METHOD FOR OPERATING A CURRENT CONVERTER AND CURRENT CONVERTER OPERATING ACCORDING TO SAID METHOD
The invention relates to a method for operating a current converter (8), in particular of an electric machine (2), in which, for the or for each semiconductor switch (22) of the current converter (8),a control signal (P') for setting a switch-off speed (Anew) is generated, wherein an electric i...
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Format | Patent |
Language | Chinese English |
Published |
03.05.2019
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Abstract | The invention relates to a method for operating a current converter (8), in particular of an electric machine (2), in which, for the or for each semiconductor switch (22) of the current converter (8),a control signal (P') for setting a switch-off speed (Anew) is generated, wherein an electric intermediate circuit voltage (Udc) of an intermediate circuit (10) is measured and compared to a voltagethreshold value (Uthresh), wherein an operating temperature (TB) of the respective semiconductor circuit (22) is measured and compared to a temperature threshold value (Tthresh), wherein a load current (Ic) switched by means of the respective semiconductor circuit (22) is measured and compared to a current threshold value (Ithresh), and wherein the control signal (P') for setting the switch-off speed (Anew) is generated on the basis of the comparisons.
本发明涉及一种用于运行整流器(8)、尤其是电机(2)的整流器(8)的方法,其中对于所述整流器(8)的半导体开关(22)或每个半导体开关(22)来说,产生用于调整切断速度(A)的控制信号(P'),其中检测中间电路(10)的中间电路电压(U)并且将其与电流阈值(U)进行比较;其中检测相应的半导体开关(22)的运行参数(T)并且将其与温度阈值 |
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AbstractList | The invention relates to a method for operating a current converter (8), in particular of an electric machine (2), in which, for the or for each semiconductor switch (22) of the current converter (8),a control signal (P') for setting a switch-off speed (Anew) is generated, wherein an electric intermediate circuit voltage (Udc) of an intermediate circuit (10) is measured and compared to a voltagethreshold value (Uthresh), wherein an operating temperature (TB) of the respective semiconductor circuit (22) is measured and compared to a temperature threshold value (Tthresh), wherein a load current (Ic) switched by means of the respective semiconductor circuit (22) is measured and compared to a current threshold value (Ithresh), and wherein the control signal (P') for setting the switch-off speed (Anew) is generated on the basis of the comparisons.
本发明涉及一种用于运行整流器(8)、尤其是电机(2)的整流器(8)的方法,其中对于所述整流器(8)的半导体开关(22)或每个半导体开关(22)来说,产生用于调整切断速度(A)的控制信号(P'),其中检测中间电路(10)的中间电路电压(U)并且将其与电流阈值(U)进行比较;其中检测相应的半导体开关(22)的运行参数(T)并且将其与温度阈值 |
Author | HOFFMANN HOLGER GU QIONG SLAVIK THOMAS |
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DocumentTitleAlternate | 用于运行整流器的方法以及根据该方法工作的整流器 |
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Snippet | The invention relates to a method for operating a current converter (8), in particular of an electric machine (2), in which, for the or for each semiconductor... |
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SubjectTerms | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PULSE TECHNIQUE TRANSPORTING VEHICLES IN GENERAL |
Title | METHOD FOR OPERATING A CURRENT CONVERTER AND CURRENT CONVERTER OPERATING ACCORDING TO SAID METHOD |
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