Showing 1-25 of 2,398 resultsfor "Index Terms":filtering windings
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Modern Pulse Width Modulation (PWM) inverter output voltage produces electrical stresses on the windings of induction machines due to fast rise times. The feeder cable of this type of arrangement produces additional stresses on the windings. This paper proposes an optimized filtering technique to mitigate the transient overvoltages and reduce the associated stresses. Multi-objective optimization a...Show More
Dv/Dt Filtering Techniques for Electric Drives: Review and Challenges
IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society
Year: 2019 | Conference Paper |
Cited by: Papers (22)
The use of wide band gap devices in power converters is becoming more and more popular since they enable operations at higher switching frequencies, voltages and temperatures compared to traditional power semiconductors, while also improving the efficiency. However, in electric drives, they also tend to increase voltage overshoots at motor terminals and to produce uneven voltage distributions acro...Show More
A multi-Variable dv/dt Filter Design Approach in SiC-Based Integrated Motor Drive
Mohammad Arifur Rahman;Yilmaz Sozer;Alper Uzum;Syed Imam Hasan
2024 IEEE Energy Conversion Congress and Exposition (ECCE)
Year: 2024 | Conference Paper |
The faster-switching actions during the turn ON and turn OFF transients permits the use of higher switching frequencies for the power devices used in motor drives. However, the rapid switching transitions create high dv/dt and pose challenges for the insulation of the motor windings. Although incorporating the output filter reduces the dv/dt, the input to the filter necessitates the proper charact...Show More
Overvoltage Stress on AC Motor Winding Insulations Driven by Fast-Switching Inverters: A Study
2024 IEEE Kansas Power and Energy Conference (KPEC)
Year: 2024 | Conference Paper |
Cited by: Papers (1)
This paper reviews the high-frequency overvoltage challenges in SiC-based motor drives, focusing on two major issues: the overvoltage caused by reflected waves when a motor is fed through a long cable by an inverter, and the uneven voltage distribution across the stator windings, which both stresses the turn-to-turn insulation. This paper categorizes various passive and active mitigation technique...Show More
A Novel Grid-Connected Inverter Filtering Method using Series Active Power Filter based on Magnetic Flux Compensation
2020 23rd International Conference on Electrical Machines and Systems (ICEMS)
Year: 2020 | Conference Paper |
Cited by: Papers (2)
This paper proposed a novel grid-connected inverter filtering method using series APF based on magnetic flux compensation. The fundamental and harmonic currents across the primary side of transformer are detected, respectively, which are controlled separately. The fundamental is reversely injected into the secondary side, while the harmonics are injected in phase. Thus, the primary side shows the ...Show More
The Equivalent Circuit Model of a Four-Winding Inductive Filtering Transformer and its Filtering Characteristics
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2019 | Conference Paper |
A four-winding inductive filtering transformer (FW-IFT) that is of a special filtering winding is designed according to the equivalent zero impedance principle of multi-winding transformer. The inductive filtering method with the series connection of the passive filter and the filtering winding of a FW-IFT is proposed to deal with the problem of reactive power and harmonics in a high-voltage distr...Show More
An Inductive Filtering-Based Parallel Operating Transformer With Shared Filter for Power Quality Improvement of Wind Farm
This article proposes an inductive filtering-based parallel operating transformer with a shared filter to improve the power quality at the grid-connected step-up station of a wind farm. Only a set of the shared inductive filter is configured to serve for two wind farms (two harmonic sources). The proposed transformer together with the shared filter has the merits of less installation space, higher...Show More
The Frequency Response Research of Power Part Elements a One-Phase Series Active Power Filter
2019 IEEE International Conference on Modern Electrical and Energy Systems (MEES)
Year: 2019 | Conference Paper |
Cited by: Papers (3)
Many social and economic activities depend on the quality of electrical energy. Therefore, it is necessary to compensate distortion of electric energy by filtration of harmonics a current and voltage. In the case of a distortion of the supply voltage form, regardless of the nature of these distortions, a series active power filter is used. Serial power active filter according to the single-phase c...Show More
A magnetically controlled multi-winding sub-compensated active harmonic isolator
A. Liu Zhu;B. Dai Yufeng;C. Li Dayi;D. Xu Jiaxin;E. Cao Tiantian;F. Gong Dehuang
2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia)
Year: 2024 | Conference Paper |
The addition of various distributed new energy sources and nonlinear loads has caused various harmonic problems, but the mainstream passive filter has poor dynamic performance, can not solve the reactive power problem, and has the risk of resonant amplification. The mainstream active power filter also has some problems, such as the inability of parallel structure to filter background harmonics, po...Show More
Design of Planar Magnetic Integrated LCL-EMI Filter for the Grid-Connected Inverter
2022 4th International Conference on Smart Power & Internet Energy Systems (SPIES)
Year: 2022 | Conference Paper |
Cited by: Papers (4)
Harmonic and electromagnetic interference (EMI) filters are two important output filters used to suppress harmonic distortion and EMI noise in grid-connected inverter. In this paper, harmonic and EMI filters are combined by planar magnetic integration to reduce the volume and weight. By building a single-phase Gan inverter platform, the LCL-EMI filter with planar magnetic integration is experiment...Show More
Optimized Inductive Filter Device Design for a Novel Transformer Based on Improved Immune Genetic Algorithm
Longfu Luo;Yafei Yan;Zhao Huang;Ziyi Bai;Zhenhua Rao;Ye Tian
2018 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
In order to improve the power quality of 220kV transformer substations in power system, the harmonic currents on the 110kV and 35kV sides can flow into the superconducting loop which is composed of the inductive filter winding of four-winding inductive filter transformer and the inductive filter device, and thus the currents on 220kV side are pollute-less. The parameters of inductive filter device...Show More
Application of Butterworth filter for parameter identification of an induction machine
2004 IEEE International Conference on Industrial Technology, 2004. IEEE ICIT '04.
Year: 2004 | Conference Paper |
Cited by: Papers (1)
The authors present the application of Butterworth filter for parameter identification of an induction machine. MlMO (multi-inputs/multi-outputs), SISO (Single-input/Single-output) and MISO (multi-input/single output) continuous model structures were undertaken by using the recursive least square algorithms. The identification of the induction machine parameters is carried out from the experimenta...Show More
Mathematical Model of Four-Winding Inductive Filtering Converter Transformer and Its Application
2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
In this paper, a new inductive filtering scheme with a four-winding inductive filtering converter transformer (FWIFCT) and its filtering system is proposed to solve the harmonic pollution problems generally existing in the high voltage direct current (HVDC) transmission system. The main circuit topology by series combining the fully tuned filters with the filtering winding of the FWIFCT are descri...Show More
Research and realization of a novel active common-mode EMI filter
2015 IEEE Applied Power Electronics Conference and Exposition (APEC)
Year: 2015 | Conference Paper |
Cited by: Papers (15)
Voltages and currents of high power density power electronic circuits vary rapidly for its high speed switching, which results in serious electromagnetic interference (EMI) problems. The conventional used EMI filters are made of passive inductors and capacitors. Its size is usually comparable to that of the converter itself. As to this, active EMI filters (AEF) made of amplifiers and transistors a...Show More
A Novel Integrated LCL filter for High-order Harmonic Suppression in Locomotives
2018 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
In order to suppress the harmonics of the traction network and improve the power quality of the traction network, a new harmonic suppression scheme is proposed in this paper, which a magnetic integrated LCL filter is configured at the front end of the traction four-quadrant rectifier. Firstly, the mathematical model of the four-quadrant rectifier with front-end access to the LCL filter is derived....Show More
A Unified Electromagnetically Integrated LC and LCL Filtering Module With Flexible Configurations for Single-Phase Voltage-Source Converters
IECON 2023- 49th Annual Conference of the IEEE Industrial Electronics Society
Year: 2023 | Conference Paper |
Cited by: Papers (1)
Compared to the traditional magnetic integration technique, the emerging electromagnetic integration technique (EMIT) has a greater potential for compact design of power converters since it has the capacity to integrate both inductive and capacitive components. As the most representative method, the flexible multilayer foil (FMLF) technique still needs to be further studied for extending and promo...Show More
A Compact Three-Phase Multi-Stage EMI Filter with Compensated Parasitic-Component Effects
Shin-Yu Chen;Ripun Phukan;Tonglei Wang;Rolando Burgos;Dong Dong;Gopal Mondal;Henrik Krupp;Sebastian Nielebock
2024 IEEE Applied Power Electronics Conference and Exposition (APEC)
Year: 2024 | Conference Paper |
Three-phase multi-stage filters are widely adopted in modern power electronics due to their superior attenuation characteristics. However, the self and mutual parasitic couplings of the filter sub-components are known to degrade the filter performance significantly. Most importantly, near field effects are prominent when dealing with high density packaging of multi-stage filters. Therefore, it is ...Show More
A Magnetic Flux Compensated Series Active Power Filter using Deadbeat Control based on Repetitive Predictor Theory
2019 22nd International Conference on Electrical Machines and Systems (ICEMS)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
This paper presents a magnetic flux compensated series hybrid active power filter using deadbeat control based on repetitive predictor theory. Firstly, the primary winding of series transformer in the SHAPF would present leakage impedance to fundamental current and present magnetizing impedance to harmonic current which force the harmonic current to flow into passive power filter. In order to achi...Show More
Harmonic Elimination Using Parallel Delta-Connected Filtering Windings for Converter Transformers in HVDC Systems
Chonggan Liang;Jiazhu Xu;Longfu Luo;Yong Li;Qi Qi;Pingping Gao;Ying Fu;Yanjian Peng
In conventional HVDC systems where the harmonic filters and shunt capacitors are installed at the ac grid side, the converter transformers inevitably suffer the detrimental impacts caused by harmonic penetration. In this paper, combined with an inductive filtering method, a parallel delta-connected filtering winding scheme for 12-pulse converter transformer units is proposed to reduce the harmonic...Show More
Different from a three-winding transformer and ac passive filtering method, this paper proposes an inductive filtering (IF) method with a four-winding inductive filtering transformer (FW-IFT) for power system supplying nonlinear loads. Based on this, the characteristic parameters of the short-circuit impedance for the FW-IFT are studied in detail by theoretical analysis and experimental verificati...Show More
An Efficient High-Power-Density Integrated Trap-LCL Filter for Inverters
To improve power density of voltage-source converters, passive filters or combination of passive components known as trap filters are normally used, which are designed to block or bypass switching current harmonics to meet grid requirements. Recently, researchers have investigated the magnetic integration of trap filters into LCL structure, reducing the filter required inductance. This article pro...Show More
A Novel Shunt Single-Phase Active Power Filter for High Voltage Application
2006 CES/IEEE 5th International Power Electronics and Motion Control Conference
Year: 2006 | Conference Paper |
In this paper, a novel shunt single-phase active power filter is proposed for high voltage application, which is based on the harmonic impedance control of a special linear transformer with multiple secondary windings. The transformer's primary winding is shunted with harmonic-producing loads, while its multiple secondary windings are connected with inverters. The transformer's secondary currents ...Show More
Modeling and Stability Analysis of Active/Hybrid Common-Mode EMI Filters for DC/DC Power Converters
Hybrid electromagnetic interference (EMI) filters (HEFs), which are composed of an active filter and a passive filter, have been proposed to reduce the size and weight of conventional passive EMI filters in literatures. However, accurate models that can be used to predict the stability and performance of HEFs have not been developed. To cope with this, this paper presents a modeling technique for ...Show More
A Novel Series Power Quality Controller With Reduced Passive Power Filter
A novel variable reactor is presented in this paper. The principle of the novel variable reactor is simply addressed. The equivalent impedance of primary winding of the transformer will vary with the ratio between the primary and the secondary voltages. For the proposed variable reactor, a novel series power quality controller (SPQC) is developed and its principle is analyzed in detail. The SPQC g...Show More
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