Electromagnetic compatibility (EMC) - Part 4-24: Testing and measurement techniques - Test methods f...
IEC 61000-4-24:2015+AMD1:2023 deals with methods for testing protective devices for HEMP conducted disturbance. It includes two-terminal elements, such as gas discharge tubes, varistors, and two-port SPDs, such as HEMP combination filters. It covers testing of voltage breakdown and voltage-limiting characteristics but also methods to measure the residual voltage and/or the residual current, peak…
Communication networks and systems for power utility automation - Part 90-7: Object models for power...
IEC TR 61850-90-7:2023, which is a Technical Report, describes functions for power converter-based distributed energy resources (DER) systems, focused on DC-to-AC and AC-to-AC conversions and including photovoltaic systems (PV), battery storage systems, electric vehicle (EV) charging systems, and any other DER systems with a controllable power converter. The functions defined in this document…
This document specifies the characteristics of hexagon regular nuts (style 1), in steel and stainless steel, with metric coarse pitch thread M5 to M39, and with product grades A and B.
NOTE For nuts with sizes D < M5 and D > M39, see Annex A.
If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO…
Le présent document spécifie les caractéristiques des écrous normaux hexagonaux (style 1), en acier et en acier inoxydable, à filetage métrique à pas gros M5 à M39, et de grades A et B.
NOTE Pour les écrous de diamètres D < M5 et D > M39, voir l’Annexe A.
Si dans certains cas d’autres spécifications sont requises, les classes de qualité et les grades d’acier inoxydable peuvent…
Winding wires - Test methods - Part 3: Mechanical properties
IEC 60851-3:2023 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 60851-3: 2023 specifies the following test methods for winding wires:
- Test 6: Elongation;
- Test 7:…
Winding wires - Test methods - Part 3: Mechanical properties
IEC 60851-3: 2023 specifies the following test methods for winding wires:
- Test 6: Elongation;
- Test 7: Springiness;
- Test 8: Flexibility and adherence;
- Test 11: Resistance to abrasion;
- Test 18: Heat bonding.
For definitions, general notes on test methods and the complete series of test methods for winding wires, IEC 60851-1 applies. This document also provides recommended friction…
Fils de bobinage - Méthodes d'essai - Partie 3: Propriétés mécaniques
IEC 60851-3: 2023 spécifie les méthodes d’essai suivantes pour les fils de bobinage:
- Essai 6: Allongement;
- Essai 7: Effet de ressort;
- Essai 8: Souplesse et adhérence;
- Essai 11: Résistance à l’abrasion;.
- Essai 18: Thermoadhérence.
Pour les définitions, les généralités concernant les méthodes d’essai et les séries complètes des méthodes d’essai des fils de bobinage, c’est l’IEC…
Shunt capacitors for AC power systems having a rated voltage above 1 000 V - Part 3: Protection of s...
IEC TS 60871-3:2015+AMD1:2023 which is a technical specification, gives guidance on the protection of shunt capacitors and shunt capacitor banks. it applies to capacitors according to IEC 60871-1. This second edition cancels and replaces the first edition published in 2005. This edition constitutes a technical revision. This edition includes the following significant technical changes with…
