electrical influence machines

Ngày tải lên: 04/06/2014, 12:39

... lagging. What is the pf of load 2? Notes for an Introductory Course On Electrical Machines and Drives E.G.Strangas MSU Electrical Machines and Drives Laboratory 12 THREE PHASE CIRCUITS AND POWER Ω Load ... following correspondence: - + R R R R R R y2 r c2 c1 c3 l y1 R Fig. 2.3 Equivalent electric circuit for the magnetic circuit in figure 2.2 . Magnetic Electrical F, magnetomotive fo...

Ngày tải lên: 25/01/2014, 13:20

Ngày tải lên: 16/02/2014, 19:02

... machines, linear motors, servomotors, etc. However, these latter machines types will not be discussed explicitly. 1.1 TYPES OF ROTATING MACHINES Electrical machines rated at about 1 HP or 1 kW and above are ... as cylindrical rotor machines, round rotors are most common in high-speed machines, that is, machines in which the rotor re- volves at about 1000 rpm or more. Where the...

Ngày tải lên: 07/03/2014, 08:20

... analysis tools for solving electrical machine problems. Val ´ eria Hrabovcov ´ a is a Professor of Electrical Machines in the Department of Power Electrical Systems, Faculty of Electrical Engineering, ... Slovak Republic. Her professional and research interests cover all kinds of electrical machines, elec- tronically commutated electrical machines included. She has worked on...

Ngày tải lên: 07/03/2014, 10:20

... Ž. Sensors and Actuators B 60 1999 71–77 www.elsevier.nlrlocatersensorb Influence of binders on the sensing and electrical characteristics of WO -based gas sensors 3 Jong-In Yang a , H. Lim a,) , ... barrier induces a change in the electrical wx conductivity or resistivity 1 . Therefore, under the ambi- ) Corresponding author ence of oxidizing gas such as NO , electrical resistivity o...

Ngày tải lên: 20/03/2014, 13:04

Ngày tải lên: 31/08/2012, 16:33

Ngày tải lên: 04/10/2012, 10:24

Ngày tải lên: 04/10/2012, 10:24

... precision voltmeter in the center of the bridge to provide an accurate measurement of that imbalance: ELECTRICAL INSTRUMENTATION SIGNALS Analog and digital signals Instrumentation is a field of study ... device that measures and/or acts to control any kind of physical process. Due to the fact that electrical quantities of voltage and current are easy to measure, manipulate, and transm...

Ngày tải lên: 12/10/2012, 14:16