Inclusion of magnetic saturation in dynamic models of
... where the inductances Ld and Lq are calculated from the functions (21) using the actual values of the fluxes ψd and ψq in each operating point. The index n refers to an operating point and N is the total number of different operating points. Since the exponents d was noticed to approach zero in the ...
... where the inductances Ld and Lq are calculated from the functions (21) using the actual values of the fluxes ψd and ψq in each operating point. The index n refers to an operating point and N is the total number of different operating points. Since the exponents d was noticed to approach zero in the ...
Level 234 Application
... application. Often times the equipment for which this information is needed hasn’t been specified. The type information necessary may be conveyed during a scoping meeting or other correspondence early on during the project development. Depending on the nature of the project, this is often an iterati ...
... application. Often times the equipment for which this information is needed hasn’t been specified. The type information necessary may be conveyed during a scoping meeting or other correspondence early on during the project development. Depending on the nature of the project, this is often an iterati ...
72KB - NZQA
... mathematical solutions, the information may not be directly usable or immediately obvious. Demonstrate comprehensive understanding involves writing statements that demonstrate understanding of connections between concepts. ...
... mathematical solutions, the information may not be directly usable or immediately obvious. Demonstrate comprehensive understanding involves writing statements that demonstrate understanding of connections between concepts. ...
Quadrature Speed and Direction Sensors, SNG-Q Series
... Sensor with 4-wire quadrature sensing is the first release of the new SNG-Q Series Speed Sensor Platform. The sensor design and manufacturing use a platform-based approach that enables costcompetitiveness and mechanical and electrical configurability. ...
... Sensor with 4-wire quadrature sensing is the first release of the new SNG-Q Series Speed Sensor Platform. The sensor design and manufacturing use a platform-based approach that enables costcompetitiveness and mechanical and electrical configurability. ...
MEASURING INSTRUMENTS
... • When PMMC is used as an ammeter, except for a very small current range, the moving coil is connected across a suitable low resistance shunt, so that only small part of the main current flows through the coil. • The shunt consists of a number of thin plates made up of alloy metal, which is usually ...
... • When PMMC is used as an ammeter, except for a very small current range, the moving coil is connected across a suitable low resistance shunt, so that only small part of the main current flows through the coil. • The shunt consists of a number of thin plates made up of alloy metal, which is usually ...
Lab 1 - UniMAP Portal
... A transformer is a static machine having two or more windings coupled by a mutual magnetic field. Ferromagnetic cores are commonly used to provide tight magnetic coupling and high flux densities. Single-phase transformers are widely used in low power electronic or control circuits to isolate one cir ...
... A transformer is a static machine having two or more windings coupled by a mutual magnetic field. Ferromagnetic cores are commonly used to provide tight magnetic coupling and high flux densities. Single-phase transformers are widely used in low power electronic or control circuits to isolate one cir ...
Concepts
... •Flux is decreasing dt •Derivative of flux is negative •EMF is positive clockwise •Current will flow clockwise •Right hand rule – B-field The current that flows will then create a downwards magnetic field, which inside the loop, will •Reinforces magnetic field A) Strengthen it B) Weaken it •Tries to ...
... •Flux is decreasing dt •Derivative of flux is negative •EMF is positive clockwise •Current will flow clockwise •Right hand rule – B-field The current that flows will then create a downwards magnetic field, which inside the loop, will •Reinforces magnetic field A) Strengthen it B) Weaken it •Tries to ...
The Wahleach Hydroelectric Development
... generator shaft. Although this type of unit is now commonly used with steam turbines, it is comparatively new in its application in hydroelectric plants. Generator and Transformer.— The generator is rated 75,000 kva, 0.8 lagging power factor, 13,800 volts, 3 phases, 60 cycles, 360 rpm, 60-degree-cen ...
... generator shaft. Although this type of unit is now commonly used with steam turbines, it is comparatively new in its application in hydroelectric plants. Generator and Transformer.— The generator is rated 75,000 kva, 0.8 lagging power factor, 13,800 volts, 3 phases, 60 cycles, 360 rpm, 60-degree-cen ...
Supplementary #2
... DC motors are dc machine used as motors. DC generator are dc machines used as generators. DC machine is most often used for a motor. The major advantages of dc machines are the (i) easy speed and (ii) torque regulation. However, their application is limited to mills, mines and trains. As examples, ...
... DC motors are dc machine used as motors. DC generator are dc machines used as generators. DC machine is most often used for a motor. The major advantages of dc machines are the (i) easy speed and (ii) torque regulation. However, their application is limited to mills, mines and trains. As examples, ...