• Wind Solar Hybrid Controller 20KW PWM Stepless Unload Mode System 1
  • Wind Solar Hybrid Controller 20KW PWM Stepless Unload Mode System 2
  • Wind Solar Hybrid Controller 20KW PWM Stepless Unload Mode System 3
Wind Solar Hybrid Controller 20KW PWM Stepless Unload Mode

Wind Solar Hybrid Controller 20KW PWM Stepless Unload Mode

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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 control device which can control wind turbine and solar panel at the same time and transform wind and solar energy into electricity then store 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. 20KW TECHNICAL PARAMETERS

Product Model 

WWS200-220

WWS200-240

Rated Battery Voltage

220 V

240V

Rated Wind Turbine Input Power

20 kW

20 kW

Maximum Wind Turbine Input Power

30 kW

30 kW

Wind Turbine Brake Current

91 A

84 A

Rated Solar Input Power

6 kW

6 kW

Floating Charge Voltage

266 V

290V

Dimension

Control Box:440×305×170 mm, Dumpload Box:680×420×675 mm

Net Weight

Control Box:10 kg, Dumpload Box:75 kg

Display Mode

LCD 

Cooling 

Fan

Protection Function

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.

Wind Solar Hybrid Controller 20KW PWM Stepless Unload Mode

Q:How does a solar controller handle power surges from the solar panels?
The flow of power from solar panels to the battery bank or electrical grid is regulated by a solar controller, which is a crucial component in a solar power system. Safeguarding the system is a crucial role played by a solar controller when it comes to dealing with power surges from the solar panels. Power surges can occur due to various reasons like sudden changes in weather conditions, fluctuations in solar radiation, or issues with the solar panel itself. If not handled properly, these surges can potentially damage the system and its components. To handle power surges, a solar controller usually includes several protective mechanisms. One of its primary functions is to prevent overcharging of the battery bank. Whenever a power surge occurs, the solar controller detects the excess voltage and current and limits the charging rate to ensure that the battery does not get overcharged. This helps in maintaining the battery's health and prolonging its lifespan. Moreover, solar controllers often incorporate devices such as surge protectors or voltage clamps for transient voltage suppression. These devices help in absorbing and diverting excessive voltage spikes away from the system, thereby preventing damage to the solar panels, controller, batteries, or other connected devices. In addition, some advanced solar controllers utilize Maximum Power Point Tracking (MPPT) technology. This technology optimizes the power output of the solar panels by dynamically adjusting the voltage and current, even during power surges. MPPT controllers enhance the system's efficiency while minimizing the impact of power fluctuations. In conclusion, a solar controller regulates the charging rate to prevent overcharging, incorporates surge protection devices, and utilizes MPPT technology to optimize power output when handling power surges from the solar panels. These protective features ensure system stability, protect components from damage, and maximize the efficiency of the solar power system.
Q:How do I prevent undercharging of batteries with a solar controller?
To prevent undercharging of batteries with a solar controller, there are a few key steps you can follow: 1. Select the correct solar controller: Ensure that you have a solar charge controller that is specifically designed for your battery type. Different types of batteries require different charging profiles, and using the wrong controller can result in undercharging or overcharging. 2. Properly size the solar array: Make sure that the size of your solar array (the total wattage of your solar panels) is sufficient to meet the energy needs of your battery system. If the solar array is too small, it may not generate enough power to fully charge the batteries, leading to undercharging. 3. Set the correct charging parameters: Most solar charge controllers have adjustable charging parameters such as voltage set points and charging algorithms. Consult the manufacturer's instructions or user manual to determine the optimal settings for your battery type, and configure the controller accordingly. 4. Monitor battery voltage and state of charge: Regularly check the battery voltage and state of charge using a battery monitor or voltmeter. This will allow you to determine if the batteries are being properly charged. If you notice that the voltage is consistently low or the state of charge is not increasing as expected, it may indicate undercharging. 5. Consider temperature compensation: Some solar controllers offer temperature compensation features, which adjust the charging parameters based on the ambient temperature. This can help prevent undercharging in extreme hot or cold conditions, as battery charging efficiency can be affected by temperature. 6. Regularly maintain and clean your solar panels: Keep your solar panels clean and free from debris to maximize their efficiency. Dust, dirt, or shading can reduce the amount of power generated, which may result in undercharging. By following these steps, you can significantly reduce the risk of undercharging your batteries with a solar controller and ensure they are properly charged for optimal performance and longevity.
Q:Can a solar controller be used in a community solar system?
Yes, a solar controller can be used in a community solar system. A solar controller is an essential component that regulates the charging and discharging of batteries in a solar panel system. In a community solar system, multiple solar panels are connected to a central grid, and a solar controller ensures that the energy generated by each panel is efficiently distributed and stored. It helps optimize the system's performance and ensures that the energy generated by the community solar system is effectively utilized.
Q:What is the typical warranty period for a solar controller?
The typical warranty period for a solar controller ranges from 1 to 5 years, depending on the manufacturer and the specific model.
Q:What is the purpose of the battery overcharge protection feature on a solar controller?
The purpose of the battery overcharge protection feature on a solar controller is to prevent the batteries from getting damaged due to overcharging. Solar panels generate electricity from the sun, and this electricity is stored in batteries for later use. However, if the batteries are continuously charged beyond their capacity, they can become overcharged, which can lead to several issues. Overcharging a battery can cause it to heat up, which can result in the degradation of the battery's internal components, reducing its overall lifespan. It can also cause the battery to release harmful gases, such as hydrogen, which can be dangerous and potentially lead to explosions or fires. To avoid these risks, solar controllers with battery overcharge protection feature are designed to monitor the charging status of the batteries. When the batteries reach their full capacity, the controller automatically detects this and stops the flow of electricity from the solar panels to the batteries, preventing any further charging. This helps to maintain the batteries at their optimal charge level, ensuring their longevity and safe operation. Furthermore, the battery overcharge protection feature also helps to maximize the efficiency of the solar system. By preventing overcharging, the controller ensures that the excess energy generated by the solar panels is not wasted and instead can be used efficiently when required. In summary, the purpose of the battery overcharge protection feature on a solar controller is to safeguard the batteries from potential damage caused by overcharging, extend their lifespan, and enhance the overall efficiency of the solar system.
Q:Can a solar controller be used with a solar inverter?
Yes, a solar controller can be used with a solar inverter. The solar controller regulates the charging of the batteries connected to the solar system, while the solar inverter converts the DC power from the batteries or solar panels into AC power to be used by household appliances. Both devices work together to optimize the efficiency and functionality of a solar power system.
Q:What is the maximum battery capacity that a solar controller can handle?
The maximum battery capacity that a solar controller can handle depends on the specific model and its design specifications. Generally, solar controllers are available in a range of capacities to accommodate different battery sizes. The capacity of a solar controller is typically measured in volts and amps, which determines the maximum voltage and current that the controller can handle. It is important to choose a solar controller that can handle the battery capacity of your solar system. If the battery capacity exceeds the maximum capacity of the controller, it may not function properly or may cause damage to the controller. Therefore, it is crucial to consult the manufacturer's specifications or seek professional advice to ensure that the solar controller can handle the desired battery capacity.
Q:What is the role of a solar controller in preventing battery freezing?
The role of a solar controller in preventing battery freezing is crucial. A solar controller is responsible for managing the charging process of the battery, ensuring that it is charged optimally and protected from potential damage. In cold temperatures, batteries are at risk of freezing, which can lead to irreversible damage or even render the battery useless. A solar controller helps prevent battery freezing by monitoring the temperature and voltage levels of the battery. It regulates the charging process to ensure that the battery is not overcharged, as overcharging can generate excessive heat and increase the risk of freezing. Additionally, the solar controller may include a temperature sensor that detects low temperatures and adjusts the charging voltage accordingly. By reducing the charging voltage, the solar controller prevents the battery from freezing while still maintaining a sufficient level of charge. Furthermore, some advanced solar controllers offer additional features to prevent battery freezing. These features may include temperature compensation, which adjusts the charging voltage based on the battery's temperature, ensuring optimal charging even in extreme conditions. Additionally, some controllers may provide a low-temperature disconnect function, which automatically disconnects the battery from the solar panel when the temperature drops below a certain threshold, preventing freezing and potential damage. In summary, the role of a solar controller in preventing battery freezing is to regulate the charging process, monitor temperature and voltage levels, and adjust the charging voltage based on the battery's temperature. This ensures that the battery remains protected and operational even in cold weather conditions.
Q:How do I prevent deep discharge of batteries with a solar controller?
To prevent deep discharge of batteries with a solar controller, there are a few key steps you can follow: 1. Choose an appropriate solar controller: Make sure you select a solar controller that offers a deep discharge protection feature. This feature will help monitor the battery voltage and prevent it from dropping below a certain threshold, ensuring it doesn't get discharged too deeply. 2. Set the low voltage disconnect (LVD) level: Most solar controllers allow you to set the LVD level, which determines the point at which the controller will disconnect the load to prevent further battery discharge. Set the LVD level to a safe value that ensures the battery doesn't get discharged below its recommended minimum voltage. 3. Monitor battery voltage regularly: Keep an eye on the battery voltage using a battery monitor or a voltage meter. This will help you gauge the state of charge and ensure it doesn't drop too low. If you notice the voltage nearing the LVD level, take appropriate action to recharge the battery. 4. Implement battery protection measures: If you have a large solar system or plan to be away for an extended period, consider adding additional battery protection measures. These can include devices like a battery protector or a low voltage disconnect switch, which will automatically disconnect the battery from the system when it reaches a certain voltage threshold. 5. Properly size your solar system: Ensure that your solar panel array is sized appropriately for your battery bank. A properly sized system will generate enough power to keep your batteries charged and prevent deep discharge. It's important to consider factors like daily energy consumption, weather conditions, and battery capacity when sizing your solar system. By following these steps and regularly monitoring your battery voltage, you can effectively prevent deep discharge of batteries with a solar controller. This will help prolong the lifespan of your batteries and ensure optimal performance of your solar system.
Q:What is the difference between a PWM and MPPT solar controller?
A PWM (Pulse Width Modulation) solar controller regulates the voltage output of the solar panels by rapidly turning the panels on and off. It is a basic and cost-effective controller suitable for smaller solar systems. On the other hand, an MPPT (Maximum Power Point Tracking) solar controller is more advanced and efficient. It actively tracks the maximum power output of the solar panels and adjusts the voltage and current accordingly to maximize the energy harvest. MPPT controllers are more expensive but offer higher conversion efficiency, especially in larger solar systems or those with varying weather conditions.

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