ELECTRICAL INDUCTION MOTOR WINDING DESIGN SOFTWARE. SOFTWARE PDF Available CIRCUIT BOARD DESIGN SOFTWARE FREE PDF Available. Compare winding layout, winding factor, etc for fractional-slot, integer-slot and concentrated electric motor windings. Bagan keyboard for myanmar font.

Aside from the winding type, concentrated or distributed, the logic behind the design of electrical machines is relatively similar, as it’s based on their phasor diagrams. Using an with a concentrated winding, we’ll show you how to create selections in the COMSOL Multiphysics® software to streamline the analysis of your winding design. We’ll then demonstrate how to further advance your simulation studies by automating these processes with the Application Builder. Our Induction Motor Example Model The operating modes and types of electrical machines are defined by the way that their windings are connected. Their fundamental principle of operation is based on the voltages and currents flowing through these windings. Independent of the type of machine, the windings can be categorized as concentrated or distributed, with further subcategories such as fractional and integral also applied. For concentrated windings, as the name suggests, each pole in the machine will have a set of conductors passing through the same slot.

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On the other hand, for distributed windings, the number of slots will be greater than the number of poles, so the conductors of each pole will be distributed among the number of slots. The benefits and differences of using concentrated windings versus distributed windings are outside of the scope of this blog post. Our induction motor model was built using a pole pitch of 60°. This means that there is 60° of separation from the bottom of one stator slot to another. To create some uniform flux density lines and ensure induction on the steel rotor to produce motion, we need to make sure that there is some separation between each stator slot. In many rotor topologies, this gap is filled with the stator tooth. However, in this example, we have selected 15° of air gap, which means that each stator slot will cover 45° of the full 60° needed.

Three-phase induction motor schematic depicting the dimensions and phase configurations of the original model. At this point, what we have described might sound complicated, but it is actually quite simple. As we mentioned earlier, the design of windings in electrical machines depends on their voltage phasor diagrams. In the figure below, the blue lines represent the phases, while the orange lines represent their negative counterparts. Three-phase phasor diagram. The induction motor used for this example is a three-phase, two-pole machine, and it can be described exactly by the phasor diagram, where 60° defines the pole pitch in the stator. The only challenge here is that these angles of separation between each stator only work in the two-pole case.

We need to create a relationship between the electrical angles shown in the phasor diagram, which describe the circular motion of the rotor, and the actual mechanical angle, which describes the physical location of each stator slot. The electrical angle is represented by the following equation.