Standards World

IEEE 951-1996(R2009) pdf free download - IEEE Guide to the Assembly and Erection of Metal Transmission Structures 5.3 Constructability of structures Construction can be enhanced by a number of considerations, both in the design of the structure...

IEEE 946:2020 pdf free download - IEEE Recommended Practice for the Design of DC Power Systems for Stationary Applications 4. Organization of this recommended practice Stationary dc power systems appear in many applications and industries.All have certain...

IEEE 946:2004 pdf free download - IEEE Recommended Practice for the Design of DC Auxiliary Power Systems for Generating Stations In normal operation, the battery and charger(s) are both connected to the dc distribution bus and, therefore,operate...

IEEE 937:2019 pdf free download - IEEE Recommended Practicefor Installation and Maintenanceof Lead-Acid Batteries for Photovoltaic (PV) Systems 5.2.4 Environmental considerations The following environmental aspects should be considered during the design or selection of the batteryenclosure: a)The...

IEEE 930:2004 pdf free download - IEEE Guide for the Statistical Analysis of Electrical lnsulation Breakdown Data 3.1.1 Commonly used testing techniques There are two commonly used breakdown tests for clectrical insulation: constant stress tests and progressivestress...

IEEE 859:2018 pdf free download - IEEE Standard Terms for Reporting and Analyzing Outage Occurrencesand Outage States of Electrical Transmission Facilities NOTE—In general, a component-based system of outage data collection for a system will be basedon an...

IEEE 848:2015 pdf free download - IEEE Standard Procedure for the Determination of the Ampacity Derating Factor for Fire-Protected Cable Systems 4.2.3 Conduit Conduit ampacity tests shall utilize 25 mm and 100 mm (l in and 4...

IEEE 841:2009 pdf free download - IEEE Standard for Petroleum andChemical Industry-Premium-Efficiency, Severe-Duty,Totally Enclosed Fan-Cooled (TEFC) Squirrelage Induction Motors - Up to andlncluding 370 kW (500 hp) 4.5 Enclosures Enclosures shall be TEFC or totally enclosed non-ventilated(TENV)...

IEEE 837:2014 pdf free download - IEEE Standard for Qualifying Permanent Connections Used in Substation Grounding 4.Qualification tests For qualification test sequence, refer to Annex D.Qualifications tests shall be performed for each family ofconnections,for example: (cable to...

IEEE 828:2012 pdf free download - IEEE Standard for Configuration Management in Systems and Software Engineering configuration management database(CMDB): a specific type of repository for CM information, usuallya data store, used to record attributes of configuration items,...