micropower electrostatic generator meg
TRANSCRIPT
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MICROPOWER ELECTROSTATIC GENERATOR MEG
Nowadays, micro power generators tat ar!est !i"ration
energy and can "ecome power so#rces $or wire%ess sensors and
porta"%e app%ications are drawing m#c attention &'()*+ Tere
are tree common mecanisms pie-oe%ectric, e%ectromagnetic,
and e%ectrostatic, eac o$ wic as !ario#s e.amp%es reported
in %iterat#re+ Te pro"%em tat eac approac m#st address is
tat %ow $re/#ency !i"ration s#c as #man motion is on%y
s#0cient to generate an e.treme%y %ow o#tp#t o$ power+ To
o!ercome tis di0c#%t ca%%enge, we de!e%oped a new
e%ectrostatic micro power generator tat '1 can ena"%e "ot
separation gap contro% and %ong(range mo!ement at %ow
$re/#ency, and 21 can increase te n#m"er o$ times power
generation 3e%ectrostatic ind#ction1 is done+ To acie!e tese
we de!e%oped te $o%%owing tecno%ogies '1 a micro power
generator consisting o$ micro"a%% "earings to ro%% wit te
separation gap contro% and to 4rm%y 5eep te separation gap
3Microact#ator #sing micro"a%% "earing as "een reported &6*1,
and 21 a new e%ectret str#ct#re to accommodate
miniat#ri-ation+
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Magno.
Magnoxis a now(o"so%ete type o$ n#c%ear power reactor,
wic was designed in te 7nited 8ingdom and was e.ported to
oter co#ntries, "ot as a power p%ant and, wen operated
according%y, as a prod#cer o$ p%#toni#m$or n#c%ear weapons+
Te name magnoxcomes $rom te magnesi#m(
a%#mini#ma%%oy#sed to c%ad te $#e% rods inside te reactor+
Magno. reactors are press#rised, car"on
dio.idecoo%ed, grapite moderatedreactors #sing nat#ra%
#rani#m3i+e+, #nenriced1 as $#e% and magno. a%%oy as $#e%
c%adding+ 9oron(stee% contro% rods were #sed+ Te design was
contin#o#s%y re4ned, and !ery $ew #nits are identica%+ Ear%y
reactors a!e stee% press#re !esse%s, wi%e %ater #nits
3O%d"#ryand Wy%$a1 are o$ prestressed concrete: some are
cy%indrica% in design, "#t most are sperica%+ Wor5ing press#re
!aries $rom ;+< to '
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9IOMASS 7ELEB POWER PLANT
A new generation o$ sma%% sca%e 3%ess tan 2 MWe1 "iomass
$#e%ed, power p%ants are "eing de!e%oped "ased on a gas
t#r"ine 39rayton cyc%e1 prime mo!er+ Tese power p%ants are
e.pected to increase te e0ciency and %ower te cost o$
generating power $rom $#e%s s#c as wood+ Te new power
p%ants are a%so e.pected to economica%%y #ti%i-e ann#a% p%ant
growt materia%s 3s#c as rice #%%s, cotton gin tras, n#t se%%s,
and !ario#s straws, grasses, and anima% man#res1 tat are not
norma%%y considered as $#e% $or power p%ants+
Tis paper s#mmari-es te new power generation concept wit
empasis on te engineering ca%%enges presented "y te gas
t#r"ine component+ Te maDor reasons $or consideration o$ te
"iomass power option are 3'1 disposa% o$ "iomass resid#es
com"ined wit te prod#ction o$ e%ectricity and eat, 321 power
prod#ction $rom a"#ndant indigeno#s "iomass reso#rces, 3)1
power $or remote %ocations ric in "iomass reso#rces, and 361 it
is a renewa"%e energy option+ Tis option as "een cosen $or
many app%ications+ In te 7+S+ tere is an estimated ; MWe
o$ wood("ased generating capacity tat is dispatca"%e 3Neos
Corporation, '