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- Amendment8 pagesEnglish languagesale 10% offe-Library read for1 day
Per the IEC 61968 Interface Reference Model, the Network Operations function defined in this part of IEC 61968 provides utilities the means to supervise main substation topology (breaker and switch state), feeder topology and control equipment status through SCADA, AMI and other data sources. It also provides the means for handling network connectivity and loading conditions. Finally, it makes it possible for utilities to locate customer telephone complaints and coordinate activities of field crews with respect to planned and unplanned outages.
IEC 61968-3 specifies the information content of a set of message payloads that can be used to support many of the business functions related to network operations. Typical uses of the message payloads defined in IEC 61968-3 include data acquisition by external systems, fault isolation, fault restoration, trouble management and coordination of the real-time state of the network.
The scope diagram shown in [Figure 1] illustrates the possibility of implementing IEC 61968-3 functionality 51 as either a single integrated advanced distribution management system or as a set of separate functions - OMS, DMS and SCADA. Utilities may chose to buy these systems from different vendors and integrate them using the IEC 61968-3 messages. Alternatively, a single vendor could provide two or all of these components as a single integrated system. In the case of more than one system being provided by the same vendor, the vendor may chose to use either extensions of the IEC 61968- messages or a proprietary integration mechanism to provide enhanced functionality over and above what is required/supported by the IEC 61968-3 specification. While this is a possible implementation, clause 4.3 defines the scope in terms of business functions that are implemented in common vendor offerings.
Annexes in this standard document integration scenarios or use cases, which are informative examples showing typical ways of using the message payloads defined in this document as well as message payloads to be defined in other parts of the IEC 61968 series.
- Standard374 pagesEnglish languagesale 10% offe-Library read for1 day
This part of IEC 60974 is applicable to WELDING CURRENT RETURN CLAMPS for arc welding processes, designed to make an electrical connection to the workpiece without using tools. This document is not applicable to WELDING CURRENT RETURN CLAMPS for underwater welding and plasma cutting. This document specifies safety and performance requirements of WELDING CURRENT RETURN CLAMPS. This document does not specify requirements for welding cables.
- Standard15 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies general requirements and tests for powertrack (PT) systems with a rated voltage not exceeding 277 V a.c. single phase, or 480 V a.c. two or three phase 50 Hz/60 Hz with a rated current not exceeding 63 A. These systems are used for distributing electricity in household, commercial and industrial premises.
- Amendment7 pagesEnglish languagesale 10% offe-Library read for1 day
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IEC 62934:2021 provides terms and definitions in the subject area of grid integration of renewable energy generation. The technical issues of grid integration mainly focus on the issues caused by renewable energy generation with variable sources and/or converter based technology, such as wind power and photovoltaic power generation. Some renewable energy generations such as hydro power and biomass power with a relatively continuously available primary energy source and a rotating generator are conventional sources of generation, and are therefore not covered in this document. The intention of this document is to answer the question "what do the words mean" and not "under what conditions do the terms apply".
- Standard39 pagesEnglish languagesale 10% offe-Library read for1 day
2019-08-27 PC: sent for LVD assessment
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2019-05-29 IP: Link to legislation (MDD) removed following CLC/TC 62 decision 02/2019 decision (May 2019 plenary)
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This document is the overarching standard for the provision of private security services for critical infrastructure. It is complemented by vertical substandards for specific sectors with more detailed focus on the related services such as e.g. aviation security and maritime/port security.
It specifies service requirements for quality in organization, processes, personnel and management of a security service provider and/or its independent branches and establishments under commercial law and trade as a provider with regard to security services.
It lays down quality criteria for the delivery of security services requested by public and private clients.
This document is suitable for the selection, attribution, awarding and reviewing of the most suitable provider of security services.
- Standard24 pagesEnglish languagesale 10% offe-Library read for1 day
- Draft22 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the method for measuring the stress-strain curves of sheet metals subject to biaxial tension using a cruciform test piece fabricated from a sheet metal sample. The applicable thickness of the sheet is 0,1Â mm or more and 0,08Â times or less of the arm width of the cruciform test piece (see FigureÂ 1). The test temperature ranges from 10Â Â°C to 35Â Â°C. The amount of plastic strain applicable to the gauge area of the cruciform test piece depends on the force ratio, slit width of the arms, work hardening exponent (n-value) (see AnnexÂ B) and anisotropy of a test material.
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- Draft23 pagesEnglish languagesale 15% off
This document specifies the load ratings of the metric series of pneumatic tyres primarily intended for industrial vehicles for use on prepared surfaces. ISOÂ 3739-1 deals with designation, dimensions and marking; ISOÂ 3739-3 deals with rim contours for these tyres.
- Standard3 pagesEnglish languagesale 15% off
- Draft3 pagesEnglish languagesale 15% off
This document defines the measurement coordinate systems and presents the protocol to determine the sensor offsets to the chosen coordinate system. Finally, the method is presented how to process the sensor spherical coordinate system data to calculate the position of a dummy feature in three-dimensional space in the defined local orthogonal coordinate system.
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This document establishes the content for commercial specifications for paver-finishers used in road construction and maintenance processes for the placement and pre-compaction of paving materials. It covers the machine and its components and establishes parameters for technical characteristics for both. This document does not cover commercial specifications for road wideners which can perform similarly to a paver-finisher under certain conditions.
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- Standard35 pagesFrench languagesale 15% off
- Draft34 pagesEnglish languagesale 15% off
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This document provides guidance for the application of ISO/IEC/IEEE 29119 (all parts) in agile life cycles. This document is intended for (and not limited to) testers, test managers, business analysts, product owners, Scrum masters and developers involved in agile projects. The mappings provided in this document are designed to benefit any team or organization that is either moving away from traditional/waterfall life cycles and into agile or vice versa as well as new organizations that are commencing agile as their chosen life cycle. It is designed to be understandable regardless of the reader's familiarity with ISO/IEC/IEEE 29119 (all parts).
- Technical report45 pagesEnglish languagesale 15% off
- Draft45 pagesEnglish languagesale 15% off
This document specifies conditions for the determination of 90Sr and 89Sr activity concentration in samples of environmental water using liquid scintillation counting (LSC) or proportional counting (PC). The method is applicable to test samples of drinking water, rainwater, surface and ground water, marine water, as well as cooling water, industrial water, domestic, and industrial wastewater after proper sampling and handling, and test sample preparation. Filtration of the test sample and a chemical separation are required to separate and purify strontium from a test portion of the sample. The detection limit depends on the sample volume, the instrument used, the sample count time, the background count rate, the detection efficiency and the chemical yield. The method described in this document, using currently available LSC counters, has a detection limit of approximately 10Â mBq lâ’1 and 2Â mBq lâ’1 for 89Sr and 90Sr, respectively, which is lower than the WHO criteria for safe consumption of drinking water (100Â BqÂ·lâ’1 for 89Sr and 10Â BqÂ·lâ’1 for 90Sr). These values can be achieved with a counting time of 1Â 000Â min for a sample volume of 2Â l. The methods described in this document are applicable in the event of an emergency situation. When fallout occurs following a nuclear accident, the contribution of 89Sr to the total amount of radioactive strontium is not negligible. This document provides test methods to determine the activity concentration of 90Sr in presence of 89Sr. The analysis of 90Sr and 89Sr adsorbed to suspended matter is not covered by this method. It is the userâ€™s responsibility to ensure the validity of this test method selected for the water samples tested.
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- Draft41 pagesEnglish languagesale 15% off
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This document specifies a test procedure for the measurement and testing of combine harvesters. It applies to either self-propelled or trailed type, either directly cutting the crop or picking it up from a windrow, for use in several crops. This document specifies the terminology and methods to be used for measuring important characteristics of combine harvesters. It includes both functional and capacity tests, in other words, those conducted over an extended period when ease of operation, ease of adjustment, rate of work and general operating characteristics can be assessed, and those carried out on specific occasions for the determination of grain loss and capacity characteristics. It applies to all types of combine harvesters.
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- Standard22 pagesFrench languagesale 15% off
- Draft21 pagesEnglish languagesale 15% off
This document describes the on-board J1939 communication interface between a connected device and mobile machines for use in earth-moving, mining and road construction applications to enable interventional collision avoidance actions defined in ISOÂ 21815-1 based on the SAE J1939 protocol. This interface is intended for use by a collision avoidance system (CAS) device integrated independently from the original machine providing intervention signals to slow down, stop or prevent motion of the machine. The protocol defined by this document can also be used to provide input information for a collision warning system (CWS). This document is not intended for plug-and-play implementation of CAS or CWS on the machine. Additional details not fully described in this document can be negotiated by the CAS or CWS manufacturer and the machine manufacturer to enable functionality. This document does not preclude the possibility of the machine manufacturer or the CxD manufacturer developing alternative on-board communication interfaces.
- Technical specification82 pagesEnglish languagesale 15% off
- Draft81 pagesEnglish languagesale 15% off
This document presents the description and the results of the three studies conducted by United Kingdom, France and Germany related to grain sampling in order to define a harmonized sampling protocol for official controls. These results had been used to draft ISOÂ 24333.
- Technical report99 pagesEnglish languagesale 15% off
- Technical report108 pagesFrench languagesale 15% off
- Draft99 pagesEnglish languagesale 15% off
This document sets out standard conditions of tender which bind the employer and tenderer to behave in a particular manner, establish what a tenderer is required to do in order to submit a compliant tender, make known the evaluation criteria to tenderers, and establish the manner in which the employer conducts the process of offer and acceptance and provide the necessary feedback to tenderers on the outcomes of the process. This document is intended for use in procurements relating to goods, services and construction works and disposals other than by auction.
- Standard71 pagesEnglish languagesale 15% off
- Draft71 pagesEnglish languagesale 15% off
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