A simple indirect voltage sensing method for line-connected inverters

Becker, F.; Scherer, A.; Weigold, Joerg; Braun, Michael

doi:10.1109/epe.2007.4417462

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…In principle the current slope could be identified by the difference of two consecutive measured values, preferably to the beginning and the end of one switching state [15]. Because of error in measurement caused by e.g.…”

Section: Identification Of the Parameter Of Thementioning

confidence: 99%

An improved adaptive current control for d.c.-d.c. converters based on current slope detection

Becker

Lannert

Braun

2010

2010 IEEE International Conference on Industrial Technology

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This paper presents a predictive one-step current control scheme for d.c.-d.c. converters with a generic RLE load. In avoidance of the parameter sensitivity of the controller, a permanent identification of the controlled system will be used, so that there is also no need of knowledge of the control parameters like the inductance, resistance and d.c.-link voltage. Only current measurement is necessary. The identification needs no additional test pulses, instead it uses the current response caused by the alternation of the switching states of the d.c.-d.c. converter with a standard pulse-width modulation (PWM). It will be shown that this control is suitable for four-quadrant operation. Furthermore it needs no superposed control circuit for the regulation of the mean value of the current.

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Section: Identification Of the Parameter Of Thementioning

confidence: 99%

An improved adaptive current control for d.c.-d.c. converters based on current slope detection

Becker

Lannert

Braun

2010

2010 IEEE International Conference on Industrial Technology

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“…4). This allows the independent control of the active and reactive power generating currents i ed0 and i eq0 with a pair of PI-controllers (see [18], [19]). A feed forward decoupling is used to eliminate the cross-coupling.…”

Section: E Energy and Input Current Controlmentioning

confidence: 99%

Fully decoupled current control and energy balancing of the Modular Multilevel Matrix Converter

Kammerer

Kolb

Braun

2012

2012 15th International Power Electronics and Motion Control Conference (EPE/PEMC)

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Abstract-The Modular Multilevel Matrix Converter (M3C) is a Modular Multilevel Converter topology which is suitable for high power low speed drive applications. This paper presents a fully decoupled current control which allows an independent input, output and internal balancing current control. To equalize the energy stored in the nine converter arms, an energy and balancing control is presented which includes average, horizontal, vertical and diagonal balancing control loops. Simulation results are used to verify the function of the M3C together with an induction motor drive system. Additionally, the proper function of the recently constructed arm PCB working as single phase multilevel STATCOM is presented. This PCB will be used for each arm in the laboratory prototype of the M3C in the near future.

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Straightforward Current Control – One Step Controller based on Current Slope Detection

2012

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A simple indirect voltage sensing method for line-connected inverters

Cited by 3 publications

References 4 publications

An improved adaptive current control for d.c.-d.c. converters based on current slope detection

An improved adaptive current control for d.c.-d.c. converters based on current slope detection

Fully decoupled current control and energy balancing of the Modular Multilevel Matrix Converter

Straightforward Current Control – One Step Controller based on Current Slope Detection

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