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Rotating electric machine winding temperature estimation device and rotating electric machine winding temperature estimation method

一种旋转电机、绕组温度的技术，应用在机电装置、电动组件、电动机控制等方向，达到提高计算精度的效果

Active Publication Date: 2017-02-22
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the temperature cannot be estimated with high precision in response to the complicated operating conditions in the actual operating state of the vehicle.

Method used

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  • Rotating electric machine winding temperature estimation device and rotating electric machine winding temperature estimation method
  • Rotating electric machine winding temperature estimation device and rotating electric machine winding temperature estimation method
  • Rotating electric machine winding temperature estimation device and rotating electric machine winding temperature estimation method

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Embodiment Construction

[0040] Hereinafter, a winding temperature estimating device for a rotating electric machine and a winding temperature estimating method for a rotating electric machine according to an embodiment of the present invention will be described with reference to the drawings.

[0041] The winding temperature estimating device 10 for a rotating electrical machine according to the present embodiment is mounted on a vehicle 1 such as a hybrid vehicle or an electric vehicle, for example. like figure 1 As shown, the vehicle 1 includes a drive motor (M) 11 (rotary electric machine), a power generation motor (G) 12 , a transmission (T / M) 13 , a refrigerant circulation unit 14 (refrigerant supply unit), and a power conversion unit 15 , storage battery 16 and control device 17.

[0042] The drive motor 11 and the generator motor 12 are, for example, three-phase AC brushless DC motors or the like. The driving motor 11 and the generating motor 12 each have a rotating shaft connected to a transm...

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Abstract

A rotating electric machine winding temperature estimation device is equipped with: a rotating electric machine equipped with a stator having windings and a rotor; a refrigerant supply unit for supplying a refrigerant; a temperature sensor for detecting the temperature of said refrigerant; a heat removal amount calculation unit for calculating an amount of heat removal from said windings using the temperature of said refrigerant and the thermal resistance between said refrigerant and said windings; a heat generation amount calculation unit for calculating an amount of heat generation due to the loss of said windings; and a winding temperature calculation unit for calculating the temperature of said windings using the amount of heat removal from said windings and the amount of heat generation due to the loss of said windings.

Description

technical field [0001] The present invention relates to a winding temperature estimating device for a rotating electric machine and a winding temperature estimating method for a rotating electric machine. [0002] this application claims priority based on Japanese Patent Application No. 2014-133195 for which it applied on June 27, 2014, and uses the content here. Background technique [0003] Conventionally, as a motor having a stator provided with slots for inserting windings, there are known motors in which a plurality of segmented conductors (so-called SC windings: segmented conductor windings) are formed without gaps according to the shape of the slots. Insert the socket by filling the socket. In this motor, it is difficult to directly detect the winding temperature in the slot due to the high duty factor of the winding in the slot, and the temperature in the slot may be indirectly estimated from the winding temperature detected at the coil end outside the slot, etc. t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P29/00H02K9/19H02K11/20
CPCH02K9/19H02K9/24H02K11/25H02P29/64
Inventor 伊东悠太松原宗弘松冈裕之
Owner HONDA MOTOR CO LTD
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