CN103149480A - Load simulating device for electromagnetic compatibility testing of high-power motor - Google Patents
Load simulating device for electromagnetic compatibility testing of high-power motor Download PDFInfo
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- CN103149480A CN103149480A CN2013100580445A CN201310058044A CN103149480A CN 103149480 A CN103149480 A CN 103149480A CN 2013100580445 A CN2013100580445 A CN 2013100580445A CN 201310058044 A CN201310058044 A CN 201310058044A CN 103149480 A CN103149480 A CN 103149480A
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Abstract
The invention discloses a load simulating device for electromagnetic compatibility testing of a high-power motor. The load simulating device comprises an anechoic chamber, a load simulating chamber, a driving shaft, a waveguide tube, shield protecting devices and an anechoic chamber test board which can be be used for accommodating the high-power motor; a dynamometer is placed in the load simulating chamber adjacent to the anechoic chamber; the anechoic chamber is connected with the load simulating chamber through a driving shaft penetrating through a anechoic chamber shielding casing; the waveguide tube is arranged on the outer side of the driving shaft; and the shield protecting devices are arranged on two sides of the waveguide tube. The dynamometer is arranged in the load simulating chamber; the rated power of the dynamometer is not smaller than 100kw; and the type of the tested motor can be a direct-current motor or alternating-current motor. The load simulating device disclosed by the invention can be used for the electromagnetic compatibility testing of the high-power motor, in particular to the electromagnetic compatibility testing of the high-power motor in a driving system of an electric automobile and has a very positive action under the condition that corresponding electromagnetic disturbance test standards of automobile high-power parts are lacked.
Description
Technical field
The invention belongs to Vehicle Engineering, what relate to is heavy-duty motor electromagnetic compatibility test analogue loading device, particularly can be used for the analogue loading device of the heavy-duty motor electromagnetic compatibility test of drive system of electric automobile.
Background technology
Development of EV becomes the common choice of Global Auto industry response environment and resource problem.At present domestic testing agency is only suitable for electric automobile is carried out authentication test, and is unfavorable for carrying out the analysis and research for the electromagnetic compatibility problem that occurs in the drive system of electric automobile performance history.The method and the limit value that provide the test of parts electromagnetic disturbance in auto parts and components electromagnetic disturbance testing standard GB18655-2010 have not been suitable for drive system of electric automobile.Driving motor for electric automobile power is large, and the electromagnetic noise that produces under different loads is different, does not provide noise level limit corresponding to each frequency band under the corresponding loading method of heavy-duty motor and different loads in auto parts and components electromagnetic disturbance testing standard.
Summary of the invention
The object of the present invention is to provide a kind of heavy-duty motor electromagnetic compatibility test analogue loading device, for heavy-duty motor provides load under the real work environment, measure the electromagnetic noise of heavy-duty motor under different loads.
A kind of for heavy-duty motor electromagnetic compatibility test analogue loading device, it comprises:
Anechoic chamber,, fictitious load chamber, nonmetal transmission shaft, waveguide, screen protective device and can be for the anechoic chamber, test board of placing heavy-duty motor.Heavy-duty motor is placed on the anechoic chamber, test board, and dynamometer machine is placed in anechoic chamber, adjacent fictitious load chamber, and both connect by the nonmetal transmission shaft that passes the anechoic chamber, shield shell.Waveguide is arranged on the nonmetal transmission shaft outside, and screen protective device is arranged on waveguide both sides.
Anechoic chamber, is 3m method anechoic chamber.Have circular hole on the public wall (shield shell) of anechoic chamber, and fictitious load chamber, nonmetal transmission shaft and waveguide pass this hole and are connected with dynamometer machine in the fictitious load chamber.
Nonmetal transmission shaft runs through anechoic chamber, and fictitious load chamber, adopts the carbon fiber manufacturing, and two ends are connected with dynamometer machine with motor by shaft coupling respectively.Nonmetal transmission shaft outside is covered with waveguide, waveguide two ends connection screen protective device.Waveguide is fixed on cast iron base by bracing or strutting arrangement, and leaves certain interval between nonmetal transmission shaft.Purpose is for fear of collision, and nonmetal transmission shaft can adopt carbon fibre material, 6 centimetres of diameters; The waveguide diameter is 8 centimetres.
Heavy-duty motor electromagnetic compatibility test analogue loading device, it comprises:
Anechoic chamber,, fictitious load chamber, nonmetal transmission shaft, waveguide, screen protective device and can be for the anechoic chamber, test board of placing heavy-duty motor.
Anechoic chamber, is 3 meters methods of standard (9.0m*6.0m*6.0m) anechoic chamber,s, uses ferrite wedge composite wave-suction material, and tested motor arrangement is in anechoic chamber.The indoor layout dynamometer machine of fictitious load, dynamometer machine rated power is not less than 100kW, is fixed by bolts on cast iron base.Between darkroom and load cell, passage of processing carries out mechanical connection with power supply machine and dynamometer machine.
Nonmetal transmission shaft can adopt carbon fibre material, and 6 centimetres of diameters run through the shield shell between darkroom and fictitious load chamber, its two ends with shaft coupling respectively with the fictitious load chamber in dynamometer machine and being connected by measured motor of anechoic chamber.
Waveguide is the cut-off waveguide of 8 centimetres of diameters, is fixed on cast iron base by bracing or strutting arrangement.Screen protective device covers the coupling device at transmission shaft two ends, is welded on waveguide; Further, described screen protective device is the shielding protection cover, and this screen protective device adopts the steel plate manufacturing, is divided into up and down two parts, and the latter half support is fastened on above iron bottom plate by built-up jig, and upper cover part is that bolt connects, and closes rear 2 lockings.
Can be direct current generator and alternating current generator by the type of measured motor, power bracket be at 0～60kW, and tested motor arrangement adopts shaft coupling connection for transmission axle on the cast iron base of liftoff high 30 centimetres.
The present invention can be used for the especially heavy-duty motor electromagnetic compatibility test of drive system of electric automobile of heavy-duty motor, in the situation that lack the high-power parts electromagnetic disturbance of corresponding automobile testing standard, has quite positive effect.
Description of drawings
Fig. 1 is heavy-duty motor electromagnetic compatibility test analogue loading device embodiment schematic diagram of the present invention.
Fig. 2 is the enlarged drawing of A section in dynamometer machine shown in Fig. 1 and Motor connecting device.
Embodiment
A kind of analogue loading device that can be used for the heavy-duty motor electromagnetic compatibility test comprises: anechoic chamber,, fictitious load chamber,, nonmetal transmission shaft, waveguide, screen protective device and can be for the anechoic chamber, test board of placing heavy-duty motor.Motor is placed on the anechoic chamber, test board, and dynamometer machine is placed in the fictitious load chamber, and anechoic chamber, is 3 meters methods of standard (9.0m*6.0m*6.0m) anechoic chamber,s, uses ferrite wedge composite wave-suction material.Tested motor arrangement is in anechoic chamber.The indoor layout dynamometer machine of fictitious load, dynamometer machine rated power is not less than 100kW, is fixed by bolts on cast iron base.Anechoic chamber, and fictitious load chamber next-door neighbour, between darkroom and load cell, passage of processing carries out mechanical connection with power supply machine and dynamometer machine.6 centimetres of nonmetal transmission shaft diameters adopt the carbon fiber manufacturing, run through the shield shell between darkroom and fictitious load chamber, its two ends with shaft coupling respectively with the fictitious load chamber in dynamometer machine and being connected by measured motor of anechoic chamber.Waveguiding structure is to adopt cut-off waveguide, is fixed on cast iron base by bracing or strutting arrangement.。Screen protective device is rectangular build, and screen protective device adopts the steel plate manufacturing, is divided into up and down two parts, and screen protective device covers the coupling device at transmission shaft two ends, is welded on waveguide.Can be direct current generator and alternating current generator by the type of measured motor, power bracket be fixed on cast iron base at 0～60kW.
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
Heavy-duty motor electromagnetic compatibility test analogue loading device, it comprises:
Bolt 1, by measured motor 2, anechoic chamber, 3, screen protective device 4, nonmetal transmission shaft 5, waveguide 6, fictitious load chamber 7, transmission shaft 8, dynamometer machine 9, cast iron base 10, shaft coupling 11, test antenna 12.
Anechoic chamber, 3 is 3 meters methods of standard (9.0m*6.0m*6.0m) anechoic chamber,s, uses ferrite wedge composite wave-suction material, is arranged in 3 li of anechoic chamber,s by measured motor 2.The interior layout dynamometer machine 9 in fictitious load chamber 7, dynamometer machine 9 rated power are not less than 100kW, are fixed on cast iron base 10 with bolt 1.Between anechoic chamber, 3 and load cell 7, passage of processing is for being carried out mechanical connection by measured motor 2 and dynamometer machine 9.
Nonmetal transmission shaft 4 can adopt carbon fibre material, and 6 centimetres of diameters run through the shield shell between anechoic chamber, 3 and fictitious load chamber 7, its two ends with shaft coupling 11 respectively with the dynamometer machine 9 of 7 li of fictitious load chambers and being connected by measured motor 2 of anechoic chamber, 3.
Waveguide 6 is cut-off waveguides of 8 centimetres of diameters, is fixed on cast iron base by bracing or strutting arrangement.
Be arranged in anechoic chamber, 3 by measured motor 2, dynamometer machine 9 is arranged in fictitious load chamber 7, is separately fixed at by measured motor 2 and dynamometer machine 9 on the cast iron base 10 of liftoff 30 centimetres.Cast iron base 10 use bolts 1 are fixing.
Transmission shaft 8 diameters are 6 centimetres, run through anechoic chamber, 3 and fictitious load chamber 7, and transmission shaft is long 60 centimetres of 3 li parts of anechoic chamber,, long 20 centimetres of fictitious load 7 li of chambers part.The transmission shaft two ends are connected with dynamometer machine 9 respectively with by measured motor 2, and the middle part of transmission shaft 8 is provided with one section nonmetal transmission shaft 5; Waveguide 6 is cut-off waveguide, and diameter is 8 centimetres.Cover on the outside of nonmetal transmission shaft 5, two ends are fixed on screen protective device 4.Waveguide 6 can guarantee the shielding properties that anechoic chamber, 3 is good, and test antenna 12 is placed on anechoic chamber, 3 the insides, is used for receiving by the electromagnetic noise of measured motor.
Screen protective device 4 is rectangular build, is placed in the outside of package unit, and this screen protective device adopts the steel plate manufacturing, be divided into up and down two parts, the latter half support is fastened on above cast iron base 10 by built-up jig, and upper cover part can be to open around hinge, closes rear 2 lockings.Screen protective device 4 covers by measured motor 2 all drive disk assemblies to 9 of dynamometer machines, is supported on cast iron base 10 with four steel columns.
The built-up shaft structure of transmission shaft 8 and nonmetal transmission shaft 5 can substitute with the carbon fiber driving shaft of an integral body, carbon fiber driving shaft utilize shaft coupling respectively with by measured motor be connected with dynamometer machine.
First pre-buried fixed pedestal bolt 1 when doing ground.Then darkroom and load cell shield shell are installed, after installing, at the rubber slab of about 2 millimeters of shield ground laying, are fixed with bolt above cast iron base 10 is placed on, to prevent the vibration diffusion, the separating vibration impact.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and in the General Principle of this explanation is applied to other embodiment and needn't pass through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. one kind is used for heavy-duty motor electromagnetic compatibility test analogue loading device, and it is characterized in that: it comprises:
Anechoic chamber,, fictitious load chamber, transmission shaft, waveguide, screen protective device and can be for the anechoic chamber, test board of placing heavy-duty motor, dynamometer machine is placed in adjacent with anechoic chamber, fictitious load chamber, both connect by the transmission shaft that passes the anechoic chamber, shield shell, waveguide is arranged on the transmission shaft outside, and screen protective device is arranged on waveguide both sides.
2. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, it is characterized in that: be a public wall between described anechoic chamber, and fictitious load chamber, offer through hole on it, described transmission shaft, waveguide pass this hole and are connected with dynamometer machine in the fictitious load chamber.
3. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, it is characterized in that: described anechoic chamber, is 3 meters method anechoic chamber,s of standard, uses ferrite wedge composite wave-suction material.
4. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, it is characterized in that: the middle part of described transmission shaft is provided with one section nonmetal transmission shaft; The material of described nonmetal transmission shaft is preferably carbon fiber.
5. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1, it is characterized in that: described waveguide is fixed on cast iron base by bracing or strutting arrangement.
6. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1 is characterized in that:
Described screen protective device covers the coupling device at transmission shaft two ends, is welded on waveguide; Or/and described screen protective device is the shielding protection cover, this screen protective device adopts the steel plate manufacturing, is divided into up and down two parts, and the latter half support is fastened on above iron bottom plate by built-up jig, and upper cover part is that bolt connects, and closes rear 2 lockings.
7. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1 is characterized in that: described anechoic chamber, test board is arranged on the cast iron base of liftoff high 30 centimetres.
8. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1 is characterized in that:
The ground paving of described anechoic chamber,, fictitious load chamber is provided with rubber slab to prevent vibration diffusion, separating vibration impact.
9. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1 is characterized in that:
The type of described heavy-duty motor comprises direct current generator and alternating current generator.
10. heavy-duty motor electromagnetic compatibility test analogue loading device as claimed in claim 1 is characterized in that: 6 centimetres of described transmission shaft diameters, and its long 60 centimetres of part in anechoic chamber,, part is long 20 centimetres in the fictitious load chamber; Described waveguide is the cut-off waveguide that is fixed on 8 centimetres of diameters on cast iron base.
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| CN201310058044.5A CN103149480B (en) | 2013-02-22 | 2013-02-22 | Load simulating device for electromagnetic compatibility testing of high-power motor |
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| CN201310058044.5A CN103149480B (en) | 2013-02-22 | 2013-02-22 | Load simulating device for electromagnetic compatibility testing of high-power motor |
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| CN103149480A true CN103149480A (en) | 2013-06-12 |
| CN103149480B CN103149480B (en) | 2015-06-24 |
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Cited By (14)
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|---|---|---|---|---|
| CN104101803A (en) * | 2014-07-07 | 2014-10-15 | 中国汽车工程研究院股份有限公司 | EMC performance testing system under motor on-load condition |
| CN104793137A (en) * | 2015-03-10 | 2015-07-22 | 南京工程学院 | Abnormal load type distinguishing method based on motor motion feature values |
| CN104833829A (en) * | 2015-05-12 | 2015-08-12 | 广州市诚臻电子科技有限公司 | Motor load adjustable device for electromagnetic compatibility test |
| CN105974236A (en) * | 2016-06-03 | 2016-09-28 | 广州市诚臻电子科技有限公司 | Motor loading and driving system used for electromagnetic compatibility test |
| CN106646035A (en) * | 2016-11-25 | 2017-05-10 | 北京无线电计量测试研究所 | Simulation method and system for radiation influence of wave-absorbing material |
| WO2018166118A1 (en) * | 2017-03-16 | 2018-09-20 | 上海蔚来汽车有限公司 | Electromagnetic compatibility testing device and testing system comprising same |
| CN108918993A (en) * | 2018-05-18 | 2018-11-30 | 上海埃德电子股份有限公司 | A kind of construction is novel and meets the Motor Measuring System of electromagnetic compatibility test index |
| CN108981900A (en) * | 2017-06-01 | 2018-12-11 | 上汽通用汽车有限公司 | High-speed motor acoustical behavior test equipment |
| CN109061471A (en) * | 2018-09-13 | 2018-12-21 | 安徽精科检测技术有限公司 | Motor in electric automobile electromagnetic compatibility measurement of power test macro |
| CN111897315A (en) * | 2020-08-31 | 2020-11-06 | 南方电网科学研究院有限责任公司 | Electromagnetic disturbance testing device for controlling protection equipment |
| WO2021177408A1 (en) * | 2020-03-04 | 2021-09-10 | 株式会社オータマ | Shielding rotation transmission mechanism, motor/inverter test bench using same, and emc test equipment device |
| CN116893315A (en) * | 2023-09-07 | 2023-10-17 | 苏州英特模科技股份有限公司 | Wall penetrating system of load dynamometer of semi-anechoic chamber and mounting method of wall penetrating system |
| AT526282A1 (en) * | 2022-07-08 | 2024-01-15 | Avl List Gmbh | System for carrying out electromagnetic compatibility tests |
| JP7453048B2 (en) | 2020-04-22 | 2024-03-19 | 株式会社日立製作所 | Motor load test device and method |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06237090A (en) * | 1993-02-08 | 1994-08-23 | Hitachi Eng Co Ltd | Radio frequency anechoic enclosure |
| JP2002181862A (en) * | 2000-12-18 | 2002-06-26 | Rikogaku Shinkokai | Emc test estimation system |
| CN101097234A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Test cabinet of double testing antenna |
| CN101650410A (en) * | 2009-06-30 | 2010-02-17 | 奇瑞汽车股份有限公司 | Test stand system of electric automobile driving motor |
| CN201508394U (en) * | 2009-09-29 | 2010-06-16 | 上海机动车检测中心 | Electromagnetism compatibility test connection system for driving motor mounted at shaft end of electric automobile |
| CN101750549A (en) * | 2008-12-15 | 2010-06-23 | 北方设计研究院 | Electromagnetic measurement comprehensive darkroom for electromagnetic compatibility test and antenna measurement |
| CN201628727U (en) * | 2010-03-09 | 2010-11-10 | 武汉新瑞科电气技术有限公司 | Electrotechnical instrument casing and assembly thereof |
| CN102043101A (en) * | 2009-10-19 | 2011-05-04 | 上海机动车检测中心 | Method for testing electromagnetic compatibility (EMC) of electrically-driven automobile |
| CN102353899A (en) * | 2011-06-29 | 2012-02-15 | 重庆长安汽车股份有限公司 | Electromagnetic compatibility test tool for automobile generator |
| CN102707706A (en) * | 2012-03-20 | 2012-10-03 | 奇瑞汽车股份有限公司 | Electromagnetic immunity performance testing system of vehicle body controller and testing method of system |
| CN102937699A (en) * | 2011-12-23 | 2013-02-20 | 同济大学 | Test system for high-frequency torque ripples of distributed driving wheel hub motor |
-
2013
- 2013-02-22 CN CN201310058044.5A patent/CN103149480B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06237090A (en) * | 1993-02-08 | 1994-08-23 | Hitachi Eng Co Ltd | Radio frequency anechoic enclosure |
| JP2002181862A (en) * | 2000-12-18 | 2002-06-26 | Rikogaku Shinkokai | Emc test estimation system |
| CN101097234A (en) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区顺达电脑厂有限公司 | Test cabinet of double testing antenna |
| CN101750549A (en) * | 2008-12-15 | 2010-06-23 | 北方设计研究院 | Electromagnetic measurement comprehensive darkroom for electromagnetic compatibility test and antenna measurement |
| CN101650410A (en) * | 2009-06-30 | 2010-02-17 | 奇瑞汽车股份有限公司 | Test stand system of electric automobile driving motor |
| CN201508394U (en) * | 2009-09-29 | 2010-06-16 | 上海机动车检测中心 | Electromagnetism compatibility test connection system for driving motor mounted at shaft end of electric automobile |
| CN102043101A (en) * | 2009-10-19 | 2011-05-04 | 上海机动车检测中心 | Method for testing electromagnetic compatibility (EMC) of electrically-driven automobile |
| CN201628727U (en) * | 2010-03-09 | 2010-11-10 | 武汉新瑞科电气技术有限公司 | Electrotechnical instrument casing and assembly thereof |
| CN102353899A (en) * | 2011-06-29 | 2012-02-15 | 重庆长安汽车股份有限公司 | Electromagnetic compatibility test tool for automobile generator |
| CN102937699A (en) * | 2011-12-23 | 2013-02-20 | 同济大学 | Test system for high-frequency torque ripples of distributed driving wheel hub motor |
| CN102707706A (en) * | 2012-03-20 | 2012-10-03 | 奇瑞汽车股份有限公司 | Electromagnetic immunity performance testing system of vehicle body controller and testing method of system |
Non-Patent Citations (2)
| Title |
|---|
| 刘宝华等: "3米法半电波暗室辐射骚扰测量不确定度评定", 《秒动通信》 * |
| 赵文晖: "车载通信系统电磁兼容评估与检测技术分析", 《2010年通信理论与信号处理学术年会论文集》 * |
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| CN104101803A (en) * | 2014-07-07 | 2014-10-15 | 中国汽车工程研究院股份有限公司 | EMC performance testing system under motor on-load condition |
| CN104793137A (en) * | 2015-03-10 | 2015-07-22 | 南京工程学院 | Abnormal load type distinguishing method based on motor motion feature values |
| CN104793137B (en) * | 2015-03-10 | 2017-07-11 | 南京工程学院 | A kind of abnormal load type identification method based on motor movement characteristic value |
| CN104833829A (en) * | 2015-05-12 | 2015-08-12 | 广州市诚臻电子科技有限公司 | Motor load adjustable device for electromagnetic compatibility test |
| CN105974236A (en) * | 2016-06-03 | 2016-09-28 | 广州市诚臻电子科技有限公司 | Motor loading and driving system used for electromagnetic compatibility test |
| CN106646035A (en) * | 2016-11-25 | 2017-05-10 | 北京无线电计量测试研究所 | Simulation method and system for radiation influence of wave-absorbing material |
| CN106646035B (en) * | 2016-11-25 | 2019-02-15 | 北京无线电计量测试研究所 | A kind of absorbing material radiation effect emulation mode and system |
| WO2018166118A1 (en) * | 2017-03-16 | 2018-09-20 | 上海蔚来汽车有限公司 | Electromagnetic compatibility testing device and testing system comprising same |
| CN108981900A (en) * | 2017-06-01 | 2018-12-11 | 上汽通用汽车有限公司 | High-speed motor acoustical behavior test equipment |
| CN108918993A (en) * | 2018-05-18 | 2018-11-30 | 上海埃德电子股份有限公司 | A kind of construction is novel and meets the Motor Measuring System of electromagnetic compatibility test index |
| CN108918993B (en) * | 2018-05-18 | 2021-02-05 | 上海埃德电子股份有限公司 | Motor test system with novel structure and capable of meeting electromagnetic compatibility test indexes |
| CN109061471A (en) * | 2018-09-13 | 2018-12-21 | 安徽精科检测技术有限公司 | Motor in electric automobile electromagnetic compatibility measurement of power test macro |
| CN109061471B (en) * | 2018-09-13 | 2023-09-08 | 安徽精科检测技术有限公司 | Electromagnetic compatibility dynamometer testing system for electric automobile motor |
| WO2021177408A1 (en) * | 2020-03-04 | 2021-09-10 | 株式会社オータマ | Shielding rotation transmission mechanism, motor/inverter test bench using same, and emc test equipment device |
| JP7453048B2 (en) | 2020-04-22 | 2024-03-19 | 株式会社日立製作所 | Motor load test device and method |
| CN111897315A (en) * | 2020-08-31 | 2020-11-06 | 南方电网科学研究院有限责任公司 | Electromagnetic disturbance testing device for controlling protection equipment |
| AT526282A1 (en) * | 2022-07-08 | 2024-01-15 | Avl List Gmbh | System for carrying out electromagnetic compatibility tests |
| CN116893315A (en) * | 2023-09-07 | 2023-10-17 | 苏州英特模科技股份有限公司 | Wall penetrating system of load dynamometer of semi-anechoic chamber and mounting method of wall penetrating system |
| CN116893315B (en) * | 2023-09-07 | 2023-12-12 | 苏州英特模科技股份有限公司 | Wall penetrating system of load dynamometer of semi-anechoic chamber and mounting method of wall penetrating system |
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