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-rw-r--r--graphics/circuit_macros/examples/EEP.m4112
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diff --git a/graphics/circuit_macros/examples/EEP.m4 b/graphics/circuit_macros/examples/EEP.m4
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+.PS
+# EEP.m4
+cct_init
+include(libSLD.m4)
+
+command "{\sf"
+
+Pic1: [
+ T: dot
+ switch(up_ elen_); {"Public supply" above}
+ Bus1: sl_busbar(right_ 5*dimen_,6,port=D) with .c at T
+ {"{\scriptsize 20$\,$kV}" at Bus1.Start above ljust}
+ S1: switch(from Bus1.P1-(0,elen_) up_ elen_)
+ S2: switch(from Bus1.P2-(0,elen_) up_ elen_)
+ TRF1: sl_transformer(from Bus1.P3 down_ elen_,type=S,,,Delta,Y)
+ arrow down_ dimen_/3
+ TRF2: sl_transformer(from Bus1.P4 down_ elen_,type=S,,,Delta,Y)
+ arrow down_ dimen_/3
+ TRF3: sl_transformer(from Bus1.P5 down_ elen_,type=S,,,Delta,Y)
+ arrow down_ dimen_/3
+ S3: switch(from Bus1.P6-(0,elen_) up_ elen_)
+ Bus2: sl_busbar(right_ 1.5*dimen_,3,port=D) with .c at Bus1.P1+(0,-dimen_*3)
+ {"{\scriptsize 20$\,$kV}" at Bus2.Start above ljust}
+ {"{\scriptsize 1.25$\,$MVA}" at Bus2.P2 below}
+ S4: switch(from Bus2.P2 to S1.start)
+ TRF4: sl_transformer(from Bus2.P1 down_ elen_,type=S,,,Delta,Y)
+ S4: switch(from Bus2.P3+(0,-elen_) to Bus2.P3)
+]
+
+command "\definecolor{cornflowerblue}{rgb}{0.39, 0.58, 0.93}"
+command "\definecolor{goldenrod}{rgb}{0.85, 0.65, 0.13}"
+command "\definecolor{colorA}{rgb}{0.79, 0.59, 0.57}"
+command "\definecolor{colorB}{rgb}{0.2, 0.8, 0.2}"
+command "\definecolor{colorC}{rgb}{0.21, 0.47, 0.86}"
+command "\definecolor{colorD}{rgb}{0.2, 0.6, 0.8}"
+command "\definecolor{colorE}{rgb}{0.2, 0.63, 0.8}"
+command "\definecolor{colorF}{rgb}{0.78, 0.36, 0.3}"
+Pic2: [
+# https://tex.stackexchange.com/questions/597643/draw-a-power-system-network
+ B1: sl_busbar(up_ dimen_*4/3,3)
+ sl_transformer(right_ 2*dimen_ from last [].P2,
+ type=S;body=shaded "lightgray"); variable(,,,dimen_*3/2)
+ B2: sl_busbar(up_ dimen_*4/3,3)
+ { line left_ dimen_/2 from B2.P1
+ C1: capacitor(down_ dimen_/2); ground(,T) }
+ line right_ dimen_/2
+ { line to (Here,C1.start); C2: capacitor(to (Here,C1.end)); ground(,T) }
+ ebox(right_ 3.5*dimen_, 2.5*dimen_, dimen_/5, 0.75)
+ { line to (Here,C1.start); C3: capacitor(to (Here,C1.end)); ground(,T) }
+ line right_ dimen_/2
+ B3: sl_busbar(up_ dimen_*4.5,6)
+ line right_ dimen_*3/4 from B3.P1; box wid dimen_*3 ht dimen_*.6 \
+ shaded "goldenrod" "Static Load"
+ line right_ dimen_*3/4 from B3.P2; box wid dimen_*3 ht dimen_*.6 \
+ shaded "colorA" "Electronic Load"
+ sl_disk(right_ dimen_ from B3.P3,
+ text="A/C";circle=shaded "colorB";diam=dimen_*3/4)
+ sl_disk(right_ dimen_ from B3.P4,
+ text="M";circle=shaded "colorC";diam=dimen_*3/4)
+ sl_disk(right_ dimen_ from B3.P5,
+ text="M";circle=shaded "colorD";diam=dimen_*3/4)
+ sl_disk(right_ dimen_ from B3.P6,
+ text="M";circle=shaded "colorE";diam=dimen_*3/4)
+ sl_disk(left_ dimen_ from 1/2 between B3.P1 and B3.P2,
+ text="\scriptsize DER\_A"; circle=shaded "colorF";diam=dimen_*3/4)
+] with .nw at last [].sw + (100bp__,120bp__)
+
+Pic3: [
+define(`shadedb',shaded "cornflowerblue")
+Loopover_(`LR', # loop to take advantage of symmetry
+ `define(`opposite',`ifelse(LR,left,right,left)')dnl
+ ifelse(LR,left,L,R)`'side: [
+ sl_generator(LR dimen_/2,type=B;name=G1;circle=shadedb,box=shadedb)
+ { move from G1 opposite last circle.rad*3/2 down_ last circle.rad
+ ifelse(LR,left,`Delta',`Wye')symbol(,size=sourcerad_*2/3) }
+ T1: sl_transformer(opposite dimen_*3/2,name=Tx)
+ Bus1: sl_busbar(up_ dimen_*3/2,3,) with .P2 at Here
+ Br1: sl_breaker(from Bus1.P3 opposite elen_,box=shadedb)
+ line opposite dimen_*4/3
+ Br2: sl_breaker(from Bus1.P1 opposite elen_,box=shadedb)
+ Br3: sl_breaker(down_ dimen_,box=shadedb)
+ Bus2: sl_busbar(opposite dimen_,3) with .P2 at Here
+ T2: sl_transformer(down_ dimen_ from Bus2.P2,name=X2)
+ sl_disk(down_ dimen_/2,type=B;text="SM";name=SM1;circle=shadedb,box=shadedb)
+ { move from last circle opposite sourcerad_*3
+ Wyesymbol(,type=G`'ifelse(LR,right,L);size=sourcerad_*2/3) }
+ ]',
+ left,right)
+ "Bus 1" at Lside.Bus1.top above
+ "Bus 2" at Rside.Bus1.top above
+ "Bus 3" at Lside.Bus2.w above
+ "Bus 4" at Rside.Bus2.e above
+ "TL$_1$ 50$\,$km 69$\,$kV" at 1/2 between Lside.Br1 and Rside.Br1 above
+ "TL$_2$ 30$\,$km" ljust "69$\,$kV" ljust at Lside.Br2.end + (-18bp__,12bp__)
+ "TL$_2$ 20$\,$km" ljust "69$\,$kV" ljust at Rside.Br2.end + (-18bp__,12bp__)
+ "G$_1$ 50$\,$MVA" ljust "13.8$\,$kV" ljust at Lside.G1.w+(-25bp__,-32bp__)
+ "G$_2$ 30$\,$MVA" ljust "13.8$\,$kV" ljust at Rside.G1.w+(10bp__,-28bp__)
+ "T$_1$ 50$\,$MVA" "13.8/69$\,$kV $\Delta$/Y" \
+ at Lside.Tx.s+(-2bp__,-25bp__) below
+ "T$_2$ 30$\,$MVA" "69/13.8$\,$kV Y/$\Delta$" \
+ at Rside.Tx.s+(2bp__,-27bp__) below
+ "T$_3$ 50$\,$MVA" rjust "13.8/69$\,$kV Y/$\Delta$" rjust \
+ at Lside.X2.w+(-4bp__,0)
+ "T$_4$ 20$\,$MVA" ljust "69/6.9$\,$kV Y/$\Delta$" ljust \
+ at Rside.X2.e+(4bp__,0)
+ "SM$_1$ 30$\,$MVA" rjust "13.8$\,$kV" rjust at Lside.SM1.w+(-4bp__,0)
+ "SM$_2$ 20$\,$MVA" ljust "6.9$\,$kV" ljust at Rside.SM1.e+( 4bp__,0)
+] with .nw at (Pic1.w,last [].sw + (0,-15bp__))
+
+ command "}%"
+
+.PE