Best Solar Charge Controllers:220V 30A/50A/60A/80A for Off-Grid Solar Power Systems with RS485
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 PCS
- Supply Capability:
- 1000 PCS/month
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Properties of the solar charge controller
1. Design for off-grid solar power system.
2. Applicable to different kinds of batteries.
3. Modular design with simple structure and easy maintenance.
4. Automatic power control function.
5. LCD display: Solar panel current, solar panel voltage, solar panel power, battery group voltage, charge current.
6. Perfect protection function: Solar reverse charge protection, Solar reverse connection protection, Battery reverse connection protection, Battery overcharge protection, Battery over current protection etc ,thus the system has higher reliability.
Technical parameters of the solar charge controller
Model | 220V30A | 220V50A | 220V60A | 220V80A |
Battery group rated voltage | 220Vdc | 220Vdc | 220Vdc | 220Vdc |
PV open circuit voltage | 500V | 500V | 500V | 500V |
PV Rated current | 30A | 50A | 60A | 80A |
PV Max. power | 6600Wp | 11000Wp | 13200Wp | 17600Wp |
Input PV module road number | 1 | 1 | 1 | 1 |
Function | Auto stop charge, auto recharge voltage; Protection: connecting contrary, over current, short circuit, over heat etc. | |||
Display mode | LCD | |||
Display content | solar panel voltage, solar panel current, solar panel power, battery voltage, charge current | |||
Floating Charge Voltage （adjustable） | 248Vdc | 248Vdc | 248Vdc | 248Vdc |
Stop charge voltage | 260Vdc±1% | 260Vdc±1% | 260Vdc±1% | 260Vdc±1% |
Recharge voltage | 243Vdc±1% | 243Vdc±1% | 243Vdc±1% | 243Vdc±1% |
Voltage drop between PV and battery | 1.5V | |||
Max itself power consumption | 100mA-150mA | |||
Work environment temperature | -30-60°C | |||
Relative humidity | ＜90% No condensation | |||
Applicable altitude | ＜3000m The rated power should be reduced when it is higher than 2000m | |||
Noise (1m) | ＜40dB | |||
Degree of protection | IP20（Indoor） | |||
Cooling method | Forced air cooling | |||
*Communication interface (optional) | RS485/USB/GPRS/Ethernet | |||
*Temperature compensation(optional) | -4mv/°C/2V,-35°C~+80°C,Accuracy:±1°C | |||
Product size (mm) | 520*430*200 | |||
Weight | 12Kg | |||
*Above parameter only for reference. Could be custom made to user specifications.
- Q: How does a solar controller handle power fluctuations in the system?
- A solar controller handles power fluctuations in the system by regulating the flow of electricity between the solar panels and the battery bank. It continuously monitors the voltage and current levels, and if there are any fluctuations, it adjusts the charging or discharging rate accordingly to maintain a stable power output. This helps to protect the system from overcharging, over-discharging, and other potential damages caused by power irregularities.
- Q: Can a solar controller be used with a wind turbine as a hybrid renewable energy system?
- Yes, a solar controller can be used with a wind turbine as a hybrid renewable energy system. The solar controller can regulate the charging and discharging of batteries in the system, which can be connected to both the solar panels and the wind turbine. This allows for efficient utilization of both solar and wind energy, maximizing the overall energy generation and storage capabilities of the hybrid system.
- Q: How do I ensure proper ventilation for a solar controller installation?
- To ensure proper ventilation for a solar controller installation, it is important to consider the following steps: 1. Choose an appropriate location: Select a well-ventilated area with sufficient airflow. Avoid placing the controller in a confined space or areas that can accumulate excessive heat, such as near heating equipment or direct sunlight exposure. 2. Provide adequate clearance: Ensure that there is enough space around the controller to allow for proper air circulation. This includes maintaining at least a few inches of clearance on all sides of the device. 3. Install a fan or ventilation system: If the chosen location does not provide sufficient natural airflow, consider installing a fan or ventilation system specifically designed for electronics. This can help dissipate heat and maintain an optimal operating temperature for the solar controller. 4. Avoid blocking air vents: Check the controller's manual or specifications to identify any specific ventilation requirements or recommended orientations. Ensure that no objects or obstructions block the air vents of the controller, as it can hinder the cooling process and lead to overheating. 5. Monitor temperature: Regularly monitor the temperature of the solar controller using built-in temperature sensors or additional monitoring devices. If the temperature seems to be consistently high, it may indicate a need for improved ventilation or additional cooling measures. By following these steps, you can ensure proper ventilation for your solar controller installation, which will enhance its efficiency, prolong its lifespan, and minimize the risk of overheating.
- Q: How does a solar controller prevent damage to the solar panels from fire hazards?
- In several ways, a solar controller prevents damage to solar panels caused by fire hazards. Firstly, it regulates the power flow from the panels to the battery or load by monitoring their temperature, preventing overheating. If the temperature surpasses a certain threshold, the controller can decrease the charging current or disconnect the panels entirely to prevent further heating. Moreover, a solar controller comes equipped with built-in protection mechanisms like over-voltage and over-current protection. These features ensure that the panels don't generate excessive voltage or current that could pose a fire hazard. The controller constantly monitors the voltage and current levels, automatically shutting down the charging circuit if any irregularities are detected, thus preventing any potential harm to the panels. Furthermore, a solar controller also includes short-circuit protection. If a short circuit occurs in the wiring or load, the controller promptly detects the abnormal current flow and interrupts the circuit to prevent any potential fire hazards. This feature guarantees that the panels aren't exposed to dangerous levels of current that could cause overheating and subsequent damage. Overall, a solar controller functions as a crucial safety measure by continuously monitoring the temperature, voltage, and current levels of the solar panels. By regulating and protecting against excessive heat, voltage, or current, it prevents damage to the panels and significantly decreases the risk of fire hazards.
- Q: Can a solar controller be used with a solar-powered electric vehicle charging station network?
- Using a solar controller in a solar-powered electric vehicle charging station network is possible. A solar controller functions to regulate the voltage and current from solar panels, allowing for the charging of batteries or powering of electrical devices. In the context of a solar-powered charging station network, a solar controller can be employed to control the flow of electricity from solar panels to the charging stations. The solar controller guarantees the efficient utilization and storage of electricity generated by the solar panels, if necessary, for powering the charging stations. It continuously monitors and optimizes the charging process based on the available solar energy, battery capacity, and the demand from the electric vehicles. The implementation of a solar controller enables the charging station network to effectively manage the generation and distribution of solar energy, ensuring a reliable and stable power supply for electric vehicle charging. This approach aids in lessening dependence on the traditional power grid and supports the adoption of renewable energy sources, thereby contributing to the establishment of a more sustainable and environmentally-friendly transportation system.
- Q: How does a solar controller handle variations in battery capacity?
- A solar controller handles variations in battery capacity by constantly monitoring the battery's voltage and adjusting the charging parameters accordingly. It ensures that the charging current and voltage are regulated to match the specific requirements of the battery, preventing overcharging or undercharging. This helps maintain the battery's health and maximizes its lifespan, regardless of its capacity.
- Q: Can a solar controller be used with solar-powered indoor educational institutions?
- Solar controllers are capable of being utilized in solar-powered indoor educational institutions. These devices regulate the voltage and current from the solar panels, ensuring proper battery charging and preventing overcharging. Moreover, in indoor educational institutions that rely on solar energy, a solar controller can be employed to monitor and manage the power generated by the solar panels. This facilitates the maintenance of optimal battery charging levels, which store solar energy for use during periods without sunlight or when electricity demand exceeds current solar generation. By utilizing a solar controller, indoor educational institutions can effectively manage and utilize solar power, ensuring uninterrupted power supply and reducing dependence on the grid. Furthermore, solar controllers also contribute to extending battery lifespan by preventing overcharging or deep discharging, which can negatively impact battery performance. Consequently, it is highly recommended to utilize a solar controller in indoor educational institutions powered by solar energy to optimize system efficiency and reliability.
- Q: What is the maximum load voltage a solar controller can handle?
- The maximum load voltage a solar controller can handle typically depends on the specific model and manufacturer. However, most solar controllers can handle load voltages ranging from 12V to 48V.
- Q: What are the advantages and disadvantages of an MPPT solar controller?
- Benefits of an MPPT (Maximum Power Point Tracking) solar controller: 1. Enhanced Efficiency: Implementing an MPPT controller can boost the overall efficiency of a solar system by up to 30%. These controllers track the solar panels' maximum power point and adjust the voltage and current to ensure the panels operate optimally, even in changing weather conditions. 2. Superior Performance in Dim Lighting: MPPT controllers are crafted to extract maximum power from solar panels, even in low-light situations. This means they can generate electricity even when sunlight is not at its strongest, making them suitable for areas with frequent cloud cover or shading. 3. Compatibility with Various Panel Configurations: MPPT controllers can be used with a wide range of solar panel setups, including both high and low voltage options. This versatility makes them suitable for diverse system configurations. 4. Charging Flexibility: MPPT controllers have the ability to charge different types of batteries, such as lead-acid, lithium-ion, or gel batteries. They incorporate built-in algorithms that optimize the charging process for each specific battery type, ensuring maximum battery life and performance. Drawbacks of an MPPT solar controller: 1. Higher Price: MPPT controllers generally come with a higher price tag compared to PWM (Pulse Width Modulation) controllers, which are a simpler and more affordable alternative. The added features and advanced technology contribute to the higher cost. 2. Complex Installation and Setup: MPPT controllers require more intricate installation and setup compared to PWM controllers. They often entail additional wiring and configurations for connecting solar panels, batteries, and loads. This may necessitate professional assistance or a solid understanding of electrical systems. 3. Increased Maintenance Demands: MPPT controllers are sophisticated devices and, therefore, may require more maintenance compared to PWM controllers. Regular monitoring and occasional firmware updates may be necessary to ensure optimal performance. 4. Potential for Overheating: Due to their advanced circuitry, MPPT controllers can generate more heat during operation. Proper heat dissipation is crucial to prevent damage to the controller or reduce its lifespan. Adequate ventilation and proper installation are essential to avoid overheating issues. In summary, the advantages of an MPPT solar controller, such as increased efficiency, superior performance in dim lighting, compatibility with various panel configurations, and charging flexibility, often outweigh the disadvantages. However, the higher cost, complex installation, increased maintenance demands, and potential for overheating should be taken into account when making a decision.
- Q: Can a solar controller be used with solar-powered water treatment plants?
- Yes, a solar controller can be used with solar-powered water treatment plants. A solar controller is responsible for regulating and optimizing the charging and discharging of batteries in a solar system. Since solar-powered water treatment plants rely on solar panels to generate electricity, a solar controller is essential to ensure efficient utilization of solar energy and to protect the batteries from overcharging or excessive discharge.
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Best Solar Charge Controllers:220V 30A/50A/60A/80A for Off-Grid Solar Power Systems with RS485
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 PCS
- Supply Capability:
- 1000 PCS/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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