Zobrazeno 1 - 10
of 266
pro vyhledávání: '"Jang Mok Kim"'
Publikováno v:
Energies, Vol 17, Iss 18, p 4744 (2024)
This study investigates the influence of ferrite shape modifications on the performance and noise characteristics of an induction cooktop. The goal is to optimize the air gap dimensions between ferrites and cookware, enhancing efficiency while managi
Externí odkaz:
https://doaj.org/article/72b571ca3e504389bc1a76abfd149ca0
Publikováno v:
Energies, Vol 16, Iss 5, p 2097 (2023)
This paper describes a method for reducing the common-mode voltage in a seven-phase brushless DC motor (BLDC) drive. The conventional interleaved method used in the three-phase inverter system is extended and applied. The proposed phase-phase interle
Externí odkaz:
https://doaj.org/article/c920c07d72534ced8af6717bc6a118e4
Publikováno v:
Energies, Vol 15, Iss 12, p 4184 (2022)
This paper proposes the full simulation model for the electrical analysis of all-electric ship (AES) based on a medium voltage DC power system. The AES has become popular both in the commercial and the military areas due to a low emission, a high fue
Externí odkaz:
https://doaj.org/article/712458be608d4a9b8a29298849f1ab17
Publikováno v:
Energies, Vol 14, Iss 19, p 6409 (2021)
The three-phase H7 inverter topology installs an additional power semiconductor switch to the positive or negative node of the DC-link for reducing the common-mode voltage (CMV) by disconnecting the inverter from the DC source during the zero-voltage
Externí odkaz:
https://doaj.org/article/b4d1c48fe23b4f278a4f4eb722c4feb5
Publikováno v:
Energies, Vol 14, Iss 18, p 5626 (2021)
In recent years, electric propulsion systems have become widely, used and these systems have strict limits in volume and weight. Therefore, it is necessary to reduce the weight of the inverter-motor drive system. In a typical n inverter-motor drive s
Externí odkaz:
https://doaj.org/article/27e75abf401b411da8ac898f74c8491d
Publikováno v:
Energies, Vol 14, Iss 6, p 1607 (2021)
Low level modular multilevel converter (MMC) is a promising candidate for medium voltage applications such as MVDC (medium voltage DC current) transmission and megawatt machine drives. Unlike high-level MMC using nearest level modulation (NLM), the l
Externí odkaz:
https://doaj.org/article/addf3d7261a1473fa7bf3065c05cd80c
Autor:
Seon-Ik Hwang, Jang-Mok Kim
Publikováno v:
Energies, Vol 14, Iss 2, p 282 (2021)
The common-mode voltage (CMV) generated by the switching operation of the pulse width modulation (PWM) inverter leads to bearing failure and electromagnetic interference (EMI) noises. To reduce the CMV, it is necessary to reduce the magnitude of dv/d
Externí odkaz:
https://doaj.org/article/d2f91bb4a2484dc9a6de706b9fb17632
Publikováno v:
Energies, Vol 13, Iss 19, p 5212 (2020)
In vehicle electrical systems with limited battery power, the output torque and speed of high-speed brushless DC (BLDC) motors can decrease due to unstable and reduced supply voltage or manufacturing errors in the motor back electromotive force (EMF)
Externí odkaz:
https://doaj.org/article/47b8bef03c0a4292aefac4c1d8fd7816
Publikováno v:
Energies, Vol 13, Iss 16, p 4083 (2020)
Renewable energy needs are steadily on the rise. Bidirectional DC/DC converters are essential in charging and discharging various storage batteries, such as PV/ESS (photovoltaic/energy storage system). A dual active bridge (DAB) converter, in particu
Externí odkaz:
https://doaj.org/article/68f1a89bfbd84b2f8ea79c283a985a1b
Publikováno v:
Energies, Vol 13, Iss 2, p 457 (2020)
An exhaust gas recirculation (EGR) valve position control system requires fast response without overshoot, but the low control frequency limits control bandwidth and results in poor position response. A novel EGR valve position control scheme is prop
Externí odkaz:
https://doaj.org/article/3812d538c42b4b84981875c15d9e987a