A new sub-multilevel inverter with reduced number of components

Sarbanzadeh, Maryam; Babaei, Ebrahim; Hosseinzadeh, Mohammad Ali; Cecati, Carlo

doi:10.1109/iecon.2016.7793087

Cited by 14 publications

(6 citation statements)

References 16 publications

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“…Sarbanzadeh et al [99] presented a submodule structure for MLI. The basic sub module unit of topology in a cascaded connection is shown in Figure 18.…”

Section: Developed H-bridge Multilevel Invertersmentioning

confidence: 99%

A Comprehensive Review of Reduced Device Count Multilevel Inverters for PV Systems

et al. 2023

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This article presents a comprehensive review of reduced device count multilevel inverter (RDC MLI) topologies for PV systems. Multilevel inverters are widely used in medium-voltage and high-power applications such as wireless power transform applications, flexible AC transmission (FACT), active filters, AC motor drives, high-voltage DC transmission (HVDC), and renewable energy sources due to their high modularity and high-power quality output. Multilevel inverters have the ability to diminish the harmonics content in the output voltage by applying various modulation techniques. The literature in this field showed that the high-power quality and high modularity of the output demand an undeniable need for multilevel inverter topology. Research in this field has identified various multilevel inverter topologies, each possessing their own merits and demerits. The ubiquitous availability of multilevel inverter topologies illustrates the complexity of their accurate selection. To avoid such complexity, this review shows the state of the art of various reduced device count (RDC) multilevel inverter (MLI) topologies. Details of the various RDC MLIs, along with their comparisons, are provided in this paper. This review will be an important reference tool for future work on RDC MLI for photovoltaic (PV) systems.

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“…Sarbanzadeh et al [99] presented a submodule structure for MLI. The basic sub module unit of topology in a cascaded connection is shown in Figure 18.…”

Section: Developed H-bridge Multilevel Invertersmentioning

confidence: 99%

A Comprehensive Review of Reduced Device Count Multilevel Inverters for PV Systems

et al. 2023

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“…The structure for both the topologies is shown in Figures 27 and 28 respectively. One more configuration based on bidirectional and unidirectional switches is explained by the authors of [35,36]. In this paper, the authors used the CE (common emitter) configuration.…”

Section: Reduced Number Of Switchesmentioning

confidence: 99%

An Extensive Review of Multilevel Inverters Based on Their Multifaceted Structural Configuration, Triggering Methods and Applications

2020

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Power electronic converters are used to transform one form of energy to another. They are classified into four types depending upon the nature of the input and output voltages. The inverter is one among those types; it converts direct electrical current into alternating electrical current at desired frequency. Conventional types of inverters are capable of producing voltage at the output terminal that can only switch between two levels. The range of output voltage generated at the output is low when they are used for high power applications. To improve the voltage profile and efficiency of the overall system, multilevel inverters (MLIs) are introduced. In multilevel inverters the voltage at the output terminal is generated from several DC voltage levels fed at its input. The generated output is more appropriate to a sine wave and the dv/dt rating is also less leading to the reduction in EMI. Though they possess many advantages compared to the conventional inverters, the structural complexity and triggering techniques involved in designing multilevel inverters are high. Many studies are being carried out in defining new topologies of MLI with reduced switch as well as with the implementation of different PWM techniques. This paper will provide an extensive review on variety of MLI configurations based on the parameters such as the number of switches, switching techniques, symmetric, asymmetric, hybrid topologies, configurations based on applications, THD and power quality.

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“…In the power system, transistors are driven in a saturation mode to reduce conduction loss. Hence, power should be transferred with a coarse quantizer, which has 2 to at most 17 levels in many cases (14) , though pinching a load or cascadeconnection by plural inverters enables to increase the level. For these systems, the pulse-code-modulation (PCM), which is effective for multi level quantizer, is useless for the switching inverter, and a triangular carrier pulse-width-modulation (PWM), which superimposes a dither onto the reference, and a pulse-density-modulation (PDM) are used as alternatives.…”

Section: Noise Distribution Of the Systemmentioning

confidence: 99%

State Estimation Based on Multirate Kalman Filter for Power Systems Driven by Switching Inverter

Kurumatani

Katsura

2019

IEEJ Journal IA

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This paper presents a design methodology of a Kalman filter for a multirate control system with a fast input system. There are many applications whose sensory system is slower than the input system in a power system. The sensory system is required to perform fast sensing while ensuring a low signal-to-noise ratio, although it requires additional time compared with that of a low-resolution converter. The Kalman filter is an effective tool in such a situation and it estimates parameters while eliminating noise. Because the optimality of this filter is ensured when the system model and noise variance on the system are well identified, rigorous discretization should be considered on the multirate control system. With this in mind, the paper presents the design method of a multirate Kalman filter as is the case for a single-rate controller. Further, the noise variance and oversampling ratio of the multirate controller is confirmed using the Monte Carlo method. Numerical simulation of a voltage inverter theoretically validates the design methodology.

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A new sub-multilevel inverter with reduced number of components

Cited by 14 publications

References 16 publications

A Comprehensive Review of Reduced Device Count Multilevel Inverters for PV Systems

A Comprehensive Review of Reduced Device Count Multilevel Inverters for PV Systems

An Extensive Review of Multilevel Inverters Based on Their Multifaceted Structural Configuration, Triggering Methods and Applications

State Estimation Based on Multirate Kalman Filter for Power Systems Driven by Switching Inverter

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