نتایج جستجو برای: CHB Inverter

تعداد نتایج: 12679  

2012
P. Surendra Babu

This paper presents an investigation of five-Level Cascaded H – bridge (CHB) Inverter as Distribution Static Compensator (DSTATCOM) in Power System (PS) for compensation of reactive power and harmonics. The advantages of CHB inverter are low harmonic distortion, reduced number of switches and suppression of switching losses. The DSTATCOM helps to improve the power factor and eliminate the Total...

2012
J. Ganesh Prasad Reddy Ramesh Reddy

AbstractThis paper presents an investigation of five-Level Cascaded H – bridge (CHB) Inverter as Distribution Static Compensator (DSTATCOM) in Power System (PS) for compensation of reactive power and harmonics. The advantages of CHB inverter are low harmonic distortion, reduced number of switches and suppression of switching losses. The DSTATCOM helps to improve the power factor and eliminate t...

2012
P. SURENDRA BABU

This paper presents an investigation of five-Level Cascaded H – bridge (CHB) Inverter as Distribution Static Compensator (DSTATCOM) in Power System (PS) for compensation of reactive power and harmonics. The advantages of CHB inverter are low harmonic distortion, reduced number of switches and suppression of switching losses.The DSTATCOM helps to improve the power factor and eliminate the Total ...

2016

This paper presents different kinds of grid-tied cascade H-bridge inverter and has a look to predictive current control technique. Finally the simulation result will show a Model predictive current control of a five-level cascaded H-bridge (CHB) inverter indifferent sampling times by using MATLAB Simulink software. And this Model Predictive current controller (MPC) for the five-level CHB invert...

2012

This paper presents a detailed harmonic analysis in terms of Total Harmonic Distortion (THD) for different power circuit topologies of multi level inverter fed induction motor drives. The most common multilevel inverter topologies are the neutral-point-clamped inverter (NPC), flying capacitor inverter (FC), and cascaded H-bridge inverter (CHB). This work is to analyze the performance of all the...

2017
Hashim Hasabelrasul Xiangwu Yan

Received Jan 14, 2017 Revised Mar 14, 2017 Accepted Mar 29, 2017 One of the preferred choices of electronic power conversion for high power applications are multilevel inverters topologies finding increased attention in industry. Cascaded H-Bridge multilevel inverter is one of these topologies reaching the higher output voltage, power level and higher reliability due to its modular topology. Le...

M. Ghazavi Dozein M. Oskuoee S.M. Abasi V. Gholamrezaie,

In order to reduce the volume and size of distribution power transformer, precise and extended controlling of transformer output, the conventional transformers are replaced by intelligent universal transformers (IUTs). In this paper, an IUT, typical of Iran national grid, with the voltage ratio of 20kV:380 V is designed and simulated. Regarding the IUT implementation, a cascaded H-bridge invert...

Journal: :international journal of smart electrical engineering 2015
v. gholamrezaie m. ghazavi dozein s.m. abasi m. oskuoee

in order to reduce the volume and size of distribution power transformer, precise and extended controlling of transformer output, the conventional transformers are replaced by intelligent universal transformers (iuts). in this paper, an iut, typical of iran national grid, with the voltage ratio of 20kv:380 v is designed and simulated. regarding the iut implementation, a cascaded h-bridge invert...

Journal: :IEEE Transactions on Industrial Electronics 2021

Leakage current in a transformerless cascaded H-bridge (CHB) inverter is problem that deteriorates the system performance and causes safety concerns. In this article, common-mode equivalent circuit established for analyzing occurrence of leakage an m-level CHB with either asymmetrical or symmetrical inductance output filter configurations. The analysis provides comparison between traditional ph...

2014
R. Kavitha Rani Thottungal

This paper explains a control strategy SHE-PWM and a closed loop control of the cascaded multilevel inverter based on the modulation index. The modulation index is taken as the feedback to the cascaded multilevel inverter, the proposed system reduces the total harmonic distortion by optimizing the angles of the inverter and the DC voltage sources applied to the cascaded inverter. The specific l...

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