ماژول کنترلر پنل خورشیدی MPPT 5A بدون نمایشگر
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تاریخ تقریبی موجودی:
MPPT solar controller panel 5A DC-DC buck module constant voltage constant current charging
Module Name: 5A Buck Constant Voltage Constant Current MPPT
Module nature: non-isolated buck module (BUCK)
Input voltage: 6-36V
Output voltage: 1.25-32V continuously adjustable,
MPPT voltage setting range: 6-36V
Output constant current range: 0.05-5A, long working current recommended within 3A
Output turn lamp range: 0.01-5A (default turn lamp current is 0.3A)
Operating temperature: -40 ~ +85 degrees
Operating frequency: 180KHz
Conversion efficiency: up to 95% (efficiency and input, output voltage, current, pressure related)
Short circuit protection: Yes (limit current is set constant current value)
Over-temperature protection: Yes (over-temperature automatically turn off the output)
Input Reverse Protection: None, (if required, enter the string into the diode)
Output anti-anti-irrigation protection: no, the output must be added to the battery anti-anti-diode, or will burn the module
charging: red light
full charge: green
In the use of solar panels power supply, the sun hour charging current is also very small, lower than the turn light current, the same will light green, but this time not full, please pay attention to distinguish. With the charged meter head will be more direct to see the charging current.
Wiring method: terminal (with the shell when the wire output) IN for the input, OUT for the output
Module size: length 60mm wide 31mm high 22mm (excluding the head)
Note: The module current detection for the low-end detection, please do not input the negative and the output of the negative directly connected with a short wire!
1, DIY a power supply, with constant current function, not afraid of the use of the process will be short-circuit, you can protect the load.
2, for your electronic equipment power supply.
3, for a variety of battery charging, according to different voltage and capacity of the battery set the charging voltage and charging current, with charging instructions, easy to observe the state of charge.
4, with solar panels for a variety of battery charging, with MPPT function, can enhance the charging current more than doubled. With constant current function, to prevent the battery overcharge, the effective protection of the battery.
5, drive high-power LED, free serial and parallel combination,
6, as a car power supply for your mobile phone or a variety of digital products.
If the module has no output voltage, please set the MPPT potentiometer clockwise to the voltage output.
1, set the output voltage: according to the battery you want to charge the float voltage, or string, parallel to the LED voltage, adjust the constant voltage potentiometer (CV), the output voltage is set to the required voltage. (Without load)
2, set the turn-out current instructions: set the output voltage, the CC potentiometer counterclockwise 20 laps or so, with a multimeter 20A current short-circuit output, adjust the CC potentiometer to you need to turn the lamp current, Light electric potentiometer, transferred to just light green light so far.
3, set a constant current value: tune the turn-on lamp current, the multimeter 20A current file is still short-circuit output, (with voltage, ammeter direct wire short-circuit output can) adjust the CC potentiometer to the current value you need to set. (When using the short-circuit method to set the output current, the actual charging current will be smaller than the short-circuit setting current, the battery should have the remaining voltage, if you want to set the exact charging current, please use the battery connected to the output And then set the output current.)
Note: constant current set when the voltage is higher than 1.25V, otherwise the constant current function will be invalid.
4, set the MPPT voltage:
A, with adjustable power supply set method: the adjustable power supply to set the voltage value (such as 18V), the output is not connected to the load, the module has an output voltage, counterclockwise MPPT Set the potentiometer to the output voltage just lower the critical point can be.
B, with solar panels directly set the method: input directly connected to the solar panels, according to the load set the output voltage, shade in the solar panels on the part of the light, the output load. Multimeter to measure the output voltage of the solar panel (with the voltage meter cut to the input voltage display), adjust the MPPT potentiometer to the solar panel voltage to the maximum power point voltage so far. (Solar panel actual maximum power point voltage will be lower than the nominal voltage, such as 18V solar panels, the maximum power point will be 17.5V or so,) can also be used to measure the output current MPPT value, the multimeter current file string into Between the output and the load (with the head of the switch can be switched to the current display), call back the MPPT potentiometer to the output current to the maximum.
Note: When using solar panels to adjust the MPPT value directly, when the power of the solar panel is greater than the load power, please block some of the light on the board to reduce the power of the solar panel, so as to align the MPPT value.