Zobrazeno 1 - 10
of 118
pro vyhledávání: '"Xu Cai"'
Publikováno v:
IEEE Transactions on Power Electronics. 36:8539-8551
In dealing with the wide voltage range of energy storage components and fuel cell, multimode buck–boost converter (MBBC) serves as a versatile interfacing circuit with multimode operation capability. In this article, dynamic performance of MBBC is
Publikováno v:
IEEE Journal of Emerging and Selected Topics in Power Electronics. 9:3530-3539
Modular multilevel converter (MMC) may contain a large number of submodules (SMs). The overall reliability of MMC strongly relies on the comprehensive testing and validation of SMs. However, building a relatively complete MMC system/arm for the testi
Publikováno v:
IEEE Transactions on Power Electronics. 36:5213-5222
This article proposes a highly efficient mission profile emulator (MPE) for submodules (SM) in modular multilevel converter (MMC), with respect to its basic circuit topology, control method and design. By using a common three-phase dc–ac power conv
Publikováno v:
IEEE Transactions on Power Electronics. 36:1553-1562
The modular multilevel converter (MMC) is an attractive converter topology for medium-/high-voltage applications. The voltage balancing for floating capacitors of submodules in MMC under carrier-phase-shift pulsewidth modulation (CPS-PWM), is an impo
Publikováno v:
IEEE Transactions on Power Electronics. 36:1412-1427
Modular multilevel converter (MMC)-based solid-state transformers (SSTs) have gained increasing interest lately. Topologies consisting of cells made of directly coupled MMC submodules (SMs) and dual-active-bridge (DAB) modules have been introduced to
Publikováno v:
IEEE Access. 9:60658-60667
In the offshore wind farm high-voltage direct-current (HVDC) system, the power delivery capability of the onshore modular multilevel converter (MMC) decreases severely under grid fault, which makes the DC-bus voltage increase rapidly and threatens th
Publikováno v:
IET Renewable Power Generation. 14:3088-3096
The phase-locked loop (PLL) is an available synchronisation technique that can extract the fundamental frequency and phase of the grid. Benefited from the filter properties, pre-filter PLL is widely applied in voltage source inverters (VSIs) to enhan
Publikováno v:
IEEE Transactions on Power Electronics. 35:13017-13030
Evolving from the popular modular multilevel ac-dc converter, the single-stage nonisolated modular multilevel dc-dc converter (MMDC) is advantageous for medium- and high-voltage applications. However, exploiting ac circulating power to balance the su
Publikováno v:
IET Renewable Power Generation. 14:3058-3069
Based on the two-stage-type configuration of direct current (DC) photovoltaic (PV) power collection network, the key issues of coordination start-up and operation mode switching for the converters in different stages are investigated thoroughly in th
Publikováno v:
IEEE Transactions on Power Electronics. 35:11707-11719
DC power flow controller (DCPFC) is regarded as an effective technology to improve the active power distribution capability in a complex dc grid. Among different types of DCPFCs, the interline dc power flow controller (IDCPFC) can realize multiline p