Quantum Mechanics For Electrical Engineers

... http://booksupport.wiley.com QUANTUM MECHANICS FOR ELECTRICAL ENGINEERS PREFACE xiii A physics professor once told me that electrical engineers were avoiding learn- ing quantum mechanics as long as ... course in quantum mechan- ics for electrical engineers. In it there are brief discussions on statistical mechanics and the topics that are needed for quantum m...

Ngày tải lên: 23/06/2014, 17:42

... consider briefly Heisenberg’s matrix formulation of quantum mechanics. 2.5 Alternative notations and formulations 23 Fundamentals of Quantum Mechanics Quantum mechanics has evolved from a subject ... problems in mechanics. There are, however, also Hamilton’s and Lagrange’s formulations of classical mechanics, which are occasionally used for specialized problems. In the case o...

Ngày tải lên: 17/03/2014, 14:41

... case. 3.1.8 Instrument Transformers The material that follows is a brief summary of information on instrument transformers as measure- ment elements. For more extensive information, consult American ... instrument transformers, and auxiliary devices. Further detailed information may be found in the Handbook for Electric Metermen, Edison Electric Institute. The practical unit of electrica...

Ngày tải lên: 21/03/2014, 12:12

... unity for vacuum to slightly greater than unity for gases at atmospheric pressure, 2 to 8 for common insulating solids and liquids, 35 for ethyl alcohol and 91 for pure water, and 1000 to 10,000 for ... Fire-refined copper is a lower-purity grade intended for alloying or for fabrication into products for mechanical purposes; it is not intended for electrical purposes. Ca...

Ngày tải lên: 21/03/2014, 12:12

... produced for further fission action. For a 1300-MW (electrical) light-water nuclear plant, a representative core assembly might involve 241 fuel assemblies each weighing approxi- mately 660 kg, for ... The uranium would be cleaned up in preparation for reuse. For each 1200-lb assembly, there would be only around 35 lb of fission product waste. For 60 assemblies discharged per reac...

Ngày tải lên: 21/03/2014, 12:12

... HANDBOOK FOR ELECTRICAL ENGINEERS PRIME MOVERS 6-17 to h 1 − h 2 minus the small pump work h 4 – h 3 ϭ␯ 3 (P 4 – P 3 )/J required, and the heat added to the cycle is equal to h 1 – h 4 . Therefore (6-4) ... stainless steels. The rotor may be a single forging, fabricated from a shaft and separate wheels, or constructed of forged elements welded together. The buckets forming the rotating...

Ngày tải lên: 21/03/2014, 12:12

... number of slots per pole per phase g ϭ electrical angle between slots q s ϭ electrical angle of skew Here, the relevant angles are stated in electrical terms. The electrical angle is p times the physical angle. ... construction. The rotor body for a salient-pole machine may be a solid forging or assembly of heavy steel plates, for high-speed designs, or a spider-and-rim assembly...

Ngày tải lên: 21/03/2014, 12:12

... armature-core length, in K 1 ϭ 18.5 for noncommutating-pole machines ϭ 0 for machines with commutating-pole length ϭ L r K 2 ϭ 1.0 for machines using nonmagnetic bands ϭ 1.7 for machines using magnetic ... coil equal to 1 V for a change of 10 8 linkages/s (Mx/s) for each turn of the coil, or E ϭ (⌬fT ϫ 10 –8 )/t V. If the flux lines are deformed by the motion of the coil conductor...

Ngày tải lên: 21/03/2014, 12:12

... website. Source: STANDARD HANDBOOK FOR ELECTRICAL ENGINEERS HYDROELECTRIC POWER GENERATION 9-21 If the combined turbine-generator efficiency is to be calculated, the formula may be changed to where ... turbine for a given hydroelectric powerplant, it is important to consider the efficiency performance of the various types of turbines available for the head contemplated. Not only is...

Ngày tải lên: 21/03/2014, 12:12

... correction of 0.4% of rated kVA for self-cooled transformers or 0.5% of rated kVA for forced-air-cooled or forced-oil-cooled transformers for each 330 ft of additional altitude above 3300 ft ... as for a self-cooled transformer. Operation at high altitude increases the effective oil rise of air-cooled transformers. ANSI C57 provides for a compensating correction of 0.4% of rated kVA...

Ngày tải lên: 21/03/2014, 12:12