AC/DC hybrid Solar street light controller SR-LE
1.AC/DC switching over automatically.
2.Soft switching, OMS time-delay function.
AC/DC hybrid series(SR-LE)
1. AC/DC switching over automatically.
2. Soft switching, OMS time-delay function.
3. Various protections.
4. Independent loop, charging circuit voltage drop is less than or equal to 0.20V.
5. Intelligent regulation the depth of discharge by storage battery according to the utility power supply situation.
Model | SR-E series | |
rated charging current | 5A ,10A ,15A ,20A(Optional) | |
Rated discharging current | 5A ,10A ,15A ,20A(Optional) | |
Working Voltage | 12V ;24V ;12V/24V Auto | |
No load losses | <5mA; | |
Charging circuit voltage drop | Less than or equal to 0.20V | |
Discharge circuit voltage drop | Less than or equal to 0.15V | |
Over voltage protection | 17V;×2/24V; | |
boost charge voltage | 14.6V; ×2/24V (time of duration: 30 minutes) used every 7 days or when the battery is over discharged | |
Direct charge voltage | 14.4V;×2/24V (time of duration: 30 minutes) | |
Float charge voltage | 13.6V;×2/24V | |
Charge recover voltage | 13.2V;×2/24V | |
Over discharge recover voltage | 12.5V;×2/24V | |
Lower voltage indication | 12.0V;×2/24V | |
Over discharge voltage | 11.1V;×2/24V | |
Temperature compensation | -4.0mV/°C/2V(boost voltage, direct charge, float charge and charge return voltage compensation) | |
Control method | PWM Smart Charging | |
Working temperature | From -35°C to +65°C; | |
Over-load and short circuit protection | Over-load protection: when the current of controller is 1.25 times of the rated current, the controller works for 30 seconds; 1.5 times of rated current, works for 5 seconds Short circuit protection: when the current of controller is more than or equal to 3 times of rated current, the protection starts. | |
Circuit protection | Over-charge, over-discharge, short circuit and over-load protection | All the protections are harmless to any parts and fuse of controller |
Anti- connection-reverse protection for solar battery and storage battery. |
Solar street light system controller solution