6.1.1. Diav g nwsh
H endeiktikhv lucniv a S anav b ei ov t an epalhqeuv o ntai oi
akov l ouqe" katastav s ei":
ENDEIK-
KATASTASH
TIKH
LUCNIA
S
Staqerov
Katav to av n amma th"
fw"
suskeuhv "
Staqerov
Piesmev n o plhv k tro katav to
fw"
av n amma th" suskeuhv "
Staqerov
Elleiyh th" prostasiv a "
asfav l eia" R
fw"
Staqerov
Lanqasmev n h tav s h dieuv q un-
fw"
sh" twn IGBT
Staqerov
Epafhv tou reed kleisthv
fw"
katav to av n amma th"
suskeuhv "
Staqerov
Tav s h trofodosiv a " poluv
fw"
camhlhv
Staqerov
Elleiyh mia" fav s h" sth
fw"
grammhv trofodosiv a "
Anabosbh-
Bracukuv k lwma anav m esa sto
nov m eno
hlektrov d io kai sto mpek
fw"
katav to av n amma th"
suskeuhv " hv katav thn kophv
6.2 SUNTHRHSH TSIMPIDAS
Me anaforav sthn Eik. 7-8, ta tmhv m ata pou upov k eintai
se fqorav eiv n ai to hlektrov d io A, o dianomev a " B kai to
stov m io C kai prev p ei na antikaqistouv n tai afouv xebidw-
qeiv h bav s h D.
A
B
C
D
LUSH
Anamev n ete 5 lepta
Afhv s te eleuv q ero to plhv k -
tro
Topoqethv s te thn prostasi-
v a
Epikoinwnhv s te me to sev r -
bi"
Epikoinwnhv s te me to sev r -
bi"
Elev g xte thn tav s h trofodo-
siv a "
Elev g xte th grammhv trofo-
dosiv a ".
Shmeiv w sh: se merikev "
periptwv s ei" h ev l leiyh
mia" fav s h" den prokaleiv
to av n amma th" lucniv a " S,
gia autov se periv p twsh mh
leitourgiv a " elev g xte opw-
sdhv p ote ti" fav s ei" th"
grammhv " trofodosiv a "
Antikatasthv s te to hlektrov -
dio kai to mpek kai, ende-
comev n w", kai to dianomev a
Eik. 7
A
B
C
D
To hlektrov d io A prev p ei na antikatastaqeiv ov t an parou-
siav z ei ev n an krathv r a sto kev n tro baquv periv p ou 1,5 mm.
PROSOCH: gia na xebidwv s ete to hlektrov d io mhn askhv -
sete apov t ome" dunav m ei" allav efarmov s te stadiakav mia
duv n amh mev c ri na prokalev s ete to xemplokav r isma tou
filev t ou. To nev o hlektrov d io prev p ei na bidwqeiv sthn ev d ra
kai na mplokaristeiv div c w" na sfiv x ete mev c ri to tev l o".
To stov m io
C prev p ei na antikatastaqeiv ov t an parou-
siav z ei thn kentrikhv truv p a calasmev n h hv anoigmev n h se
scev s h me ekeiv n h tou nev o u antallaktikouv . Mia kaqu-
sterhmev n h antikatav s tash tou hlektrodiv o u hv tou sto-
miv o u prokaleiv uperbolikhv qev r mansh twn tmhmav t wn, tev -
toia pou na diakubeuv e i th diav r keia tou dianomev a B.
Bebaiwqeiv t e ov t i metav thn antikatav s tash h bav s h D eiv -
nai eparkwv " sfigmev n h.
PROSOCH: bidwv s te th bav s h D sto laimov th" tsimpiv -
da" mov n o me egkatesthmev n a to hlektrov d io A, to dia-
nomev a B kai to stov m io C.
H ev l leiyh autwv n twn tmhmav t wn diakubeuv e i th leitour-
giv a th" egkatav s tash" kai eidikav thn asfav l eia tou cei-
risthv .
6.3 METRA POU PREPEI NA LHFTOUN META APO
ENERGEIES EPISKEUHS
Metav apov thn ektev l esh th" episkeuhv " prev p ei na tak-
topoihv s ete pav l i to kamplav r isma wv s te na upav r cei
asfalhv " mov n wsh anav m esa sthn prwteuv o usa kai sth deu-
tereuv o usa pleurav th" mhcanhv " . Elev g xte ov t i ta nhv m a-
ta den mporouv n na ev r qoun s v epafhv me tmhv m ata pou
kinouv n tai hv qermaiv n ontai katav th leitourgiv a . Xanato-
poqethv s te ov l e" ti" tainiv e " ov p w" sthn arcikhv egkatav -
stash wv s te, an parempiptov n tw" spav s ei hv aposundeqeiv
ev n a" agwgov " , na apofeucqeiv h suv n desh anav m esa sthn
prwteuv o usa kai sth deutereuv o usa pleurav . Xanatoqethv -
ste epiv s h" ti" biv d e" me ti" odontwtev " rodev l e" ov p w"
sthn arcikhv egkatav s tash.
Eik. 8
65