Hlavní oblasti

Oblast zaměření: Fotovoltaické systémy
Komise : IEC/TC 82 (Solar photovoltaic energy systems)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 4.12.2018
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This part of IEC62788 provides procedures for standardized test methods for evaluating the properties of materials designed to be used as edge seals. When modules are constructed with impermeable (or extremely low permeability) front- and backsheets designed to protect moisture sensitive photovoltaic (PV) materials, there is still the possibility for moisture to get in from the sides. This moisture ingress pathway may be restricted by using a low diffusivity material around the perimeter of a module between the impermeable front- and backsheets. Alternatively, one may wish to use a low diffusivity encapsulant which may significantly reduce moisture ingress over the lifetime of the module and would want it to be evaluated similarly to an edge seal material.

 

In addition to restricting moisture ingress, edge seal materials must also provide electrical insulation. To perform these functions, edge seal materials must remain well adhered.

 

The test methods here are intended to be used to standardize the way edge seals are evaluated. Only some of these tests are actually required for IEC qualification tests for PV modules and that status depends on the application. It is not required that all of these tests be performed, but it is recommended that these properties be measured as indicated.

Komise : IEC/SC 62A (Common aspects of electrical equipment used in medical practice)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 4.12.2018
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Amendment

 

In NOTEthe existing note 1, replace "functionality" with "performance".

In NOTEthe existing note 2", replace "IEC 62366-2" with "IEC TR 62366-2".

In the second paragraph, replace "International Standard" with "document".

Replace existing footnote 2 with the following.

2)  IEC TR 62366-2, Medical devices – Part 2: Guidance on the application of usability engineering to medical devices.

Oblast zaměření: Polovodiče
Komise : IEC/TC 47 (Semiconductor devices)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 4.12.2018
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This part of IEC 62830 defines terms, definitions, symbols and specifies configurations and test methods to be used to evaluate and determine the performance characteristics of vertical contact mode triboelectric energy harvesting devices for practical use. This part of IEC 62830 is applicable to energy harvesting devices as power sources for wearable devices and wireless sensors used in healthcare monitoring, consumer electronics, general industries, military, and aerospace applications without any limitations on device technology and size.

Oblast zaměření: Elektrická relé
Komise : IEC/SC 37B (Specific components for surge arresters and surge protective devices)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 4.12.2018
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This International Standard specifies test circuits and methods standard for thyristor surge suppressor (TSS) components. These surge protective components, SPCs, are specially formulated thyristors designed to limit overvoltages and divert surge currents by clamping and switching actions. These SPCs are used in the construction of surge protective devices (SPDs) and equipment used in Information & Communications Technologies, (ICT) networks with voltages up to AC 1000 V and DC 1500 V. This International Standard is applicable to gated or non-gated TSS components with third quadrant (-v and –i) characteristics of blocking, conducting or switching.

This standard contains information on

terminology;

letter symbols;

essential ratings and characteristics;

rating verification and characteristic measurement;

 

This standard does not apply to the conventional three-terminal thyristors as covered by IEC 60747-6.

Oblast zaměření: Pojistky
Komise : IEC/SC 32A (High-voltage fuses)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 4.12.2018
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Amendment

 

Replace the existing text by the following new text:

This standard applies to fuse-links complying with IEC 60282‑1 that are used with motors started direct-on-line on alternating current systems of 50 Hz and 60 Hz.

Fuse-links according to this specification are intended to withstand normal service conditions and motor starting pulses.

The purpose of this standard is to standardize time-current characteristics and to formulate pulse withstand requirements regarding testing. 

This standard also applies to fuse-links used with motors that use assisted starting when appropriate care has been taken with selecting the rated current of the fuse-link (using advice from 5.2.3 of IEC/TR  62655:2013 and from the fuse manufacturer).

Oblast zaměření: Kvalita vody a dodávka vody
Komise : CEN/TC 230 (Water analysis)
Původce: CEN
K připomínkám do: 4.12.2018
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This document gives criteria for mass spectrometric identification of target compounds in water samples and may be applied to environmental samples in general. This document shall be used in conjunction with a standard developed for the determination of the specific compounds, for example, ISO 17943[3] for volatile organic substances or ISO 16693[1] for determination of organochlorine pesticide (OCP). If the standard method for analysing specific compounds includes criteria for identification, those criteria shall be followed.

Oblast zaměření: Kvalita vody a dodávka vody
Komise : CEN/TC 230 (Water analysis)
Původce: CEN
K připomínkám do: 4.12.2018
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This document specifies the critical points to consider while developing an in‑house mass spectrometry‑based method for quantitative analysis of multi‑group organic substances in the scope of physical‑chemical analysis of water.

ISO/TS 13530 provides guidance on the initial characterization of the measurement performances. This document supplements ISO/TS 13530 by providing details on the following points:

—    selection of the characterization-test matrix;

—    internal standards and internal standard recoveries;

—    analyte recovery;

—    checking that performance levels do not degrade over time.

Chromatographic separation and identification of analytes are described in ISO/DIS 21253‑1.

The estimation of measurement uncertainties is integral to the characterization of any quantitative method of analysis, but the process is not described here, as ISO 11352 applies. Similarly, the calibration protocols are not described here but set out in the ISO 8466‑ series of standards.

This document is not intended as a substitute for the currently applicable analytical standards dedicated to organic compounds but as a resource bringing additional characterization elements.

Oblast zaměření: Vodiče pro vinutí
Komise : IEC/TC 55 (Winding wires)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 11.12.2018
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This part of IEC 60317 specifies the requirements of paper tape covered rectangular copper winding wires. This covering consists of two or more layers of paper tape, all in the same direction and is primarily intended for winding coils for oil immersed transformers.

The range of nominal conductor dimensions covered by this standard is

width: min. 2,0 mmmax. 16,0 mm;

thickness: min. 0,80 mmmax. 5,60 mm.

The paper tapes covered by this standard are restricted to those specified in IEC 60554-1 having thicknesses in the range 25 mm to 125 mm inklusive.

Oblast zaměření: Elektromechanické součástky
Komise : IEC/SC 48B (Connectors)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 11.12.2018
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This part of IEC 60512, when required by the detail (product) specification, is used for testing connectors within the scope of IEC technical committee 48. This test may also be used for similar devices (i.e. when the degradation mechanisms are the same) when specified in a detail (product) specification.

The object of this test is to define a standard test method to assess the ability of connectors to function in a specified manner, in a specified environment which might be encountered during normal use, including storage.

This document provides a standard composite test method for determining the suitability of connectors when subjected to environmental conditions consisting of a sequence of temperature, humidity and, where required, low air pressure environmental stresses.

The order of application of the stresses and the conditions for the change from one step to the next have been chosen to accelerate, amplify and allow potential interactions of degradation mechanisms of the same type as those observed under natural climatic conditions.

In this composite test, connector specimens are exposed to environmental tests in a standard order and categorized according to their climatic category as assigned by the detail (product) specification, except that the third group of digits is used as an indication of the number of cycles in step 5 of the damp heat cyclic test according to IEC 60512-11-12.

Where any modification is necessary, the relevant connector detail (product) specification provides the necessary information for each step in the method.

This test is frequently specified to follow other tests involving mechanical stress, for example tests for robustness of terminations, solderability, shock and vibration, as a means of determining whether the sealing of the specimen has been damaged.

Oblast zaměření: Pojistky
Komise : IEC/SC 32A (High-voltage fuses)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 11.12.2018
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This part of IEC 60282 applies to all types of high-voltage current-limiting fuses designed for use outdoors or indoors on alternating current systems of 50 Hz and 60 Hz and of rated voltages exceeding 1 000 V.