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Compact high power alternator

A high-power, compact technology, applied to synchronous motors with stationary armatures and rotating magnets, electric components, electromechanical devices, etc., can solve problems such as vehicle engine overload, difficult stator winding, and burnt stators

Inactive Publication Date: 2011-09-14
MAGNETIC APPL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example: due to the small number of turns of each pole phase coil (only one turn in some cases), it is difficult or impossible to make small changes in the designed output voltage by changing the number of turns of the pole phase coil; The cross-sectional area makes the stator difficult to wind; and often a short circuit between the coils will burn the entire stator, shutting down the alternator, potentially damaging the drive system or overloading the vehicle's engine

Method used

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  • Compact high power alternator
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  • Compact high power alternator

Examples

Experimental program
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Effect test

Embodiment Construction

[0041] now refer to figure 1 , a power conversion device such as an alternator 102 according to various aspects of the present invention is suitably coupled with a rectification control system 100 and a mechanical energy source (e.g., a drive) 104 such as an engine or turbine, a load 106 such as an electric motor, and if desired in an energy storage device 108 Such as batteries, capacitors or flywheels.

[0042] The rectification control system may be any system suitable for rectifying, ie converting, the AC signal from the alternator 102 into a DC signal and regulating the voltage of the signal at a predetermined level such as 28V. In a preferred embodiment, the system 100 includes a controller 110 and a switching bridge 112, such as those described in the "Controller for AC generator" filed on February 2, 2006. ), Faberman et al. (including the present inventor) commonly owned US Patent Application No. 11 / 347,777 described in the components. If desired, an inverter (somet...

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Abstract

A compact, high power, power conversion apparatus including a rotor and a stator. The rotor includes a cylindrical casing, and a predetermined number of permanent magnets disposed on the casing, and is adapted for rotation about the axis of the casing. The stator includes a core and a plurality of sets of conductive windings, each set including a predetermined number of individual conductive windings and associated with an electrical phase. A respective collecting conductor is associated with each set of conductive windings, with each individual conductive winding of the set being electrically connected to the associated collecting conductor. The respective collecting conductors are disposed in a coolant flow path a coolant flow path directing coolant into contact with the stator windings, electrically isolated from each other and spaced apart from each other and from the windings. Collecting conductors in the form of continuous rings and in the form of a plurality of arcs are disclosed.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application no. 60 / 775,904, filed February 22, 2006, by Charles Y. Lafontaine et al., and also claims priority to U.S. Patent Application no. 11 / 347,777, filed February 2, 2006 , and is a continuation of this US patent application which claims priority from US provisional application no. 60 / 649,720, all of which are hereby incorporated by reference in their entirety for all purposes. technical field [0003] The present invention relates to a mechanical voltage and current control system for converting between mechanical energy and electrical energy, such as a brushless alternator, and more particularly to a control system for a compact high power permanent magnet alternator, such as one suitable for Compact high power permanent magnet alternator for vehicles. Background technique [0004] Alternators generally include a rotor mounted on a rotating shaft and arrang...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K3/52H02K9/06H02K5/22
CPCH02K5/225H02K11/048H02K21/22H02K3/50H02K7/063H02K2203/09H02K9/06H02K5/22H02K7/00H02M7/00
Inventor C·Y·拉方丹H·C·斯科特
Owner MAGNETIC APPL