Minera - Oil immersed Transformer StandardThese transformers comply with standards:• EN 50464-1• EN 60076-1 to 10Schneider Electric guarantees that its transformers are assembled using new, PCB-free components.
DescriptionMineral oil-immersed, 50 Hz, three-phase distribution transformers with the following characteristics:• Hermeticallysealedwithintegralfilling• Cover bolted to the tank• ONAN-type natural cooling• Indoor / outdoor use
(dependingonselectedfittingsandoptions)• Anti-corrosion surface treatment : corrositivity
category class C3, “Medium” durability (accordingtoISO12944-2)
• Final colour RAL 7033• ProtectionindexIP00(coverlessversion)
Dielectric liquid• Firstrefiningmineraloil• Tested in accordance with IEC 60296• Compatible with all the transformer’s components
Standard fitting• One 3 or 5 positions off-circuit tap changer
on the cover, with padlocking facility• 3HVplug-inbushings(400A/36kV)onthecover• 4LVflat-bars(from250kVA)• 4LVporcelainbushings(from50to160kVA)
• 4bi-directionalflatrollers• 2 lifting and untanking lugs• 2 pulling eyes on the frame• 2earthingterminalsonthecover(M12studs)• 1fillingplug• 1 draining device according to EN 50216-4
or DIN 42551 • 1 aluminium rating plate
Options• Protection relays (DMCR® or DGPT2®)
onthefillingplug• 1 free, thermometer pocket• Control device in the thermometer pocket
(pointer thermometer with 0 or 2 contacts max, 2-contactthermostat,etc.)
• 3 HV porcelain bushings (250A)• 4LVporcelainbushings(from250kVA)• LV, cable box IP21 or IP54
(onlywithplug-inbushingsontheHVside)• Locking device for plug-in bushings
(withorwithoutlock)• 3 mobile connectors for plug-in bushings – straight
orelbow(cablecharacteristicsmustbespecified)• Liquid retention bund
The above options concern usual cases and are not restrictive. For other information,please consult us.
Minera Up to 2500 kVA, insulation ≤ 36 kV, losses
PM
1023
08
SM
1001
10
SM
1001
11
No-load losses performanceAccording to EN 50464-1
0
C036
B036
A036
Standard efficiency
Optimum efficiency
C036
Oil Distribution Transformers
C036 Ck36
Load losses performanceAccording to EN 50464-1
0
Ck36
Bk36
Ak36
Standard efficiency
Optimum efficiency
Ck36
Electrical characteristics
Power (kVA) 50 100 160 250 315 400 500 630 800 1000 1250 1600 2000 2500
Primary voltageSecondary voltage
30kV400 to 433V between phases, 231 to 250V phase to neutral (at no load)
HV insulation level 36kV
HV tapping range ± 2.5 % and/or ± 5 %
Vector group Yzn 5 / Yzn 11 (50kVA version only) - Dyn 5 / Dyn 11
No-load losses (w)
Load losses (w) 2301450
3802350
5203350
7804250
9505150
11206200
13007200
14508800
170010500
200013000
240016000
280019200
340024000
410029400
Impedance voltage (%) 4.5 4.5 4.5 4.5 4.5 4.5 4.5 6 6 6 6 6 6 6
Acoustic Level dB(A):
- power LWA
- pressure LPA (1m)
5244
5648
5950
6253
6353
6555
6656
6756
6857
6857
7059
7159
7361
7663
Minera Oil Distribution Transformers
Rated power (kVA) 50 100 160 250 315 400 500 630 800 1000 1250 1600 2000 2500
Dimensions -A (mm) -B -C -D -F -H -J -K
850800900118026580520105
900800900118026580520105
10508201000128026575520105
130088010201360265150520105
132085011301470265150670105
150090011501490265150670105
150095012501590265150670105
1550100012701610265150670105
1770115014001740265150670105
185011501450179026515067085
185011501450185526517082085
203012501500190526517082085
220012701550205526517082085
245013301750225026517082085
Weight -Oil (kg) -Total
130450
160570
220750
300980
3601180
3901350
4401520
4901750
5802100
6802500
8002900
9003450
10804200
13005300
Rated current (A)
LV flat-bars On request 1250 1250 1250 1250 1250 1250 1600 2500 2500 3150 5000
LV porcelain bushings 250 250 250 630 630 630 1000 1000 2000 2000 2000 3150 3150 4500
Terminations
LV Terminations HV Terminations - EN 50180
Dimensions and weightsNote:
Bushings are marked according to the IEC 60616 standard.
D: Height over LV cable box (optional accessory, compatible with HV plug-in bushings only).
Dimensions and weights are for guidance only, and are provided for a single-voltage transformer with the following electrical characteristics: 30 kV (HV) / 410 V (LV) – 3-position tap changer, ± 2.5 %A
lifting lug
rating plate
free, thermometer pocket
F
1V1W 1U2N 2W 2V 2U
HV side
LV side
F
H H H
filling plug
earthingterminal
earthingterminal
tap changer
corrugated panels in the corners according to cooling needs
SM
1000
26
125
C
D
BJ 38K
40
SM
1000
27
250 A porcelain bushings (option)
5000 A
310
45
2012050
50
25
50
135
Ø 18
1250 A
31,5
63
31,5
12
155
52
Ø 11 Ø 14,5
31,5
1600 A
Ø 14,5Ø 11
221
52
12
31,5
31,5
97,5
31,5
6331,5
2500 A
250
52
12
Ø 11Ø 14,5
106,
5
31,5
31,5 31,5100
31,5
3150 A
250
45
12120
50
50
50
Ø 18
35
250A
165
M 12
630A
178
M 20
1000A
263 M 30
1060
26 17
26Ø 1460
2000A
340
10050 25
Ø 14
15
4020
M 42
100
3150A
15
120
372
12060 30
4020
Ø 14
M 48
4500A
20
150
40
Ø18
40
70
70
450
150
M 55
400 A plug-in bushings (standard)
310
365
lockingdevice
145
500
lockingdevice
35
485
M 12
250 A
SM
1000
28S
M10
0029
SM
1000
30S
M10
0031
LV bus-bars terminations - EN 50387 (standard from 250 kVA)
LV porcelain bushings - EN 50386 (in standard from 50 to 160 kVA – in option for other powers)
NRJED311191EN 10-2011
Asstandards,specificationsanddesignschangefromtime totime,pleaseaskforconfirmationoftheinformationgiven in this publication.
Design: Schneider Electric Industries SASPhotos: Schneider Electric Industries SAS
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C036 Ck36
