Wednesday, October 20, 2010

Solar Charge Controller

olar Charge Controller

A solar charge controller is needed in virtually all solar power systems that utilize batteries. The job of the solar charge controller is to regulate the power going from the solar panels to the batteries. Overcharging batteries will at the least significantly reduce battery life and at worst damage the batteries to the point that they are unusable.
The final function of modern solar charge controllers is preventing reverse-current flow. At night, when solar panels aren’t generating electricity, electricity can actually flow backwards from the batteries through the solar panels, draining the batteries. You’ve worked hard all day using solar power to charge the batteries, you don’t want to waste all that power! The charge controller can detect when no energy is coming from the solar panels and open the circuit, disconnecting the solar panels from the batteries and stopping reverse current flow.



Model of Solar Charge Controller

SCC-01

This SCC-01 Solar controller (also known as an intelligent solar charge controller, PV controller) can intelligently regulate the working voltage of solar panels, letting the solar panels always work at Maximum Power Point of V-A curve. Compared with ordinary solar controllers, MPPT controllers can increase the efficiency of PV modules by 10%-30%. SCC-01 MPPT solar controllers 10A--60A include 12V series, 24V series and 48V series.



MPPT advantage:

An ordinary controller, which makes PV battery work on 12V ,only outputs power of 53W (a general power point); The MPPT controller makes PV battery always work at the maximum power point, thus outputs power of 75W (the maximum power point).



Product features:

1. Applicable to various types of batteries,

2. MPPT function

3. Microprocessor controller pulse width modulation (PWM) charging

4. Temperature sensor battery charging compensation

5. Overload protection (automatic restoration)

6. Overcharge protection

7. Short circuit protection (automatic restoration) ,

8. Thunder protection

9. Reverse discharge protection

10. Reverse polarity connection protection (automatic restoration)

11. Under voltage protection

SCC-02

SCC-02 series solar charge controllers (solar regulator) are of stable quality and high reliability, and can be applied under various worse geological conditions. Its appearance and function design has reached international advanced level. Depending on the types and actual charging situation of the battery,controller series (solar charge regulator, solar battery controller) can provide the fast and best charging voltage and electricity from the PV panel. SCC-02 solar charge controllers are equipped with advanced man-machine interactive function, so the user can adjust the charging voltage. SCC-02 MPPT solar controllers includes 20A~60A with 12~80V





Functions:

1. Overload protection

2. Short circuit protection

3. Converse discharge protection

4. Reverse polarity connection protection

5. Thunder protection

6. Low voltage protection

7. Overcharge protection

8. Batteries stop and charge voltage HVD sets up

9. Charge and low voltage LCD sets up

10. Display the capability of the battery SOC

11. Loads and comeback setups.

12. Intellectualized temperature compensation

13. Record and calculate the charged AH and display it on the LCD screen.

14. Record and calculate the discharged AH and display it on the LCD screen.

15. CPU control and LCD-display

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