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: Some say that the inverter can not directly connected with the controller but the battery, but this inverter has not been in power consumption? If directly connected to the controller, the inverter 12 volts 2000 watts, the controller 12 volt 10 An certainly can not stand ah: No, no load will not work!

Q: How does a solar controller prevent damage to the solar panels from hail or storm events?: While a solar controller may not directly prevent damage to solar panels caused by hail or storms, it plays a vital role in safeguarding their safety. The primary function of a solar controller is to regulate the charging and discharging of batteries within a solar power system. This means that in the event of a storm or hail, the solar controller can detect any fluctuations in voltage and current generated by the panels. If the voltage or current surpasses a specific threshold, indicating potential damage to the panels, the solar controller can automatically disconnect them from the battery system. By disconnecting the panels from the battery system, the solar controller effectively isolates them from the rest of the system, minimizing the likelihood of damage. This is crucial as hail or storms can cause high voltage surges or irregular power fluctuations, which could potentially harm the panels or other system components. Additionally, the solar controller offers real-time monitoring of the panels' performance and condition. This enables the system owner to stay updated on any damage caused by hail or storms. By being aware of such issues, the system owner can take appropriate measures, such as repairing or replacing damaged panels, to ensure the continuous efficient operation of the solar power system. Although a solar controller cannot completely prevent damage from hail or storms, its ability to disconnect the panels from the system and provide monitoring capabilities significantly reduces the risk of damage, thereby protecting the investment in solar panels.

Q: Can a solar controller be used with solar-powered indoor waste management facilities?: Solar-powered indoor waste management facilities can indeed utilize a solar controller. This controller plays a vital role in solar power systems as it regulates the flow of electricity from the solar panels to the batteries. Its primary function is to ensure proper charging of the batteries and protect them from potential damage caused by overcharging or discharging. To implement a solar controller in a solar-powered indoor waste management facility, one would need to connect it to the solar panels installed on the facility's roof or surrounding areas. These panels capture sunlight and convert it into electricity, which can then be stored in batteries for later use. The solar controller would closely monitor the charging process, ensuring that the batteries are charged at the appropriate voltage to prevent any harm. It effectively manages the flow of electricity from the solar panels, optimizing the charging efficiency of the batteries and reducing reliance on grid electricity. By incorporating a solar controller, these facilities can significantly reduce their carbon footprint and operational expenses by utilizing renewable energy sources. Furthermore, it provides a reliable and sustainable power supply, even in areas with unreliable grid electricity. In conclusion, the inclusion of a solar controller is imperative for solar-powered waste management facilities. It allows them to harness the sun's energy efficiently, operate in an environmentally friendly manner, and achieve optimal performance.

Q: Can a solar controller be used with solar panels that have different wattages?: Yes, a solar controller can be used with solar panels that have different wattages. The solar controller regulates the charge going into the battery bank and is designed to accommodate panels with varying wattages. However, it is important to ensure that the combined wattage of the panels does not exceed the maximum input capacity of the solar controller to avoid any potential damage.

Q: What is the maximum cable size that can be used between the solar panels and the batteries?: The maximum cable size that can be used between solar panels and batteries depends on various factors such as the distance between the panels and batteries, the voltage and current requirements of the system, and the acceptable voltage drop. In general, it is recommended to use larger cable sizes for longer distances to minimize power loss due to resistance. This is especially important for higher voltage systems, as voltage drop can have a significant impact on the overall efficiency of the solar power system. To determine the appropriate cable size, one should consider the maximum current that will flow through the cables and consult a cable sizing chart or a qualified electrician. It is important to select a cable size that can handle the maximum current without causing excessive voltage drop or overheating. Furthermore, if the solar power system is subject to specific electrical codes or regulations, such as those outlined by the National Electrical Code (NEC) in the United States, it is essential to comply with the requirements and specifications provided by these authorities. Ultimately, it is recommended to consult with a qualified professional or an electrical engineer who can assess the specific requirements of the solar power system and provide the most accurate and appropriate cable size recommendation.

Q: How does a solar controller protect the battery from overcharging?: The battery is protected from overcharging by a solar controller, which monitors the battery's voltage level and adjusts the charging current accordingly. When the battery reaches a specific voltage threshold, indicating full charge, the solar controller reduces or completely stops the charging current to prevent overcharging. This stage is commonly referred to as "float" or "trickle" charging. By controlling the charging process, the solar controller guarantees that the battery remains at a safe and optimal charging level, prolonging its lifespan and preventing damage caused by overcharging. Additionally, advanced solar controllers may include features such as temperature compensation and equalization charging to further safeguard the battery against overcharging and ensure its long-term performance.

Q: Can a solar controller be used with solar-powered indoor transportation hubs?: Solar-powered indoor transportation hubs can benefit from the use of a solar controller. This device regulates the flow of electricity from solar panels to energy storage systems, such as batteries. By managing the energy generated by the solar panels and storing it in batteries, the solar controller ensures a consistent power supply for the indoor transportation hub, even during low-light conditions or periods of high electricity demand. Moreover, the solar controller provides essential monitoring and protection functions, such as preventing battery overcharging or over-discharging, optimizing energy usage, and ensuring the durability of the solar power system. As a result, incorporating a solar controller alongside solar panels can greatly improve the efficiency and reliability of solar-powered indoor transportation hubs.

Q: What is the maximum voltage a solar controller can handle?: The maximum voltage a solar controller can handle typically depends on its specifications and design. However, most standard solar controllers can handle voltages up to 12V or 24V, while some advanced models can handle higher voltages such as 48V or even 60V. It is important to refer to the manufacturer's specifications to determine the exact maximum voltage capacity of a specific solar controller model.

Q: How does a solar controller protect batteries from overcharging?: A solar controller protects batteries from overcharging by constantly monitoring the voltage of the batteries and regulating the charge current from the solar panels. Once the batteries reach their maximum charge level, the controller will reduce or cut off the charging current to prevent overcharging, which can damage the batteries and decrease their lifespan.

Q: How do I calculate the required battery capacity for a solar controller?: To calculate the required battery capacity for a solar controller, you need to consider the power consumption of the devices connected to the controller, the duration of backup power required, and the efficiency of the controller. First, determine the total power consumption of the connected devices in watts. Then, estimate the number of hours you need the battery to provide backup power. Next, calculate the energy needed by multiplying the power consumption by the backup duration (in hours). To account for inefficiencies and losses, it is recommended to multiply the calculated energy by a safety factor of 1.2 or higher. Finally, choose a battery with a capacity (in ampere-hours, Ah) that can accommodate the calculated energy requirement. Remember to also consider the battery's voltage compatibility with the solar controller.

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