Results 11 to 20 of about 20,963 (330)

Fault diagnosis method of a cascaded H‐bridge inverter based on a multisource adaptive fusion CNN‐transformer

IET Power Electronics, EarlyView.
In high‐voltage applications, the number of cascaded H‐bridge inverter units is large, the failure probability increases, and the waveform similarity is high after the failure of power devices at different positions. This paper proposes a fault diagnosis
Weiman Yang, Weinian Wang, Xinggui Wang, Jianfeng Gu, Zhuoling Wang   +4 more
semanticscholar   +2 more sources

Dead-Time Impact on the Harmonic Distortion and Conversion Efficiency in a Three-Phase Five-Level Cascaded H-Bridge Inverter: Mathematical Formulation and Experimental Analysis

IEEE Access, 2023
To avoid leg short-circuit in inverters, dead time must be introduced on leg gate signals. Dead time affects the inverter output voltage fundamental harmonic amplitude, voltage harmonic distortion and inverter efficiency by introducing additional voltage
G. Schettino, A. D. Di Tommaso, R. Miceli, C. Nevoloso, G. Scaglione, F. Viola   +5 more
semanticscholar   +1 more source

Open Circuit Fault Diagnosis in Five-Level Cascaded H-Bridge Inverter

International Transactions on Electrical Energy Systems, 2022
The development of power electronic converter, especially multilevel converter, is remarkable for several decades. The complex switching and increased power of semiconductor devices are prime reasons for faults in multilevel inverters and have raised ...
Pavan Mehta, Subhanarayan Sahoo, H. Dhiman   +2 more
semanticscholar   +1 more source

THD reduction in measurement of H - Bridge multilevel inverter using pulse modulated switching integrated with linear quadratic Regulator

Measurement: Sensors, 2022
In this paper, the proposed Pulse Modulated Switching Cascaded H-bridge Multilevel Inverter (PM-SCHM) can be utilized for the reduction of Total Harmonic Distortion (THD).
R. Venkedesh, R. AnandhaKumar, G. Renukadevi   +2 more
doaj   +1 more source

Implementation of multicarrier PWM based 7-level Z-source cascaded H-bridge inverter [PDF]

, 2022
This paper elucidates the realization of multicarrier pulse width modulation (MC-PWM) based 7-level Z-source cascaded H-bridge inverter. MC-PWM technique is developed to generate switching pulses for Z-source inverter; it leads to boost the inverter ...
Kuppusamy, Selvakumar, Ramamurthi, Subbulakshmy, Ramasamy, Palanisamy, Sengamalai, Usha, Sugavanam, Vidyasagar, Thentral, Thamizh, Vakesan, Kalyanasundaram   +6 more
core   +3 more sources

Control of Reduced Switches Count and Classical Multilevel Inverters: a Comparison [PDF]

E3S Web of Conferences, 2022
Multilevel inverter has appeared as one of the important topologies in the area of high power and medium voltage because it can efficiently realize lower harmonics with reduced switching frequency.
Owona Jorel Landry, Fendji Marie Danielle, Effa Joseph Yves, Kenmoe Fankem Eric Duckler   +3 more
doaj   +1 more source

Impact Evaluation of Innovative Selective Harmonic Mitigation Algorithm for Cascaded H-Bridge Inverter on IPMSM Drive Application

IEEE Open Journal of Industry Applications, 2021
This paper presents a detailed analysis of the use of a novel Harmonic Mitigation algorithm for Cascaded H-Bridge Multilevel Inverter in electrical drives for the transportation field.
G. Schettino, C. Nevoloso, R. Miceli, A. Tommaso, F. Viola   +4 more
semanticscholar   +1 more source

Mitigation of Circulating Bearing Current in Induction Motor Drive Using Modified ANN Based MRAS for Traction Application

Mathematics, 2022
Induction motors are popularly used in various applications because of the proposed modest construction, substantiated process, and limited size of specific power. The traditional AC traction drives are experimentally analyzed.
Usha Sengamalai, T. M. Thamizh Thentral, Palanisamy Ramasamy, Mohit Bajaj, Syed Sabir Hussain Bukhari, Ehab E. Elattar, Ahmed Althobaiti, Salah Kamel   +7 more
doaj   +1 more source

7-Level Semi Cross Switched Multilevel Inverter Fed Induction Motor Drive [PDF]

E3S Web of Conferences, 2020
Multilevel inverters have more prominent features than 2-level inverter due to various advantages like voltage quality, low EMI etc. The semi cross switched multilevel converter topology need less number of semiconductor switches compared to cascaded H ...
Janiga Srinivas Rao, Tummala Suresh Kumar   +1 more
doaj   +1 more source

A Novel Controller Based on Single-Phase Instantaneous p-q Power Theory for a Cascaded PWM Transformer-less STATCOM for Voltage Regulation [PDF]

Journal of Operation and Automation in Power Engineering, 2018
In this paper, dynamic performance of a transformerless cascaded PWM static synchronous shunt compensator (STATCOM) based on a novel control scheme is investigated for bus voltage regulation in a 6.6kV distribution system.
M. Abbasi, B. Tousi
doaj   +1 more source