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Challenged by crisis, the electric grid decentralizes
January 17, 2019 - IEEE GlobalSpec

The U.S. electric power grid is undergoing a slow but steady shift to decentralize. The change is remaking the structure of the century-old grid, which has been hailed as one of the world's greatest interconnected systems of machines. Industry experts say that 20th century engineering marvel...

ASTM D2303-20 - Standard Test Methods for Liquid-Contaminant, Inclined-Plane Tracking and Erosion of Insulating Materials
August 1, 2020 - ASTM International

5.1 These test methods differentiate solid electrical insulating materials on the basis of their resistance to the action of voltage stresses along the surface of the solid when wet with an ionizable, electrically conductive liquid contaminant. 5.2 These test methods quantitatively evaluate,...

IEC 63044-5-3:2017 - Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 5-3: EMC requirements for HBES/BACS used in industrial environments
January 27, 2017 - IEC - International Electrotechnical Commission

IEC 63044-5-3:2017 is a product family standard that sets the minimum level of EMC performance for the HBES/BACS network in addition to the product EMC standards for HBES/BACS devices. It also applies to devices used within an HBES/BACS network for which no...

ASTM E1796-20 - Standard Guide for Selection and Use of Liquid Coating Encapsulation Products for Leaded Paint in Buildings
September 1, 2020 - ASTM International

1.1 This guide is intended to provide building users such as private building owners, contractors, architects, homeowners, and regulatory authorities with assistance in selecting an appropriate liquid coating encapsulation product for architectural residence and child-care facility...

Four Ways the Electric System Can Better Integrate Microgrids
July 17, 2018 - IEEE GlobalSpec

The U.S. electric system is absorbing large numbers of distributed energy resources, such as solar panels and energy storage. Some of these work together in localized networks known as microgrids. With nearly 2,000 now operating or planned across the country, microgrids...

ASTM E3219-20 - Standard Guide for Derivation of Health-Based Exposure Limits (HBELs)
February 1, 2020 - ASTM International

1.1 This guide describes the scientific procedures underlying the integrative interpretation of all data concerning an active pharmaceutical ingredient (API) taking into account study adequacy, relevance, reliability, validity, and compound-specific characteristics (for example, potency,...

ASTM E1699-14(2020) - Standard Practice for Performing Value Engineering (VE)/Value Analysis (VA) of Projects, Products and Processes
October 1, 2020 - ASTM International

1.1 This practice covers a procedure for defining and satisfying the functions of a project, product, or process (hereafter referred to as focus of study). Projects include construction of commercial and residential buildings and other engineered systems.2 Products include components,...

Cyber Risks in the Industrial Scheme
September 7, 2017 - IEEE GlobalSpec

Industrial cyberattacks are becoming increasingly widespread. In Kaspersky Lab's 2017 report on the State of Industrial Cybersecurity, 55 percent of organizations surveyed experienced at least one cybersecurity incident in the past 12 months. Industrial control systems present prime...

ASTM E1706-20 - Standard Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Freshwater Invertebrates
April 1, 2020 - ASTM International

1.1 Relevance of Sediment Contamination-Sediment provides habitat for many aquatic organisms and is a major repository for many of the more persistent chemicals that are introduced into surface waters. In the aquatic environment, both organic and inorganic chemicals may accumulate in...

ASTM E2262-03(2020) - Standard Practice for Estimating Thurstonian Discriminal Distances
August 1, 2020 - ASTM International

5.1 Under the assumptions of the model, the Thurstonian model approach to measuring the perceived difference between two samples (whether overall or for a specific attribute) is independent of the sensory method used to collect the data. Converting results obtained from...

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