Solar Charge Controller
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Description
Charge Controllers play the most important part in PV systems as they decide the conditioning of raw power from solar panels. These are normally available in two modes of operation, Series and Shunt. There are distinct advantages of both the types. In smaller power system, Shunt versions are found to be efficient and cost-effective. Whatever be the mode of control, these can be either simple on-off type with panel disconnect and reconnect set points or the latest PWM type. The later is found to be extremely efficient in maintaining SOC and life of battery.
By default, all our Charge controllers are of PWM type. On-off versions are available on request.
In higher capacity versions, temperature compensation is provided for better charging of the battery. While charging, battery should not be over-charged and while discharging (supplying current to the loads) it should not be deep discharged. To have these protections, all our controllers come with presets provided on kits to fine tune the requirement depending upon the application and type of battery used. Additional protections against reverse current flow from battery to panel during night, reverse connection of battery or panel and overloads at output are all provided as standard feature.
Some controllers come with built-in LED drivers as well. For systems using LEDs as lighting source, these controllers are cost effective and easy to implement balance of system. This is especially useful for LED based solar street lights.
The charge controllers are available with Dusk to Dawn operation with programmable auto-dimming after a preset time. The time delay for dimming and percentage of dimming can be set as per requirement. This feature saves on cost of panel and battery in stand-alone LED based solar street lighting systems.
To have better efficiency, the drop between PV panel and Battery while charging should be negligible. So also the drop between battery and load while battery being used to supply the power to the load. Additional, quiescent current (NLC) of the controller should be extremely small as it is continuous drain on battery. All our controllers, by default, use MOSFETs with totally circuitry have the lowest quiescent current.
For OEMs, we have all the kits in ready to use form. The kits has easy interconnection features to make connections to Panel, Battery and Load. Terminals and relimates are provided everywhere so that no soldering is needed to implement BOS. Replacement of kit can be done by any non technical person as plug and play arrangement is found everywhere.
Some standard kits are available in moulded housing to be used directly as independent unit.
By default, all our Charge controllers are of PWM type. On-off versions are available on request.
In higher capacity versions, temperature compensation is provided for better charging of the battery. While charging, battery should not be over-charged and while discharging (supplying current to the loads) it should not be deep discharged. To have these protections, all our controllers come with presets provided on kits to fine tune the requirement depending upon the application and type of battery used. Additional protections against reverse current flow from battery to panel during night, reverse connection of battery or panel and overloads at output are all provided as standard feature.
Some controllers come with built-in LED drivers as well. For systems using LEDs as lighting source, these controllers are cost effective and easy to implement balance of system. This is especially useful for LED based solar street lights.
The charge controllers are available with Dusk to Dawn operation with programmable auto-dimming after a preset time. The time delay for dimming and percentage of dimming can be set as per requirement. This feature saves on cost of panel and battery in stand-alone LED based solar street lighting systems.
To have better efficiency, the drop between PV panel and Battery while charging should be negligible. So also the drop between battery and load while battery being used to supply the power to the load. Additional, quiescent current (NLC) of the controller should be extremely small as it is continuous drain on battery. All our controllers, by default, use MOSFETs with totally circuitry have the lowest quiescent current.
For OEMs, we have all the kits in ready to use form. The kits has easy interconnection features to make connections to Panel, Battery and Load. Terminals and relimates are provided everywhere so that no soldering is needed to implement BOS. Replacement of kit can be done by any non technical person as plug and play arrangement is found everywhere.
Some standard kits are available in moulded housing to be used directly as independent unit.
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Solar Charge Controller