IEEE 147-1979 pdf free.IEEE Standard Definitions of Terms for Waveguide Components. IEEE 147 A structure used to interconnect two waveguides which differ in size ortype.If the modes of propagation also differ,the adapter functions as a mode transducer.attenuator，...
IEEE 116-1975 pdf free
IEEE 116-1975 pdf free.IEEE Standard Test Procedure for Carbon Brushes. It is the purpose of this standard to providea procedure for determining certain operatingcharacteristics of carbon，carbon-graphite,electrographite, graphite, and metalgraphitebrushes under prescribed test conditions forall types of rotating...
IEEE 377-1980 pdf free
IEEE 377-1980 pdf free.IEEE Recommended Practice for Measurement of Spurious Emission fromLand-Mobile Communication Transmitters. This recommended practice covers definitions of terms, controlled test conditions, test apparatus, test methods and datapresentation, all of which form the basis for...
IEEE 333-1980 pdf free
IEEE 333-1980 pdf free.IEEE Standard for Electrical Installations on Packaging Machinery and Associated Equipment. Elementary (Schematic) Diagram. (SeeFig 1) (1)On a packaging machine having onlyone motor and one starter，the diagram nor-mally furnished with the starter shall be...
IEEE C57.12.51-1981 pdf free
IEEE C57.12.51-1981 pdf free.American National Standard Requirements for Ventilated Dry-Type Power Transformers, 501 kVA and Larger,Three-Phase,with High-Voltage 601 to 34 500 Volts,Low-Voltage 208Y/120 to 4160 Volts. All requirements, definitions, and tests, except as specifically covered in this...
IEEE 201-1979 pdf free
IEEE 201-1979 pdf free.IEEE Standard Definitions of Terms Relating to Television. NOTES:(1 ) A footcandle is a unit of incident light，and afootlambert is a unit of emitted or reflected light.Fora perfectly reflecting or perfectly diffusing surface, thenumber...
IEEE 149-1979 pdf free
IEEE 149-1979 pdf free.IEEE Standard Test Procedures for Antennas. Power transfer from generator to antenna is controlled by the input impedance to the antenna. This importantparameter frequently limits the useful bandwidth of the antenna.Measurement procedures and network...
IEEE C37.99-1980 pdf free
IEEE C37.99-1980 pdf free.An American National Standard IEEE Guide for Protection of Shunt Capacitor Banks. This guide has been prepared to assist in theeffective application of relays and other devicesfor the protection of shunt capacitors used insubstations.It...
IEEE C37.37-1979 pdf free
IEEE C37.37-1979 pdf free.An American National Standard de for AC High-Voltage Air Switches(in excess of 1000 volts) The allowable continuous current of an airswitch is based on the allowable maximumtemperature of the air switch parts and is...
IEEE C37.010-1979 pdf free
IEEE C37.010-1979 pdf free.IEEE Application Guide for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis. In the application of circuit breakers toelectrical sy stems, careful attention must begiven to many items of technical importance toassure...