Transformer Cores
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Transcript of Transformer Cores
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04/14/16 Confidential 1
ArcelorMittal Technotron s.r.o.
2008
Cores of magnetic circuits – transformer cores
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2
Production range
ArcelorMittal Technotron s.r.o.
!ound transformer cores
Toroidal cores
Cut cores
"nicores
#aminations
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A$$lication $ossi%ilities
& Transmission transformers.
& 'nstrument transformer s.
& Measurement transfor mers.
& (oltage transformers.
& Current transformers.
& )u$$l* transformers.
& Po+er transformers.
& #o+ loss a$$lications.
& 'nductors.
& Con,erter.
& )u$$ression technolog*
& -egulating transfor mers.
& Pulse transformers.
& )$ecial transformers.
& -ectangular current transformers.
& Transformers u$ to a$$roimatel* 10 M(A.
& )ingle$hase and tree $hase distri%ution
transformers.
& )ingle$hase and three $hase choes.
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Toroidal Cores
& enefitsenefits
& Closed flu $ath
& #o+ magnetic leaage
& #o+ noisiness of transformers
&Com$act dimensions
& #o+ +eight of transformers
& T*$eT*$e of of Toroidal CoresToroidal Cores
& !ith chamfered edges
& !ith air ga$
& )$ecial sha$es
& !ith $rotecti,e coating
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Cut cores
& Benefits:Benefits:
& 3lectrical energ* sa,ings
& #o+ humming
& )a,ing in uantit* of usedco$$er for +inding
& )a,ing in +or costs eert
for transformers assem%l*
Cut surfaces of there cores can %e round5 o,al and rectangular
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Cut Cores
& Cut C cores single$hase
& According the '7 4109 norm – ):5 )"5 )35
)M
& According to he '3C 29 norm – ;5 -5 M5 "
& According to the ArcelorMittal Technotron
internal norm C
& Cut C cores three$hase
& According to the '7 4109 norm – )"
& According to the '3C 29 norm – "
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Cruciform Cores
& enefits
& 3lectrical energ* sa,ing.
& )a,ing in uantit* of used co$$er for +inding.
& )a,ing in +or costs eert fortransformers assem%l*.
& #o+ humming.
& etter use of coils sco$e.
& 3asier +inding of +ire on acircular coil.
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"nicore
& "7'C
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"ncut "nicore
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uo "nicore
& A$$lication $ossi%ilities& )ingle$hase transformers.
& Three$hase transformers.
& Po+er transformers.
& Current transformers.
& Measuring transformers.
& 'nstrument transformers.
& Transmission transformers
& -egulating transformers.
& T*$es of construction
ArcelorMittal Technotron s.r.o.
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utt "nicore
's a core suita%le for choes> its front surface is su$er$osed thus
ena%ling con,entional C core re$lacement.
A$$lication
single$hase choes
three$hase
ArcelorMittal Technotron s.r.o.
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)te$ utt "nicore
& The air ga$ is designed as ste$s. )te$ %utt "nicores can %e annealed
to reduce loss and mae assem%l* easier.
& enefits
& #o+er core losses than com$ara%le C cores.
& ?igher transformer out$ut.& #o+er transformer +eight.
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Com%i )te$ utt "nicore
elongs to the grou$ of )T3P
"TT "nicore. The ga$s
are on the o$$osite sides of
the core. )o the ga$ is on
e,er* other $acet in the
one leg. Thans to this +e
can achie,e reduction oflosses and noise.
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:AP core
& :AP core
& A$$lication
& #o+ loss a$$lications& Transformers u$ to a$$roimatel* 10 M(A
& enefits
& The lo+est core losses
& ?igher transformer out$ut
& #o+er transformer +eight
& )a,ing in uantit* of used co$$er
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Cruic* form "nicore
& All a%o,e mentioned t*$es of
"7'C
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Manufacturing ca$acities
& Toroidal cores 40 t/month
& Ccores 60 t/month
& "nicores 20 t/month
ArcelorMittal Technotron s.r.o.
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1@
ArcelorMittal Technotron s.r.o.
Křižíkova 1377
FrýdekMístek
73! "1
#$ech re%&'lic
(((.technotron.c$
$v)*technotron.c$
Tel+Fa,: -/" 00! /1 07
ArcelorMittal Technotron s.r.o.
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