Multifunctional modular multilevel converter-based systems bottom-up approach to system design

Gagic, Mladen; Hailu, Tsegay; Ferreira, J.A.

doi:10.1109/ipemc.2016.7512414

Cited by 5 publications

(4 citation statements)

References 31 publications

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“…The sPWM generator, as described in this article, is specifically developed for the project described in [6], [13], [19], and [30]. The architecture was therefore implemented on an FPGA with a clock frequency of 100 MHz, as it would be powerful enough to create an sPWM signal based on a f c = 24.4 kHz and f m = 1.983 kHz.…”

Section: Dead Time Insertermentioning

confidence: 99%

“…Utilizing additional frequencies in multilevel modular converter topologies was proposed in [2] resulting in the development of multifunctional multilevel modular converter (M3C) systems. Several challenges were identified in the development, most notable are optimal control strategy [3]- [5], potential EMI issues, and module interactions [6]. Investigations in the generated EMI remain difficult, due to the complexity of the total system and the dependence on (often unpredictable) parasitics [7]- [9].…”

Section: Introductionmentioning

confidence: 99%

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Simulink-Based FPGA Control for EMI Investigations of Power Electronic Systems

Moonen

Vogt-Ardatjew

Leferink

2021

IEEE Trans. Electromagn. Compat.

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Control schemes applying sinusoidal pulsewidth (sPWM) have been widely employed in power conversion solutions. With the development of the future smart grid, more capabilities of the converters are required introducing additional electromagnetic interference (EMI) control measures. In this article, a MATLAB controllable sPWM generator has been developed to optimize electromagnetic compatibility. The field-programmable gate array running at 100 MHz is capable of producing simultaneous and synchronous control signals for 16 power electronic switches. Six flexible control parameters have been implemented, which allow the controller to be tuned to a large number of applications and investigate several EMI mitigation techniques and investigate the disturbance dependence on operational parameters. As an example, the detrimental dead time effect is shown, with a variation in emissions of 10-20 dB in the frequency range of 50 kHz to 50 MHz. Highest experimentally tested switching frequencies have been recorded at 2 MHz with resulting sinusoidal waveforms from 50 Hz to 250 kHz.

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Section: Dead Time Insertermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Simulink-Based FPGA Control for EMI Investigations of Power Electronic Systems

Moonen

Vogt-Ardatjew

Leferink

2021

IEEE Trans. Electromagn. Compat.

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“…By applying the principle of orthogonal power transfer, active power at different frequencies can be decoupled, which is presented in [21], where an additional frequency is used to implement nested secondary power loops in modular multilevel converter. The possibilities of transferring power at different frequencies in a distribution grid are investigated in [22][23][24]. In [23], the third harmonic is taken as additional transmission frequency and it offers point-to-point power transfer from a transmitter to a specific receiver.…”

Section: Introductionmentioning

confidence: 99%

Multi‐frequency power system for renewable source integration in smart grid

Chitransh¹,

Veerachary²

2019

IET Power Electronics

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This study presents a new power system enabled by power-electronic technology for renewable source integration in micro-grid. The micro-grid is decoupled into multiple independent power channels. These power channels are used for any source to any load-independent power transfer over the common power transmission line. This system works on the principle of frequency-selective orthogonal power transfer and superposition theorem. To demonstrate the proposed power system, a laboratory-scale prototype of an interconnected two-source two-load system is developed. The two sources independently transfer power to their respective loads at power transmission frequencies of 500 and 0 Hz (DC is also a valid frequency for power transmission), respectively, over the common power transmission path. Thus, a two-source two-load system is decoupled into two independent power channels. The proposed system is modular and scalable in structure and can be extended for any number of sources and loads. Finally, the effectiveness of the proposed system is verified through simulations and experimental results which demonstrates independent transmission of 100 W power in each of the two power channels of the two source-two load interconnected system.

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“…Recent studies have paved the road towards the so called "SMART Grid". A possible cornerstone from which the future "Smart Grid" could be designed and build, is the novel system concept dubbed: 'multi-frequency multilevel modular converter' (M3C) [7]- [9]. It has the potential to address most of the requirements given in [10].…”

Section: Introductionmentioning

confidence: 99%

EMI reduction in sPWM Driven SiC converter based on carrier frequency selection

Moonen

Buesink

Leferink

2017

2017 International Symposium on Electromagnetic Compatibility - EMC EUROPE

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High switching frequencies(>1 MHz) become available due to the development of wide bandgap semiconductors. This trend of increasing operating frequency in power electronics results in the reduction of output filter sizes and costs. As frequency increases, parasitic behavior of components become more dominant. This paper shows the possibility to shift the generated EMI peaks to the most effective bandwidth of a COTS filter by reprogramming the FPGA based sPWM generator. The peak EMI output is therefor reduced by means of a mere firmware update. While possible, spread spectrum has not been addressed in this paper, due to the lack of effect it has on the peak emissions.

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Multifunctional modular multilevel converter-based systems bottom-up approach to system design

Cited by 5 publications

References 31 publications

Simulink-Based FPGA Control for EMI Investigations of Power Electronic Systems

Simulink-Based FPGA Control for EMI Investigations of Power Electronic Systems

Multi‐frequency power system for renewable source integration in smart grid

EMI reduction in sPWM Driven SiC converter based on carrier frequency selection

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