Results 221 to 230 of about 526,497 (266)

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

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

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

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 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

A Case-Based Reasoning System for Black-start

2006 International Conference on Power System Technology, 2006
the basic strategy of case-based reasoning (CBR) is retrieving the most relevant cases and adapting them to fit new situation, and solutions would be stored for future reuse. A conceptual framework for a CBR system to scheme black-start plan is presented.
Zhou Yunhai, Hu Xiangyong
openaire   +1 more source

Evaluation of Restoration Sequence of DG in Black-Start

Applied Mechanics and Materials, 2015
With the rapid expansion of the grid, how to solve the security and stability of power system has become a hot problem. As a power system after a serious accident the necessary security measures, black-start programs are expected to play an extremely important role in reducing the loss of equipment and user outage and decreasing the outage time.
Xiao Yun Huang, Fei Jin Peng, Hong Yuan Huang, Zhi Wen Xie   +3 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

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

Coordinating Black Start of Transmission and Distribution Systems with Centralized and Distributed Black-Start Resources

2023
Ahmad Tbaileh, Quan Nguyen, Santosh Sharma, Qiuhua Huang, Qifeng Li, Ren Liu, Rui Sun, Xinda Ke   +7 more
openaire   +1 more source