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Programme of wound cores

Energy sectorElectrotechnical

componentsEfficient

installations Traffic Telecommunications Facility management Services

Programme of wound cores

M103-27P, thickness 0.27 mm;

M089-27N, thickness 0.27 mm;

27JGSD090, thickness 0.27 mm;

23JGSD080, thickness 0.23 mm;

Trafoperm N2, thickness 0.1 mm.

Strip width: 10, 15, 16, 18, 19, 20, 21, 22, 25, 30, 32, 40, 42, 44, 50, 54, 55, 65, 70, 90, 105 mm

Wound cores are winded of different GOESS:

Frequency: 50, 60, 400, 1.000 Hz

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Materials designation overview

Abreviations DIN46400 Old designation

New designation

EN10107Power loss Thickness,

mm

Power loss at

1,5 T

Power loss at

1,7 T

M0 - 27M0H M103-27P low 0,27 - 1,03

M0 - 30M0H M105-30P low 0,3 - 1,05

M1 VM111-30P 30M1H M111-30P low 0,3 - 1,11

M2 VM117-30P 30M2H M117-30P low 0,3 -- 1,17

- - - M120-23S lower 0,23 0,77 1,2

M3 VM130-27S 27M3 M130-27S lower 0,27 0,85 1,3

M3 - 23M3 M080-23N normal 0,23 0,8 1,27

M4 VM89-27N 27M4 M089-27N normal 0,27 0,89 1,4

M5 VM97-30N 30M5 M097-30N normal 0,3 0,97 1,5

M6 VM111-35N 35M6 M111-35N normal 0,35 1,11 1,65

- VM140-30S - M140-30S lower 0,3 0,92 1,4

M7 - 30M7 M175-50N normal 0,5 1,75 -

- - GT100 - - 0,1 1,1 -

27JGSD090 M90-27P low 0,27 0,90

23JGSD080 M80-27P Very low 0,23 0,80

Designation of GOESS materials

4

BH Curves

Magnetisation of feromagnetic substances Magnetisation curves of some materials

Electromagnetic curves

5

Electromagnetic properties

Relative permeabilits is depend of temperature and frequency

Hysteresis loop of feromagnetic material

Permeability and Hysteresis loop

Applicaiions

Insulating transformers up to 13kVA Auto transformers Variable auto transformers Audio transformers Toroidal transformers

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Standard cores: Customer made cores:

Instrument transformers (Voltage and Current transformers)

SMPS transformers (welding devices etc.)

Special gapped cores Chokes

Beside wound cores made of different electrical steel, we can offer also:

Coilformers Clamps Holders Rubberwasher for toroidal transformers and choke Tinned round plate for toroidal transformers and chokes

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Cores overview

Toroidal cores for CT

Toroidal and E cores Ovalcores

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Cores overview

Rectangular cut cores for CT

Toroidal cut cores and housing for CT

C cores Rectangular and toroidal cut cores

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Drawing, Insulations and Test points

Drawing of rectangular cut core for CT Test points for MDK 1000A

Bmax. (T) Heff (A/m)

0,1 ≤ 7,5

0,9 ≤ 45

1,6 ≤ 76

Insulations:: Mylar foil, width 5 or 10 mm, d=50µm Resicoat, UL, epoxy, d ~ 500 µm Epoxy color, rost protection Housing

Data overview

Catalogues

Most of our cores are made according to customer design

Catalogue for standard wound cores is available on our web site in PDF form

Contacts

Thank you!

Iskra, d.d.

Headquarters:Stegne 21SI-1000 LjubljanaSlovenia

Phone: +386 1 513 10 00Fax: +386 1 511 15 32

E-mail: iskra@iskra.euwww.iskra.eu