Results 251 to 260 of about 2,866,338 (297)

TRANSIENT PHENOMENA IN BLACK START

Conference Proceedings of Third International Conference ETIMA 2025
System restoration following a blackout event involves complex electrical and operational challenges that must comply with Commission Regulation (EU) 2017/2196 and following TSOs’ restoration codes as mandated by that Regulation. It is also mandated that TSOs review the measures of their restoration plan, including the energising restoration path from ...
Žaneta Eleschová, Ivan Bednárik, Dávid Kompan, Juraj Zeman   +3 more
openaire   +1 more source

And They Started Sayin’ “Black Power!”

Feminist Media Histories, 2018
This photo essay attempts to map some of the historical moments that likely influenced the birth of the black panther as an icon and hero in the worlds of both political activism and comic books. From its initial appearance in Alabama to its incarnation in Oakland, the black panther has stood the test of time and remained an index of Black power.
openaire   +1 more source

A study on the black start capability of VSC-HVDC using soft-starting mode

2009 IEEE 6th International Power Electronics and Motion Control Conference, 2009
A good Black-Start scheme is important and necessary to resume power supply fast and efficiently after black out, and how to choose black-start power is the first thing to consider in the scheme. In this paper, the advantages of VSC-HVDC as black start power are analyzed.
null Mingxia Zhou, null Sheng Li, null Jianhua Zhang, null Zongqi Liu, null Yinhui Li   +4 more
openaire   +1 more source

Black start generator protection considerations

2010 63rd Annual Conference for Protective Relay Engineers, 2010
Application of sound relaying principles helps prevent unwanted tripping during black starts. An unwanted trip during a black start is extremely detrimental since the utility is attempting to reconnect its high voltage grid and restore service throughout its operating region.
openaire   +1 more source

Urban network reconfiguration in black start

2006 China International Conference on Electricity Distribution (CICED 2006), 2006
The problem of urban network restoration after blackout is studyed in this paper. Considering of the inferences of transmission network restoration process to distribution network restoration, the target function and constraints of optimal algorithm for distribution network reconfiguration in black start have been presented.
null Yunhai Zhou, null Xue Wei, null Xiangyong Hu   +2 more
openaire   +1 more source

Design and research of typical black-start cases with CCHP systems as start units

2014 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), 2014
This paper focuses on black-start of power system with turbine based combined cooling, heating and power (CCHP) systems as start units. Firstly, the relation among inrush current, the capacity of CCHP systems and transformers are researched and summarized by building models and running simulations in PSCAD.
Zhaoxia Jing, Shan Lin, Xiaodong Chen, Qinghua Wu   +3 more
openaire   +1 more source

Black start and islanding operations of microgrid

2019
This chapter describes different control techniques applied in microgrids (MGs) with responsive distributed energy resources (DER) for intentional and automatic islanding, deployment of a local black start strategy and including the reconnection to the upstream distribution network.
Clara Gouveia, Carlos Moreira, Andre G. Madureira, Jose Gouveia, Diego Issicaba, Joao Abel Pecas Lopes   +5 more
openaire   +1 more source

Transformer overvoltage problems and countermeasures at black start

2003 IEEE Power Engineering Society General Meeting (IEEE Cat. No.03CH37491), 2004
A system of Kyushu Electric Power Company Inc. or KEPCO (about 19 GW) belongs to the western Japan system (110 GW) and has a 500-kV and 220-kV transmission line in a loop configuration. Japan's power system has high reliability and experienced no blackout for the past several decades.
T. Funakoshi, K. Furukawa, T. Kawachino, S. Takasaki, T. Shimojo, K. Hirayama, T. Sogabe, T. Shimamura, H. Hashimoto, S. Nohara   +9 more
openaire   +1 more source

Black start test of the Swedish power system

2011 IEEE Trondheim PowerTech, 2011
This paper reports on the black start test of the Swedish power system, performed by Svenska Kraftnat, early October 2010. The tests, performed on a regular basis, aim at verifying the black start capability of the Swedish and Nordic system, with respect to total black start of a number of power stations, energizing of major transmission lines ...
H. Fendin, T. Hansen, M. Hemmingsson, D. Karlsson   +3 more
openaire   +1 more source

A Case Study on Black Start Capability Assessment

2019 International Conference on Electrical Engineering Research & Practice (ICEERP), 2019
Despite the fact that tremendous efforts have been placed to avoid outages on power system networks, forced outages can occur as a result of catastrophic event, device error, operator fault and cyber threats. These outages, when occur, can lead to partial or complete blackout.
Ali Asheibi, Salem Shuaib
openaire   +1 more source