Group, The biweekly update from IEC just arrived. The following may be of interest. You can get the update by sending e-mail to c...@iec.ch.
---------------------------- /\ | Martin Rowe | / \ | Senior Technical Editor | / \ /\ | Test & Measurement World | / \ / \ /\ ____ | voice 617-558-4426 |/ \ / \ / \/ | fax 617-928-4426 | \ / \/ | e-mail m.r...@ieee.org | \ / | http://www.tmworld.com | \/ ---------------------------- CISPR 14-1 (2000-03) - Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus - Part 1: Emission Applies to the conduction and the radiation of radio-frequency disturbances from appliances whose main functions are performed by motors and switching or regulating devices, unless the r.f. energy is intentionally generated or intended for illumination. Includes such equipment as: household electrical appliances, electric tools, regulating controls using semiconductor devices, motor-driven electromedical apparatus, electric toys, automatic dispensing machines as well as cinema or slide projectors. According to M.C. Vrolijk (Nederlandse Philips Bedrijven BV), secretary of the subcommittee F of CISPR (Interference relating to household appliances, tools, lighting equipment and similar apparatus) "the first edition of CISPR 14 in 1975 was, as one of the first international standards on radio interferences, trend-setting in the protection of radio services. In fact limits for three phenomena were described, related to the unwanted radio emissions from household appliances and portable tools: - on terminal voltage (from 150 kHz to 30 MHz) on the mains cord, - on potential radiated power (from 30 MHz to 300 MHz) from all electric cords, and - on discontinuous disturbaces on the mains cord, the so-called "clicks". This approach has proved to be valid for a quarter of a century, and is still the basis of this 4th edition." Vrolijk adds that "it may be expected that this new edition of CISPR 14-1 will also be adopted, or referred to, in legislation on radio disturbances in many countries all over the world. This way the new edition will contribute to the elimination of technical trade barriers and support an open global market." ICS code: 33.100.10 CIS/F 133 pp. CHF 184,00 IEC 60076-3 (2000-03) - Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air Gives insulation requirements for power transformers and the corresponding insulation tests for specific windings and their terminals. Includes appendices on: partial discharge measurements during induced overvoltage withstand tests on transformers; overvoltage transferred from a high-voltage winding to a low-voltage winding; information to be supplied with enquiries and orders. ICS code: 29.180 TC 14 107 pp. CHF 156,00 ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: jim_bac...@mail.monarch.com Michael Garretson: pstc_ad...@garretson.org For policy questions, send mail to: Richard Nute: ri...@ieee.org
