Solar Panels Controllers for Poly-Crystalline 245W 156*156 Solar Modules

Solar Panels Controllers for Poly-Crystalline 245W 156*156 Solar Modules

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Solar Module Descriptions:

Solar Power Modules (known as Photovoltaics - PV) can generate electricity for your home or business, either as part of a stand-alone solar power system, or for buildings already connected to the local electricity network.

PV systems use the most abundant energy source on the planet, solar radiation, to generate electricity. They are silent, consume no fuel and generate no pollution. They also contribute to the reduction of greenhouse gas emissions; a 2kW PV system on a house will prevent the emission of about 40 tonnes of CO2 during its projected 30 year lifetime. Furthermore, the use of PV will reduce your electricity bills and exposure to fluctuating and steadily rising electricity prices.

Solar Modulels Poly-crystalline 245W 156*156 Module

Electrical Characteristics

Max-power (W)	245
Max-Power Voltage (V)	30.40
Max-Power Current (A)	8.06
Open-Circuit Voltage (V)	37.50
Short-Circuit Current (A)	8.66

Mechanical Characteristics

Cable type, Diameter and Length	4mm^2, TUV certified, 1000mm
Type of Connector	Compatible with MC4 plug
Arrangement of cells	6*10
Cell Size	156*156
Dimension	1580106945
Weight	19.5Kg
Glass, Type and Thickness	High Transmission, Low Iron, Tempered Glass 3.2mm

Features

Guaranteed positive tolerance 0/+5w ensures power output reliability
Strong aluminum frames module can bear snow loads up to 5400Pa and wind loads up to 2400Pa.
Excellent performance under low light environments (mornings evenings and cloudy days)
12 years for product defects in materials and workmanship and 25 years for 80% of warranted minimum power.
Certifications and standards: IEC 61215.
Manufactured according to International Quality and Environment Management System (ISO9001, ISO14100).

FAQ

Q: Do you have any MOQ limit?

Our MOQ is 200 pieces.

Q: How long is the warranty period for the solar modules?

15 years 90% of its nominal power rating.

25 years 80% of its nominal power rating

Q: What is PV & how does it work?

PV stands for photovoltaic. Photo = Light and Voltaic = Electricity. A solar cell converts light to electricity.

A solar cell is made of silicon. Computer chips are made of this same material. Basically, when light strikes the surface of a solar cell some of it is absorbed into the silicon. This light energy bumps the electrons loose and causes energy to flow.

By packaging approximately 36 solar cells together a solar panel or a solar module is created. When you have more then one solar panels you create a solar array.

Q: Can a solar controller be used with a battery bank that is being charged from other sources (e.g., grid, generator)?: Yes, a solar controller can be used with a battery bank that is being charged from other sources. The solar controller will regulate the charging process and ensure that the battery bank is not overcharged, regardless of whether the charging source is solar panels, the grid, or a generator.

Q: How does a solar controller prevent damage to the solar panels from lightning strikes?: A solar controller typically includes built-in surge protection devices that help prevent damage to solar panels from lightning strikes. These surge protection devices divert the excess electrical energy caused by lightning strikes away from the solar panels, protecting them from potential damage.

Q: Can a solar controller be used with solar-powered indoor communication systems?: Yes, a solar controller can be used with solar-powered indoor communication systems. A solar controller helps regulate and optimize the charging process of the solar panels, ensuring efficient power conversion and storage. Whether the communication system is installed indoors or outdoors, a solar controller is essential in managing the power supply and protecting the batteries from overcharging or discharging.

Q: How does a solar controller regulate the charging and discharging of batteries?: A solar controller regulates the charging and discharging of batteries by monitoring the voltage and current output from the solar panels. It ensures that the batteries are charged efficiently by adjusting the amount of energy being transferred from the solar panels to the batteries. Additionally, the solar controller prevents overcharging by limiting the voltage supplied to the batteries, and it also prevents deep discharging by disconnecting the load when the battery voltage drops below a certain level. Overall, the solar controller acts as a protective device that optimizes the charging and discharging process to maximize battery life and performance.

Q: How do I calculate the required charging current for a solar controller?: To calculate the required charging current for a solar controller, you need to consider a few factors. Firstly, you will need to determine the capacity of the battery you are using. This is usually measured in ampere-hours (Ah) and can be found on the battery label or specification sheet. Next, you need to determine the desired charging time for the battery. For example, if you want to fully charge the battery within 5 hours, you would divide the battery capacity by 5. Once you have the desired charging time, you can calculate the required charging current by dividing the battery capacity by the charging time in hours. For example, if you have a battery with a capacity of 100Ah and you want to fully charge it in 5 hours, the required charging current would be 100Ah / 5h = 20A. It is important to note that the solar controller should have a rated charging current equal to or higher than the calculated required charging current to ensure efficient and safe charging of the battery. Additionally, it is recommended to add a safety margin of around 10-20% to account for any inefficiencies or variations in solar conditions.

Q: How does a solar controller prevent thermal runaway in batteries?: A solar controller prevents thermal runaway in batteries by monitoring and regulating the charging process. It ensures that the battery is charged at the optimal voltage and current levels, preventing overcharging or over-discharging. By maintaining a stable charging rate, the solar controller prevents excessive heat buildup in the battery, which is a common cause of thermal runaway.

Q: Can a solar controller be used in a solar-powered oil rig?: Yes, a solar controller can be used in a solar-powered oil rig. A solar controller is designed to regulate the charging and discharging of batteries in a solar power system, ensuring efficient and safe operation. In a solar-powered oil rig, the solar controller would play a crucial role in managing the charging and storage of energy generated by the solar panels, which can then be utilized for powering various equipment and systems on the rig.

Q: How do you test the functionality of a solar controller?: To test the functionality of a solar controller, you can follow these steps: 1. Connect the solar controller to a solar panel and a battery bank, ensuring all connections are secure and properly wired. 2. Verify that the solar controller is receiving power from the solar panel by checking the LED indicators or digital display, if available. 3. Monitor the charge status of the battery bank to ensure the solar controller is effectively regulating the charging process. The battery should show an increasing charge level over time. 4. Test the different charging modes and settings of the solar controller, such as bulk, float, or equalization charging, to ensure they function correctly. 5. Measure the voltage output of the solar controller to confirm it matches the expected values for the specific battery bank. 6. If applicable, test any additional features of the solar controller, such as load control or temperature compensation, to ensure they are operating as intended. 7. Observe the controller's behavior during different weather conditions, such as low light or cloudy skies, to assess its ability to adjust charging parameters accordingly. 8. Finally, compare the solar controller's performance with the manufacturer's specifications to ensure it meets the expected standards. By following this testing process, you can evaluate the functionality and performance of a solar controller and ensure its proper operation in a solar power system.

Q: Can a solar controller be used with both 12V and 24V systems?: Yes, a solar controller can be used with both 12V and 24V systems. Most modern solar controllers are designed to be compatible with multiple voltage systems and have the ability to automatically adjust their settings based on the voltage of the system they are connected to.

Q: How does a solar controller handle voltage drops in the wiring system?: A solar controller can handle voltage drops in the wiring system by employing various techniques. One of the primary functions of a solar controller is to regulate and optimize the charging process of the solar panels to the batteries. When there is a voltage drop in the wiring system, the solar controller continuously monitors the battery voltage and adjusts the charge current accordingly. It compensates for the voltage drop by increasing the charge current to maintain the required charging voltage at the battery terminals. This ensures that the battery receives the necessary charge despite the voltage drop. Moreover, solar controllers often feature a charge compensation mechanism that accounts for the voltage drops caused by high resistance or long wire runs. This compensation can be achieved through techniques such as pulse width modulation (PWM) or maximum power point tracking (MPPT). PWM controllers adjust the charging current by rapidly switching the connection between the solar panels and the batteries. This helps to maintain a consistent charge voltage even when there are voltage drops in the wiring system. MPPT controllers, on the other hand, optimize the charge current by dynamically tracking the maximum power point of the solar panels, ensuring efficient charging regardless of voltage drops. In summary, a solar controller handles voltage drops in the wiring system by monitoring the battery voltage, adjusting the charge current, and employing compensation techniques such as PWM or MPPT. These features ensure that the batteries receive the required charge even when there are voltage drops in the wiring system.

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