How DC-link current and voltage ripple affect inverter performance?Abstract Inverter's performance and operating mode may be negatively affected by inverter input (dc-link) current and voltage ripple. It is a common experience that even theoretically balanced load.
Does voltage ripple affect DC-link capacitance in automotive traction voltage source inverters?Abstract: The voltage ripple is the predominant dc-link capacitor design parameter in automotive traction voltage source inverters. Therefore, the reduction of the voltage ripple results in the decrease of the dc-link capacitance.
Why is DC-link current ripple important in a five-phase inverter?Therefore, a thorough analysis of the dc-link current and voltage ripples on the capacitor in a five-phase inverter is essential for both optimal capacitor design and accurate performance evaluation. For the capacitor, high-frequency dc-link current ripple is introduced due to the PWM of the inverter .
Why do inverter switching actions reduce DC-link voltage ripple?Consequently, the pulsating current flowing from the inverter to the dc source can be effectively reduced . This, in turn, mitigates the dc-link voltage ripple, ensuring a relatively stable dc-link voltage under inverter switching actions .
How DC-link voltage ripple amplitude is calculated?The dc-link voltage ripple amplitude is calculated in Refs. [23, 24], and the dc-link capacitor design is proposed based on the dc-link voltage switching ripple requirements for five- and seven-phase inverters, respectively. The impact of the number of phases on input current ripple has been analysed in Ref.
What is output voltage ripple?Output-voltage ripple is the alternating current (AC) component of the direct current (DC) output voltage. It’s generated by a combination of factors, including the output capacitor’s equivalent series resistance (ESR), the voltage drop across the output capacitance, duty cycle and switching frequen
The voltage ripple is the predominant dc-link capacitor design parameter in automotive traction voltage source inverters. Therefore, the reduction of the voltage ripple results in the decrease
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The voltage ripple is the predominant dc-link capacitor design parameter in automotive traction voltage source inverters. Therefore, the reduction of the voltage ripple results in the decrease
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Abstract—In this paper, a method is proposed to investigate the dc-link current and voltage ripple calculations in voltage source inverters by considering the reverse recovery of the antiparallel
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In this paper, effective formulas for designing the dc-link capacitor as a function of the switching voltage ripple amplitude are obtained, considering the operating conditions such as the
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This paper aims to address such gap by presenting a method for calculating dc-link current and voltage ripples in five-phase voltage source inverter under unbalanced input
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In this paper, effective formulas for designing the dc-link capacitor as a function of the switching voltage ripple amplitude are obtained, considering the operating conditions such as the
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Abstract Inverter's performance and operating mode may be negatively affected by inverter input (dc-link) current and voltage ripple. It is a common experience that even theoretically balanced load...
Abstract: The voltage ripple is the predominant dc-link capacitor design parameter in automotive traction voltage source inverters. Therefore, the reduction of the voltage ripple results in the decrease of the dc-link capacitance.
Therefore, a thorough analysis of the dc-link current and voltage ripples on the capacitor in a five-phase inverter is essential for both optimal capacitor design and accurate performance evaluation. For the capacitor, high-frequency dc-link current ripple is introduced due to the PWM of the inverter .
Consequently, the pulsating current flowing from the inverter to the dc source can be effectively reduced . This, in turn, mitigates the dc-link voltage ripple, ensuring a relatively stable dc-link voltage under inverter switching actions .
The dc-link voltage ripple amplitude is calculated in Refs. [23, 24], and the dc-link capacitor design is proposed based on the dc-link voltage switching ripple requirements for five- and seven-phase inverters, respectively. The impact of the number of phases on input current ripple has been analysed in Ref. .
Output-voltage ripple is the alternating current (AC) component of the direct current (DC) output voltage. It’s generated by a combination of factors, including the output capacitor’s equivalent series resistance (ESR), the voltage drop across the output capacitance, duty cycle and switching frequency.
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