Zobrazeno 1 - 10
of 1 299
pro vyhledávání: '"«Modulation strategy »"'
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 8, Iss 2, Pp 191-201 (2024)
Cascaded H-bridge inverter (CHBI) with supercapacitors (SCs) and dc-dc stage shows significant promise for medium to high voltage energy storage applications. This paper investigates the voltage balance of capacitors within the CHBI, including both t
Externí odkaz:
https://doaj.org/article/255a5b77c8664f4984ecd15a6fb7c3db
Publikováno v:
IEEE Access, Vol 12, Pp 185187-185199 (2024)
A novel SWISS rectifier based on single active bridge converter (SAB-SR) is proposed. The high-low-high-low (HLHL) voltage waveform modulation to realize soft-switching for the power switches and the hybrid frequency control scheme to achieve high po
Externí odkaz:
https://doaj.org/article/54829515e86643309ef7d33bc62ac9d4
Publikováno v:
IEEE Access, Vol 12, Pp 104785-104797 (2024)
Capacitance reduction in single-phase rectifiers has been the focus of several works, allowing, in many cases, the replacement of short-lifetime electrolytic with film capacitors, prolonging the lifespan of the converter. Among the different techniqu
Externí odkaz:
https://doaj.org/article/967388c812e040c08ee97b9d2e2097c5
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 5, Pp 250-260 (2024)
In this paper an advanced modulation strategy is proposed that generates the switch control signals of a power converter while inherently guaranteeing zero-voltage switching (ZVS) operation. The proposed modulator is based on a first-order $\Delta \S
Externí odkaz:
https://doaj.org/article/892d7a3f02624bf585628189234e7578
Autor:
Riccardo Testa, Luca Vancini, Gabriele Rizzoli, Michele Mengoni, Antonio Femia, Luca Zarri, Angelo Tani
Publikováno v:
Energies, Vol 17, Iss 21, p 5320 (2024)
This paper presents an analysis of the operational characteristics of three-phase AC–DC matrix converters, which operate as rectifiers but possess a range of additional capabilities. These include the ability to reverse the power flow, control the
Externí odkaz:
https://doaj.org/article/a544f0ef9bc94fc198e85d2f53df4211
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
This paper proposes an input-parallel output-series (IPOS) Si-SiC hybrid inverter with dual-frequency harmonic elimination modulation strategy. The proposed topology composed of two power conversion cells and a three-phase five-column medium-frequenc
Externí odkaz:
https://doaj.org/article/67219c6c2f3b4ef2a98b08d59e1d6185
Autor:
В. Олещук
Publikováno v:
Технічна електродинаміка, Iss 4, Pp 034-034 (2024)
This paper presents short overview of the development and dissemination of specialized schemes and algorithms of space-vector-based synchronous multi-zone pulsewidth modulation (MZ PWM) for control of triple inverters of the medium-power variable spe
Externí odkaz:
https://doaj.org/article/b98eb6d23e434ac6909a83f4083f3410
Autor:
Shen Delei
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
This paper proposes a sleep quality monitoring system based on artificial intelligence, whose basic idea is to collect the relevant data during sleep through the sensors installed in the intelligent devices and analyze the sleep characteristics, whic
Externí odkaz:
https://doaj.org/article/a5b66c5ec9944660a2c6945f31c6d970
Publikováno v:
Electrical engineering & Electromechanics, Iss 3, Pp 40-46 (2023)
Introduction. Wind energy conversion system is getting a lot of attention since, they are provide several advantages, such as cost competitive, environmentally clean, and safe renewable power source as compared with the fossil fuel and nuclear power
Externí odkaz:
https://doaj.org/article/b3739d4f11854a20b6aa96f62b33a916
Publikováno v:
Energies, Vol 17, Iss 13, p 3157 (2024)
Common-mode voltage (CMV) leads to the shaft voltage and shaft current by coupling the capacitor network in the permanent magnet synchronous machine (PMSM), which affects the reliability of the whole motor drive system. Based on the low-CMV modulatio
Externí odkaz:
https://doaj.org/article/859d773334934de3bd25597afb4c5791