Free Standards Download

IEEE C62.11-1999 pdf download IEEE Standard for Metal-Oxide Surge Arresters for AC Power Circuits (> 1 kV) 3.4 arrester, distribution, heavy duty class: An arrester normally used to prolect overhead distribution systems exposed to severe lightning currents....

IEEE C57.138-1998 pdf download IEEE Recommended Practice for Routine Impulse Test for Distribution Transformers 1.1 Scope This recommended practice covers routine impulse tests performed on distribution transformers, as requiredin IEEE Std C57.12.00-1993, and described in subclause 10.4...

IEEE C57.18.10-1998 pdf download Errata to IEEE Standard Practice and Requirements for Semiconductor Power Rectifier Transformers 5.2.2 Loading at other than rated load 5.2.2.1 Liquid-immersed rectifier transformers IEEE Std C57.12.00-1993 and IEEE Std C57.91-1995 define loading for...

IEEE C135.20-1998 pdf download IEEE Standard for Zinc-Coated Ferrous Insulator Clevises for Overhead Line Construction 1. Overview 1.1 Scope This standard covers Zinc-coated ferrous clevises for spool-type insulators commonly used for supporting ordead-ending conductors in line construction....

IEEE 48-1998 pdf download IEEE Standard Test Procedures and Requirements for Alternating- Current Cable Terminations 2.5 kV Through 765 kV The definitions and terminology used herein apply specifically to cable terminations treated in this standardFor additional definitions,...

IEEE 252-1995 pdf download IEEE Standard Test Procedure for Polyphase Induction Motors Having Liquid in the Magnetic Gap 3.1.1 Routine test The routine test includes measurement of speed, power input, and current input at no load, rated...

IEEE 325-1996 pdf download IEEE Standard Test Procedures for Germanium Gamma-Ray Detectors 1.Overview 1.1 Scope This standard applies to germanium radiation detectors that are used for the detection and high-resolutionspectrometry of gamma rays, X rays, and charged...

IEEE 387-1996 pdf download IEEE Standard Criteria for Diesel- Generator Units Applied as Standby Power Supplies for Nuclear Power Generating Stations 3. Definitions 3.1 acceptable: Demonstrated to be adequate by the safety analysis of the plant. 3.2...

IEEE 389-1996 pdf download IEEE Recommended Practice for Testing Electronics Transformers and Inductors It should be kept in mind that the test itself is destructive in nature and cannot be applied to a sound coil foran extended...

IEEE 485-1997 pdf download IEEE Recommended Practice for Sizing Lead-Acid Batteries for Stationary Applications 3. Definitions The following definitions apply specifically to this recommended practice. For other definitions, see IEEFStd 100-1996.2 3.1 battery duty cycle: The loads...