TY - GEN
T1 - Extreme weather loading risk model of overhead transmission line
AU - Yu, Sun
AU - Wang, Xiuli
PY - 2012
Y1 - 2012
N2 - Power grid suffers tremendous economic loss in extreme ice disaster weather, suggesting that it lacks immediate precautionary system. On the basis of the standards of Q/GDW179-2008 and IEC60826-2003, the curve of transmission line design loads is built up. In view of ransom character for load-strength of transmission line, according to load-strength interference theory, a short-term wind and ice loading risk model is established, which is a time-dependent wind and ice loading model, and can be calculated unreliability probability and fault rate, showing risks about cluster fault and common fault. Furthermore, wind and ice loads are divided into five states, which show risk margin of loads. It also can provide precautionary information for operator, and can present risk measurement on time scale.
AB - Power grid suffers tremendous economic loss in extreme ice disaster weather, suggesting that it lacks immediate precautionary system. On the basis of the standards of Q/GDW179-2008 and IEC60826-2003, the curve of transmission line design loads is built up. In view of ransom character for load-strength of transmission line, according to load-strength interference theory, a short-term wind and ice loading risk model is established, which is a time-dependent wind and ice loading model, and can be calculated unreliability probability and fault rate, showing risks about cluster fault and common fault. Furthermore, wind and ice loads are divided into five states, which show risk margin of loads. It also can provide precautionary information for operator, and can present risk measurement on time scale.
KW - Extreme ice disaster weather
KW - Power system precaution
KW - Time-dependent reliability model
KW - Wind and ice loads
UR - https://www.scopus.com/pages/publications/83755167804
U2 - 10.4028/www.scientific.net/AMR.383-390.2005
DO - 10.4028/www.scientific.net/AMR.383-390.2005
M3 - 会议稿件
AN - SCOPUS:83755167804
SN - 9783037852958
T3 - Advanced Materials Research
SP - 2005
EP - 2011
BT - Manufacturing Science and Technology
T2 - 2011 International Conference on Manufacturing Science and Technology, ICMST 2011
Y2 - 16 September 2011 through 18 September 2011
ER -