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72V/25A Solar PWM Controller for Solar Power System

  • BWC-P25A-72V
  • Yangzhou
  • 8543709990
  • Yangzhou, China
  • 10000PCS/Year
  • L/C, T/T, Western Union, Money Gram

The intelligent control is realized by using single chip microcomputer and special software.

Accurate discharge control using battery discharge rate correction. Discharge terminal voltage is the control point corrected by discharge rate curve, which eliminates the inaccuracy of single voltage control over discharge and conforms to the inherent characteristics of the battery, that is, different discharge rates have different terminal voltage.

Full automatic control with overcharge, overdischarge, electronic short circuit, overload protection, and unique anti-reverse protection; Above protection does not damage any parts, does not burn insurance;

The serial PWM charging main circuit is adopted to reduce the voltage loss of the charging circuit by nearly half compared with the charging circuit using diode, and the charging efficiency is higher than that of non-pwm by 3% to 6%, which increases the power consumption time. Lifting charge after overdischarge recovery, normal direct charge and automatic control of floating charge make the system with longer service life; It also has high precision temperature compensation.

Direct LED light emitting tube indicates the current battery status to let users know the usage status;

All controls are made of industrial-grade chips (only with I industrial-grade controllers) and can operate freely in cold, hot and humid environments. The crystal timing control is also used and the timing control is accurate.

The setting point of potentiometer adjustment control is cancelled, and the working control points are recorded by E square memory, so that the setting is digitized, and the factors of accuracy and reliability are eliminated because of the deviation of vibration and temperature drift of potentiometer.

With digital LED display and setting, all Settings can be completed by one-click operation, which is extremely convenient and intuitive to use.

Fully sealed waterproof type (-s) has complete waterproof and moisture-proof performance.

Technical indicators
Rated current 25A
Rated voltage 72V
No-load loss <15mA
panel voltage <=180V
The overpressure protection 99.0V±1%
The overpressure to restore 90.0V±1%
Balanced charging voltage 87.6V±1%
Lifting voltage 86.4V±1%
Floating charge voltage 82.8V±1%
Charging return voltage 79.8V±1%
Over voltage protection 66.6V±1%
Overdischarge return voltage 76.8V±1%
Night identification voltage 18V±1%
Daytime identification voltage 42V±1%
Temperature compensation -4.0mv/ºC/2V
Over-load, short circuit protection 1.25x rated current 30S; Short circuit protection of rated current at 1.5 times the rated current at 10S overload protection action at 3 times or more
Work temperature -25ºC To +60ºC
Protection degree IP30
Outline size 150mm*135mm*63mm
weight 1.15kg

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