How to add generators to different buses in MATPOWER and see the PF results?

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Iman
Iman 2011-11-17
评论： VIKASH KUMAR VERMA 2023-5-20
I have a quick question about MATPOWER.
From MATPOWER documentation we know if we want to load the 30-bus system data from case30.m, increase its real power demand at bus 2 to 30 MW, then run an AC optimal power flow with default options, this could be accomplished as follows:
>> define_constants;
>> mpc = loadcase('case30');
>> mpc.bus(2, PD) = 30;
>> runopf(mpc);
Now I have a generator and I want to connect it to bus n each time and see how the result of power flow would change.To begin with I add a 10MW generator to bus 7 and run pf for 14 bus system so I write:
>> define_constants;
>> mpc = loadcase('case14');
>> mpc.gen (7, PG) = 10; //add 10MW to bus 7
>>mpc.bus (7, BUS_TYPE) = 2; // changes the type of bus 7 to PV
>> runpf(mpc);
but I recieve this error:
??? Subscript indices must either be real positive integers or logicals.
Error in ==> ext2int at 230
gs = ( mpc.gen(:, GEN_STATUS) > 0 & ... %%gen status
Error in ==> runpf at 131
mpc = ext2int(mpc);
Do u know what is wrong with my code?
Thanks
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Basti
Basti 2017-5-2
编辑：Basti 2017-5-2
Mokryani? :D You have define at which bus you want the new generator. At the moment it is bus 0.
define_constants;
mpc = loadcase('case30');
mpc.gen (7, PG) = 50;
mpc.gen (7, GEN_BUS) = 7;
mpc.bus (14, BUS_TYPE) = 2;
runpf(mpc);
VIKASH KUMAR VERMA
VIKASH KUMAR VERMA 2023-5-20
What would be the code if I want to connect connect 4 generators at bus 18, 22, 25 and 33 in sequential order for 24 hours load profile.

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回答（1 个）

Md. Jillur Rahman
Md. Jillur Rahman 2019-12-14
编辑：Md. Jillur Rahman 2019-12-14
Since there is only 5 generators in this system this program below will run smoothly but if you want to add a geneator at bus 7 you have to manually change the m file by adding corresponding data in mpc.gen section.
define_constants;
mpc = loadcase('case14');
mpc.gen (4, PG) = 10;
mpc.bus (6, BUS_TYPE) = 2;
runpf(mpc);

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