GST-150D /200D /300D

Characters

1. Max innovation point is MPPT which can improve the solar system power efficiency and high transfer efficiency

2. Whole protect functions: short-circuit, anti-contact, charge, over voltage protect functions

3. LCD display show and warn of the battery voltage,battery temperature,output current and charging current

4. Strong charging, balanced charging, floating three-step MPPT method to ensure battery best statues to extend battery’s life.

5. Temperature compensation function which can do temperature compensation of battery to extend battery life.

6. Flexible using method can set the system specifications.

7. RS232 communication connection port to do long distance control.

Production description

Controller is used in solar generation system by transfer solar energy to electricity of solar panels and storing in battery. After DC/DC transfer, charging circuit and main control circuit using, controllers do auto charging management of battery and MPPT tracking of solar panels to make high efficiency of solar energy.

Technical parameter

Rated voltage(V)： 48

Max open circuit voltage(V)： 140

MPPT voltage range(V)： 70-120

Rated currency(A)： 150 /200 /300

Max solar module power(kWP)： 7.8 /10.2 /15.6

Charging loop：3 /4 /6

Max current of each solar array(A)：50

MPPT Max efficiency point： 99%

Over charging point of battery： 64

Unload current(mA)：<50

Temperature compensation： -5mv/cell/℃(optional)

Display： LCD

Display content：Battery voltage, solar voltage, load current, charging current, battery capacity, charging mode and so on

Communication interface (standard)： RS485

Light protection set(standard)： Varistor lightning protection

Protection function： Charging, low voltage, over voltage, over load, short circuit, reverse polarity, light protection

Protection level： IP20(indoor)/IP54(outdoor)

Noisy(dB/m)：≤50

Operating environment temperature(℃)： -10 ~+50

Storage environment temperature(℃)：-25 ~+55

Operating environment humidity： 0 ~95%(no condensing)

Altitude ： ≤5000( over1000m reducing use)

Dimension(d\w\h mm)：520*550*1050

Reference weight(Kg)：120