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three-phase transformer
from 16kVA to 250kVA 6kV 10kV

three-phase transformers with cooling channels
three-phase power dry transformers
three-phase isolation transformer
cast restin transformer

datasheet as PDF-File

dr_25_groß

dr_25

Dreiphasentransformator, Großtransformator

Class H impregnation

applications

transformer according to EN 60076 VDE 0532 to transform 6kV or 10kV to 0,4kV in
vector group Dyn 11

description

Three-phase transformer, built as an isolation transformer according to EN 60076 IEC 726, prepared for safety class I. It is possible to build each transformer in this family in each vector group. Is no vector group mentioned, we use group Dyn11. (star point can have full load from outside conductor).
Please have a look at the difference between outside conductor voltage (voltage phase to phase) and voltage phase to star point at the different vector groups. The mounting must be done in a way, that a convection through the cooling channels is possible.
For safe and easy transportation, the transformers have crane hooks at the upper side. Tauscher cast resin transformers need less space than comparable oiltransformers. The transformers don’t need any maintenance, they are barely combustible and selfextinguishing. The isolation of the windings is made of environment-friendly polyurethan- or epoxid casting resin.

table

type size

sec.-
power
[kVA]

efficiency

iron
losses
[Watt]

copper
losses
[Watt]

dimensions in mm

copper
weight
[kg]

total
weight
[kg]

b

l

l1

h

h1

U1

U2

f3

EI350/350/103

16

96,2%

169

444

420

220

475

463

483

400

316

12

21

95

EI400/400/83

25

97,1%

175

553

490

210

475

518

538

400

356

15

54

126

EI500/500/100

40

97,4%

322

724

600

222

500

637

657

400

450

18

64

206

EI500/500/125

50

97,8%

401

690

600

232

620

637

667

520

450

18

81

260

EI500/500/150

63

98,0%

483

750

600

282

620

637

667

520

450

18

102

316

EI500/500/200

100

98,2%

643

1191

600

322

645

628

648

520

450

18

130

405

EI600/600/150

125

98,1%

685

1719

720

280

645

738

758

520

600

18

164

462

EI600/600/200

160

98,3%

912

1709

720

330

645

738

758

520

600

18

190

587

EI700/700/200

200

98,4%

1230

1869

840

470

670

944

994

520

600

18

233

778

EI700/700/250

250

98,6%

1540

1946

840

520

670

944

994

520

600

18

306

967

technical changes and optimization reserved

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