格林思科实业有限公司
电力变压器
电力变压器主要应用于发电厂,变电站,石油化工,等工业电站。

Introduction

Powerspace (our trademark No.17804517) series of transformer is made with high quality grain-oriented cold rolled silicon steel of high magnetic conductivity, and 45 degree all learning stepping points. With special square tube and draw plate are used, the core column is fixed by the insulated tape. 
Its surface is covered with special resin in order to avoid moisture and rust, which can reduce no-load current and noise of the iron core.
High voltage coil is made with Grade F insulation cooper wire, reinforce with long or short glass fiber felt as stuffing and being cast with expoxy resin at vacuum state which can restrain the partial discharge effectively not to exceed 5PC
The low voltage winding is made in the foil type by the automatic foil winding machine, the internal welding is conducted on the winding machine with argon protection which is characterized by high precision and small welding resistance without eternal welding points.
Laminated foil with epoxy resin are used for layer insulation, the device are enclosed with resin at its both ends and them put it in the curing furnace to make it strong
Transformer can be with IP20 or IP55 protection casing for indoor or outdoor application. And also can be with perfect temperature protection and control device.
Specification

Rated power
High voltage
Low voltage
Vector group
No load loss
Load loss
Short circuit impedance
Weight
Size W/O cabinet
Center distance
Size with cabinet

kva
kv
kv
kw
kw
%
kgs
L
W
H
mm
L
W
H

30

6,6.3,6.6,10,10.5,11

+-5%/2*2.5%

0.4kv

Yyn0

Dyn11

0.18
0.65
4
350
850
670
730
400*600
1520
1100
1445

50
0.25
0.93
500
930
720
780
550*650

80
0.33
1.28
560
995
720
890
100
0.36
1.48
600
1020
740
910
550*670
125
0.42
1.73
720
1045
740
920
160
0.49
2.03
830
1070
740
1000
200
0.58
2.35
940
1015
750
980
660*680

250
0.66
2.68
1120
1075
750
1025
1600
1200
1550
315
0.78
3.22
1350
1135
890
1055
660*820
1700
1200
1660

400
0.89
3.8
1550
1265
890
1125
500
1.04
4.51
1780
1360
890
1360
670*820
1700
1260
1760

630
1.2
5.36
2100
1400
890
1515
820*820
1700
1260
1920


800
1.37
6.44
6
2450
1630
890
1350
1800
1260
1920
1000
1.56
7.62
2970
1720
890
1470
1900
1260
1920
1250
1.81
9.07
3460
1760
990
1620
820*920
2000
1260
1920
1600
2.4
11.15
4050
1790
1440
1640
820*1070
2100
1260
1920
2000
2.7
13.36
4780
1850
1440
1830
1070*1070
2200
1300
2160

2500
3.15
16.08
6060
2015
1440
1855
2260
1300
2020

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