From the International Electrotechnical Commission webstore: "IEC 60974-10:2014 specifies: a) applicable standards and test methods for radio-frequency (RF) emissions; b) applicable standards and test methods for harmonic current emission, voltage fluctuations and flicker; c) immunity requirements and test methods for continuous and transient, conducted and radiated … [Read more...]
Standards
IEC/TR 61869-102:2014(E): Instrument Transformers – Part 102: Ferroresonance Oscillations in Substations with Inductive Voltage Transformers
From the International Electrotechnical Commission webstore: "IEC/TR 61869-102:2014(E) provides technical information for understanding the undesirable phenomenon of ferroresonance oscillations in medium voltage and high voltage networks in connection with inductive voltage transformers. Ferroresonance can cause considerable damage to voltage transformers and other equipment. … [Read more...]
IEC TS 62153-4-1:2014(E): Metallic Communication Cable Test Methods – Part 4-1: EMC – Introduction to Electromagnetic Screening Measurements
From the International Electrotechnical Commission webstore: "IEC TS 62153-4-1:2014(E) deals with screening measurements. Screening (or shielding) is one basic way of achieving electromagnetic compatibility (EMC). However, a confusingly large number of methods and concepts are available to test for the screening quality of cables and related components, and for defining their … [Read more...]
IEC 60794-1-20 ed1.0: Optical Fiber Cales – Part 1-20: Generic Specification – Basic Optical Cable Test Procedures – General and Definitions
From the International Electrotechnical Commission webstore: "IEC 60794-1-20:2014 applies to optical fiber cables for use with telecommunication equipment and devices employing similar techniques, and to cables having a combination of both optical fibers and electrical conductors. The object of this standard is to define test procedures to be used in establishing uniform … [Read more...]
EN 12016:2013: EMC – Product Family Standard for Lifts, Escalators and Moving Walks – Immunity
From the European Committee for Standardization: "This European Standard specifies the immunity performance criteria and test levels for apparatus used in lifts, escalators and moving walks which are intended to be permanently installed in buildings including the basic safety requirements in regard to their electromagnetic environment. These levels represent essential EMC … [Read more...]
IEC 62586-2:2013: Power Quality Measurement in Power Supply Systems – Part 2: Functional Tests and Uncertainty Requirements
From the International Electrotechnical Commission webstore: "IEC 62586-2:2013 specifies functional tests and uncertainty requirements for instruments whose functions include measuring, recording, and possibly monitoring power quality parameters in power supply systems, and whose measuring methods (class A or class S) are defined in IEC 61000-4-30. This standard applies to … [Read more...]
IEC 61786-1:2013: Measurement of DC Magnetic, AC Magnetic and AC Electric Fields from 1 Hz to 100 kHz with Regard to Exposure of Human Beings – Part 1: Requirements for Measuring Instruments
From the International Electrotechnical Commission webstore: "IEC 61786-1:2013 provides guidance for measuring instruments used to measure the field strength of quasi-static magnetic and electric fields that have a frequency content in the range 1 Hz to 100 kHz and with DC magnetic fields to evaluate the exposure levels of the human body to these fields. Sources of fields … [Read more...]
Broadband Standard Achieves 1 Gbit/s Over Existing Telephone Lines
The International Telecommunication Union (ITU) has announced initial approval for a new broadband standard capable of achieving data transmission speeds of up to 1 Gbit/s over existing copper telephone lines. G.Fast (full name ITU-T G.9701) is expected to be a cheaper, easier-to-deploy alternative to FTTX configurations for delivering fiber-like transmission speeds to … [Read more...]
IEC 60243-2:2013: Electric Strength of Insulating Materials – Test Methods – Part 2: Additional Requirements for Tests Using Direct Voltage
From the International Electrotechnical Commission webstore: "IEC 60243-2:2013 gives requirements additional to those in IEC 60243-1 for the determination of the electric strength of solid insulating materials under direct voltage stress. This third edition cancels and replaces the second edition published in 2001, and constitutes an editorial revision." … [Read more...]
IEC 60358-3:2013: Coupling Capacitors and Capacitor Dividers – Part 3: AC or DC Coupling Capacitor for Harmonic-Filters Applications
From the International Electrotechnical Commission webstore: "IEC 60358-3:2013 applies to AC or DC single-phase coupling capacitor, with rated voltage higher than 1,000 V, connected line to ground with the low voltage terminal either permanently earthed or connected to a tuning device for harmonic-filters applications. It replaces Clause 1 of IEC 60358-1:2012." … [Read more...]
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