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Test apparatus and method for testing a first and/or a second electrical machine

A technology of testing device and power supply device, which is applied in the testing of mechanical components, testing of machine/structural components, measuring devices, etc. It can solve the problems of high purchase cost, high electric power, high energy cost, etc., and achieve cost saving and power reduction demand, loss reduction effect

Inactive Publication Date: 2014-08-20
FLENDER GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Such known test devices have the property that they have a high electrical power consumption during operation
This results in high energy costs and high acquisition and operating costs for the controller

Method used

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  • Test apparatus and method for testing a first and/or a second electrical machine
  • Test apparatus and method for testing a first and/or a second electrical machine
  • Test apparatus and method for testing a first and/or a second electrical machine

Examples

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Embodiment Construction

[0033] The following detailed examples describe preferred embodiments of the invention.

[0034] exist figure 1 The illustrated first embodiment 11 includes a first electric motor 21 with a first transmission gear 31 and a second electric motor 22 with a second transmission gear 32 . The first electric motor 21 includes a first (not shown in the figure) shaft, which is integral with the transmission shaft of the first transmission gear 31 or is connected to it in a rotationally fixed manner. The second electric machine 22 is likewise designed with a second (not shown in the figure) shaft, which is integral with or connected in a rotationally fixed manner to the transmission shaft of the second transmission gear 32 . Furthermore, the output shaft of the first gearwheel 31 is connected in a rotationally fixed manner to the output shaft of the second gearwheel 32 by means of a flange 36 . Preferably, the two motors 21, 22 are identical in structure. It is also preferred that t...

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Abstract

In order to test a first (21) and / or a second (22) electrical machine, a test apparatus (10) comprises: a torque transmitter (36) having a torque connection for a first electrical machine (21) and a torque connection for a second electrical machine (22). The test apparatus (10) also comprises an electrical shaft (40) having an electrical connection (41) for the first electrical machine (21) and an electrical connection (42) for the second electrical machine (22). The electrical shaft (40) is prepared to transmit as much electrical power, at least by a factor (v), between the first electrical connection (41) and the second electrical connection (42) as supply apparatuses (72, 74, 76, 78) of the test apparatus (10) for supplying electrical energy from an external electrical energy source (72, 74, 76, 78) to the electrical shaft (40) are at most prepared for, wherein v is at least 5 and it is assumed that said condition for v is met if the test apparatus (10) does not comprise such a supply apparatus (72, 74, 76, 78). The invention also relates to a corresponding method (100).

Description

technical field [0001] The invention relates to a test device for testing a first electric machine and / or a second electric machine, wherein the test device comprises: a torque transmitter for transmitting torque between the first electric machine and the second electric machine, wherein the torque A transmitter having a torque connection for the first electric motor and a torque connection for the second electric motor; an electrical shaft having a first electrical connection for the first electric motor and a second electrical connection for the second electric motor. The synchronous generator (SG) to be tested and / or the transmission gear to be tested may also be referred to as a "device under test" (DUT-device under test). A “torque transmitter” is understood here to mean a device by means of which a torque can be transmitted. A torque transmitter can include, for example, a transmission gear, a clutch, a shaft, a lever or another device (in particular a mechanical, elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/02
CPCG01M13/026G01M13/027
Inventor 马蒂亚斯·戴克
Owner FLENDER GMBH
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