IEEE33节点数据(case33bw.m)

代码说明：

function mpc = case33bw%CASE33BW  Power flow data for 33 bus distribution system from Baran & Wu%    Please see CASEFORMAT for details on the case file format.%%    Data from ...%       M. E. Baran and F. F. Wu, "Network reconfiguration in distribution%       systems for loss reduction and load balancing," in IEEE Transactions%       on Power Delivery, vol. 4, no. 2, pp. 1401-1407, Apr 1989.%% MATPOWER Case Format : Version 2