Solar Street Light Controllers:2kW Wind Solar Hybrid PWM Stepless Unload Mode Controller

Solar Street Light Controllers:2kW Wind Solar Hybrid PWM Stepless Unload Mode Controller System 1

Solar Street Light Controllers:2kW Wind Solar Hybrid PWM Stepless Unload Mode Controller

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 1 unit

Supply Capability:: 5000 unit/month

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I. PRODUCT INTRODUCTION

The wind/solar hybrid controller is the control device which can control wind turbine and solar panel at the same time and transform wind and solar energy into electricity then stores to the battery bank.Wind/solar hybrid controller is the most important part in off-grid system, whose performance has much effect on life expectancy and operational stability of the whole system, especially the battery expectancy. Or battery service life will be shortened by over-charge or over-discharge.

II. PERFORMANCE FEATURES

Superior military-grade components to ensure the product stability.

Perfect protection function, thus the system has higher reliability.

Check and set all operation parameters as requirement from LCD display.

Voltage limiting and current-limiting charge mode ensures battery in the best charging status.

PWM stepless unload mode, which burn the excess power into dump load, making the battery charging in best status.

III. APPLICATION AREAS

Stand alone wind/solar hybrid power station; Stand alone domestic household wind/solar hybrid power system.

Mobile communication base stations, expressway and other non-residential regions.

Coastal islands, remote mountainous, border posts for regions shortage of or without electricity.

Government demonstration projects, landscape lighting project.

IV. 2KW TECHNICAL PARAMETERS

Product Model	WWS20-48	WWS20-96	WWS20-110	WWS20-120	WWS20-220
Rated Battery Voltage	48V	96V	110V	120V	220V
Rated Wind Turbine Input Power	2kW	2kW	2kW	2kW	2kW
Maximum Wind Turbine Input Power	3kW	3kW	3kW	3kW	3kW
Wind Turbine Brake Current	42A	21A	19A	17A	10A
Rated Solar Input Power	0.6 kW	0.6 kW	0.6 kW	0.6 kW	0.6 kW
Floating Charging Voltage	58V	116V	133V	145V	266V
Dimension(L x W x H)	442×425×172 mm
Net Weight	11.5 kg
Display Mode	LCD
Cooling	Fan
Protection Level	IP20（Indoor）
Quiescent Current	≤20 mA
Protection functions	Battery over charge; Battery over discharge; solar reverse charge protection; anti-reverse-connection protection; wind turbine over rotate speed protection; wind turbine over wind speed protection; wind turbine over voltage protection; wind turbine over current protection; manual brake protection; automatically brake protection; lightning protection.
Ambient Temperature	-20～+55℃
Ambient Humidity	0~93%,without condensing
Working Altitude	≤4000m
In order to serve our customers better. Our company can adjust parameters configuration according to customer’s requirement.

Q: Can a solar controller be used with solar water pumps?: Yes, a solar controller can be used with solar water pumps. A solar controller is an essential component of a solar power system, including solar water pumps, as it regulates and optimizes the flow of electricity from the solar panels to the pump. It helps prevent overcharging of the batteries, protects against voltage fluctuations, and ensures the pump operates efficiently. Additionally, a solar controller can also have built-in features like MPPT (Maximum Power Point Tracking) technology, which maximizes the power output from the solar panels, further enhancing the performance of the solar water pump system. Therefore, using a solar controller with solar water pumps is highly recommended for better control, protection, and overall performance of the system.

Q: Can a solar controller be used with solar-powered indoor educational systems?: Yes, a solar controller can be used with solar-powered indoor educational systems. A solar controller is designed to regulate the flow of electricity generated by solar panels, ensuring that the energy is used efficiently and effectively. This is particularly useful in indoor educational systems, where the solar panels may not receive direct sunlight or may be subject to varying light conditions. The solar controller can optimize the energy generated by the solar panels and ensure a stable power supply to the educational system, regardless of the lighting conditions. Additionally, a solar controller can also provide important monitoring and control functions, allowing users to track the energy production, manage battery charging, and even integrate with other systems or devices. Overall, using a solar controller with solar-powered indoor educational systems can enhance their performance, reliability, and sustainability.

Q: Can a solar controller be used with a generator as a backup power source?: Yes, a solar controller can be used with a generator as a backup power source. The solar controller acts as a bridge between the solar panels and the battery bank, regulating the charging process. When a generator is used as a backup power source, the solar controller can still be used to regulate the charging of the batteries, ensuring efficient and safe power storage.

Q: Can a solar controller handle fluctuating solar panel output?: Yes, a solar controller is designed to handle fluctuating solar panel output. It regulates the amount of charge going into the battery based on the varying output of the solar panels, ensuring optimal charging efficiency and protecting the battery from overcharging or undercharging.

Q: What is the role of a solar controller in preventing overcurrent in the solar panel system?: Maintaining the safety and optimal functioning of a solar panel system heavily relies on the crucial role of a solar controller in preventing overcurrent. Also referred to as a charge controller, this device effectively regulates the flow of current from the solar panels to the battery bank or electrical load. A significant function of the solar controller is to prevent the batteries from overcharging. As solar panels generate electricity from sunlight, it is possible for them to produce more current than the battery bank can handle if not properly regulated. This surplus of current can result in overcharging, which has the potential to damage the batteries and reduce their lifespan. To prevent the occurrence of overcurrent, the solar controller actively monitors the voltage of the battery bank and makes necessary adjustments to the charging current. When the batteries reach their maximum voltage level, the solar controller either reduces the charging current or completely disconnects the solar panels from the battery bank to halt any further flow of current. This measure ensures that a safe and optimal charging level is maintained for the batteries, ultimately guaranteeing their longevity and performance. Furthermore, the solar controller also plays a vital role in safeguarding the solar panels themselves from overcurrent. In cases where partial shading occurs, a phenomenon known as "hot spots" can emerge, wherein certain sections of the solar panels receive less sunlight compared to others. This imbalance in the current flow can lead to overcurrent in those specific areas, potentially causing damage to the solar panels. To mitigate these issues, solar controllers are equipped with various protective features, including overcurrent protection, short-circuit protection, and reverse polarity protection. By constantly monitoring the current flow from the panels, the solar controller promptly disconnects them if any abnormalities are detected, effectively preventing any potential damage. In summary, the primary function of a solar controller in a solar panel system is to regulate the charging current to the battery bank, thus preventing overcharging and damage to the batteries. Additionally, it serves to protect the solar panels from overcurrent and potential damage caused by shading or other irregularities. This ensures the system's longevity, safety, and optimal performance.

Q: What is the maximum discharge power of a solar controller?: The maximum discharge power of a solar controller depends on its specifications and capacity. It can vary widely, ranging from a few watts for small portable controllers to several kilowatts for larger installations.

Q: Can a solar controller handle power fluctuations from the utility grid?: No, a solar controller is not designed to handle power fluctuations from the utility grid. Its primary function is to regulate and control the charging of batteries in a solar power system, ensuring optimal battery performance and longevity. Power fluctuations from the utility grid require specialized equipment such as voltage regulators or surge protectors to handle and protect the solar power system from any potential damage.

Q: Can a solar controller be used with a solar water pumping system?: Yes, a solar controller can be used with a solar water pumping system. A solar controller is an essential component of a solar water pumping system as it helps regulate the flow of electricity from the solar panels to the water pump. It ensures that the pump receives the right amount of power to operate efficiently and protects it from any potential damage due to overvoltage or overcurrent. The solar controller also helps optimize the performance of the system by tracking the maximum power point of the solar panels and adjusting the voltage and current accordingly. Overall, a solar controller is crucial for the proper functioning and longevity of a solar water pumping system.

Q: Can a solar controller be used with solar panels that are connected to a solar street light?: Yes, a solar controller can be used with solar panels that are connected to a solar street light. The solar controller regulates the flow of electricity from the solar panels to the street light, ensuring optimal charging and preventing overcharging or damage to the battery.

Q: How do I prevent undercharging of batteries with a solar controller?: To prevent undercharging of batteries with a solar controller, you can follow a few key steps: 1. Ensure proper battery sizing: Make sure your solar controller is compatible with the battery capacity and voltage you are using. Undersized controllers may not be able to properly charge the batteries. 2. Optimize solar panel capacity: Ensure that your solar panel capacity is sufficient to meet the charging needs of your batteries. If the solar panel capacity is too low, it might not generate enough energy to fully charge the batteries. 3. Set appropriate charging parameters: Adjust the charging parameters on your solar controller according to the battery manufacturer's recommendations. This includes setting the correct charging voltage, absorption time, and float voltage, which will help prevent undercharging. 4. Monitor battery status: Regularly monitor the battery status using a battery monitor or built-in controller features. This will help you identify any potential issues with undercharging and take corrective actions promptly. 5. Implement proper maintenance: Perform regular battery maintenance, including checking for any signs of sulfation or corrosion, and cleaning the battery terminals. A well-maintained battery will be more efficient and less prone to undercharging. By following these steps, you can ensure that your solar controller charges your batteries optimally, preventing undercharging and maximizing their lifespan and performance.

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