Constant boost control of the Z-source inverter to minimize current ripple and voltage stress
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Additional excerpts
...The inductor current ripple in the -source inverter using maximum constant boost control [ 7 ] is...
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...With the control method presented in [ 7 ], , and can be expressed as...
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...The -source inverter is controlled with maximum constant boost control with modified PWM scheme [ 7 ], [13]....
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...shoot through duty ratio with the restriction to keep the voltage across the switches not to exceed its limit [ 7 ]....
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...For the -source inverter, the modulation index used to boost the voltage is determined by [ 7 ]...
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365 citations
Cites methods from "Constant boost control of the Z-sou..."
...” The PWM scheme used can be found in [9] and [16]....
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...5-Ah lithium-ion battery with a nominal voltage of 330 V, switching frequency of 10 kHz, and using constant boost control with third harmonic injection [9], [16]....
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362 citations
Cites background or methods from "Constant boost control of the Z-sou..."
...For the voltage-fedtype ZSI (abbreviated as ZSI), voltage boost methods based on pulsewidth modulation (PWM) have been first investigated as simple boost control, maximum boost control, and maximum constant boost control [1]–[3]....
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...Thus, (7), (8), or (9) has to be yielded according to the boost method engaged [1]–[3]...
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References
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"Constant boost control of the Z-sou..." refers background or methods or result in this paper
...The ratios of the voltage stress to the equivalent dc voltage VS/(GVdc) for the simple control, maximum boost control, and maximum constant boost control, respectively, proposed in [1] and [ 2 ], and this paper, are summarized as follows:...
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...As shown in [ 2 ], this simple boost control’s obtainable shoot-through duty ratio decreases with the increase of M , and the resulting voltage stress across the devices is relatively high....
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...Based on the map in Fig. 3, the shoot-through duty cycle D0 varies at six times the output frequency. As discussed in [ 2 ], the voltage boost...
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...Although the presented method will increase the voltage stress across the devices by a small amount compared to the maximum boost method in [ 2 ], this method is very suitable for minimizing the Z-source network, especially in low-frequency or variable-speed-drive applications....
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...To obtain the maximum voltage boost, Peng et al. [ 2 ] presented the maximum boost-control method, as shown in Fig. 3, which shoots through all zero states entirely....
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