Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Po Xu"'
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Depending on the PV power, load power, and battery status, the system may operate in different modes. The control loop may have to switch between operating modes. In practice, it is difficult to implement control loop switching because the transition
Externí odkaz:
https://doaj.org/article/6f0cfa101e3a4fa0a72241f84a0b3a36
Publikováno v:
Results in Engineering, Vol 21, Iss , Pp 101807- (2024)
PV arc-faults can cause fires, damage property, and endanger people's lives. This paper proposes a method for detecting DC arcs using artificial intelligence (AI). The four steps for arc detection are thoroughly described. After removing the low-freq
Externí odkaz:
https://doaj.org/article/0800eb982e5d4ab691c9e2456742b827
Publikováno v:
Energy Reports, Vol 10, Iss , Pp 3955-3969 (2023)
Potential induced degradation (PID) is regarded as one of leading causes of photovoltaic (PV) module degradation. A PID suppression method is proposed in this paper, in which a PID suppression unit is added between DC negative bus and ground. The ide
Externí odkaz:
https://doaj.org/article/c2c95a0a879346e1afb95b99870869ec
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 299-305 (2023)
Electrolytic capacitors are considered a vulnerable link in PV systems. In order to enhance the system reliability and lifespan, this paper investigates a PV system without electrolytic capacitors. First, the system structure is introduced. Then, the
Externí odkaz:
https://doaj.org/article/e1a9f48639dc43dbae5b6b9ca84133fc
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 210-217 (2023)
This paper investigates the dc-bus voltage balancing for 3-level DC/DC converters. First, the system control diagram is introduced. Then, based on duty cycle and operating modes, four different cases are illustrated. The output voltages under four ca
Externí odkaz:
https://doaj.org/article/4a82fc0217a74c479562a9028c417666
Publikováno v:
Energies, Vol 16, Iss 18, p 6558 (2023)
It is simple to implement conventional current control with a proportional integral (PI) controller. However, system stability and dynamic performance are not perfect, particularly when operating under unfavorable conditions. In this paper, an improv
Externí odkaz:
https://doaj.org/article/be0c8db53eb840899bb03ac52c9c4bc6
Publikováno v:
Energies, Vol 16, Iss 14, p 5557 (2023)
In order to achieve efficient utilization of solar energy resources, this study combines the trans-critical organic Rankine cycle (ORC) power cycle (TORC) with the trans-critical CO2 refrigeration cycle (TCO2). Additionally, a comprehensive three-lev
Externí odkaz:
https://doaj.org/article/16da174e1f77409fa7fec9bc91b20f5e
Publikováno v:
Energies, Vol 16, Iss 12, p 4567 (2023)
The use of electric vehicles (EVs) for household uninterruptible power supplies (UPSs), particularly in rural areas, can greatly improve household power reliability. However, because EVs are mobile, the evaluation of backup capacity for EV-UPS system
Externí odkaz:
https://doaj.org/article/fdf4cc5171b44d48aa138f2e075508b6
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 6, Iss 1, Pp 52-63 (2020)
Externí odkaz:
https://doaj.org/article/ba1c36301a01445b9820239328fabbb0
Autor:
Ying Wang, Kaichun Wu, Zhiping Yang, Qingchuan Zhao, Dongmei Fan, Po Xu, Yongzhan Nie, Daiming Fan
Publikováno v:
PLoS ONE, Vol 10, Iss 8, p e0135461 (2015)
The effect of chemotherapy of gastric cancer (GC) remains very poor because of multidrug resistance (MDR). However, the mechanisms underlying MDR of GC remains far from fully understood. The aim of this study is to illustrate the potential mechanisms
Externí odkaz:
https://doaj.org/article/5468c9b367624b6ead23e225b1240d1b