Lucniv a AO Start
Ruqmiv z ei
to
epiv p edo
beltistopoiouv n tai ta empureuv m ata se TIG AC gia
kav q e diav m etro hlektrodiv o u. Sto av n amma auth" th" luc-
niv a " h oqov n h U qa emfaniv s ei mia ariqmhtikhv timhv pou
kav n ei anaforav sti" diamev t rou" hlektrodiv o u, o ceiristh"
mev s w th" labh" Y mporeiv na prosdioriv s ei th diav m etro
pou crhsimopoieiv kai na exasfaliv s ei amev s w" ev n a kalov
xekiv n hma. Ruv q mish apov 0,5 w" 4,8.
Lucniv a AY Wave
Epiloghv morfhv " kuv m ato" sugkov l lhsh".
Sto av n amma authv " th" lucniv a " h oqov n h U qa
emfaniv s ei ev n an ariqmov pou qa antistoiceiv sth morfhv
epilegmev n ou kuv m ato" (blev p e piv n aka)
11 = tetrav g wnh - tetrav g wnh
22 = hmitonoeidh" - hmitoneidh"
33 = triv g wno - triv g wno
12 = tetrav g wnh - hmitonoeidhv "
13 = tetrav g wnh - triv g wno
23 = hmitonoeidh" - triv g wno
21 = hmitonoeidh" - tetrav g wnh
32 = triv g wno - hmitonoeidh"
31 = triv g wno - tetrav g wnh.
Default = tetrav g wnh - hmitonoeidhv " (12).
Auto" o sunduasmov " ariqmwv n mporeiv na tropopoihqeiv me
to enkov n ter Y.
SHMEIWSH: To prwv t o yhfeiv o pou schmativ z ei ton ariq-
mov anafev r etai sto arnhtikov hmikuv m a hv dieiv s dush", to
deuv t ero yhfeiv o anafev r etai sto qetikov hmikuv m a hv
kaqarismouv .
H metabolhv tou tuv p ou morfhv ‰ kuv m ato‰ mporeiv kai na
elattwv s ei to qov r ubo tou tov x ou sth sugkov l lhsh AC.
Lucniv a AN Hz
Ruqmiv z ei th sucnov t hta enallassov m enou reuv m ato".
Ruv q mish 50 ÷ 100 Hz.
Lucniv a AM Ruv q mish th" isostav q mish" tou kuv m a-
to".
Ruqmiv z ei to posostov epiv toi" ekatov tou arn-
htikouv hmikuv m ato" (dieiv s dush) sthn periv o do enallassov -
menou reuv m ato".
Ruv q mish -10 / 0 / 10 ov p ou 0 = 65% (sumbouleuov m enh) -10 =
50% kai 10 = 85%.
< 48V
AC
Lucniv a T:
Lucniv a ev n deixh" th" swsth" leitourgiv a " tou susthv m a-
to" pou elattwv n ei ton kiv n duno hlektroplhxiwv n .
Plhv k tro H:
Piev z onta" to suv n toma, energeiv th sunergiv a ov p ou
problev p etai kai epilev g ei ti" lucniv e " I, L, M, S,
R ("suv n toma" ev c ei thn ev n noia crov n ou katwv t erou apov 0,7
sec). An, afouv epilev x ate ti" paramev t rou", den epibebai-
wv n etai h diav m etro" hlektrodiv o u, h suv n tomh piv e sh autouv
tou
plhv k trou
qa
prokalev s ei
sunergiv a .
An ov m w", afouv epibebaiwv s ete th diav m etro hlektrodiv o u,
qev l ete na bgeiv t e apov th sunergiv a , prev p ei na
gia makruv cronikov diasthma (gia "makruv " ennoieiv t ai
ev n a" crov n o" anwv t ero" apov 0,7 sec).
118
tou "hot-start" gia
na
thn
ev x odo
apov
th
piev s ete
1G
PA
1F
2F
PA
PB
45°
Mat.
Lucniv a L: ULikov
Ta eiv d h ulikwv n pou mporouv n na epilecqouv n scetiv z ontai
me th diadikasiv a sugkov l lhsh" kai eiv n ai:
Se TIG AC to aloumiv n io (AL), to magnhv s io (MG).
Se TIG DC o anoxeiv d wto" cav l uba" (SS), o calkov " (Cu),
o siv d hro" (FE) kai to titav n io (ti).
Pos.
Lucniv a M: Qev s h sugkov l lhsh"
Ta mhnhv m ata pou emfaniv z ontai sth oqov n h U scetiv z on-
tai me tou" kanonismouv " ISO 6947 kai antistoicouv n sti"
qev s ei" sugkov l lhsh" pou anagrav f ontai sthn eikov n a.
Oi ASME diacwriv z ontai apov ev n an ariqmov sun ev n a grav m -
ma. Gia megaluv t erh safhv n eia anagrav f ontai sumbolikav
sth sunev c eia.
Lucniv a S: Pav c o".
H oqov n h O anav b ei kai emfaniv z ei to prosdiorismev n o reuv -
ma, h oqov n h U emfaniv z ei to pav c o" pou scetiv z etai
to kuv m a. Peristrev f onta" th labhv Y metabav l letai to
pav c o" kai, se scev s h me autov , qa metablhqeiv kai to
reuv m a.
Fusikav to mev g eqo" tou pav c ou" kai tou scetikouv reuv -
mato" qa scetiv z ontai me ti" ruqmiv s ei" tou ulikouv kai
th" qev s h" sugkov l lhsh".
Ø El.
Lucniv a R: Diav m etro" hlektrodiv o u.
H emfav n ish th" diamev t rou hlektrodiv o u eiv n ai h sunev p eia
th" ruv q mish" tou ulikouv . (lucniv a L), th" qev s h" (lucniv a
M) kai tou pav c ou" (lucniv a S).
H oqov n h U qa emfaniv s ei to endedeigmev n o hlektrov d io se
mh anabosbhnov m eno trov p o. O ceiristh" mev s w th" labh"
Y mporeiv na emfaniv s ei kai av l le" diamev t rou" allav
autev " qa emfanistouv n se trov p o anabosbhnov m eno, pou
shmaiv n ei mh endedeigmev n o.
BC - Sundesmo" 10 pov l wn
Se autov n sundev o ntai oi apomakrusmev n oi
ceirismoiv pou perigrav f ontai sthn parav -
grafo 4.
Diativ q etai anav m esa sta pin 3 kai 6 mia
kaqarhv epafhv pou epishmaiv n ei to empu-
v r euma tou tov x ou (Max 0,5 A - 125 VAC / 0,3 A - 110 VDC
/ 1A - 30 VDC).
3.3. GENIKES PLHROFORIES
Prin th crhv s h autouv tou sugkollhthv diabav s te prosek-
tikav
tou"
kanonismou"
Elev g xte epiv s h" thn akeraiov t hta th" mov n wsh" twn
kalwdiv w n, twn labiv d wn hlektrodiv w n, twn prizwv n kai twn
akiv d wn kaqw" kai ov t i h diav m etro" kai to mhv k o" twn
3G
2G
PF
PC
PG
3F
PF
PG
CEI 26-23 / IEC-TS 62081.
4G
PE
4F
PD
me