New mixed stacked multicell converter with interesting advantages

Sadeghi, Meisam; Hosseini, Seyed Hossein; Alizadeh, Rana; Banaei, Mohamad Reza

doi:10.1049/iet-pel.2012.0128

Cited by 14 publications

(22 citation statements)

References 13 publications

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“…In order to reduce the required devices (including dc sources, switches, and FCs), several FC-based hybrid multicell converters, which are based on the original FCC and SM converters have been proposed in [42][43][44][45][46][47][48][49][50]. In [42,43], the number of dc sources was reduced to half by adding LF switches to the original SMC.…”

Section: Hybrid Fc-based Multicell Convertersmentioning

confidence: 99%

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Hybrid Multilevel Converters: Topologies, Evolutions and Verifications

Zhang

Din

et al. 2019

Energies

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Multilevel converters have good potential in high power and high voltage applications due to their advantages of reduced voltage or current stress on power devices. In recent years, hybrid multilevel converter (HMC) have attracted increasing attention since less equipment is required. In this paper, the topologies and evolutions of HMCs are presented, where five topology derivation ways are given by using basic cells in series-parallel/parallel-series. Some general topologies or structures that are used to generate higher levels are also deducted. Then many existing HMCs can be derived, and new topologies of the HMC might be inspired. The capabilities of neutral point and FC voltage balancing control are investigated. The performance of the selected FC-based HMCs is analyzed. Finally, the verifications of operation principle and control strategies for the derived HMCs are carried out.

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Section: Hybrid Fc-based Multicell Convertersmentioning

confidence: 99%

“…In [42,43], the number of dc sources was reduced to half by adding LF switches to the original SMC. In [44], a mixed stacked multicell converter was proposed to double the RMS value of output voltage, which is obtained by adding four LF switches to the SM converter.…”

Section: Hybrid Fc-based Multicell Convertersmentioning

confidence: 99%

Hybrid Multilevel Converters: Topologies, Evolutions and Verifications

Zhang

Din

et al. 2019

Energies

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“…FCMLIs usually use higher number of capacitors with lower number of DC voltage sources, which leads to a reduction in overall size and cost of the inverter [3][4][5][6]. Furthermore, different modulation and control strategies including; multi-level sinusoidal pulse width modulation, multi-level selective harmonic elimination and Multi-level space vector modulation have been presented in literature [5,[15][16][17][18][19][20][21][22]. Tolbert et al, [23] illustrates a conventional symmetric CMLI with cascaded H-bridges.…”

Section: Introductionmentioning

confidence: 99%

Control strategy applied on double flying capacitor multi‐cell inverter for increasing number of generated voltage levels

Gandomi

Varesi

Hosseini

2015

IET Power Electronics

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A 15-level flying capacitor multi-cell based inverter with new control method is proposed. The main benefit of this topology is minimising the number of components (switches, insulated-gate bipolar transistor (IGBTs), diodes, flying capacitors and DC sources with minimum variety number) that are used for producing the same number of output voltage levels. The proposed novel control strategy is capable of regulating voltage of flying capacitors on desired values, which results in increased number of output voltage levels. Another feature of the proposed control strategy is robustness against the load changes. Moreover, a new algorithm is presented for determining the voltage rating of flying capacitors. Simulations carried out in PSCAD/EMTDC software package and the experimental data were validated against numerical results.

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“…The main sufficiency of the suggested topology is its ability to attain voltage, where its amplitude is four times that of the traditional SM inverter with mentioned developments on visible hardware. The suggested inverter uses phase-shifted pulse width modulation (PS-PWM) [22] method to generate all the steps in output voltage and specially retain the voltage of balancing capacitors, which is the main need to clamp the desired voltage. The remainder of this paper is organised as follows: Section 2 provides a brief review of FCM and SM inverters and SM's recently derived mixed stacked multicell inverter (MSM).…”

Section: Introductionmentioning

confidence: 99%

“…The obtained PWM signals control the corresponding power switches. A single-phase n-cell FCM inverter operating www.ietdl.org with common PS-PWM control scheme can produce n + 1-level output voltage and the generated harmonics moving to higher orders while the number of cells increases [22].…”

Section: Introductionmentioning

confidence: 99%

Series H‐bridge with stacked multicell inverter to quadruplicate voltage levels

Banaei

Oskuee

Kazemi

2013

IET Power Electronics

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In this study, a series H-bridge with stacked multicell inverter (SHSI) is suggested which is commonly suitable for a high number of steps and for generating all levels at the output associated with a low number of circuit devices including switches and related gate driver circuits for each switch. The main advantages of the suggested topology compared with traditional flying capacitor multicell and stacked multicell (SM) inverters are increasing the number of output voltage levels and the root-meansquare value as much as four times, and doubles compared with mixed stacked multicell inverter. SHSI is compared with the mentioned structures improving the output voltage harmonic contents and decreasing the number and rating of components thereby reducing the cost and installation area and decreasing the stored energy and rating of flying capacitors. These sufficiencies are obtained by adding only four low-frequency switches and a DC source to the traditional SM inverters structure. Provided simulation and experimental results certify the feasibility and good performance of the suggested inverter.

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New mixed stacked multicell converter with interesting advantages

Cited by 14 publications

References 13 publications

Hybrid Multilevel Converters: Topologies, Evolutions and Verifications

Hybrid Multilevel Converters: Topologies, Evolutions and Verifications

Control strategy applied on double flying capacitor multi‐cell inverter for increasing number of generated voltage levels

Series H‐bridge with stacked multicell inverter to quadruplicate voltage levels

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