Solar Hot Water Controllers with 3kW MPPT Solar Charge Controller

Solar Hot Water Controllers with 3kW MPPT Solar Charge Controller System 1

Solar Hot Water Controllers with 3kW MPPT Solar Charge Controller

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 1 unit

Supply Capability:: 10000 unit/month

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I. PRODUCT INTRODUCTION

Solar controller is control device which can control solar panel and transform solar energy into electricity then store to the battery bank. Solar controller is the most important part in off-grid system, whose performance has much effect on life expectancy and operation 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.

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

III. APPLICATION AREAS

Standalone Photovoltaic power station

Standalone Domestic household photovoltaic power system

Mobil 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 etc.

IV. 3KW TECHNICAL PARAMETERS

Product model	WS30-48-N00	WS30-96-N00	WS30-110-N00	WS30-120-N00	WS30-220-N00
Rated battery power	48V	96V	110V	120V	220V
Rated solar input power	3kW	3kW	3kW	3kW	3kW
Floating charge voltage	58V	116V	133V	145V	266V
Max Open Circuit Voltage	100V	200V	230V	250V	458V
Dimensions (L x W x H)	442×307×172 mm
Net weight	7kg
Display mode	LCD
Cooling	Fan
Protection level	IP20（Indoor）
Quiescent current	≤20 mA
Protection functions	Battery over charge; battery anti-reverse-connection; solar reverse charge protection; solar anti-reverse-connection; 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 parameter configuration according to customer’s requirement.

V. APPENDIX

Optional Functions
Ø Temperature compensation function	Ø Dry-connect output signal function	Ø RS communication function
Optional Accessories
Ø Ethernet Module	Ø GPRS	Ø SD card storage module
Ø RS485-USB converter	Ø RS485-RS232 converter	Ø RS232-USB converter
Friendly reminder: Customers, who will order the solar controller, need to provide the following information
Ø Rated battery voltage	Ø Rated solar power	Ø With or without additional functions

Solar Charge Controller 3KW-MPPT Charging Function

Q: Do solar controllers require regular maintenance?: Yes, solar controllers do require regular maintenance. This typically involves checking the connections, cleaning any debris or dust, inspecting the wiring, and ensuring proper functioning of the controller. Regular maintenance helps to optimize performance and prolong the lifespan of the solar controller.

Q: Can a solar controller be used with a solar-powered off-grid community?: Yes, a solar controller can be used with a solar-powered off-grid community. A solar controller is an essential component of a solar power system as it regulates the flow of electricity from the solar panels to the batteries, ensuring safe and efficient charging. In an off-grid community, where the reliance on solar energy is crucial, a solar controller helps manage the power generation, storage, and distribution effectively. It helps protect the batteries from overcharging and prevents damage to the entire solar power system. Thus, a solar controller is an essential tool for maintaining a sustainable and reliable solar-powered off-grid community.

Q: What are the signs of a faulty solar controller?: A faulty solar controller can be indicated by several signs. Here are some commonly observed ones: 1. Battery Overcharging: Constant overcharging of batteries could be a sign of improper functioning of the solar controller. This can lead to battery damage and reduced lifespan. 2. Battery Undercharging: Conversely, if batteries are not fully charged or consistently undercharged, it may suggest a faulty solar controller. This can result in decreased battery capacity and overall system performance. 3. Inconsistent Power Output: When solar panels do not consistently produce power or fail to meet expected output, it may point to a faulty solar controller. The controller regulates the flow of power from panels to batteries, and any malfunction can disrupt this process. 4. Erratic Display or Error Messages: An erratic display or the presence of error messages on the solar controller's screen may indicate a problem with the controller. These error messages can include warnings about overvoltage, undervoltage, or other issues. 5. Excessive Heating: A faulty solar controller may generate excessive heat, which can be felt when touching the controller. This can be a sign of internal component failure or inadequate thermal management, both of which can impact the controller's performance. 6. Intermittent or Non-Functioning Load Control: If the solar controller is responsible for controlling loads connected to the system, such as lights or appliances, and these loads do not work consistently or at all, it might be due to a faulty controller. It is important to note that these signs can also be indicative of other issues in the solar system. Therefore, it is recommended to seek advice from a professional or contact the manufacturer for further troubleshooting and assistance.

Q: What is the purpose of the maximum power point tracking feature on an MPPT solar controller?: The MPPT feature on an MPPT solar controller aims to optimize the efficiency and output of the solar panel system by constantly monitoring and adjusting the voltage and current to operate at the maximum power point (MPP). This ensures that the system harvests the maximum available energy from sunlight, even when environmental conditions change. By tracking the MPP, the MPPT controller improves energy production and overall system performance. Additionally, the MPPT feature allows the solar panel system to be more versatile and efficient in different applications. It enables the conversion of excess energy into usable energy for charging batteries or powering other devices, making it compatible with various battery charging requirements. This versatility makes MPPT solar controllers suitable for off-grid systems, hybrid systems, and grid-tied systems with battery backup. In conclusion, the MPPT feature on an MPPT solar controller optimizes the power output of the solar panel system by continuously tracking the maximum power point. It ensures high efficiency, maximizes energy production, and improves compatibility with battery charging requirements.

Q: Can a solar controller be used in a solar-powered electric motorbike racing system?: Yes, a solar controller can be used in a solar-powered electric motorbike racing system. A solar controller regulates and optimizes the charging process of the solar panels, ensuring efficient energy transfer to the batteries. In a solar-powered racing system, the solar controller would play a crucial role in managing the energy flow, maximizing the performance and longevity of the batteries, and ultimately enhancing the overall efficiency of the motorbike.

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 main function is to regulate and control the flow of power between the solar panels and the battery bank in order to optimize charging and prevent overcharging. Power fluctuations from the utility grid are typically managed by other components such as voltage regulators or surge protectors.

Q: What is the maximum battery voltage that a solar controller can handle?: The maximum battery voltage that a solar controller can handle depends on the specific model and its design specifications. However, most common solar controllers can handle battery voltages ranging from 12V to 48V. It is crucial to consult the manufacturer's guidelines or technical specifications to determine the maximum battery voltage that a particular solar controller can handle. Exceeding the maximum voltage can potentially damage the controller and compromise its performance and functionality.

Q: How does a solar controller prevent damage to the solar panels during hail or storm events?: The role of a solar controller, also known as a charge controller, is crucial in safeguarding solar panels from hail or storm damage. Its primary function is to regulate the flow of electricity from the panels to the battery bank or grid, ensuring optimal charging and preventing overcharging or overvoltage. When hail or storm events occur, the solar controller acts as a protective barrier between the panels and the external environment. It effectively minimizes the risks associated with hail or storm damage through various mechanisms: 1. Voltage Regulation: By monitoring and regulating the voltage output, the solar controller immediately detects and regulates any excess voltage caused by hail or storm-induced power fluctuations. This prevents overloading of the panels and potential irreversible damage. 2. Overcurrent Protection: In the event of a storm, heavy winds or debris may cause electrical surges or short circuits. The solar controller includes mechanisms to detect abnormal current flow and instantly disconnects the panels from the battery or grid, preventing damage to the panels or other components. 3. Surge Protection: Hail or storm events often bring power surges or voltage spikes. Solar controllers typically have built-in surge protection features to safeguard the entire system from these voltage fluctuations. This protection prevents damage to the sensitive electronic components of the panels, ensuring their longevity and uninterrupted performance. 4. Temperature Monitoring and Protection: Extreme weather conditions during hail or storm events can lead to rapid temperature fluctuations. Solar controllers ensure that the panels operate within a safe temperature range. They monitor the panel temperature and take measures such as reducing the charging rate or temporarily shutting down the system if the temperature exceeds the safe limit. By preventing overheating, the solar controller helps extend the lifespan of the panels. In summary, a solar controller plays a vital role in protecting solar panels from potential hail or storm damage. It regulates voltage, prevents overcurrent, provides surge protection, and monitors temperature to ensure optimal operation and longevity of the panel system.

Q: How does a solar controller handle the charging of multiple battery banks?: A solar controller manages the charging of multiple battery banks by detecting the voltage and state of charge of each bank individually. It ensures that each bank receives the appropriate amount of charging current and prevents overcharging by regulating the charging process. The solar controller also prioritizes the battery banks based on their level of discharge, ensuring that the most depleted bank receives charging priority. This way, it effectively and efficiently handles the charging of multiple battery banks.

Q: How does a solar controller prevent batteries from discharging at night?: A solar controller prevents batteries from discharging at night by monitoring the energy flow and regulating the charging and discharging process. It acts as a bridge between the solar panels and the batteries, ensuring that the energy generated by the panels is effectively stored in the batteries during the day and preventing any reverse current flow during nighttime.

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