ANSI C63.5 – 2006 is entitled “American National Standard for Electromagnetic Compatibility – Radiated Emissions Measurements for Electromagnetic Interference (EMI) Control – Calibration of Antennas. This standard provides methods for determining antenna factors of antennas used for radiated emission measurements of electromagnetic interference (EMI) from 9 kHz to 40 GHz. … [Read more...]
Standards
NEBS
NEBS (Network Equipment Building Standards) is the set of safety, spatial, and environmental design guidelines applied to telecommunications equipment in the United States. The NEBS concept was first introduced by Bell Labs in the 1970s. Telcordia, and its predecessor Bellcore have maintained the NEBS documents since the divestiture of the local Bells in 1984. Additional … [Read more...]
Solar Inverters and the Issue of EMC Compliance
EMC regulation of solar installation equipment has failed to keep pace with actual developments. Siegfried W. Best As populations throughout the world become more aware of environmental issues and the necessity of forestalling further damage and pollution, attention has been focused on finding eco-friendly means of generating electric power. Wind farms are one highly touted … [Read more...]
New British Lightning Standard Goes into Effect in September
In just a few weeks, significant changes in British lightning protection standards will be in place as the old BS EN 6651:1999 is withdrawn and the new BS EN 62305:2006 takes its place. The new standard is a much longer and more complex document with extensive sections on risk assessment and the protection of electrical and electronic equipment. The new BS EN62305:2006 can be … [Read more...]
CISPR Issues Technical Report on EM Disturbance Measurements from Large Equipment
CISPR 16-2-5:2008(E) deals with in situ electromagnetic disturbance measurements in any environment from physically large equipment and systems excluding networks. It covers both radiated and conducted emission phenomena and does not deal with immunity tests. This technical report is intended to be applied primarily to such physically large equipment that are not under the … [Read more...]
Two CISPR EMC Drafts Issued
CISPR 15 Amd. 2 Ed. 7.0 (2008-06) and CISPR16-2-1 Ed. 2.0 (2008-06) are now available. Amendment 2 of CISPR 15 involves the “introduction of measurement instrumentation uncertainty and deletion of banning of sales.” Edition 2 of CISPR 16-2-1 involves the “specification for radio disturbance and immunity measuring apparatus and methods – Part 2-1: Methods of measurement of … [Read more...]
New CISPR and IEC EMC Standards Issued
Two new EMC standards are available from the International Electrotechnical Commission. CISPR 14-2 Ed. 1.2 (2008-07) is entitled “Electromagnetic compatibility – Requirements for household appliances, electric tools, and similar apparatus – Part 2: Immunity – Product family standard.” This document deals with the electromagnetic immunity of appliances and similar apparatus for … [Read more...]
Amended Standard Covers Testing of Power Supplies, Harmonics, and Interharmonics
The International Electrotechnical Commission has issued IEC 61000-4-7-am 1 Ed. 2.0. This amended standard is entitled, “Electromagnetic compatibility (EMC) – Part 4-7: Testing and measurement techniques – General Guide on harmonics and interharmonics measurements and instrumentation for power supply systems and equipment connected thereto.” For more information, or to … [Read more...]
The International Medical Device EMC Standard—IEC 60601-1-2
The “-2” standard is increasingly important in the electrical medical device world. Dan Hoolihan, Houlihan EMC Consulting, Lindstrom, MN, USA INTRODUCTION The most well-known and used EMC Standard for Electrical Medical Devices is IEC 60601-1-2 ("-2") which is entitled "Medical Electrical Equipment – Part 1-2: General Requirements for Basic Safety and Essential … [Read more...]
Japanese Industrial Standards Committee Boosts Standards Awareness
Last year the Japanese Industrial Standards Committee (JISC) launched an awareness program drawing attention to the importance of international standards and standardization. The program is aimed at a range of audiences, both those directly involved in standardization because of their work or profession and those with little or no knowledge of electrical standards and their … [Read more...]
- « Previous Page
- 1
- …
- 62
- 63
- 64
- 65
- 66
- …
- 69
- Next Page »