: Check with your local authorities to ensure compliance with regulations and obtain any required permits. Arrange for inspections to ensure the installation meets safety standards. 6. Activate the inverter: Follow the manufacturer's instructions to activate and configure the inverter according to your system specifications. 7. Connect to the electrical grid: If permitted in your area, arrange for a licensed electrician or utility company to connect the inverter to the electrical grid. This step may involve installing a bi-directional meter and completing paperwork. Once connected, the solar inverter converts the DC electricity generated by the solar panels into AC electricity suitable for use in your home or to feed excess power back into the grid.

Q:What is the importance of surge protection in a solar inverter?: Surge protection is crucial in a solar inverter as it safeguards the system against voltage spikes or power surges. These surges can occur due to lightning strikes, grid fluctuations, or other electrical disturbances, and can potentially damage the sensitive electronics in the inverter. Surge protection devices divert excessive voltage away from the solar inverter, preventing costly damage and ensuring the efficient and uninterrupted operation of the solar power system.

Q:Does a solar inverter require any additional cooling or ventilation?: Yes, a solar inverter typically requires additional cooling or ventilation to maintain its optimal operating temperature and prevent overheating. This is because solar inverters convert DC power from solar panels into AC power, a process that generates heat. Adequate cooling or ventilation systems help dissipate this heat and ensure the inverter operates efficiently and reliably.

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