A digitally controlled AC to DC power conditioner that draws sinusoidal input current

Henze, C.P.; Mohan, Naveen

doi:10.1109/pesc.1986.7415604

Cited by 69 publications

(17 citation statements)

References 3 publications

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“…PWM converter is one of the solutions for the problems of the converter circuit. [3] the control scheme of the converter circuit of the converter-inverter system. [4] the design method of the converter inverter system based on the loss of controllability and the output harmonic distortion.…”

Section: Introductionmentioning

confidence: 99%

Power Factor Correction Converter for Ac Drives

2017

IJAERD

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Section: Introductionmentioning

confidence: 99%

Power Factor Correction Converter for Ac Drives

2017

IJAERD

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“…However, microcontrollers typically do not have an on-board high-speed ADC nor the computational capability to perform current estimation. A few designs have utilized microcontrollers or other low-end digital processors [6][7][8]. The first implementation by Henze and Mohan [6], reported in the literature in 1986, utilized a multiplying digital-to-analog converter (DAC).…”

Section: Introductionmentioning

confidence: 99%

“…The hybrid control scheme has been realized using a PIC16C782, a 20-pin, 8-bit microcontroller from Microchip [1 [1][2][3][4][5][6][7][8][9][10][11][12]. It has some important peripherals that are suitable for this application such as an ADC, DAC, an operational amplifier (OPA), two analog comparators (C1 and C2) with programmable references, and a programmable switch mode controller module (PSMC) that can be configured as a PWM module.…”

Section: Introductionmentioning

confidence: 99%

Control of a Single-Phase PFC Preregultaor using an 8-bit Microcontroller

Chen

Nelms

2007

APEC 07 - Twenty-Second Annual IEEE Applied Power Electronics Conference and Exposition

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Presented in this paper is a hybrid power factor correction (PFC) preregulator controlled by a single microcontroller. By using the on-board peripherals of this microcontroller, no complex algorithm or external multiplier was required to perform the PFC function correctly, and thus a onechip solution has been achieved. The proposed hybrid PFC preregulator has been tested in the laboratory. The measured power factor was above 0.99, and the output voltage was precisely controlled. Experimental results also indicate that the hybrid PFC preregulator can operate satisfactorily over a range of input voltages and output loads. The results presented in this paper demonstrate that it is possible to implement a high performance PFC preregulator using a single microcontroller without more expensive DSPs or other complicated hardware. Because of the simplicity of the circuit, the proposed PFC preregulator has low cost and high reliability.

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“…Several recent papers discuss different approaches to designing the inner and outer loops. Henze and Mohan [2] use a hysteretic current control loop, and implement the voltage control loop digitally using a simple PI controller, but some modeling aspects are left unclear. Williams [3] designs a controller using the small signal 'transfer function' between commanded input current and output voltage.…”

Section: Introductionmentioning

confidence: 99%

Linear Models for Large Signal Control of High Power Factor AC-DC Converters

Mahabir¹,

Verghese²,

Thottuvelil³

et al. 1989

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This paper shows that the large signal behavior of high power factor ac to dc power conditioners can be analyzed via linear models, by using squared output voltage as the state variable. The state equation for general loads (e.g. constant power plus resistive) is obtained by a simple dynamic power balance. Time invariant or periodically varying controllers, acting at the time scales of the line or switching periods respectively, are then easy to design from the resulting averaged or sampled data models.

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A digitally controlled AC to DC power conditioner that draws sinusoidal input current

Cited by 69 publications

References 3 publications

Power Factor Correction Converter for Ac Drives

Power Factor Correction Converter for Ac Drives

Control of a Single-Phase PFC Preregultaor using an 8-bit Microcontroller

Linear Models for Large Signal Control of High Power Factor AC-DC Converters

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