Critics of the Indonesian National Examination, by Irfan Rusmar
Experiment4 by Irfan
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Transcript of Experiment4 by Irfan
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8/19/2019 Experiment4 by Irfan
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Course no: EEE 306 Group no: 03
Course name: Power System 1 Laboratory Section : A2
Experiment No : 04
Name of the Experiment: Short Circuit Study for a Test etwor!
Date of Performanene: 1"#10#1$ Name: %d& 'rfa( )ha(
Date of Submission : 12#12#1$ Id :12060$0
Level- !erm-"
Partners# Id:
12060$1#$*
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$b%ective:
1& To study circuit o+eratio( of a test (etwor!
2& Study of fau,t i(formatio( of a (etwor! by im+,eme(ti(- Cyme Psaf
software
&ault on 'us "
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Slidin( &ault on selected buses:
&ault in L") at *+ location:
&ault in L") at *,+ location:
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&ault in L") at *+ location:
&ault in L". at *+ location:
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&ault in L". at *,+ location:
&ault in L". at *+ location:
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&ault in L/ at *+ location:
&ault in L/ at *,+ location:
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&ault in L/ at *+ location:
&ault in L*/ at *+ location:
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&ault in L*/ at *,+ location:
&ault in L*/ at *+ location:
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Explanation:
.e ha/e +ut em+hasie o( determi(i(- the short circuit curre(t which f,ows
throu-h the tra(smissio( ,i(e& or a defi(ite ,i(e to ,i(e fau,t fau,t curre(t is
ca,cu,ated from the co(ditio( of differe(t ty+es of fau,t&
rom our a(a,ysis of ,i(e to -rou(d fau,t we see that the curre(t i( the
u(affected ,i(es are 0 & '( case of u(symmetrica, fau,te&-& LL L LL fau,t5 we
ca( ta!e ad/a(ta-e of the a(a,ysis of symmetrica, com+o(e(t &
0atin(s of Circuit brea1ers:
Circuit brea!ers are +rotecti/e de/ices which iso,ates the fau,ty +art of the
system from rest of the system a(d +rotects the e,ectrica, de/ices from tota,
dama-es duri(- short circuit co(ditio(& The rati(- of the circuit brea!er shou,d be
matched with mi(imum amou(t of fau,t curre(t which is su++osed to f,ow throu-h
the fau,ty ,i(es&
.e shou,d co(sider fo,,owi(- thi(-s whi,e se,ecti(- a circuit brea!er
1&Tota, curre(t which causes the brea!er to i(terru+t the circuit&
2&The maimum curre(t which the brea!er must carry away without disco((ecti(-
circuit&
Discussion:
1& The first ri(- co(tributio( are fau,t curre(ts from ,i(!s ad7ace(t to the
fau,ted bus&
2& 8ati(- of circuit brea!er is im+orta(t as it wi,, ha/e to +rotect the
e,ectrica, de/ice duri(- short circuit co(ditio( or o/erf,ow of curre(t&
3& rom the +,ot of fau,t ,ocatio( /s& fau,t curre(t circuit brea!er rati(- ca(
be chose( & The ,owest curre(t of the fau,t after co(sideri(- a,, fau,t is the
rati(- of the circuit brea!er for a -i/e( tra(smissio( ,i(e&
4& Symmetrica, fau,ts are rare,y occurred i( com+ariso( of u(symmetrica,
fau,t
5. au,t curre(t co(sists of si(usoida, or AC com+o(e(t a(d (o( si(usoida,
com+o(e(t& o( si(usoida, com+o(e(t decays e+o(e(tia,,y with a time
co(sta(t of L98&