Since World War II, radar systems engineers have used band letter designations as a short notation for describing the frequency band of operation. This usage has continued throughout the years and is now an accepted practice of radar engineers. Radar-frequency letter designations are used for the following reasons: — They provide a convenient method for […]
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Methods are described for defining the dc load and for sizing a lead-acid battery to supply that load for stationary battery applications in float service. Some factors relating to cell selection are provided for consideration. Installation, maintenance, qualification, testing procedures, and consideration of battery types other than lead acid are beyond the scope of this
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This recommended practice provides recommended design practices and procedures for storage,location, mounting, ventilation, instrumentation, preassembly, assembly, and charging of vented lead-acid batteries. Required safety practices are also included. This recommended practice is applicable to full-float stationary applications where a battery charger normally maintains the battery fully charged and supplies provides the direct current (dc) loads.
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This standard establishes critria for qualfication of safety-related actuators, and actuator components, in Nuclear Power Generating Stations and other Nuclear Facilities in order to demonstrate their ability to perform their intended safety functions.
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The scope of the project is to cover measurements of the electrical properties of naturally occurring solids.Not covered are methods that rely on mapping earth structure anomalies unless directly related to electrical properties. There is limited coverage of numerical methods for forward/inverse modeling.
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This standard provides techniques for objective measurement of electroacoustic devices used for speech communications, including communication devices also used for multimedia applications. Application is for devices that are primarily used closely coupled to the ear. Aspects of devices with speakerphone or speaker listening features are covered by IEEE Std 1329™. 1 This standard is applicable
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This standard defines profiles that select features, options, configurations, defaults, protocols and procedures of bridges, stations, and LANs that are necessary to build networks that are capable of transporting fronthaul streams, which are time-sensitive. NOTE- Stream and flow are used as synonyms in this document.
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The C62.42 guide serics covers surge protective components (SPCs) used in power and telecom surge protective devices (SPDs) and equipment ports. This part on Metal-Oxide Varistor (MOV) technology SPCs covers: – Component construction – Characteristics – Ratings – Application examples
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This guide provides a structured framework for the incorporation of human reliability analysis (HRA) into probabilistic risk assessments (PRAs).
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This guide applies to three-phase overthead AC transmission line (1 10 – 1000 kV) design,construction, and it can be used as reference for lower voltage levels. This guide specifics design mcthodologics of the overhead transmission line conductors and ground wires,insulators and fitings, insulation coordination, lightning protection and grounding, conductor arrangement, tower types, tower loads and
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