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Select the type of controller for solar panel
Controller Solar Panel - one of the most important parts of solar power, it determines the battery life, the amount of usable energy that we will take with us solar module, and as a result, the efficiency of the entire sistemy.Osnovnaya function controller solar panel - this is the correct charging of battery batarey.Segodnya the market is full of cheap Chinese controllers whose quality is far from perfect, so the choice of the controller of the solar panel should be taken very seriously. Let's look at the main types of controllers
MPPT controllers - the latest generation of controllers, charge with the best technology of extraction of energy from the photo module. MPPT stands for (Maximum power point tracker) - tracking the maximum power point. MPPT controller continuously monitors the voltage and current that charges the battery, perenozhaet their values and selects a pair of "current-voltage" for which the power of solar panels will be maximum. Thus, using MPPT controllers, we obtain from the solar battery to 15-30% more energy than the use of a simple controller. Maximum power point controller calculates this: He consistently reduces stress from idle solar module to the voltage at the battery and calculates a pair of "current * voltage". the biggest pair of "current * voltage" - this is the point of maximum power.
kontrollery- PWM stands for PWM . This type of controller charges the battery in several stages
Charging the maximum current for the battery (current is often exhibited in the controller menu and should not exceed 1/10 of the battery capacity)
PWM charge: When the battery voltage reaches a certain level controller starts to maintain a constant voltage through PWM charging current. Due to this, prevents heating and gas formation in the battery. Further, as the battery charging, the current gradually decreases
Supporting charge - when AB is fully charged, the controller reduces the charging voltage and maintains the battery in a charged state
ON / OF - The simplest type of controller, it simply disables solar panel from the battery when the voltage has reached the upper threshold (at this point the battery is charged only 75%) and connects the solar panel to the battery when the voltage has reached the lower threshold