Showing 1-25 of 11,336 resultsfor "Index Terms":electromagnetic interference (EMI)
"Index Terms":electromagnetic interference (EMI)
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This recommended practice establishes appropriate electromagnetic (EM) threat levels, protection methods, monitoring techniques, and test techniques for specific classes of computer equipment. This equipment is expected to be accessible to the public at ranges less than 100 meters, and the loss of operation of the equipment due to intentional electromagnetic interference (IEMI) is expected to caus...Show More
Design of Active EMI Filter for CM EMI Suppression with Cascaded Structure
2024 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific)
Year: 2024 | Conference Paper |
In power electronic equipment, electromagnetic compatibility (EMC) is an important issue to ensure the reliable operation of the system. The performance of the electromagnetic interference (EMI) filters is critical to the EMC characteristics of the equipment. For the passive EMI filter which is used as the primary method for EMI suppression, its performance can be improved by cas...Show More
A Low-Cost Transistor based Active EMI Filter for CM EMI Suppression
2024 IEEE 7th International Electrical and Energy Conference (CIEEC)
Year: 2024 | Conference Paper |
Due to the increasing application of various power electronic devices in industry and daily life, the electromagnetic interference (EMI) generated by higher di/dt and dv/dt during switching is exacerbated. Electromagnetic interference (EMI) not only jeopardizes the operational reliability of the device but also disrupts the normal functioning of other equipment. With the escalation of ...Show More
A study on EMI shielding effectiveness of graphene based structures
2017 International Artificial Intelligence and Data Processing Symposium (IDAP)
Year: 2017 | Conference Paper |
Cited by: Papers (8)
Following the rapid development of technology, various electrical and electronic devices have been a great part of life day by day due to make human life easier and comfortable. However, they emit electromagnetic radiations causing the electromagnetic pollution. Depending on this role, electromagnetic pollution becomes a crucial problem for humanity, environment, and negatively effected the perfor...Show More
EMI noise diagnosis and suppression for single-chip micyoco based electronic system
2010 International Conference on Microwave and Millimeter Wave Technology
Year: 2010 | Conference Paper |
A systemic approach to diagnose and suppress electromagnetic interference (EMI) noise is proposed for single-chip micyoco (SCM) based electronic system. According to analysis the mechanism of SCM production conducted EMI noise and extract the common mode (CM) noise and differential mode (DM) noise, the EMI noise can be diagnosed and suppressed effectively. The feasibility of this...Show More
A Hybrid EMI Filter for CM EMI Suppression in DC-DC Converter
2024 14th International Symposium on Antennas, Propagation and EM Theory (ISAPE)
Year: 2024 | Conference Paper |
Electromagnetic interference (EMI) is an unavoidable issue in power electronic equipment since it may threaten the reliability of the system. Passive EMI filter is the most commonly used method for EMI suppression. However, with the demand of high-power density, the bulky passive EMI filter can no longer satisfy the requirement. Hybrid EMI filter is an alternative cho...Show More
Combining Fast Field Probes with an EMI Detector to reveal Bit Errors induced by ElectroMagnetic Disturbances
Hasan Habib;Tim Claeys;Robert Vogt-Ardatjew;Bärbel van den Berg;Guy A. E. Vandenbosch;Davy Pissoort
2022 International Symposium on Electromagnetic Compatibility – EMC Europe
Year: 2022 | Conference Paper |
Cited by: Papers (3)
In this paper, the combination of fast field probes with a previously proposed Electromagnetic Interference (EMI) detector for detecting bit errors in wired communication channels is investigated. This paper studies two EMI detector designs: the Field Probe (FP) EMI detector and the Field Probe Adder Substractor (FPAS) EMI detector. The FP EMI detector solely employs ...Show More
The low frequency conductive and radiative EMI and EMC analysis in high speed railway
2016 International Symposium on Electrical Engineering (ISEE)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
In this paper, the main conductive and radiative electromagnetic sources are introduced especially for low frequency electromagnetic sources. Systematic and equipment view of electromagnetic field in the normal operation are simulated and analyzed by Maxwell and HFSS based on FEM. This paper provides an overview of the low frequency conductive and radiative EMI and EMC for the high speed rai...Show More
This standard is for use in the specification of electromagnetic performance requirements for Replaceable Electronic Modules (REMs). This standard is suitable for items that have the following features: removable/replaceable electronic circuit modules that plug into an equipment rack or frame, with electrical interconnections primarily through edge connectors that interfaces directly with a backpl...Show More
An Active EMI Filter in Grounding Circuit for DC Side CM EMI Suppression in Motor Drive System
In this article, an active electromagnetic interference (EMI) filter is designed to reduce the dc side common mode (CM) EMI in motor drive system. Different from the traditional passive EMI filter which is added in the main circuit, the designed active EMI filter (AEF) in this article is added in the grounding circuit which is connected between motor frame and the ground an...Show More
High speed PCB & spiral with patch EBG planar integration for EMI reduction
2015 International Conference on Computer, Communications, and Control Technology (I4CT)
Year: 2015 | Conference Paper |
The need of high-speed printed circuit board design has increased in modern integrated circuitry while maintaining signal integrity and EMC standards as they became challenging issue. In this work, a high-speed PCB design which emitted high radiated emissions exceeding the EMC standard limits up to 4.54 GHz, has been fabricated and gone under radiated emission test. The EMI of the proposed P...Show More
Reduced Conductive EMI in Switched-Mode DC–DC Power Converters Without EMI Filters: PWM Versus Randomized PWM
This paper addresses improved electromagnetic compatibility (EMC) in switched-mode power converters (SMPCs), without using electromagnetic interference (EMI) filters. A practical solution is proposed for minimizing conductive EMI in a pulsewidth modulated (PWM), and random PWM dc-dc power converters. A comparative investigation is performed into the use of different random modulation s...Show More
The analysis of EMI effects on the performance of electronic systems implemented on a PCB
2016 IEEE 20th Workshop on Signal and Power Integrity (SPI)
Year: 2016 | Conference Paper |
Cited by: Papers (4)
In this paper the effects of electromagnetic interference (EMI) on the performance of electronic systems implemented on printed circuit boards (PCB) are studied. Categorization of various degradations on the behavior of the system performance is done. Quantization of the performance depends on the system functionality and major constituting blocks. To do so, the performance of the front-end ...Show More
A Virtual Capacitor Based Transformerless Active Common-Mode EMI Filter
2024 IEEE Energy Conversion Congress and Exposition (ECCE)
Year: 2024 | Conference Paper |
Cited by: Papers (1)
The rapid switching actions of switch-mode power converters generate conducted electromagnetic interference (EMI). A virtual capacitor based active EMI filter (VC-AEF) is proposed to suppress common-mode (CM) EMI. The VC-AEF employs an integrator amplifier to generate a controlled voltage source, endowing it with impedance characteristics identical to those of a capacitor. An equ...Show More
Experimental and Simulation based Analysis of an Active EMI Filter for automotive PFC Applications
Patrick Körner;Philip Brockerhoff;Felix Müller;Mihai Polita;Wolfgang Hauser;Marco Jung
2024 Energy Conversion Congress & Expo Europe (ECCE Europe)
Year: 2024 | Conference Paper |
An On-Board Charger (OBC) within an Electric Vehicle (EV) is used to charge the high-voltage battery. The rectification of the AC-mains grid voltage is typically done with a Power Factor Correction (PFC) rectifier system. To ensure Electromagnetic Compatibility (EMC), an Electromagnetic Interference (EMI) filter is needed between the PFC stage and the grid. This paper proposes a Voltage Sens...Show More
A new technique for modeling and analysis of mixed-mode conducted EMI noise
This work presents a new technique for modeling and analysis of the mixed-mode (MM) electromagnetic interference (EMI) noise. The analytical MM noise model is first investigated to get a full understanding of the EMI mechanism. It is shown that with the suitable and justified model, many practical filters pertinent to MM noise are investigated, and the noise attenuation can also be der...Show More
Design and experimental analysis of a three-phase active CM/DM conducted EMI noise separator
This work investigates three-phase electromagnetic interference (EMI) conducted emission (CE) measurements with the aim to separate the noise voltages in their common-mode (CM) and differential-mode (DM) parts. By doing so, the converter input and/or output filter stages can be individually optimized to improve the CM or DM attenuation depending on the origin of the CE disturbances. An overv...Show More
Analysis and Design of an Active Common-Mode EMI Filter without Auxiliary Power Supply
2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia)
Year: 2024 | Conference Paper |
Cited by: Papers (1)
Active electromagnetic interference (EMI) filters (AEFs) employ active components to actively suppress conducted EMI in power electronics systems, with their electric power typically provided by an isolated auxiliary power supply (APS). However, the addition of an APS can increase the volume and weight of the AEF, while its maximum output power may limit the EMI suppression effec...Show More
Automatic EMI Measurement and Filter Design System for Telecom Power Supplies
Tests for compliance with conducted emission limits are usually carried out during the electrical product design process. Electromagnetic interference (EMI) filters are widely used for filtering excessive conducted emissions on a power cord. In this paper, a personal computer (PC)-based automatic EMI measurement and filter design system for telecom power supplies is proposed. The commo...Show More
Conductive EMI analysis and suppression technology of electric vehicle driving system
2017 29th Chinese Control And Decision Conference (CCDC)
Year: 2017 | Conference Paper |
Cited by: Papers (5)
With the electric vehicle drive system running electromagnetic compatibility problems become more and more serious, how to effectively suppress the conducted interference problem has become a technical problem. In this paper, the mechanism and the coupling path of conducted EMI in EV drive system are analyzed, and the suppression effect of electromagnetic interference is discussed from the a...Show More
An optimized high-frequency EMI filter design for an automotive DC/DC-converter
2021 National Power Electronics Conference (NPEC)
Year: 2021 | Conference Paper |
Cited by: Papers (6)
As a consequence of the limited space in automotive vehicles and the focus on effective and cost-efficient power electronics, the interest in fast-switching switched-mode power supplies is increasing. Such fast-switching devices generate high EMI emissions that must be attenuated to meet given EMC requirements. Typically, passive EMI filters are used to reduce the generated emissions o...Show More
A Methodology to Emulate the Effect of EMI in Circuit Simulators for Wireline Communication Channel
Mohit Singh Choudhary;Naga Surya Anjan Kumar Pudi;Jean-Michel Redouté;Maryam Shojaei Baghini
This letter presents a methodology to model the effect of electromagnetic interference (EMI) on the wireline communication channels. The proposed simulation methodology incorporates the effect of EMI on the circuit during the design phase in EMI-sensitive applications. It allows simple and faster EMI simulations at the SPICE level which minimizes the post-fabrication failur...Show More
Analysis and suppression for radiated EMI noises generated by radio frequency identification (RFID) based-systems
2010 International Conference on Microwave and Millimeter Wave Technology
Year: 2010 | Conference Paper |
In order to pass GB 9254 Class A, a convenient method is proposed to analyze and suppress the radiated electromagnetic interference (EMI) generated by radio frequency identification (RFID) based-systems. Near-field wave impedance is employed to identify the mechanism of it. Then, several shunt capacitors are utilized to reduce the radiated EMI noises due to its fixed structure and inte...Show More
Modeling and Optimization Design of Active Common-Mode EMI Filters for DC/AC Power Converters
2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia)
Year: 2024 | Conference Paper |
As power electronics move to high power density, electromagnetic interference (EMI) filters play a greater role in power converters. The application of active EMI filters (AEF) effectively reduces the size of passive filter components. However, there is still room for further improvement in AEF optimization design research. This paper first analyzes the compensation mechanism of AEF an...Show More
EMI noise control methods suitable for electric vehicle drive systems
Methods to control electromagnetic interference (EMI) noises, especially common mode currents and radiations that are generated in electric vehicle (EV) drive systems, were studied using an electric vehicle (EV) prototype. Fast fourier transform (FFT) analyses of the voltage and current appearing in the EV drive systems showed that electromagnetic interference (EMI) noise sources are p...Show More
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