Results 51 to 60 of about 7,162 (301)
, 2019 In modern power systems, the Rate-of-Change-of-Frequency (ROCOF) may be largely employed in Wide Area Monitoring, Protection and Control (WAMPAC) applications. However, a standard approach towards ROCOF measurements is still missing.
Derviskadic, Asja +3 more
core +1 more source
Solar Photovoltaic and Thermal Energy Systems: Current Technology and Future Trends [PDF]
, 2017 Solar systems have become very competitive solutions for residential, commercial, and industrial applications for both standalone and grid connected operations. This paper presents an overview of the current status and future perspectives of solar energy
Abu.Rub, Aitham +2 more
core +1 more source
International White Book on DER Protection : Review and Testing Procedures [PDF]
, 2011 This white book provides an insight into the issues surrounding the impact of increasing levels of DER on the generator and network protection and the resulting necessary improvements in protection testing practices.
Abdulhadi, Ibrahim Faiek +7 more
core
An islanding detection method for multi-DG systems based on high-frequency impedance estimation [PDF]
, 2017 Active islanding detection methods are generally employed for grid-connected inverter-based Distributed Generation (DG). However, there might be mutual influences and power quality issues caused by the disturbance signal when multiple inverters are ...
Bi, Tianshu +4 more
core +2 more sources
Islanding Detection for Distributed Generation
Journal of Electrical Engineering and Technology, 2007 The paper discussed various techniques for islanding detection and described in detail the working principles of ROCOF and vector shift relays. A simulator was used to investigate why the stability of both types of relays maybe affected by network and load switching, short-circuit faults and in the case of a ROCOF relay the loss of bulk generation or ...
Ding, X. +2 more
openaire +3 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim +8 more
wiley +1 more source
DC Microgrid Islanding Detection Method Based on RUSBoost Algorithm
IET Power ElectronicsWith the widespread integration of distributed power sources, DC microgrids (DCMGs) have become an important component of the new smart grid. Detecting unintentional islanding, defined as the inadvertent disconnection of distributed generators (DGs) from
Na Zhi, Jilin Qiu
doaj +1 more source
Distributed Islanding Detection in Multisource DC Microgrids: Pilot Signal Cancelation
IEEE Access, 2022 Integrating Distributed Generators (DGs) in DC microgrids require islanding detection in all converters. Impedance-based islanding detection methods can be beneficial in single-converter scenarios. However, their implementation in multi-converter systems
Cristian Blanco +4 more
doaj +1 more source
Impedance measurement and detection frequency bandwidth, a valid island detection proposal for voltage controlled inverters [PDF]
, 2019 Anti-islanding detection methods have been part of a secure operation for distributed energy resource inverters, avoiding the creation of non-intentional energization when the mains are lost.
Chillón Antón, Cristian +4 more
core +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT In pediatric patients, T‐cell lymphoblastic lymphoma (T‐LBL) survival exceeds 80%. Relapse remains associated with limited curative options. Frontline treatment is largely extrapolated from T‐cell acute lymphoblastic leukemia (T‐ALL) treatment, reflecting the ongoing debate, whether both entities represent distinct diseases or variants within ...
Marie C. Heider +4 more
wiley +1 more source