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Vijai Electricals Ltd.

SCHEME: Projects Division

PROJECT:

CUSTOMER:

CONSULTANT:CONTRACTOR:

LOA No. :

GUARANTEED TECHNICAL PARTICULARS OF

12KV,70KN DISC INSULATOR(B&S TYPE)

S.NO DESCRIPTION UNIT PARTICULARS

1 Manufacturers Name & Address

2

3 Type of insulator offered Type B

4 Over all Dimensions (mm)

a) Spacing mm

b) Diameter mm

5 Nominal System Voltage KV 11

6 Highest System Voltage KV 12

7 Electro-mechanical Failing Load KN 70

8 Dry Power Frequency 1 Min. Withstand Voltage KV

9 Wet Power Frequency 1 Min. Withstand Voltage KV 35

10 Dry Power Frequency Flashover Voltage KV

11 Wet Power Frequency Flashover Voltage KV

12 Power frequency Puncture withstand Voltage KV

13 a) Min. Creepage Distance (min) mm

b)Protected Creepage Distance mm

14 Impulse withstand Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp 75

1.2/50 Micro Sec. Wave of Negative Polarity KVp

15 50% Impulse flashover Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp

Standard According to which Porcelain Insulators be

Manufactured and Tested

IS: 731-1971 and REC

Specification No.3/1993

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15 Galvanising test.

16 Thermal mechanical performance test IEC-383-1-1993

17 Radio Interference test

Routine tests:

1 Visual examination

3 Mechanical Routine test4 Electrical Routine test

5 Hydraulic Internal Pressure test on shells

Acceptance tests:

1 Verification of Dimensions

2 Temperature cycle Test

3 24 hours mechanical strength test

4 Electro-Mechanical Failing Load Test

5 Power Frequency Puncture Voltage test

6 Porosity test7 Galvanising test

DRAWING AS PER REC Specification No.3/1971

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6.5

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Vijai Electricals Ltd.

SCHEME: Projects Division

PROJECT:

CUSTOMER:

CONSULTANT:CONTRACTOR:

LOA No. :

GUARANTEED TECHNICAL PARTICULARS OF

12KV,45KN DISC INSULATOR(T&C TYPE)

S.NO DESCRIPTION UNIT PARTICULARS

1 Manufacturers Name & Address

2

3 Type of insulator offered Type B

4 Over all Dimensions (mm)

a) Spacing mm

b) Diameter mm

5 Nominal System Voltage KV 11

6 Highest System Voltage KV 12

7 Electro-mechanical Failing Load KN 45

8 Dry Power Frequency 1 Min. Withstand Voltage KV

9 Wet Power Frequency 1 Min. Withstand Voltage KV 35

10 Dry Power Frequency Flashover Voltage KV

11 Wet Power Frequency Flashover Voltage KV

12 Power frequency Puncture withstand Voltage KV

13 a) Min. Creepage Distance (min) mm

b)Protected Creepage Distance mm

14 Impulse withstand Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp 75

1.2/50 Micro Sec. Wave of Negative Polarity KVp

15 50% Impulse flashover Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp

Standard According to which Porcelain Insulators be

Manufactured and Tested

IS: 731-1971 and REC

Specification No.3/1993

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1.2/50 Micro Sec. Wave of Negative Polarity KVp

16 Minimum Visible Discharge Test Voltage KV 9

17 Ferrous parts M.C.I

Tongue pin Forged IronTongue pin designation mm

16

Cotter pin

Split pin

18 Net Weight (Approx.) Kg

19 Colour of Glaze BROWN

20 Tolerance as per specification()

21 Galvanising & weight of zinc coating on metal parts

22

23 Minimum purity of Zinc coating %

24 Marking details

25 Packing details

a) Type of Packing

b) No. of Insulators in each crate Nos

c) No. of crates in each packing Nos

d) Weight of each packing approx. Kgs

23 Offered material fully meets customer specification Yes

24 Drawing No.

Tests:

Type tests:

1 Visual examination

2 Verification of dimensions

3 Visible discharge test

4 Lightning Impulse Voltage withstand Test.

5 50% Lightning Impulse Voltage Flashover Test

6 Dry power frequency Voltage withstand Test.

7 Wet Power frequency Voltage withstand Test

8 Dry power frequency Voltage Flashover Test.

9 Wet Power frequency Voltage flashover Test

10 Temperature Cycle Test

11 Electro-Mechanical Failing Load Test IEC-383 Cl.No.18&19

12 24 hours mechanical strength test

13 Porosity test

14 Power Frequency Puncture Voltage test

Kg/mm2

Uniformity of Zinc coating to be checked as per IS:2633-1986

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Page 11

15 Galvanising test.

16 Thermal mechanical performance test IEC-383-1-1993

17 Radio Interference test

Routine tests:

1 Visual examination

3 Mechanical Routine test4 Electrical Routine test

5 Hydraulic Internal Pressure test on shells

Acceptance tests:

1 Verification of Dimensions

2 Temperature cycle Test

3 24 hours mechanical strength test

4 Electro-Mechanical Failing Load Test

5 Power Frequency Puncture Voltage test

6 Porosity test7 Galvanising test

DRAWING AS PER REC Specification No.3/1971

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6.5

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Vijai Electricals Ltd.

SCHEME: Projects Division

PROJECT:

CUSTOMER:

CONSULTANT:CONTRACTOR:

LOA No. :

GUARANTEED TECHNICAL PARTICULARS OF

12KV,5KN PIN INSULATOR

S.NO DESCRIPTION UNIT PARTICULARS

1 Manufacturers Name & Address

2

3 Type of insulator offered Type B

4 Over all Dimensions (mm)

a) Height mm

b) Maximum Diameter mm

c) Conductor groove in mm mm

5 Nominal System Voltage KV 11

6 Highest System Voltage KV 12

7 Minimum Mechanical Failing Load KN 5

8 Dry Power Frequency 1 Min. Withstand Voltage (kV) KV

9 Wet Power Frequency 1 Min. Withstand Voltage (kV) KV 35

10 Dry Power Frequency Flashover Voltage KV

11 Wet Power Frequency Flashover Voltage KV

12 Power frequency Puncture withstand Voltage KV 105

13 Min. Creepage Distance (min) mm 230 mm

14 Impulse withstand Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp 75

1.2/50 Micro Sec. Wave of Negative Polarity KVp

Standard According to which Porcelain Insulators be

Manufactured and Tested

IS: 731-1971 and REC

Specification No.3/1993

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15 50% Impulse flashover Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp

1.2/50 Micro Sec. Wave of Negative Polarity KVp

16 Thimble:

a) Type of material

b) Type

c) Type of threads

17 Minimum Visible Discharge Test Voltage KV 9

18 Net Weight (Approx.) Kg

19 Colour of Glaze BROWN

20 Tolerance as per specification()

21 Marking details

22 Packing details

a) Type of Packing

b) No. of Insulators in each crate Nos

c) No. of crates in each packing Nos

d) Weight of each packing approx. Kgs

23 Offered material fully meets customer specification Yes

24 Drawing No.

Tests:

Type tests:

1 Visual examination

2 Verification of dimensions

3 Visible discharge test

4 Lightning Impulse Voltage withstand Test.

5 50% Lightning Impulse Voltage Flashover Test

6 Dry power frequency Voltage withstand Test.7 Wet Power frequency Voltage withstand Test

8 Dry power frequency Voltage Flashover Test.

9 Wet Power frequency Voltage flashover Test

10 Temperature Cycle Test

11 Mechanical Failing Load Test

12 Porosity test

13 Power Frequency Puncture Voltage test

14 Galvanising test.

Routine tests:

1 Visual examination

2 Electrical Routine test

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Acceptance tests:

1 Verification of Dimensions

2 Temperature cycle Test

3 Mechanical failing load test

4 Power Frequency Puncture Voltage test

5 Porosity test6 Galvanising test

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Vijai Electricals Ltd.

SCHEME: Projects Division

PROJECT:

CUSTOMER:

CONSULTANT:CONTRACTOR:

LOA No. :

GUARANTEED TECHNICAL PARTICULARS OF

36KV,10KN PIN INSULATOR

S.NO DESCRIPTION UNIT PARTICULARS

1 Manufacturers Name & Address

2 IS: 731-1971

3 Type of insulator offered Type B

4 Over all Dimensions (mm)

a) Height mm

b) Maximum Diameter mm

c) Conductor groove in mm mm

5 Nominal System Voltage KV 33

6 Highest System Voltage KV 36

7 Minimum Mechanical Failing Load KN 10

8 Dry Power Frequency 1 Min. Withstand Voltage (kV) KV

9 Wet Power Frequency 1 Min. Withstand Voltage (kV) KV 75

10 Dry Power Frequency Flashover Voltage KV

11 Wet Power Frequency Flashover Voltage KV

12 Power frequency Puncture withstand Voltage KV 180

13 Min. Creepage Distance (min) mm 580

14 Impulse withstand Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp 170

1.2/50 Micro Sec. Wave of Negative Polarity KVp

15 50% Impulse flashover Voltage :

1.2/50 Micro Sec. Wave of Positive Polarity KVp

Standard According to which Porcelain Insulators be

Manufactured and Tested

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1.2/50 Micro Sec. Wave of Negative Polarity KVp

16 Thimble:

a) Type of material

b) Type

c) Type of threads

17 Minimum Visible Discharge Test Voltage KV 27

18 Net Weight (Approx.) Kg

19 Colour of Glaze BROWN

20 Tolerance as per specification()

21 Marking details

22 Packing details

a) Type of Packing

b) No. of Insulators in each crate Nos

c) No. of crates in each packing Nos

d) Weight of each packing approx. Kgs

23 Offered material fully meets customer specification Yes

24 Drawing No.

Tests:

Type tests:

1 Visual examination

2 Verification of dimensions

3 Visible discharge test4 Lightning Impulse Voltage withstand Test.

5 50% Lightning Impulse Voltage Flashover Test

6 Dry power frequency Voltage withstand Test.7 Wet Power frequency Voltage withstand Test

8 Dry power frequency Voltage Flashover Test.

9 Wet Power frequency Voltage flashover Test

10 Temperature Cycle Test

11 Mechanical Failing Load Test

12 Porosity test

13 Power Frequency Puncture Voltage test

14 Galvanising test.Routine tests:

1 Visual examination

2 Electrical Routine test

Acceptance tests:

1 Verification of Dimensions

2 Temperature cycle Test

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3 Mechanical failing load test

4 Power Frequency Puncture Voltage test

5 Porosity test

6 Galvanising test