Dau Cap 1pha 500mm2

HCMC PC SPECIFICATION

TERMINATION FOR 22KV SINGLE PHASE XLPE (EPR) INSULATED

CABLE

I. SCOPE :

This specification should be applicable to termination with accessories used for 22KV- single phase XLPE(EPR) insulated cable.

II. STANDARDS OF MANUFACTURE AND TEST :

- VDE 0278 : Power cable accessories with rated voltage up to 30 KV.- ASTM D2303 : Inclined plane non-tracking test method.

III. DESCRIPTION :

1. Type : cold or heat shrink type used for terminate 22KV underground single cable, outdoor.

2. Technical characteristics of terminated cable :- Basic construction of cable : Single core concentric compact stranded

copper, extruded semi-conducting EPR or XLPE compound conductor screen, EPR or XLPE insulation, extruded semi-conducting EPR or XLPE compound insulation screen, copper shield tape, binder tape and PE oversheath.

- Voltage rating : 22 KV phase to phase- Core size : 500 mm2 - Thickness of cable insulation : 6.6 mm

3. Technical requirement :

- AC withstand voltage : + 1 minute/dry : 55 KV.+ 4 hours/dry : 48 KV

- Partial discharge: + at 15KV : maximum 3pc+ at 24KV : maximum 20pc

- Impulse voltage withstand :+ 10 positive impulses : 150 KV+ 10 negative impulses : 150 KV

- Load cycling :+ Cycles : 5 hours heating , 3 hours cooling .+ Conductor temperature : 90C

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CABLE

+ Test : 63 cycle at 30 KV + Partial discharge:

. at 15KV : maximum 3pc

. at 24KV : maximum 20pc+ Impulse voltage withstand :

. 10 positive impulses : 150 KV

. 10 negative impulses : 150 KV

- DC Voltage withstand : 30 minutes : 96 KV

- Humidity and condensation :+ Insaturated air at 15KV : 100 hours+ Water conductivity : 80 mS/m

- Non Tracking performance of outer insulation material : Minimum 400 minutes, no tracking , erosion through material or flame

failure , under following inclined plane test conditions per ASTM D2303.- The termination shall be suitable for using in wet locations.

4. Accessories : 1 copper crimp lugs with two or four holes palm for copper conductor of 500 mm2 .

IV. TESTING REQUIREMENTS :

1. Type testing items :

- AC voltage withstand test.- DC voltage withstand test.- Lightning impulse voltage withstand test.- Cyclic current loading- Continuous AC voltage test with cyclic current loading- Corona discharge test on accessories- Non tracking test.

2. Requirements :

In order to ensure the quality of supplied goods , in case of bid winning , the Tenderer shall supply routine test and copies of type test reports met the following requirements :

a. Routine test shall be performed for each equipment.




CABLE

b. Type test report shall be approved by an lawful, reputable, independent testing laboratory with the following content :

- Testing sample : the same as the supplied item (manufacturer, country of origin, manufacture’s code as specified in tender document).

- Testing items : Including at least testing items as specified in Section IV.1 of this specification.

- Testing values shall be corresponding values as stated in Section III of this specification. If in section III, there are no corresponding values, testing values will be selected according to the standard specified in section II of this specification.

V. REQUIREMENT OF TENDER TECHNICAL DOCUMENTS :

- Detailed summary of deviations to inquiry specification.- Completed inquiry data sheet expressed at section VI of this

specification.- Catalogues containing outline dimensions, electrical data and

installation details.- Certificate of quality management.- Dimension drawings of cable drum.- The proposal bidding has Type Test Report which meets the

requirements as specified in item IV 2.b will be preferable .

VI. DATA SHEET :

No

SPECIFICATION UNIT REQUIREMENT TENDER

1. Item No.2. Manufacturer3. Country4. Manufacturer’s code5. Standards of factory and

testVDE 0278 & ASTM D2303




CABLE

6. Standards of quality management

7. Member approve of certificate of management

8. In case of bid winning , the Tenderer shall supply routine test and copies of type test report met the requirements of section IV .

Yes

9. 1. Type cold or heat shrink type used for

terminate 22KV underground single

cable, outdoor2. Technical characteristics of terminated cable :

10. - Basic construction of cable Single core concentric compact

stranded copper, extruded semi-

conducting EPR or XLPE compound

conductor screen, EPR or XLPE

insulation, extruded semi-conducting EPR or XLPE compound insulation screen,

copper shield tape, binder tape and PE

oversheath.11. Voltage rating 22 KV phase to

phase12. Core size 500 mm213. Thickness of cable

insulation6.6 mm

3. Technical requirement :14. - AC withstand voltage :

+ 1 minute/dry + 4 hours/dry

55 KV.48 KV

15. Partial discharge: + at 15KV + at 24KV

maximum 3pc maximum 20pc

16. - Impulse voltage withstand : 150 KV




CABLE

+ 10 positive impulses :

+ 10 negative impulses :

150 KV

17. - Load cycling :+ Cycles

+ Conductor temperature + Test + Partial discharge: . at 15KV . at 24KV + Impulse voltage withstand . 10 positive impulses . 10 negative impulses

C

KVKV

5 hours heating , 3 hours cooling .

9063 cycle at 30 KV

maximum 3pcmaximum 20pc

150 150

18. DC Voltage withstand for 30 minutes

KV 96

19. - Humidity and condensation :

+ Insaturated air at 15KV + Water conductivity

Hours

mS/m

100 80

20. Non Tracking performance of outer insulation material

Minimum 400 minutes, no

tracking , erosion through material or flame failure , under

following inclined plane test conditions

per ASTM D230321. -The termination shall be

suitable for using in wet locations.

Yes

22. 4. Accessories 1 copper crimp lugs with two or four holes palm for

copper conductor of 500 mm2


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Dau Cap 1pha 500mm2