Hybrid Solar Power Low Frequency Inverter

FTS series 1kw -6kw hybrid solar pure sine wave inverter

     Input interface part: The input part has 3 signals, 12V DC input VIN, work enable voltage ENB and Panel current control signal DIM. VIN is provided by Adapter, ENB voltage is provided by MCU on the main board, its value is 0 or 3V, when ENB=0, the inverter does not work, and when ENB=3V, the inverter is in normal working state; and DIM voltage It is provided by the main board, and its variation range is between 0 and 5V. When different DIM values are fed back to the feedback terminal of the PWM controller, the current provided by the inverter to the load will also be different. The smaller the DIM value, the more current the inverter outputs. the bigger.

    Voltage startup circuit: When ENB is at high level, it outputs high voltage to light the backlight lamp of Panel.

    PWM controller: consists of the following functions: internal reference voltage, error amplifier, oscillator and PWM, overvoltage protection, undervoltage protection, short circuit protection, output transistor.

    DC conversion: A voltage conversion circuit is composed of a MOS switch tube and an energy storage inductor. The input pulse is amplified by a push-pull amplifier and then drives the MOS tube to perform switching action, so that the DC voltage charges and discharges the inductor, so that the other end of the inductor can get AC Voltage.

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