• Solar Modules Poly-crystalline 250W 156*156 Module System 1
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  • Solar Modules Poly-crystalline 250W 156*156 Module System 3
Solar Modules Poly-crystalline 250W 156*156 Module

Solar Modules Poly-crystalline 250W 156*156 Module

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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.

 

 

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

4mm2, TUV certified, 1000mm

Type of Connector

Compatible with MC4 plug

Arrangement of cells

6*10

Cell Size

156*156

Dimension

1580*1069*45

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: What kind of loads can I run on PV?

With a correctly designed PV system you can power almost any electrical load. However, as the load size increases the expense also increases. Loads like hot water heaters, air conditioners, room heaters and electric stoves should be avoided. The added cost of trying to power loads like these is very cost prohibitive. If these loads have to be powered it will be a lot less expensive to change the appliance to use an alternative fuel type like propane.

Q: When do I need a charge controller and why?

The safest way to figure out if you need a charge controller is to take Battery Amp Hour Capacity and divide this by the Solar Panel max. power amp rating. If the quotient is above 200, you don't need a controller. If the number is less than 200 than you need a controller.

For example if you have a 100 amp hour battery and a 10 watt panel, you take 100 and divide it by .6 (600mA) and you get 166.6. Since this is less than 200 you need a charge controller. If you have a five-watt panel in the above example you take 100 divided by .3 (300mA) and you come up with 333.3. Since this is larger than 200 you do not need a charge controller. However you still need a blocking diode, to prevent the battery from discharging to the panel at night. So as a general rule of thumb you don't need a charge controller unless you have more than five watts of solar for every 100-amp hours of battery capacity.

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 solar panels that are connected in parallel?
Solar panels that are connected in parallel can indeed be used with a solar controller. In this configuration, the positive terminals of all the panels are connected together, as are the negative terminals. This setup allows for the combined voltage output of the panels while maintaining the same current output. The purpose of a solar controller is to regulate the charging process of batteries that are connected to the solar panels. It serves to prevent overcharging and damage to the batteries. To do so, the solar controller measures the voltage and current from the panels and adjusts the charging process accordingly. Regardless of whether the solar panels are connected in series or parallel, the solar controller can effectively monitor and regulate the charging process. It will measure the combined voltage and current from the parallel-connected panels and adjust the charging parameters accordingly. However, when connecting solar panels in parallel, it is crucial to ensure that the solar controller and the wiring used can handle the increased current. The total current output of the parallel-connected panels will be the sum of the individual panel currents, so the wiring and solar controller must be capable of handling this increased load. To conclude, solar panels connected in parallel can be used with a solar controller. The solar controller will continue to effectively regulate the charging process while ensuring optimal battery performance and longevity.
Q:How does a solar controller prevent overcharging of batteries?
A solar controller prevents overcharging of batteries by regulating the flow of electricity from the solar panels to the batteries. It continuously monitors the battery voltage and adjusts the charging current accordingly, ensuring that the batteries are charged at the optimal level and preventing any excess energy from damaging the batteries due to overcharging.
Q:Do solar controllers require any maintenance?
Yes, solar controllers typically require some maintenance. This can include regularly checking and cleaning the panels, ensuring proper wiring connections, and occasionally replacing or repairing any damaged components. Regular maintenance helps to ensure optimal performance and longevity of the solar controller.
Q:How do PWM solar controllers differ from MPPT controllers?
PWM solar controllers and MPPT controllers are both types of charge controllers used in solar panel systems. However, they differ in their operation and efficiency. PWM (Pulse Width Modulation) controllers regulate the charging of batteries by rapidly switching the solar panel's output on and off. They work by reducing the voltage from the solar panels to match the battery voltage. While PWM controllers are cost-effective and simple to use, they are less efficient compared to MPPT controllers. On the other hand, MPPT (Maximum Power Point Tracking) controllers are more advanced and efficient. They use a more complex algorithm to continuously track the maximum power point of the solar panels, allowing them to extract the maximum available power from the panels and convert it to the appropriate voltage for the batteries. This results in higher charging efficiency, especially in situations where the solar panel voltage is higher than the battery voltage. In summary, PWM controllers are simpler and less expensive, but less efficient. MPPT controllers are more advanced, efficient, and can maximize the power output of the solar panels, making them a better choice for larger or more complex solar panel systems.
Q:Can a solar controller be used with a solar-powered remote monitoring system?
Yes, a solar controller can be used with a solar-powered remote monitoring system. A solar controller is designed to regulate the charging of batteries in a solar power system, ensuring efficient utilization of solar energy. By using a solar controller, the remote monitoring system can effectively manage and optimize the power supply from solar panels, enabling continuous operation and reliable performance.
Q:What is the purpose of the battery low voltage disconnect feature on a solar controller?
The purpose of the battery low voltage disconnect feature on a solar controller is to protect the battery from being over-discharged. It automatically cuts off the power supply to prevent the battery voltage from dropping to a critically low level, which could damage the battery and reduce its lifespan. This feature ensures that the battery remains in a safe operating range and helps to prolong its overall efficiency and performance.
Q:Can a solar controller be used with solar panels of different technologies (e.g., monocrystalline, polycrystalline)?
Yes, a solar controller can be used with solar panels of different technologies such as monocrystalline and polycrystalline. Solar controllers are designed to regulate the charging process and manage the power flow from the solar panels to the battery or load. They are compatible with various types of solar panels and can efficiently handle the different voltages and currents produced by different technologies.
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 charge of the battery bank when the solar panels are generating electricity, while also managing the output of the wind turbine to ensure the batteries are charged efficiently. By combining solar and wind energy sources, a hybrid system can maximize renewable energy production and provide a more reliable power supply.
Q:How does a solar controller handle variations in solar panel current?
A solar controller handles variations in solar panel current by regulating and optimizing the flow of electricity from the solar panels to the batteries or electrical loads. It constantly monitors the current output of the solar panels and adjusts the voltage and current accordingly to ensure efficient charging and prevent overcharging or damage to the batteries. The controller uses various control mechanisms like pulse width modulation (PWM) or maximum power point tracking (MPPT) to maintain a steady and optimal flow of current, even when there are fluctuations in solar panel output due to factors like shading, temperature changes, or varying sunlight intensity.
Q:How the solar controller wiring,
Open the panel below the lid, which has a post, there are marked, facing the annotation is what to pick on the line!

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