ATTACHMENT C
TRANSFORMER DATA
JULY, 2009
A E R C O U S T I C S ___________________________________________________________________________________E N G I N E E R I N G L I M I T E D Specification Power
Transformers
Technical Data Information
Page 2 of 8
August 2006
063-P005328-0163-02-EA-0001-0B
Specification
Power Transformer
Final version for Item 1B dated July 6, 2007
POWER TRANSFORMERS
1.
Continuous ratings (For all windings)
2.
(a)
(b)
(c)
Number of phases
3.
ONAN
ONAF
ONAF
66
88
110
3
MVA
MVA
MVA
Frequency
60
Hz
4.
Voltage ratio
+/-8 x 1.125
kV
5.
Winding Connections
YNd11
6.
Losses (guaranteed)
(a)
(b)
(c)
7.
No-Load loss at rated voltage, rated tap
92.5 kW*
Load Loss at self-cooled rating, rated tap, 85°C 71 kW
Total loss at self-cooled rating, rated voltage, rated tap, 85°C
___________ kW
(d) Fans and/or pumps
6 kW
Impedances at self-cooled rating, rated tap voltage, 85°C
(a) Positive sequence
(i)
HV-LV, rated tap
(ii)
HV-LV, maximum tap
(iii)
HV-LV, minimum tap
(b)
zero
sequence
4.50
4.64
4.47
%
%
%
(i)
4.00
%
HV-LV, rated tap
* Guaranteed values, subject to the tolerances permitted in CSA Standard
CAN3-C88-M79
8.
Efficiencies at self-cooled rating, rated voltage, rated tap, 80°C, 1.0 PF
9.
(a) 125%
(b) 100%
99.769
(c) 75%
99.751
(d) 50%
99.688
(e) 25%
99.452
Regulation at self-cooled rating, rated voltage, rated tap, 80°C
%
%
%
%
%
Specification Power
Transformers
Technical Data Information
Page 3 of 8
August 2006
063-P005328-0163-02-EA-0001-0B
Specification
Power Transformer
Final version for Item 1B dated July 6, 2007
10.
(a) 1.0 PF
(b) 0.8 PF
Flux density at rated voltage, rated tap
Tesla
Tesla
11.
(a) Limbs
1.720
(b) Yokes
1.720
Current density at self-cooled rating, rated tap
1.31
1.25
A/mm²
A/mm²
12.
(a) HV winding
(b) LV winding
Exciting current on rated tap
0.3
0.3
A
A
13.
(a) 100% rated voltage
(b) 110% rated voltage
Basic insulation levels (BIL)
950
95
170
kV
kV
kV
14.
(a) Windings
(i)
HV line end
(ii)
HV neutral end
(iii)
LV line end
Winding construction and materials
Disc
Helical
cu
cu
15.
(a)
(b)
Core construction
core type
3
core
16.
(a) shell or core type
(b) Number of limbs
Off-circuit tap changer
N/A
______________
______________
______________
______________
%
%
kV
kV
kV
17.
(a) Range
(b) Steps
(c) Rated voltage
(d) Rated current
(e) BIL
On-Load Tap Changer
(a)
(b)
(c)
(d)
HV
LV
Manufacturer
Resistor or reactor type
Catalogue No.
Winding location
0.201
2.852
ABB Comp.
Resistor type
______________
Sep. reg. winding
%
%
Specification Power
Transformers
Technical Data Information
Page 4 of 8
August 2006
063-P005328-0163-02-EA-0001-0B
Specification
Power Transformer
Final version for Item 1B dated July 6, 2007
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(e) Range
(f)
Steps
(g) Rated voltage
(h) Rated current
(i)
BIL
(j)
Operating time
(k) Drive motor
Rating
Voltage
Number of phases
Full load current
Starting current
Class of insulation
(l)
(m)
18.
%
steps
kV
A
kV
sec
0.37
440-480
HP
V
1.1
-
A
3
Lowest temperature at which tap changer will operate
satisfactorily
-25
C
Estimated diverter contact life (operations at transformer full
load current)
500 000
Cooling
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
19.
+/-10
16
600
380
-
(a) Fan motors
Number
Rating
Voltage
Number of phases
Full load current
Starting current
Class of insulation
16xF26D
1/3
460
HP
V
3
0.7
A
2.1
A
F with class B temp. rise
Bushings
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(a) HV Line
Manufacture
Type
Catalogue No.
Voltage class
Current rating
Creepage distance
(b)
HV neutral
ABB Alamo
362W0800UB
W11B873BB
326
800
262.125
kV
A
inch
Specification Power
Transformers
Technical Data Information
Page 5 of 8
August 2006
063-P005328-0163-02-EA-0001-0B
Specification
Power Transformer
Final version for Item 1B dated July 6, 2007
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(i)
(ii)
(iii)
(iv)
(v)
(vi)
Manufacture
Type
Catalogue No.
Voltage class
Current rating
Creepage distance
(c) LV Line
Manufacture
Type
Catalogue No.
Voltage rating
Current rating
Creepage distance
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(d) LV neutral
Manufacture
Type
Catalogue No.
Voltage rating
Current rating
Creepage distance
N/A
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(e) TV line
Manufacture
Type
Catalogue No.
Voltage rating
Current rating
Creepage distance
N/A
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(f)
TV neutral
Manufacture
Type
Catalogue No.
Voltage rating
Current rating
Creepage distance
(g)
(h)
Core ground
Voltage rating
ABB Alamo
025W0412AT
W7B522BB
25
400
21
kV
A
inch
ABB.Alamo
046W2000UD
W17B450BB
46
2000
59.906
kV
A
inch
N/A
Rod bushing F310H
________________ kV
Specification Power
Transformers
Technical Data Information
Page 6 of 8
August 2006
063-P005328-0163-02-EA-0001-0B
Specification
Power Transformer
Final version for Item 1B dated July 6, 2007
20.
Weights
(a)
(b)
(c)
(d)
(e)
(f)
Core and windings
Tank and fittings
Oil
Total
Heaviest piece of shipping
Filling medium for shipping
21.
Volume of conservator
22.
Dimensions
(i)
(ii)
(iii)
(i)
(ii)
(iii)
23.
24.
25.
92.900
kg
44.300
kg
43.150
kg
180.350
kg
115.700
kg
________________
~3950
(a) Overall
Height
7900
Length
8200
Width
4300
(b) Shipping (largest piece)
Height
4600
Length
8200
Width
3100
(c) Height to remove core and windings
(excluding lifting gear)
(d) Height to remove HV bushings
(excluding lifting gear)
l
mm
mm
mm
mm
mm
mm
-
mm
-
mm
Vacuum
(a)
(b)
Required during filling operations
_____________
Maximum permissible
0.095
MPa
(a)
(b)
Manufacture
Type
Oil
Nynas or Ergon
_________________
Auxiliaries
(i)
(ii)
(a) Gas detector relay
Manufacture
Type
ABB
Model 12
Specification Power
Transformers
Technical Data Information
Page 7 of 8
August 2006
063-P005328-0163-02-EA-0001-0B
Specification
Power Transformer
Final version for Item 1B dated July 6, 2007
(iii)
Catalogue No.
________________
(i)
(ii)
(iii)
(b) Winding temperature indicator
Manufacture
Type
Catalogue No.
Qualitrol
104-250
________________
(i)
(ii)
(iii)
(c) Pressure relief device
Manufacture
Type
Catalogue No.
Qualitrol
208-007-04
_______________
(i)
(ii)
(iii)
(d) Voltage regulating relay
Manufacture
not included in scope of supply
Type
________________
Catalogue No.
________________
(e)
26.
Other control devices and auxiliary equipment to be itemized
below :
Noise level:
Noise level of the transformer measured at 100 % of the nominal voltage with all cooling
motors in operation measured according to ANSI/IEEE C57.12.90
76
dB(A)
Mode ONAN
75
dB(A)
26.
Drawings
The following drawings are included with this bid:
Drawing No.
Preliminary dimension drawing PL-3764-07 dated February 14 2007.
Other:
Specification Power
Transformers
Technical Data Information
Page 8 of 8
August 2006
063-P005328-0163-02-EA-0001-0B
Specification
Power Transformer
Final version for Item 1B dated July 6, 2007
27.
Descriptive Literature
The following descriptive literature is included with this bid:
28.
Gasket materials
The type of gasket materials and applications will be as itemized below:
29.
Method of shipment
Description of method used for delivery of materials to site:
30.
Special tools
All special tools required for installation and maintenance of the equipment are itemized
below:
31. Erection estimate
Estimate of man-hours required to fully assemble the transformers at Site:
**
Per transformer N/A man-hours for assembling transformer including vacuum
filling and commissioning.
32.
Repair facilities
Name and address of nearest repair facilities and serviceman:
33.
Further information and recommendations:
34.
Maximum insulation Power Factor Test value.
-
%