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WIMES 3.11
Page 24
APPENDIX C - DATA SHEETS
DISTRIBUTION AND POWER TRANSFORMERS (1 to 22 kV)
PROJECT TITLE (P)
DOCUMENT REFERENCE (P)
PROJECT REFERENCE NUMBER (P)
REVISION (P)
PROJECT LOCATION (P)
DATE (P)
TRANSFORMER SUPPLIER (P/S)
REFERENCE DRAWINGS (P)
(included/not included)
* - indicates Purchaser’s default requirement
5.2 Rating and Characteristics
3.0 OPERATING ENVIRONMENT AND SERVICE
CONDITIONS
5.2.1 Rated (No Load) Voltages
1
1
3
Operating Environment () (P)
Indoor
Outdoor
Details of Unusual Service Conditions (P)
4.0 ELECTRICAL SYSTEM PARAMETERS
1
Nominal System Voltages (P)
Step-Down Transformers
Primary Voltage (kV)
3.3/6.6/11/22/Other?
Secondary Voltage (V)
400/415/Other?
Step-Up Transformers
Primary Voltage (V)
400/415/Other?
Secondary Voltage (kV)
3.3/6.6/11/22/Other?
Frequency and Number of Phases (P)
Frequency (Hz)
Number of phases
Type of Neutral Earthing () (P)
Solidly earthed
Resistance earthed
Reactance earthed
Fault Levels (MVA) (P)
Min
Max
Phase to phase
Phase to earth
Rated (No Load) Voltages (P)
Step-Down Transformers
Primary Voltage (kV)
3.3/6.6/11/22/Other?
Secondary Voltage (V)
420/433/Other?
Step-Up Transformers
Primary Voltage (V)
420/433/Other?
Secondary Voltage (kV)
3.3/6.6/11/22/Other?
5.2.2 Rated Power
1
Continuous
Power (kVA) (P)
Rated
5.2.3 Short Circuit Impedance and Losses
1
1
Short Circuit Impedance
(%) (P/S)
Losses (S)
Load loss
No-load loss
5.2.4 Sound Power
1
Sound Power (dBA) (S)
5.2.5 Temperature Rise Limits
2
Temperature Rise Limits (K) (P/S)
Liquid
Windings
5.0 PERFORMANCE SPECIFICATION
5.1 Design Life
1
Minimum Design
(30 years*) (P)
ISSUE 2
Life
OCTOBER 2011
WIMES 3.11
Page 25
5.3 Life Cycle Costs
5.3.1 General
1
3
LCC
Assessment
Required (Y/N) (P)
6.0 DESIGN SPECIFICATION
6
6.1 General (All Types of Transformer)
Type
CSA (mm2)
LV Side
BS/Rating (A)
Number
(per
phase/neutral)
Type
CSA (mm2)
Cable Boxes to be Sized
to Prevent Cores to
Cross Over (Y*/N) (P)
6.1.1 General
6.1.4.3 Unit Sub-Station Transformers
1
Type/Configuration
of
Transformer
Required/Provided () (P/S)
Type
Liquid filled
Dry type
Other (specify)
Configuration
Ground mounted
Unit substation
Other (specify)
1
MV Assembly Details (P)
1
LV Assembly Details (P)
6.1.6 Corrosion Protection
6.1.3 Winding Connection
4
1
Vector Group Reference
(P/S)
6.1.4 MV and LV Termination Arrangements
6.1.4.1 General
1
Termination Arrangements (P/S)
MV Side ()
Cable box
MV
switchgear
assembly
LV Side ()
Cable box
LV switchgear assembly
Paint Colour () (P)
Supplier’s standard
Other (specify)
6.1.8 Rating and Connecting Plates and Labelling
2
Application Label (P)
6.1.10 O & M Manuals
1
Type Required () (P)
Supplier’s standard
Purchaser’s standard
6.2 Liquid Filled Transformers
6.1.4.2 Cable Connected Transformers
6.2.1 General
1
2
3
Cable Entry Details (P)
MV Side
Top
Bottom
LV Side
Top
Bottom
Disconnection Chamber Requirements (P)
()
MV side
LV side
Cable Types/Sizes (P)
MV Side
BS/Rating (A)
Number
ISSUE 2
2
Type of Transformer Required/Provided
() (P/S)
Free breathing
Free
breathing
with
conservator
Hermetically sealed
6.2.2 Tank
6
IP Rating (P/S)
OCTOBER 2011
WIMES 3.11
6.2.3 Cooling Arrangements
1
1
Type of Coolant Required/Provided ()
(P/S)
Mineral oil
Midel
Other (specify)
Type
of
Cooling
Regime
Required/Provided () (P/S)
ONAN
KNAN
Other (specify)
6.2.5 Monitoring and Protection
1
Method
of
Coolant/Winding
Over-Temperature
Protection
Required/Provided (P/S)
Page 26
6.3.4 Cooling Arrangements
1
2
Type
of
Cooling
Required/Provided () (P/S)
AN
AF
Other (specify)
Enclosure Design to
Allow for Future Fitment
of Fans (Y/N) (P)
Regime
6.3.6 Monitoring and Protection
2
2
Winding
Temperature
Indicators
Required/
Provided (Y/N) (P/S)
Type of Coolant/Winding Temperature
Indicators Required/Provided () (P/S)
Dial type thermometer
Digital thermometer
7.0 INSPECTION AND TESTING
2
2
2
3
5
7
Coolant
Temperature
Indicators Required/
Provided (Y/N) (P/S)
Winding
Temperature
Indicators Required/
Provided (Y/N) (P/S)
Type of Coolant/Winding Temperature
Indicators Required/Provided () (P/S)
Dial type thermometer
Digital thermometer
Buchholz
Relay
Required (Y/N) (P)
Low
Coolant
Level
Protection
Required
(Y/N) (P)
REF
Protection
Required (Y/N) (P)
6.3 Dry Type Transformers
7.1 General
1
a
b
7.2 Factory Acceptance Tests (FATs)
1
2
2
Environmental Classification () (P/S)
Class E0
Class E1
Class E2
Climatic Classification () (P/S)
C1
C2
Fire Behaviour Classification () (P/S)
F0
F1
Samples of Supplier’s test
schedules to be submitted
before testing (Y/N) (P)
7.3 Witness
(If Required)
3
a
6.3.1 General
2
Additional Tests Required () (P)
Witness FATs
Site commissioning tests
b
5
Factory
Acceptance
Tests
Availability/Distribution of Supplier’s Test
Schedules () (P)
Schedules to be made
available to the Purchaser
at witness FATs
Schedules to be sent to the
Purchaser before witness
FATs
Details of Any Further Witness FATs
Required (P)
6.3.3 Enclosure/Skid Base
2
IP Rating (P/S)
ISSUE 2
OCTOBER 2011
WIMES 3.11
Page 27
APPENDIX D – SUPPLIER’S SUPPLEMENTARY DATA SHEET INFORMATION
Clause
ISSUE 2
Supplementary Information
OCTOBER 2011