[ W: winding ]
s_box(\tt w{}inding) at last [].s below
[ winding(R) ] with .n at last "".s+(0,-0.1)
s_box(\tt w{}inding(R)) at last [].s below
[ sk = 0.75
d = 1.5*sk
p = 0.4*sk
w = 1*sk
W: winding(L,d,p,4,w,vlight)
thinlines_
dimension_(from W.nw+(p/4,0) right p,0.1,s_box(\tt pitch\strut) above,W)
dimension_(from W.sw to W.nw,0.2,s_box(\tt diam),H)
dimension_(from W.e+(-p/2,-w/2) up w,-0.3,,s_ht)
s_box(\tt\hfill core wid) at W.e ljust
arrow <- up d-w+0.1 left d/10 from W.ne+(-p/2,-(d-w))
s_box(\tt core color) at Here+(-0.2,0) ljust above
thicklines_
] with .sw at last [].se+(0.25,0)
"\tt T1" at last [].W.T1 below
"\tt T2" at last [].W.T2 below
[
#`winding(L|R, diam, pitch, nturns, core wid, core color )'
boxwid = 0.3
boxht = 0.4
down_
B1: box
winding(,boxwid*1.3,boxht/5,3,boxwid) at B1
"Left pins" "cw" at B1.s+(0,-0.15)
for_(1,2,1,`"\sl\small T`'m4x" at last [].T`'m4x rjust')
B2: box at B1.e + (0.5,0)
winding(R,boxwid*1.3,boxht/5,3,boxwid) at B2
"Left pins" "ccw" at B2.s+(0,-0.15)
for_(1,2,1,`"\sl\small T`'m4x" at last [].T`'m4x rjust')
up_
B3: box at B1.s + (0,-0.55)
winding(,boxwid*1.3,boxht/5,3,boxwid) at B3
"Right pins" "cw" at B3.s+(0,-0.15)
for_(1,2,1,`"\sl\small T`'m4x" at last [].T`'m4x ljust')
B4: box at (B2,B3)
winding(R,boxwid*1.3,boxht/5,3,boxwid) at B4
"Right pins" "ccw" at B4.s+(0,-0.15)
for_(1,2,1,`"\sl\small T`'m4x" at last [].T`'m4x ljust')
] with .sw at last [].se+(0.1,0)
line thick ironwid/(1bp__)+linethick from Q.n+(g/2-linethick/2 bp__,0) \
to Q.ne then to Q.se then to Q.sw then to Q.nw \
then to Q.n+(-g/2+linethick/2 bp__,0)
ifmpost(`rgbdraw(0.7,0.7,0.7,')
line thick ironwid/(1bp__)-linethick outlined lightgray \
from Q.n+(g/2+linethick/2 bp__,0) \
to Q.ne then to Q.se then to Q.sw then to Q.nw \
then to Q.n+(-g/2-linethick/2 bp__,0)
ifmpost(`)')
thinlines_
dimension_(from Q.n+(-g/2,-ironwid/2) right g,-ironwid/4,
"$g$" below,1,2pt__)
thicklines_
down_
P: winding(R,ironwid*5/4,ironwid/2,4,ironwid,lightgray) at Q.w
line left ironwid*2/3 from P.T1
arrow right to P.T1 "$i_1$" above
line left ironwid*2/3 from P.T2
gap(up_ to 2nd last line.end)
llabel(-,s_box($v_1$),+)
"$N_1$" at P.e ljust
up_
S: winding(L,ironwid*5/4,ironwid/2,4,ironwid,lightgray) at Q.e
line right ironwid*2/3 from S.T2
arrow left to S.T2 "$i_2$" above
line right ironwid*2/3 from S.T1
gap(up_ to 2nd last line.end)
rlabel(-,s_box($v_2$),+)
"$N_2$" at S.w rjust
box dashed rad ironwid/4 wid Q.wid ht Q.ht at Q
arrow right arrowht from 0.5 between Q.n and Q.ne
"$\phi$" ljust at Here+(0,5pt__)
move up ironwid/2 from Q.n
move down ironwid/2 from Q.s
] with .sw at last [].se+(0.15,0)
