IEC Standards

This Part of IEC 61 378 deals with the specification, design and testing of power transformers and reactors which are intended for integration within semiconductor converter plants; it is not applicable to transformers designed for industrial or public distribution of a.c. power in general. The scope of this International Standard is limited to application of […]

This part of IEC 61 331 applies to materials in sheet form used for the manufacturing of PROTECTIVE DEVICES against X -RADIATION of RADIATION QUALITIES generated with X- RAY TUBE VOLTAGES up to 400 kV and gamma radiation emitted by radionuclides with photon energies up to 1 ,3 MeV. This Part 1 is not intended

This part of IEC 61326 specifies requirements for immunity and emissions regarding electro-magnetic compatibility (EMC) for electrical equipment, operating from a supply or battery of less than 1 000 V a.c. or 1 500 V d.c. or from the circuit being measured. Equipment intended for professional, industrial-process, industrial-manufacturing and educational use is covered by this

This part of IEC 61 287 defines terminology, service conditions, general characteristics and test methods of electronic power converters onboard of rolling stock. This International Standard is applicable to power electronic converters mounted on board railway rolling-stock and intended for supplying – traction circuits; – auxiliary circuits of power vehicles, coaches and trailers.

This part of IEC 61 083 is applicable to digital recorders, including digital oscilloscopes, used for measurements during tests with high impulse voltages and high impulse currents. It specifies the measuring characteristics and calibrations required to meet the measuring uncertainties and procedures specified in IEC 60060-2 and IEC 62475. This document • defines the terms

This Part of IEC 61 056 specifies the general requirements, functional characteristics and methods of test for all general purpose lead-acid cells and batteries of the valve-regulated type : • for either cyclic or float charge application; • in portable equipment, for instance, incorporated in tools, toys, or in static emergency, or uninterruptible power supply

This part of IEC 61 034 provides details of the test apparatus to be used for measuring smoke emission when electric or optical fibre cables are burnt under defined conditions, for example,a few cables burnt horizontally. The light transmittance (l t ) under flaming combustion and smouldering conditions can be used as a means of