Hybrid multilevel power conversion system: a competitive solution for high power applications

Manjrekar, Madhav; Steimer, P.K.; Lipo, T.Α.

doi:10.1109/ias.1999.805943

Cited by 144 publications

(177 citation statements)

References 9 publications

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“…Series LC filters are places between every two phases so 08003-p. 3 auxiliary power flow at high frequency could exchange energy between SC cells in different phase. The topology, orthogonal power flow theory and controller design is introduced.…”

Section: Resultsmentioning

confidence: 99%

Energy Storage System Based on Cascaded Multilevel Inverter with Decoupled Energy Balancing Control

Cao¹,

Jun-fen²,

Zhuang³

et al. 2015

MATEC Web of Conferences

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Abstract. This paper presents a three phase cascaded multilevel inverter based supercapacitor (SC) energy storage system with novel structure and control strategy to maintain the energy balance of between phases. Every two phases are coupled with a series LC filter. With the filter, SC cells in different phases could exchange energy with an auxiliary power flow at high frequency. The auxiliary power flow is orthogonal to the primary power flow. The phase difference between high frequency voltage and current components of each phase determines whether the energy is absorbed into or released from its SC cells. Unlike traditional energy balancing strategies, the proposed method is independent to the fundamental real power drawn by the energy storage system. Simulation results confirmed the effects of proposed theories.

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Section: Resultsmentioning

confidence: 99%

Energy Storage System Based on Cascaded Multilevel Inverter with Decoupled Energy Balancing Control

Cao¹,

Jun-fen²,

Zhuang³

et al. 2015

MATEC Web of Conferences

View full text Add to dashboard Cite

show abstract

“…Regarding the possible switching states, the corresponding output voltage, referred to the middle point o for each leg, can thereafter be expressed as: (6) Expressions of phase to neutral and line to line output voltages are given by (7) and (8) respectively: …”

Section: Neutral Point Clamped Diodementioning

confidence: 99%

“…The asymmetric full bridge inverters were an alternative. They have the same configuration as the cascaded symmetrical inverters except that continuous sources values are not equals but multiples of each other's [6]. Generally, the DC sources are multiples of two (2E, 4E...), Fig.…”

Section: H-bridge Derived Structuresmentioning

confidence: 99%

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Multilevel Inverters Power Topologies and Voltage Quality: A Literature Review

Rehaoulia¹,

Rehaoulia²,

Fnaiech³

2016

Journal of Magnetics

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Due to their performances and inherent benefits, especially in medium-voltage and high-power applications, multilevel inverters have received an increasing attention in real world industrial applications. The present paper deals with a review of the main multilevel inverter topologies as well their most common derived and hybrid structures quoted in previous research works. It also encompasses an investigation on voltage harmonic elimination and THD estimation. For that reason, the paper summarizes the most relevant modulation techniques used so far to enhance the output voltage quality. Theoretical formulas evoked in the literature, for calculating the output voltage THD upper and lower bounds are reported and verified by adequate simulations.

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“…The main advantages of MLI are the capability of handling high and medium industrial application [13] and minimizing the cost of filtering circuit since the MLI produce almost sinusoidal AC signal [14].MLI can be designed as Three-level [15] ,five-level [16] , seven-level [17] and so on [18]. The number of level is in direct relationship with output signal, where the output signal can be enhanced as the number of level increased, however high number of level require large number of components which will result in very expensive design.…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of Three Different Topologies of Five-Level Inverter with SPWM Modulation Technique

Farah¹,

Lazi²,

Talib³

2017

IJPEDS

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Multilevel Inverter (MLI) has attracted a great attention by different researchers and industries due to its capability in handling high power application and minimizing the harmonics contents in the output. This study propose three different topologies of [7].Naturally the ,the energy produced by the renewable energy resources is DC energy. Because of most of the home appliances as well as industrial applications operate using AC energy, the renewable DC energy generated need to be converted into AC energy. This conversion can be achieved utilizing power electronic inverter [8] which mainly designed to convert the DC energy into AC energy.The first designed inverter is 2-level inverter which limited to low power application due to less capability and power rating [9].In order to handle high power applications and increase the power rating of the inverter ,Multilevel Inverter (MLI) was introduced [10]- [12]. The main advantages of MLI are the capability of handling high and medium industrial application [13] and minimizing the cost of filtering circuit since the MLI produce almost sinusoidal AC signal [14].MLI can be designed as ,five-level [16] , seven-level [17] and so on [18]. The number of level is in direct relationship with output signal, where the output signal can be enhanced as the number of level increased, however high number of level require large number of components which will result in very expensive design. Recently, various researchers and industries are focusing in utilizing the MLI in drive application such as Switched Reluctance Motor (SRM) [19], Induction Motor (IM) [20] and Permanent Magnet Synchronous Motor (PMSM) [21]. The multilevel inverter produce less harmonic contents in its output voltage and current .also the power switches in multilevel inverter experience low voltage stress and low electromagnetic interferences (EMI) [25].

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Hybrid multilevel power conversion system: a competitive solution for high power applications

Cited by 144 publications

References 9 publications

Energy Storage System Based on Cascaded Multilevel Inverter with Decoupled Energy Balancing Control

Energy Storage System Based on Cascaded Multilevel Inverter with Decoupled Energy Balancing Control

Multilevel Inverters Power Topologies and Voltage Quality: A Literature Review

Comparative Study of Three Different Topologies of Five-Level Inverter with SPWM Modulation Technique

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