Zobrazeno 1 - 10
of 626
pro vyhledávání: '"Kyo Beum Lee"'
Autor:
Kyo Beum Lee, June-Seok Lee
Publikováno v:
Energies, Vol 6, Iss 1, Pp 58-78 (2013)
This paper proposes a variable DC-link reference voltage algorithm for wide range of maximum power point tracking (MPPT) for two-string photovoltaic (PV) systems. A multi-string system, which is a kind of PV system, is widely used due to its many mer
Externí odkaz:
https://doaj.org/article/65c9288521884bad84b72f72e26e859f
Publikováno v:
Energies, Vol 5, Iss 5, Pp 1339-1354 (2012)
This paper proposes an improved maximum power point tracking (MPPT) method for wind power systems. The proposed method combines hysteresis control with tip speed ratio (TSR) control using a power coefficient curve. It has fast dynamic characteristics
Externí odkaz:
https://doaj.org/article/e1ac4e65d5474628b512059e75d30c2e
Publikováno v:
IEEE Access, Vol 12, Pp 89026-89034 (2024)
This paper proposes a model predictive control with space vector modulation (MPC-SVM) method that is based on using a voltage angle to reduce ripple components in open-end winding interior permanent magnet synchronous motor (OEW-IPMSM). Conventional
Externí odkaz:
https://doaj.org/article/6fbb9ac7a5af4da9b7b5a815771452d6
Publikováno v:
IEEE Access, Vol 11, Pp 2700-2710 (2023)
This paper proposes an advanced discontinuous pulse-width modulation (DPWM) scheme for a dual inverter to reduce switching loss. A dual inverter is used to drive an open-end winding interior permanent magnet synchronous motor (OEW-IPMSM). It is compo
Externí odkaz:
https://doaj.org/article/9655c84a05b242e4ac49da685849ae60
Autor:
Hasan Ali Gamal Al-Kaf, Kyo-Beum Lee
Publikováno v:
IEEE Access, Vol 10, Pp 132596-132607 (2022)
Multilayer neural network-based model predictive control (MLNN-MPC) has received a lot of attention in different power electronic applications. However, the computational burden often imposes limitations in low-order DSPs especially if a large number
Externí odkaz:
https://doaj.org/article/8b7eaf4028b5463e8b96d57d430dbd36
Publikováno v:
IEEE Access, Vol 10, Pp 75343-75353 (2022)
This paper proposed a GRU/LSTM-based deep regression model for thermal estimation of modular multilevel converter submodule. The MMC is composed of many submodules with the power semiconductors such as IGBTs and MOSFETs. The switches are the main com
Externí odkaz:
https://doaj.org/article/43c67c31a15c4c11b9655bfb27c3848e
Publikováno v:
IEEE Access, Vol 9, Pp 40336-40348 (2021)
This paper proposes a reduction method for DC-link ripple current and common-mode voltage (CMV) in a hybrid active neutral-point-clamped (ANPC) inverter. A Si and SiC hybrid ANPC inverter has been developed recently to overcome the extremely high cos
Externí odkaz:
https://doaj.org/article/6fea94211e0b41988ba4c6cdc2f97714
Publikováno v:
IEEE Access, Vol 8, Pp 2373-2381 (2020)
In this paper, a new method for reducing the ripples of torque and flux is proposed for the predictive torque control (PTC) of permanent magnet synchronous motors. The conventional PTC uses equations to analyze the relationship between the electrical
Externí odkaz:
https://doaj.org/article/9732b4f8182e4c20991024059e724cdf
Publikováno v:
IEEE Access, Vol 8, Pp 78130-78139 (2020)
The cascaded H-bridge multilevel inverter (CHMI) is a modular structure that consists of many power semiconductor switches. With this increase in the number of power semiconductor switches, it is hard to predict and handle the failure of the devices,
Externí odkaz:
https://doaj.org/article/bfa831facd064c02809931350bbc7c94
Publikováno v:
IEEE Access, Vol 8, Pp 97689-97697 (2020)
In this paper, an optimized space-vector modulation (SVM) to reduce DC-link ripple current in three-level inverters is presented. Various types of capacitors can be utilized to balance the voltage in the DC-link of voltage source inverters. Electroly
Externí odkaz:
https://doaj.org/article/2c9510cee93347adaf248300350371f6