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  • Solar-Charge-Controllers
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Solar-Charge-Controllers

The charge controller is a key component of a solar power system and specifying the best one for the system requires some analysis.

The two types of charge controllers most commonly used in today’s solar power systems are pulse width modulation (PWM) and maximum power point tracking (MPPT). Both adjust charging rates depending on the battery's charge level to allow charging closer to the battery’s maximum capacity as well as monitor battery temperature to prevent overheating.

GEESYS MPPT solar controller with Microcontroller technology is an advanced maximum power point tracking (MPPT) battery charger for off-grid photovoltaic(PV) systems. The controller features a smart tracking algorithm that maximizes the energy harvest from the PV and also provides load control to prevent over discharge of the battery.

The GEESYS MPPT is well suited for both professional and consumer PV applications including automatic lighting control. Its charging process has been optimized for long battery life and improved system performance. This product is epoxy encapsulated for environmental protection, may be adjusted by the user via four settings switches or connection to a personal computer, and has an optional remote meter and battery temperature sensor.

Series: String Shield
Dispatches: Between 10-15 Days
Price: INR 25000/-* Onwards
Solar Charge Controllers
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Introduction

In solar power system, charge controller is the heart of the system which was designed to protect the rechargeable battery.

The PWM controller is in essence a switch that connects a solar array to the battery. The result is that the voltage of the array will be pulled down to near that of the battery.

A solar charge controller regulates the voltage and current coming from your solar panels which is placed between a solar panel and a battery .It is used to maintain the proper charging voltage on the batteries. As the input voltage from the solar panel rises, the charge controller regulates the charge to the batteries preventing any overcharging.

Pulse Width Modulation (PWM) is the most effective means to achieve constant voltage battery charging by adjusting the duty ratio of the switches ( MOSFET ). In PWM charge controller, the current from the solar panel tapers according to the battery’s condition and recharging needs. When a battery voltage reaches the regulation set point, the PWM algorithm slowly reduces the charging current to avoid heating and gassing of the battery, yet the charging continues to return the maximum amount of energy to the battery in the shortest time.

  • PWM 12V, (3 – 60)A Charge Controller
  • PWM 24V, (3 – 60)A Charge Controller
  • PWM 36V, (10 – 60)A Charge Controller
  • PWM 48V, (10 – 80)A Charge Controller
  • PWM 96V, (10 – 80)A Charge Controller
  • PWM 120V, (10 – 80)A Charge Controller
  • PWM 240V, (10 – 80)A Charge Controller
  • PWM 360V, (10 – 80)A Charge Controller

Features

  • Higher charging efficiency
  • Longer battery life
  • Reduce battery over heating
  • Minimizes stress on the battery
  • Ability to isolate a battery

Technical Specifications

 Parameters 

 GSGC12V 

 GSGC24V 

 Min PV Input Voltage    14.5V  28.0V
 Max PV Input Voltage   25.0V  50.0V
 Operating Voltage   12.0V   24.0V 
Grid Stop Charging Voltage   13.6V   27.6V
 Grid Start Charging Voltage     11.6V  23.2V
 Low Voltage Battery Cut-Off    10.5V  21.0V
 Rated Current  10A - 50A
 LCD Display (Optional)   V, I of Solar PV and Battery, Solar Power & Energy
 MPPT   Yes
Protections

1. Battery Over Voltage/Current

2. Battery & Panel Reverse Protection

Applications

Documents

Catalogue Format Size Date
 Solar Charge Controller PDF 302.5kB 21Jun2019
User Guide
 Warranty Terms & Conditions  PDF  326.2kB  21Jun2019

FAQ

1.Do you need fuse between solar panel and charge controller?

Generally no breaker or fuse is needed between the PV array and charge controller because the wire must be sized to carry the largest possible current anyway. A disconnect, which may be a breaker, is needed for service and a ground fault breaker that also disconnects the PV array is required by the NEC.

2.Why do I need a load connection on a charge controller?

The load connection is there for turning loads on after dusk/ before dawn. This is generally used for lighting.

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