Transformer models in EMTP/ATP
Transformer models in EMTP/ATP
Transformer models in EMTP/ATP
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<strong>Transformer</strong> <strong>models</strong> <strong>in</strong> <strong>ATP</strong>Draw<br />
Selection Object name <strong>ATP</strong> card Description<br />
Ideal 1 phase TRAFO_I SOURCE S<strong>in</strong>gle-phase ideal transformer.<br />
type 18<br />
Ideal 3 phase TRAFO_I3 SOURCE<br />
type 18<br />
3-phase ideal transformer.<br />
Saturable<br />
1 phase<br />
TRAFO_S<br />
BRANCH<br />
TRANSFORMER<br />
S<strong>in</strong>gle-phase saturable transformer.<br />
Saturable<br />
3 phase<br />
SATTRAFO<br />
≥v. 4.0<br />
BRANCH<br />
TRANSFORMER<br />
General saturable transformer.<br />
3-phase. 2 or 3 w<strong>in</strong>d<strong>in</strong>gs. All phaseshifts,<br />
zigzag- and Auto-coupl<strong>in</strong>gs. High<br />
and low reluctance <strong>models</strong>.<br />
# Sat. Y/Y<br />
3-leg<br />
TRAYYH_3<br />
BRANCH<br />
TRANSFORMER<br />
THREE PHASE<br />
3-phase saturable transformer. High<br />
homopolar reluct. (3-leg). 3-ph node.<br />
Preprocess<strong>in</strong>g of manufacturer data.<br />
5/ 19<br />
BCTRAN BCTRAN BRANCH<br />
Type 1...9<br />
Hybrid model XFRM BRANCH<br />
Type 1...9<br />
Direct support of Bctran transformer<br />
matrix model<strong>in</strong>g.<br />
Advanced model based on: Design, test<br />
report or typical values. Direct calculation<br />
of the A-matrix. Sophisticated core<br />
model.<br />
11/6/2012<br />
Saturable <strong>Transformer</strong><br />
H1<br />
R1<br />
X1<br />
R2<br />
X2<br />
X1<br />
Rmag<br />
Xmag<br />
H2<br />
X2<br />
H3<br />
X3<br />
H0<br />
Wye - Delta <strong>Transformer</strong>
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