IEC TR 62652 pdf download
IEC TR 62652 pdf download Effects of engaging and separating under electrical load on connector interfaces in cabling used to support IEEE 802.3af (power-over-ethernet) applications 4 General This Technical Report summarizes information on the effects of engaging and separating under electrical load on the connecting hardware in cabling used to support IEEE 802.3af (Power-over-Ethernet (PoE)) applications. It is intended to...
IEC TR 62662 pdf download
IEC TR 62662 pdf download Guidance for production, testing and diagnostics of polymer insulators with respect to brittle fracture of core materials 5 Identification of brittle fracture The macroscopic features associated with the brittle fracture of an FRP core rod have been described by CIGRE [2] 1 . A typical brittle fracture is shown in Figure 1 . The fracture...
IEC TS 60349-3 pdf download
IEC TS 60349-3 pdf download Electric traction – Rotating electrical machines for rail and road vehicles – Part 3: Determination of the total losses of converter-fed alternating current motors by summation of the component losses 3.2.1 .3 Losses supplied at other than the fundamental frequency The losses arising from the supply harmonics are the difference between the total and fundamental...
IEC TS 61800-8 pdf download
IEC TS 61800-8 pdf download Adjustable speed electrical power drive systems – Part 8: Specification of voltage on the power interface 1 Scope This part of IEC 61 800 gives the guidelines for the determination of voltage on the power interface of power drive systems (PDS’s). NOTE The power interface, as defined in the IEC 61 800 series, is the...
IEC TS 62351-7 pdf download
IEC TS 62351-7 pdf download Power systems management and associated information exchange – Data and communications security – Part 7: Network and system management (NSM) data object models 1 Scope Power systems operations are increasingly reliant on information infrastructures, including communication networks, intelligent electronic devices (IEDs), and self-defining communication protocols. Therefore, management of the information infrastructure has become crucial to...
ISO IEC 9798-1 pdf download
ISO IEC 9798-1 pdf download Information technology — Security techniques — Entity authentication — Part 1: General 1 Scope This part of ISO/IEC 9798 specifies an authentication model and general requirements and constraints for entity authentication mechanisms which use security techniques. These mechanisms are used to corroborate that an entity is the one that is claimed. An entity to be...
ISO IEC 10118-2-2010 pdf download
ISO IEC 10118-2-2010 pdf download Information technology — Security techniques — Hash-functions — Part 2: Hash-functions using an n-bit block cipher 6.6 Output transformation The output transformation T is simply truncation, i.e., the hash-code H is derived by taking the leftmost L H bits of the final output block H q . 7 Hash-function 2 7.1 General The hash-function specified...
ISO IEC 10373-3 pdf download
ISO IEC 10373-3 pdf download Identification cards — Test methods — Part 3: Integrated circuit cards with contacts and related interface devices 1 Scope This part of ISO/IEC 10373 defines test methods for characteristics of integrated circuit cards with contacts and related interface devices according to the definition given in ISO/IEC 7816. Each test method is cross-referenced to one or...
ISO IEC 14476-6 pdf download
ISO IEC 14476-6 pdf download Information technology — Enhanced communications transport protocol: Specification of QoS management for n-plex multicast transport 1 Scope This Recommendation | International Standard provides a specification of QoS management for accomplishing a desired quality of service in n-plex multicast transport connections. For this purpose, this Specification describes the QoS management operations in n-plex multicast transport connections...
ISO IEC 14957 pdf download
ISO IEC 14957 pdf download Information technology — Representation of data element values — Notation of the format The conversion specifiers and their meanings are as follows. ⎯ d matches an optionally signed decimal integer, whose format is the same as expected for the subject sequence of the strtol() function with the value 10 for the base argument. Example: “%d”...