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We are the supplier and exporter of low & medium voltage electric equipements: Electric Connectors, Industrial Plugs, XAC Pendent Pushbutton Switches, APP SB Power Connectors ,Contacts,Split Core Transformer, Clamp Transformer, Distribution box, LED Lampes. And crane parts: Electirc Hoist, Terminal Blocks, COB,XAC Pendant Control Stations, Crane Overload Detector, Cut off limit..

S11-M.R Three Phase Enclosed Distribution Transformer with wound

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S11-M.R Three Phase Enclosed Distribution Transformer with wound core

 S11-M.R Three Phase Enclosed Distribution Transformer with wound-core is applicable to 10kV, 6kV transmission and distribution system for distribution, power supply and lighting in industrial, agricultural, mineral and petrochemical fields. Compared with series S9, 30% of no-load loss and 70% of no-load current can be decreased averagely. It is remarkable in saving energy. In addition to, its noise level is in conformity to national environmental protection policy. Therefore, it is regarded as wonderful product both in energy saving and environmental protection.

Service condition:

Normal service condition:

      Elevation height   less than 1000m    
      Environmental temperature 
      Max. temperature +40ºC
      Max. daily average temperature: +30ºC
      Max. annual average temperature +20ºC
      Min. temperature -30ºC
      Operation environment   outdoor
      Symmetry of multi-phase power source

Feature:

      Core is wound by silicon strip with lower loss. Enclosed structure is also called as R-shaped core. Core limb and yoke cross-section is close to a circle. It is impact, lower no-load loss and smaller current. Due to fully enclosed transformer, isolation between oil and air keeps insulation away from moisture, which lowers insulation aging and improves service life. The product is free from untanking before operation and is free from maintenance during operation. Owing to the corrugated plate used for cooling for S11-M.R.series, oil volume is changed by adjustment and compensation through expansion and shrinkage of corrugated plate when the temperature of oil is changed.

Type designation:

Distribution Transformer with wound core

Technical parameter:

S11-M.R Three phase fully enclosed distribution transformer with wound-core:

 Item
 
Capacity
(kVA)
Voltage combination and tapping range
Impedance
voltage
(%)
No-load loss
(W)
No-load current
(%)
On-load
losses
(W)
H.V.
kV
Tapping range
%
L.V.
kV
30
 
 
 
 
 
 
6
6.3
10.5
10
11
 
 
 
 
 
 
 +/-5%
+/-2X2.5%
 
 
 
 
 
 
 
 
0.4
 
 
 
 
 
 
4.0
90
0.60
600
50
120
0.60
870/950
63
140
0.57
1040/1110
80
175
0.54
1250/1360
100
200
0.48
1500/1615
125
235
0.45
1800/1810
160
280
0.42
2200/2380
200
335
0.39
2600/2610
250
390
0.36
3050/3130
315
465
0.33
3650/3750
400
560
0.30
4300/4450
500
670
0.30
5150/5330
630
 
 
4.5
840
0.27
6200/6510
800
1000
0.24
7500/7880
1000
1200
0.24
10300/10830
1250
1400
0.24
12000/12600

Outline dimension:

Item
Capacity
(kVA)
Voltage combination and tapping range
Impedance voltage
(%)
Track Gauge
(mm)
Outline dimension (mm)
LxWxH
(axbxc)
H.V.
kV
Tapping range
%
L.V.
kV
30
 
 
 
 
 
 
66
6.3
10.5
10
11
 
 
 
 
 
 
 
+/-5%
  +/-
 2X2.5%
 
 
 
 
 
 
 
 
0.4
 
 
 
 
 
 
4.0
400
800x600x960
50
940x660x1005
63
980x690x1030
80
1020x705x1040
100
1050x720x1070
125
550
1080x730x1120
160
1160x760x1165
200
1200x790x1180