dynamics_EE
2016-12-17 19:16:49 0 举报电力系统PST的程序框图，使用NR法，涉及变压器抽头调节
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tap iteration=tap iteration + 1
Y
calcaulate power mismatch△P，△Q
form new Jaccobean matrix
iteration =1
iteration =iteration +1
check convergence
tap iteration reach maxoriteration reach max
tap iteration=1
N
start
tap iterationsmax
input initial data and set default
build admittance matrix Y
check Q of PV nodes outside limits
calculate△δ，△U
if tap could be changedand V outside limits
reset tap and update Y
report fail to converge
modify δ，U
transform PV nodes to PQ nodes in Y
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