Standards

IEC 61000-4-15, now available from the International Electrotechnical Commission, gives a functional and design specification for flicker measuring apparatus intended to indicate the correct flicker perception level for all practical voltage fluctuation waveforms.View a preview of this document at the IEC website. … [Read more...]

CISPR/TR 18-1 ed2.0: Radio interference characteristics of overhead power lines and high-voltage equipment - Part 1: Description of phenomenaThis technical report forms the first of a three-part publication dealing with radio noise generated by electrical power transmission and distribution facilities (overhead lines and substations). It contains information in relation of the … [Read more...]

CISPR/TR 18-2 ed2.0: Radio interference characteristics of overhead power lines and high-voltage equipment - Part 2: Methods of measurement and procedure for determining limits This technical report forms the second of a three-part publication dealing with radio noise generated by electrical power transmission and distribution facilities (overhead lines and substations). It … [Read more...]

CISPR/TR 18-3 ed2.0: Radio interference characteristics of overhead power lines and high-voltage equipment - Part 3: Code of practice for minimizing the generation of radio noise From the International Electrotechnical Commission webstore: "This technical report forms the third of a three-part publication dealing with radio noise generated by electrical power transmission and … [Read more...]

Amendment 1 - Specification for radio disturbance and immunity measuring apparatus and methods - Part 2-1: Methods of measurement of disturbances and immunity - Conducted disturbance measurementsThe International Electrotechnical Commission recently launched the CISPR 16-2-1-am1 ed 2.0 specification covering the methods of measurement of conducted power disturbances and … [Read more...]

The VCCI has delivered the first annual report since VCCI was changed on April1, 2009 to a juridical corporate body “General Incorporated Foundations VCCI Council” from a “voluntary organization VCCI.” The number of VCCI members reached as large as 1,234 at the end of March 2010, according to the report.A pre-market pillar to secure the reliability of the VCCI mark is to … [Read more...]

Specification for radio disturbance and immunity measuring apparatus and methods –Part 2-2: Methods of measurement of disturbances and immunity – Measurement of disturbance powerThe International Electrotechnical Commission recently released CISPR 16-2-2, which specifies the methods of measurement of disturbance power using the absorbing clamp in the frequency range 30 MHz to … [Read more...]

IEC 62479:2010 provides simple conformity assessment methods for low-power electronic and electrical equipment to an exposure limit relevant to electromagnetic fields (EMF). If such equipment cannot be shown to comply with the applicable EMF exposure requirements using the methods included in this standard for EMF assessment, then other standards, including IEC 62311 or other … [Read more...]