Slot wedges for electrical machines - Nidec SR Drives Ltd. Slot wedges for electrical machines . United States Patent 8125113 ... each one of the plurality of slot wedges made from an insulating material and having at least one protruding portion into the slot such that the slot wedge is secured with an interference fit between adjacent poles and the at least one protruding portion applies pressure to ... Rzeszow University of Technology, Faculty of Electrical ... Typically, wedges are made of non-magnetic materials. In case of having magnetic properties, they influence the magnetic field distribution patterns in the areas adjacent to the slots. In medium- and high-power machines, the use of wedges made of magnetic materials is a standard, while wedges in low-power motors are typically made of
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Apr 4, 2017 ... The yoke of a DC machine is generally made of (a) carbon (b) soft iron ... In DC machines, slot wedges are generally made of (a) silicon steel
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Fig. 2 shows the model of the BI motor stator slot with a magnetic wedge, where the wedge-shaped design is conducted to homogenate the gap discontinuities in the existence of the slot and make the structure easier. In practice, In order to obtain each workpiece of the motor, magnetic material made of magnetic wedge can be used in different plates.
wedge material iecon2013h - researchgate.net II. WEDGE MATERIAL Glass-fiber non-magnetic wedge is used as a reference wedge material: its relative permeability is equal to 1, and it does not cause heat or other losses, hence, the resistivity may How It's Made: Slot Machines - YouTube WMS on How It's Made. Skip navigation Sign in. Search. Loading... Close. This video is unavailable. Watch Queue Queue. ... How It's Made: Slot Machines jsgarretson. Loading... Slot Wedges - Easy Sourcing on Made-in-China.com
Analysis of effects of magnetic slot wedges on ...
Motor slot wedges 1. Description: Motor slot wedges is High Performance, is a rolled and pressed slot wedge made of special epoxy glassfibre ironpowder prepreg which has good magnetic conductivity and high electrical and thermal resistance combined with excellent mechanical strength. Question is ⇒ What are slot wedges in a dc machine made of Question is ⇒ What are slot wedges in a dc machine made of?, Options are ⇒ (A) Mild steel., (B) Silicon steel., (C) Fibre., (D) Cast iron., (E) , Leave your comments or Download question paper. ⇒ In an induction motor, when the number of stator slots is equal to an integral multiple of rotor slots, there may be a discontinuity in ...
Using magnetic slot wedges in hydro generators - EE Publishers