IEEE 661-1979 (R2008) pdf free.IEEE Standard Method for DeterminingObjective Loudness Ratings of Telephone Connections. The methods that are used to measure thetransmission performance of telephone connec-tions may be divided into two classes: objectivemethods and subjective methods.This standardconsiders...
IEEE 377-1980 (R2003) pdf free
IEEE 377-1980 (R2003) pdf free.IEEE Recommended Practice for Measurement of Spurious Emission fromLand-Mobile Communication Transmitters. IEEE 377 practice covers definitions of terms, controlled test conditions, test apparatus, test methods and datapresentation， all of which form the basis for...
IEEE 99-1980 (R2000) pdf free
IEEE 99-1980 (R2000) pdf free.IEEE Recommended Practice for thePreparation of Test Procedures for theThermal Evaluation of Insulation Systems for Electric Equipment. IEEE 99 of this recommended practice is to provide a general form for the preparation of test...
IEEE C62.41-1980 pdf free
IEEE C62.41-1980 pdf free.IEEE Guide for Surge Voltages in Low-Voltage AC Power Circuits. IEEE C62.41 primarily addresses ac power cir-cuits with rated voltages up to 277 V line toground，althoughsome of the conclusionsoffered could apply to higher voltages...
IEEE C37.97-1979 pdf free
IEEE C37.97-1979 pdf free.IEEE Guide for Protective Relay Applications to Power System Buses. IEEE C37.97 has been prepared to assist the reader in the effective application of relays for protection of power systemelectrical buses. The bus protection...
IEEE C37.18-1979 (R2003) pdf free
IEEE C37.18-1979 (R2003) pdf free.IEEE Standard Enclosed Field Disch arge Circuit Breakers for Rotating Electric Machinery. IEEE C37.18 applies to all low-voltage power-circuit breakers that are intended for use in field circuits of apparatussuch as generators，motors，synchronous condensers,or...
IEEE 376-1975 pdf free
IEEE 376-1975 pdf free.IEEE Standard for the Measurement of Impulse Strength and lmpulse Bandwidth. IEEE 376 of the impulse as a concept in engineering work has come about not only because of the extensive useof pulses in...
IEEE 664-1980 pdf free
IEEE 664-1980 pdf free.IEEE Guide on the Measurement of the Performance of Aeolian Vibration Dampers for Single Conductors. IEEE 664 of measuring the energy dissipation of a conductor, or of a damper, is far frombeing a simple...
IEEE 315-1975 (R1988) pdf free
IEEE 315-1975 (R1988) pdf free.Graphic Symbols for Electrical and Electronics Diagrams. Ifnew symbols are necessary, they should be formed where possible from component symbols.For example, seeDYNODE (item 7.1.4.1), which combines the anode and photocathode conventions. A connection...
IEEE 11-1980 pdf free
IEEE 11-1980 pdf free.IEEE Standard for Rotating Electric Machinery for Rail and Road Vehicles. IEEE 11 This standard appliesunder the following conditions: Altitude. All temperature tests at themanufacturer's plant shall be made at the sea-level rating. No...