Download Alternating Current Multi-Circuit Electric Machines: A New by Valentin Asanbayev PDF

By Valentin Asanbayev

This ebook info an process for awareness of the sector decomposition notion. The e-book offers the tools in addition to innovations and methods for constructing electrical laptop circuit-loops and picking their parameters. The tools built were discovered utilizing the types of machines with laminated and sturdy rotor having classical constitution. using such versions are good well-known and simplifies useful implementation of the bought results.

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Extra info for Alternating Current Multi-Circuit Electric Machines: A New Approach to the Steady-State Parameter Determination

Sample text

This system describes the equivalent circuit for the inductively coupled stator and rotor windings (Fig. 7). The practical application of this equivalent circuit is somewhat cumbersome. For ease of use, the circuit in Fig. 7 can be represented as equivalent circuit of the conditionally “electrically coupled” stator and rotor windings. 24) can then be simplified, and it is much more applicable for practical use. x21 I1 E1m Fig. 7 Schematic representation of the inductively coupled stator and rotor windings I2 x11 x22 x12 E2m 32 2 Fundamentals of the Field Decomposition Principle Fig.

24) can then be simplified, and it is much more applicable for practical use. x21 I1 E1m Fig. 7 Schematic representation of the inductively coupled stator and rotor windings I2 x11 x22 x12 E2m 32 2 Fundamentals of the Field Decomposition Principle Fig. 24) contain four independent values of x11, x12, x22 and x21. 24) must include at least four elements, which are determined by the reactance values x11, x12, x22 and x21. This is shown below. The transition to the electrical equivalent circuit can be implemented through the introduction in the equivalent circuit shown in Fig.

19), the emfs E1m and E2m are determined as a result of the sum of the emfs E11, E21 and E22, E12, respectively. 20), the flux linkages ψ 11, ψ 12, ψ 22 and ψ 21 are caused by fluxes Φ11 ¼ Φ12 and Φ22 ¼ Φ21. To determine these fluxes, we use the provision that the fluxes of self- and mutual induction Φ11 ¼ Φ12 and Φ22 ¼ Φ21 have the same picture of distribution in consideration of a symmetrical electric machine (in Fig. 1 An Induction Machine with a Single-Winding Rotor: Voltage Equations. . 21 the fluxes of self- and mutual induction Φ11 ¼ Φ12 and Φ22 ¼ Φ21.

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