Zobrazeno 1 - 10
of 397
pro vyhledávání: '"AC-DC power convertors"'
Autor:
Farzin Gharaghani, Mehdi Asadi
Publikováno v:
IET Power Electronics, Vol 17, Iss 15, Pp 2549-2560 (2024)
Abstract Modular multilevel green converter based high voltage direct current (MMC‐HVDC) transmission system has become a practical solution to interconnect renewable energy sources to main AC grids. Connecting the MMC to a weak AC system is still
Externí odkaz:
https://doaj.org/article/295069fdc84d4caeb6f145b4ac9b5dfb
Autor:
Saman Shoorabi Sani
Publikováno v:
IET Power Electronics, Vol 17, Iss 15, Pp 2613-2630 (2024)
Abstract There is always considerable inconsistency between the input energy and the amount of the energy required for the load in piezoelectric transducers (PZTs) energy harvesting interface circuits that often degrades the harvesting performance of
Externí odkaz:
https://doaj.org/article/68e983060d0a491da24d8eb9b16d1bda
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 15, Pp 2991-3002 (2024)
Abstract The efficiency of the power‐to‐hydrogen (P2H) alkaline electrolyzer (AE) is the primary factor constraint on its large‐scale application. Decreasing the specific energy consumption (SEC) of AE is positive to enhancing the efficiency of
Externí odkaz:
https://doaj.org/article/24ee038ece4c4988b9cbd61acab3c43d
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 15, Pp 3003-3019 (2024)
Abstract The flexible interconnection device (FID) offers significant advantages for interconnecting different distribution networks flexibly. This paper focuses on the significant advantages offered by the FID for interconnecting different distribut
Externí odkaz:
https://doaj.org/article/e9058ff5d393419593490e327054159e
Autor:
Philemon Yegon, Mukhtiar Singh
Publikováno v:
IET Power Electronics, Vol 17, Iss 14, Pp 1713-1727 (2024)
Abstract Modern power system networks are under statutory obligations to integrate renewable energy sources (RES). The primary reason is to meet ever‐increasing energy demand and also to curtail environmental pollution by greenhouse gases. However,
Externí odkaz:
https://doaj.org/article/474d1939de1a4ebbad26b1837742fa5e
Publikováno v:
IET Power Electronics, Vol 17, Iss 14, Pp 1783-1796 (2024)
Abstract Finite control set model predictive control (FCS‐MPC) has been widely used in the control of three‐phase voltage source converter (VSC), but its control performance declines sharply at low sampling frequencies. This paper proposes an opt
Externí odkaz:
https://doaj.org/article/7fbb443ab5d1480c99d8f4fdde429b98
Publikováno v:
IET Power Electronics, Vol 17, Iss 14, Pp 1960-1972 (2024)
Abstract Dual active bridge (DAB) is an isolated DC‐DC converter gaining wider attention in power electronics applications. The high frequency (HF) transformer is an integral part of the DAB which is prone to saturation. Silicon carbide (SiC) based
Externí odkaz:
https://doaj.org/article/2dfe587ef36f4bcb80778ffef68df52c
Publikováno v:
IET Power Electronics, Vol 17, Iss 14, Pp 2059-2071 (2024)
Abstract This study investigates the low‐frequency oscillations (LFOs) in MMC‐MVDC systems with high photovoltaic (PV) penetration, considering the whole operating conditions of the grid‐connected MMC, including both the inverter and rectifier
Externí odkaz:
https://doaj.org/article/8030a170dc684b0fa7daaa9142fbb0f4
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 14, Pp 2723-2736 (2024)
Abstract The high penetration of renewable energy sources (RES) results in a low‐inertia, weak power grid. To mitigate this and restore system inertia, it has been widely proposed to operate the inverters of RES units to mimic synchronous generator
Externí odkaz:
https://doaj.org/article/07a718c4ac3746419b723b48f96a5520
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 14, Pp 2575-2588 (2024)
Abstract This article aims to investigate different dc‐bus voltage balancing control modes for a modular HVDC drive train applied to offshore wind energy. The modular structure discussed consists of a stacked polyphase bridge converter connected to
Externí odkaz:
https://doaj.org/article/5233fe6e75ca4d7eb74a8c0b90472c1d