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External influences
Published in Ray Tricker, Wiring Regulations in Brief, 2020
To reduce the effects of EMI, the following measures shall be considered: Ensuring that there is adequate separation between power and signal cables.Ensuring that the areas of all wiring loops are as small as possible in order to minimise voltages induced by lightning.Including surge protective devices and/or filters to improve the electromagnetic compatibility of electrical equipment sensitive to electromagnetic disturbances.Installing an equipotential bonding network.Installing power cables (i.e. line, neutral and any protective Earth conductors) close together in order to minimize cable loop areas.Limiting the amount of fault current from power systems flowing through the screens and cores of signal cables, or data cables, which are earthed.Using surge protective devices and/or filters to improve the electromagnetic compatibility (EMC) of electrical equipment sensitive to electromagnetic disturbances.
Reliability Evaluation
Published in Richard C. Fries, Handbook of Medical Device Design, 2019
Electromagnetic Compatibility (EMC) testing is conducted to determine the maximum levels of electromagnetic emissions the device is allowed to produce and to determine the minimum levels electromagnetic interference to which the device must not be susceptible. Medical devices, especially those used in the Operating Room environment, must not interfere with the operation of other devices or have its operation interfered with by other devices through electromagnetic radiations.
Environmental factors and testing
Published in Stephen Sangwine, Electronic Components and Technology, 2018
The EU Electromagnetic Compatibility (EMC) Directive, referred to in Chapter 8, has made electromagnetic type testing an essential part of the design and development programme for any electrical or electronic product, and not only within the EU, since many designs are sold worldwide.
Conducted Electromagnetic Interference Spectral Peak Mitigation in Luo-Converter Using FPGA-Based Chaotic PWM Technique
Published in Electric Power Components and Systems, 2019
Sudhakar Natarajan, Pydikalva Padmavathi, Jyotheeswara Reddy Kalvakurthi, Thanikanti Sudhakar Babu, Vigna K. Ramachandaramurthy, Sanjeevikumar Padmanaban
Electromagnetic interference (EMI) is one of the major issues which are faced by the industries and the users who deal with the electrical and electronic equipment on the daily basis. EMI is an undesirable noise which affects the performance of the electrical and electronics devices due to their electromagnetic radiation and conduction in the atmosphere [1]. Power conversion is one of the important fields in the industries and among various type of conversions, DC-DC power conversion has wide employment in various applications such as regulated power supplies for computers, laptops, mobile phones, DC motor drives, electronic vehicles, and telecommunications equipment. EMI basically resulted from the high rate of change of voltage and current in the converters, and it has become a major design criterion in almost all DC-DC converters. Due to its fast switching action, DC-DC converters are treated as main source and as well as victims of EMI. Therefore, EMI becomes serious problem and it has to be deal at designing level of DC-DC converters. Various international organizations like Federal Communications Commission (FCC), International Electrotechnical Commission (IEC), and Institute of Electrical and Electronics Engineers (IEEE) have made electromagnetic compatibility (EMC) standards and rules to be followed in order to reduce the EMI effect and to keep the environment free from EMI. The main aim these organizations is to meet EMI regulations while not interfering with the performance of other applications nearby.