Guidance for installation procedures and tolerances of hydroelectric machines - Part 2: Vertical gen...
The purpose of IEC 63132-2:2020 is to establish, in a general way, suitable procedures and tolerances for installation of generator. This document presents a typical assembly. There are many possible ways to assemble a unit. The size of the machines, design of the machines, layout of the powerhouse or delivery schedule of the components are some of the elements that could result in additional…
Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary lithium...
IEC 61960-4:2020 specifies performance tests, designations, markings, dimensions and other requirements for coin secondary lithium cells and batteries for portable applications and backup power supply such as memory backup applications.
The objective of this document is to provide the purchasers and users of coin secondary lithium cells and batteries with a set of criteria with which they can…
Guideline for safe operation of medical equipment used for haemodialysis treatments
IEC TR 62653:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC TR 62653:2020 describes the technical recommendations for use of medical equipment in chronic Haemodialysis,…
1.1 This standard covers adhesive and non-adhesive backed tapes intended for use with finished
electro-mechanical products.
1.2 Results obtained provide data with respect to the physical, electrical, flammability, thermal, adhesion
and other properties of the tapes under consideration and are intended to provide guidance for tape
manufacturers, end-product manufacturers, safety engineers, and…
Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape
1.1 In the US, this standard covers the following:
a) Thermoplastic and rubber tapes for use as electrical insulation at not more than 600 V and at 80°
C (176° F) and lower temperatures on joints and splices in wires and cables in accordance with
NFPA 70. It is intended that rubber tape on a joint or splice be mechanically protected by a
covering such as friction, PE (thermoplastic…
Performance of high-voltage direct current (HVDC) systems with line-commutated converters - Part 1: ...
IEC TR 60919-1:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC TR 60919-1:2020(E) provides general guidance on the steady-state performance requirements of high-voltage…
Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 1: General ...
IEC 63093-1:2020 specifies the dimensions and allowable limits of surface irregularities of ferrite cores.
It is intended that this document excludes ferrite cores which are specialty cores with limited use. Also, special cores which are only marginal variations upon standard cores are excluded.
IEC publishes electrical standards for families of ferrite cores, as well as this series of…
Additive manufacturing — Material extrusion-based additive manufacturing of plastic materials — Part...
This document describes a method for defining requirements for plastic materials used in extrusion-based additive manufacturing (AM) processes. Materials include unfilled, filled, and reinforced plastic materials suitable for processing into parts. These materials can also contain special additives (e.g. flame retardants, stabilizers, etc.). Processes include all material extrusion-based AM…
Plastics — Assessment of the intrinsic biodegradability of materials exposed to marine inocula under...
This document specifies test methods and criteria for showing intrinsic biodegradability in marine environments of virgin plastic materials and polymers without any preliminary environmental exposure or pre-treatment.
Test methods applied in this document are carried out at temperatures in the mesophilic range under aerobic conditions and are aimed to show ultimate biodegradability, i.e.…
Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements
IEC 60974-10:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60974-10:2020 is applicable to equipment for arc welding and allied processes, including power sources and…
