Research on the Risk Assessment of Urban Power Network Planning Based on Improved Risk Matrix
Keywords:
Urban power network planning, risk assessment, risk matrix, borda method, AHP method.Abstract
The urban power network planning is the premise
of the power grid construction, so more and more attention has
beenpaid to its scientific nature and rationality. However, the
multifarious risks in the urban power network planning have
become the barriers of the city power grid development. Hence,
it is extremely important to identify these risk factors. In this
paper, we proposed an improved risk matrix algorithm
innovatively. Then, it was applied to assess the risk of XX city’s
power network planning. In this algorithm, the conventional
two-dimensional risk matrix has been reshaped by adding two
more dimensional characteristics, including the risk rating and
the risk’s attention rating. Based on this four-dimensional risk
matrix, the Borda method is used to calculate the sequence
value of each risk factor, then we can use these sequence values
to construct the judgmentmatrix by using AHP method so as to
calculate the weight of the risk factors and then identify a
couple of important risk factors that have great impact on the
urban power network planning. Finally, some corresponding
advices of risk aversion are proposedto guarantee the smooth
operation of urban power network planning.
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