A 2.5kW prototype of a transistor converter with the digital control system based on STM32 with the software PLL was implemented and the experimental results confirmed the high accuracy of the PLL setting the phase synchronization. Conferences > 2021 12th International Sympo...
The proposed PLL system provides high accuracy of the phase synchronization between the output voltage and the output current of the high-frequency converters. In the paper, the structure of a digital control system based on an STM32 microcontroller with the software PLL is presented.
This design adopts STM32F407 single-chip microcomputer as the main control chip, adopts full-bridge inverter two-stage conversion, and obtains an ideal sinusoidal power supply, and has various protection functions. The external keyboard and liquid crystal display of the system have good human-computer interaction. II. SYSTEM DESIGN
A prototype has been realized and a fully digital control algorithm, including power management for grid-connected operation and an MPPT (maximum power point tracking) algorithm, has been implemented on a dedicated control board, equipped with a latest generation 32-bit (STM32F103xx) microprocessor. Figure 1. Table 1. Table 2. Table 3. Table 4.
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Today''s international advanced frequency conversion power supply is adoptedIGBT inverter output technology, high-performance precision power supply designed …
This paper presents an inexpensive and high-performance STM32-based software phase-locked loop (PLL) for series-resonant inverters in induction heating equipment. The …
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Generate 3 phase signal through SPWM with 120 degrees of phase diffence. The frequency, phase and amplitude should be controlled through digital buttons.
The system adopts a high-frequency inverter solution, that is, a structure of front-stage boost and rear-stage inverter, which can avoid the use of bulky power frequency …
I am designing a SiC inverter for a Formula SAE student team, using a 72MHz STM32F302CC with the motor control library. The desired switching frequency is 50-100kHz, …
I am designing a SiC inverter using a 72MHz STM32F302CC with the STM32 motor control library. The desired switching frequency is 50-100kHz, depending on the device …
The system adopts a high-frequency inverter solution, that is, a structure of front-stage boost and rear-stage inverter, which can avoid the use of bulky power frequency …
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