IEEE C57.116-1989 pdf free.IEEE Guide for Transformers Directly Connected to Generators. IEEE C57.116 describes selection and application considerations for the unit transformer and unit auxiliaries transformer. Consideration is given to connections that include direct connection and connections through generator breakers and load break switches. The considerations referred to in this guide apply to hydroelectric and thermal electric generating stations. Various...
ASTM D5199-12 pdf free
ASTM D5199-12 pdf free.Standard Test Method for Measuring the Nominal Thickness of Geosynthetics. ASTM D5199 covers the measurement of the nominal thickness of geosynthetics, except textured and some structured geomembranes where the entire surface of the presser foot cannot come into complete contact with the geosynthetic surface. This test method does not provide thickness values for geosynthetics under variable normal...
ASTM D5261-10 pdf free
ASTM D5261-10 pdf free.Standard Test Method for Measuring Mass per Unit Area of Geotextiles. ASTM D5261 covers and can be used as an index to the determination of mass per unit area of all geotextiles. 1.2 The values stated in SI units or other units shall be regarded separately as standard. The values stated in parentheses are provided for information...
ASTM D6241-14 pdf free
ASTM D6241-14 pdf free.Standard Test Method for Static Puncture Strength of Geotextiles and Geotextile-Related Products Using a 50-mm Probe. This test method is an index test used to measure the force required to puncture a geotextile and geotextile-related products. The relatively large size of the plunger provides a multidirectional force on the geotextile. 1.2 The values stated in SI units...
ASTM D4632/D4632M-15 pdf free
ASTM D4632/D4632M-15 pdf free.Standard Test Method for Grab Breaking Load and Elongation of Geotextiles. ASTM D4632/D4632M is an index test which provides a procedure for determining the breaking load (grab strength) and elongation (grab elongation) of geotextiles using the grab method. This test method is not suitable for knitted fabrics and alternate test methods should be used. While useful for...
ASTM D4751-16 pdf free
ASTM D4751-16 pdf free.Standard Test Methods for Determining Apparent Opening Size of a Geotextile. These test methods cover the determination of the apparent opening size (AOS) of a geotextile either by dry-sieving glass beads through a geotextile (Method A) or by using a capillary porometer (Method B). 1.2 Method B will not be used in lieu of Method A unless...
ISO/IEC TR 30164:2020 pdf free
ISO/IEC TR 30164:2020 pdf free.Internet of things (IoT) — Edge computing. ISO/IEC TR 30164:2020 describes the common concepts, terminologies, characteristics, use cases and technologies (including data management, coordination, processing, network functionality, heterogeneous computing, security, hardware/software optimization) of edge computing for IoT systems applications. This document is also meant to assist in the identification of potential areas for standardization in edge...
ISO/IEC TR 30166:2020 pdf
ISO/IEC TR 30166:2020 pdf. Internet of things (IoT) — Industrial IoT. ISO/IEC TR 30166:2020 (E) describes the following: general Industrial IoT (IIoT) systems and landscapes which outline characteristics, technical aspects and functional as well as non-functional elements of the IIoT structure and a listing of standardizing organisations, consortia and open-source communities with work on all aspects on IIoT; ...
ISO/IEC 38500:2015 pdf free
ISO/IEC 38500:2015 pdf free.Information technology — Governance of IT for the organization. The objective of this International Standard is to provide principles, definitions, and a model for governing bodies to use when evaluating, directing, and monitoring the use of information technology (IT) in their organizations. This International Standard is a high level, principles-based advisory standard. In addition to providing broad...
ISO/IEC 21823-2:2020 pdf free
ISO/IEC 21823-2:2020 pdf free.Internet of things (IoT) — Interoperability for IoT systems — Part 2: Transport interoperability. ISO/IEC 21823-2:2020(E) specifies a framework and requirements for transport interoperability, in order to enable the construction of IoT systems with information exchange, peer-to-peer connectivity and seamless communication both between different IoT systems and also among entities within an IoT system. This document specifies:...