Results 181 to 190 of about 5,995,861 (234)
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IEEE Journal of Emerging and Selected Topics in Power Electronics
This article introduces a pulse width modulation (PWM) scheme for both common mode voltage elimination and zero-sequence circulating current suppression.
Zhiyong Zeng, Stefan M. Goetz
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This article introduces a pulse width modulation (PWM) scheme for both common mode voltage elimination and zero-sequence circulating current suppression.
Zhiyong Zeng, Stefan M. Goetz
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IEEE Transactions on Transportation Electrification
Offline inverter nonlinearity identification is a useful method to deal with the inverter nonlinearity effect in machine drive. However, the conventional methods can only be achieved at a particular initial rotor position, which reduces the application ...
Qiwei Wang +6 more
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Offline inverter nonlinearity identification is a useful method to deal with the inverter nonlinearity effect in machine drive. However, the conventional methods can only be achieved at a particular initial rotor position, which reduces the application ...
Qiwei Wang +6 more
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IEEE transactions on industrial electronics (1982. Print)
Conventional finite control set model predictive control (FCS-MPC) for three-phase three-level (3P-3L) converters suffers from cumbersome weighting factor design, variable switching frequency, and performance compromise in neutral point potential (NPP ...
Shaomin Yan, Yue Cui, Chengmin Li
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Conventional finite control set model predictive control (FCS-MPC) for three-phase three-level (3P-3L) converters suffers from cumbersome weighting factor design, variable switching frequency, and performance compromise in neutral point potential (NPP ...
Shaomin Yan, Yue Cui, Chengmin Li
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IEEE transactions on industrial electronics (1982. Print)
This article investigates the operating characteristics of three-level neutral-point-clamped rectifiers with unbalanced dc-link voltages. A zero-sequence component injection pulsewidth modulation method is proposed to realize high-quality ac currents and
Peng Zhang +6 more
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This article investigates the operating characteristics of three-level neutral-point-clamped rectifiers with unbalanced dc-link voltages. A zero-sequence component injection pulsewidth modulation method is proposed to realize high-quality ac currents and
Peng Zhang +6 more
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IEEE transactions on industrial electronics (1982. Print), 2020
Parallel three-level inverters have attracted considerable attention due to the advantages to increase the power rating and the flexibility of power conversion systems.
Xiangyang Xing +4 more
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Parallel three-level inverters have attracted considerable attention due to the advantages to increase the power rating and the flexibility of power conversion systems.
Xiangyang Xing +4 more
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Generalized zero-sequence and anti-zero-sequence performance of induction machines
Archiv für Elektrotechnik, 1981The present paper derives a new general zero-sequence steady state ladder equivalent circuit of threephase induction machines where zero-sequence currents can simultaneously flow in both the stator and rotor windings. A general expression for the zero-sequence torque is also derived.
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IEEE transactions on power electronics, 2020
In order to suppress zero-sequence current (ZSC) for open-end winding surfaced permanent magnet synchronous machine (OEW-SPMSM) drives with single dc voltage source, many methods have been employed.
Xin Yuan +5 more
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In order to suppress zero-sequence current (ZSC) for open-end winding surfaced permanent magnet synchronous machine (OEW-SPMSM) drives with single dc voltage source, many methods have been employed.
Xin Yuan +5 more
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IEEE transactions on power electronics, 2020
This article proposes a line-current ripple minimization pulsewidth modulation strategy with reduced zero-sequence circulating current (ZSCC) for two parallel three-phase two-level converters.
Zhiyong Zeng, Zhongxi Li, S. Goetz
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This article proposes a line-current ripple minimization pulsewidth modulation strategy with reduced zero-sequence circulating current (ZSCC) for two parallel three-phase two-level converters.
Zhiyong Zeng, Zhongxi Li, S. Goetz
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IEEE transactions on power electronics, 2020
Open-end winding permanent magnet synchronous machines (OW-PMSMs) supplied by dual inverters have gained increasing research focus due to its advantages in multilevel modulation, flexible control capability, and enhanced fault-tolerant performance.
Zhanfeng Song, Xiaohui Ma, Yun Yu
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Open-end winding permanent magnet synchronous machines (OW-PMSMs) supplied by dual inverters have gained increasing research focus due to its advantages in multilevel modulation, flexible control capability, and enhanced fault-tolerant performance.
Zhanfeng Song, Xiaohui Ma, Yun Yu
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Zero sequences for bergman spaces
Complex Variables, Theory and Application: An International Journal, 1996Let Z be a sequence of points in the unit disk. For a variety of analytic function spaces, it is shown that the properties of the function completely determine whether Z is a zero sequence for the given space. For example, if A -n= {f analytic in D f(z)(1-|z|2)n then Z is a zero sequence for A −n if and only if kZ(z)−nlog[1/(1-|z|2)] has a harmonic ...
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