function?mpc?=?case4hqh
%CASE4GS??Power?flow?data?for?4?bus?2?gen?case?from?Grainger?&?Stevenson.
%???Please?see?CASEFORMAT?for?details?on?the?case?file?format.
%
%???This?is?the?4?bus?example?from?pp.?337-338?of?“Power?System?Analysis“
%???by?John?Grainger?Jr.?William?Stevenson?McGraw-Hill?1994.

%???MATPOWER
%???$Id:?case4gs.mv?1.4?2010/03/10?18:08:14?ray?Exp?$

%%?MATPOWER?Case?Format?:?Version?2
mpc.version?=?‘2‘;

%%-----??Power?Flow?Data??-----%%
%%?system?MVA?base
mpc.baseMVA?=?100;

%%?bus?data
%	bus_i	type	Pd	Qd	Gs	Bs	area	Vm	Va	baseKV	zone	Vmax	Vmin
mpc.bus?=?[
	1	3	0