D-AAA-TRAFO-ATR-EXP-11_200 (Rev.0-2011)

7/22/2019 D-AAA-TRAFO-ATR-EXP-11_200 (Rev.0-2011)

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Standard Technical Specifications for Electrical Works

TRANSFORMERS / REACTORS / RESISTORS

( Data Sheets )

Indoor Installation), 200 kVA, 11 5%/0.415 kV

ADWEA/ADDC/AADC STANDARD : D-AAA-TRAFO-ATR-11_200

(Rev.0-2011)

Auxiliary/Distribution Transformers (Epoxy-Resin Dry-Type,

225664272.xls.ms_office

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Page

1.00 GENERAL 3

2.00 RATINGS 3

3.00 INSULATION LEVEL 43.01 Primary 4

3.02 Secondary 4

4.00 PROTECTIVE HOUSING 4

5.00 TESTS 4

6.00 OPERATING DETAILS 5

7.00 DESIGN DETAILS AND FEATURES 6

8.00 MASSES, MEASURES AND DRAWINGS 7


Indoor Installation), 200 kVA, 11 5%/0.415 kV

Table of Content

Auxiliary/Distribution Transformers (Epoxy-Resin Dry-Type,


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Sl. No. REQUIRED TENDERED

1.00 GENERAL

1.01 Manufacturer

1.01.1 name

1.01.2 country of manufacturing

1.02 Place of testing

1.03 Kind of installation indoor

1.04 Applicable standards IEC 60076, 60726

1.05 Type of core core type

1.06 Number of windings two1.07 Material of windings Aluminium

1.08 Conductor of windings multi-layer foil

2.00 RATINGS

2.01 Rated power kVA 200

2.02 Service conditions

2.02.1 maximum ambient temperature 0C 50

2.02.2 maximum service altitude m 1000

2.03 Temperature rise limits

2.03.1 windings average K 90

2.03.2 windings hot spot K 110

2.04 Thermal class of windings class F

2.05 Fire behaviour class of transformer class F1

2.06 Rated voltages

2.06.1 primary kV 11

2.06.2 secondary at no-load on principle tap kV 0.415

2.07 Number of phases 3

2.08 Rated current

2.08.1 primary (at principal tap) A

2.08.2 secondary A


Auxiliary/Distribution Transformers (Epoxy-Resin Dry-Type, Indoor Installation), 200 kVA, 11 5%/0.415 kV


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TENDERER`s STAMP SIGNATURE

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2.09 Permissible load of neutral point % 100

2.10 Vector group symbol Dyn11

2.11 Rated frequency Hz 50

2.12 Impedance voltage (1200C) at full rated power % 4.0

2.13 Magnetic flux density

2.13.1 at nominal voltage and frequency Tesla 1.72

2.13.2 at maximum system voltage Tesla

2.13.3 saturation Tesla

2.14 Maximum ermitted Losses at 1200C rated volta e

frequency, full site rated load and main tap2.14.1 load losses kW max. 6.325

2.14.2 no-load losses kW max. 1.0

2.15 Tolerance for penality application

2.15.1 .for total losses %

2.15.2 .for component losses %

2.16 No-load current (Io/In) %

2.17 Core losses (W17/50) W/kg

2.18 Tapping range % 2 x 2.5

2.19 Number of steps No. 22.20 Tapped winding HV

2.21 Principal tapping at kV 11

3.00 INSULATION LEVEL

3.01 Primary

3.01.1 Power frequency withstand voltage kV 28

3.01.2 Lightning impulse level kV 75

3.02 Secondary

3.02.1 Power frequency withstand voltage kV 3

4.00 PROTECTIVE HOUSING


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4.01 Protection class IP min. 21

4.02 Housing prod-proof yes

5.00 TESTS

5.01 Routine tests according to IEC 60076 on each unit

and specifications

5.02 Separate source AC voltage withstand test on each unit

5.02.1 test voltage / primary kV 28

5.02.2 test voltage / secondary kV 3

5.03 Induced AC voltage withstand test on each unit

5.03.1 test voltage / primary kV 23.1

5.03.2 test voltage / secondary kV 0.83

5.03.3 test duration s 60

5.04 Heat-run test (for pre-qualifucation only) on one unit

5.05 Full-wave lightning impulse tests (for pre-qualifucation only) on one unit

5.05.1 test voltage / primary kV 75

5.05.2 polarity positive

5.06 Short circuit test (for pre-qualifucation only)

5.06.1 name of independent testing laboratory

who carried out the short circuit test on

similar transformer

5.06.2 test certificates attached yes

5.06.3 validity of quality control certificate

5.06.4 name of issuing authority

6.00 OPERATING DETAILS

6.01 Cooling method AN

6.02 Constant power at all taps yes

6.03 Noise level (LpA) at measuring dB(A) max. 56

distance of 1.0 m


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6.04 Auxiliary supply voltage Vac 400/230

6.05 Permissible over-load and duration (in minutes)

6.05.1 20 % over-load

6.05.1.1 at 300C min.

6.05.1.2 at 400C min.

6.05.1.3 at 500C min.

6.05.2 30 % over-load

6.05.2.1 at 300C min.

6.05.2.2 at 400C min.

6.05.2.3 at 50 0C min.

6.05.3 40 % over-load

6.05.3.1 at 300C min.

6.05.3.2 at 400C min.

6.05.3.3 at 500C min.

6.05.4 50 % over-load

6.05.4.1 at 300C min.

6.05.4.2 at 400C min.

6.05.4.3 at 500C min.

7.00 DESIGN DETAILS AND FEATURES

7.01 Current densities at rated power

7.01.1 primary A/mm2

7.01.2 secondary A/mm2

7.02 Winding resistances at 750C

7.02.1 primary / Phase

7.02.2 secondary / Phase

7.03Insulation material

7.03.1 primary

7.03.2 secondary

7.03.3 tapping leads


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7.03.4 core lamination

7.04 Efficiencies

7.04.1 at 25 % of rated power %






7.05 Voltage regulation at 750

C and rated power

7.05.1 at power factor 0.80 %




8.00 MASSES, MEASURES AND DRAWINGS

8.01 Overall dimensions

8.01.1 height mm

8.01.2 depth mm8.01.3 width mm

8.02 Shipping dimensions

8.02.1 height mm

8.02.2 depth mm

8.02.3 width mm

8.03 Total mass kg

8.04 Transportation mass kg


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Documents

D-AAA-TRAFO-ATR-EXP-11_200 (Rev.0-2011)