48-TMSS-01-R0

TRANSMISSION MATERIALS STANDARD SPECIFICATION

48-TMSS-01, Rev. 0

TABLE OF CONTENTS

1.0

SCOPE

2.0

CROSS REFERENCES

3.0

APPLICABLE CODES AND STANDARDS

4.0

DESIGN AND CONSTRUCTION REQUIREMENTS 4.1 4.2 4.3 4.4 4.5

48TMSS01R0/YM

General Design Criteria Rating Material & Fabrication Marking

5.0

TESTS

6.0

PACKING AND SHIPPING

7.0

DATA SCHEDULE

Date of Approval: August 21, 2006

PAGE NO. 2 OF 27


1.0

48-TMSS-01, Rev. 0

SCOPE This SEC Transmission Material Standard Specification (TMSS) specifies the minimum technical requirements for design, engineering, manufacture, inspection, testing and performance of following polyethylene insulated & sheathed armoured/un armoured pilot wire & telephone cable with copper conductors, intended to be used in the system (telecommunications network and protection system) of the Saudi Electricity Company, Saudi Arabia. 1.1 1.2 1.3

2.0

Type-A (For Eastern Area) Type-B (For Central Area) Type-C (For Western Area)

CROSS REFERENCES This Material Standard Specification shall always be read in conjunction with SEC General Specification No. 01-TMSS-01, titled "General Requirements for All Equipment/Materials", which shall be considered as an integral part of this TMSS. This TMSS shall also be read in conjunction with SEC Purchase Order or Contract Schedules for project, as applicable.

3.0

APPLICABLE CODES AND STANDARDS The latest revision/amendments of the following Codes and Standards shall be applicable for the equipment/material covered in this TMSS. In case of conflict, the vendor/manufacturer may propose equipment/material conforming to one group of Industry Codes and Standards quoted hereunder without jeopardizing the requirements of this TMSS. 3.1

ICEA S-61-402

Thermoplastic Insulated Wire and Cable for the Transmission and Distribution of Electrical Energy.

3.2

ASTM B3

Specification for Soft or Annealed Copper Wire.

3.3

ASTM D1248

Specification for Polyethylene Plastics Molding and Extrusion Materials.

3.4

IEC 60189-1

Testing Methods

3.5

IEC 60189-2

Colour codes

3.6

IEC-60229, 60330, 60502, 60540, 60811

48TMSS01R0/YM


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4.0

48-TMSS-01, Rev. 0

DESIGN AND CONSTRUCTION REQUIREMENTS 4.1

Design Criteria 4.1.1

The pilot wire cable shall be of a proven design and meet or exceed the requirements of this specification in all respects. The pilot cable shall be suitable for use with the service conditions mentioned in 01-TMSS-01.

4.1.2

The cable dimensions shall be as specified in Data Schedule.

4.1.3

The cable design shall prevent ingress of water radially and longitudinally. Manufacturer shall clearly indicate the cable components providing the above water ingress prevention.

4.1.4

The pilot wire cable shall be certified for continuous operation at 75°C in wet (salt water) or dry locations. Installation can be in aerial, duct and direct burial.

4.1.5

For Type-A only Unless otherwise specified, the cable shall be manufactured in accordance with ICEA S-61-402 and 01-TMSS-01.

4.2

Ratings The cable ratings shall be as specified in Data Schedule.

4.3

Materials & Fabrication 4.3.1

Conductor a.

For Type A Multiple pair cable shall have 0.65 mm2 (19 gauge) minimum, solid uncoated copper wire conductors, conforming to the requirements of ASTMB3, except that the requirements for dimensions and permissible variations shall be waived. The electrical parameters of the conductor shall be as specified in Data Schedule.

b.

For Type-B Each conductor in the cable shall consist of a solid wire of standard annealed copper, smoothly drawn, circular in section, of uniform quality, free from defects having a diameter in accordance with table No. 1.

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48-TMSS-01, Rev. 0


Table – 1 (For Type-B) Technical characteristics of plain annealed Copper Conductor

Conductor Diameter Nominal Maximum (mm) (mm) 0.5 0.51 0.63 0.64 0.7 0.71 0.9 0.91

Maximum Loop Resistance at 20°C /km (ohms) 182 116 94 58.2

The standard pilot cable for protection or telecommunication shall be 1/0.9mm, 12 pairs.This standard pilot cable shall be supplied unless the accompanying order or contract specifications state differently. c.

For Type-C The pilot cable used in this area will consist of following 3 types and each pilot cable shall have plain copper conductor. i.

5 Twisted Pairs The 5 twisted pairs pilot cable shall have 1.4 mm wire dia and shall be used for new cable feeders for protection.

ii.

20 Twisted Pairs The 20 twisted pairs pilot cable shall have 0.9 mm wire dia and shall be used for new cable feeders for control/telemetering speech services.

iii.

7/54 Pairs For looping with existing system pilot cable of 7/54 type similar to existing cable shall be used. The pilot cable shall consist of combined protection/ control cable, which shall comprise of 7 triple cores for relay protection services and 54 pairs for control/telemetering speech services.

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48-TMSS-01, Rev. 0


4.3.2

Insulation Each conductor shall be covered with extruded polyethelene. The radial thickness and colouring of insulation shall be such that all the requirements of this specification are met. For Type-A Primary conductors shall be insulated with an average of 0.64 mm (25 mils) of extruded polyethylene. The minimum thickness at any point shall not be less than 90% of the average thickness. The physical and electrical properties of the insulation shall be as specified in Data Schedule.

4.3.3

Standard Cable Sizes and Cable Design (For Type-B) The standard telephone cable designs are unit stranded or concentric stranded. a.

Armoured Cable 1/0.5 mm. 5, 10, 12, 20, 30, 50, 100 pair cables. 1/0.63 mm. 5, 10, 12, 20, 30, 50, 100 pair cables. 1/0.7 mm 5, 10, 12, 20, 30, 50, 100 pair cables. 1/0.9 mm. 5, 7, 10, 12, 20, 30, 50, 100 pair cables.

b.

Unarmoured Cables 1/0.5 mm. 1/0.63mm 1/0.7 mm 1/0.9 mm

c.

5, 10, 12, 20, 30, 50, 100 5, 10, 12, 20, 30, 50, 100 5, 10, 12, 20, 30, 50, 100 5, 10, 12, 20, 30, 50, 100

pair cables. pair cables. pair cables. pair cables.

Unit Stranding Pairs may be unit stranded, each pair referred to by number shall be coloured to comply with Table-2. Units shall preferably be 10 pair units. Tape lappings identifying units shall be colour coded in accordance with Table-2, (other pair units in accordance with IEC 60189-2 Appendix-A will be considered).

d.

Concentric Stranding Pairs may be concentric stranded into a compact and circular cable. Each pair referred to by number shall be coloured to comply with IEC 60189-2 Appendix-A.

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4.3.4

48-TMSS-01, Rev. 0

Twinning And Laying Up Insulated conductor shall be twisted together to form pairs. To minimize cross talk, each pair shall be twisted to a length different than any other pair of the core. The length of lay shall be such that the two wires forming a pair are not disassociated by normal handling during jointing.

4.3.5

Binding Tape A suitable non-hygroscopic, heat resistant/non-combustible binding tape of appropriate thickness shall be applied over the laid-up multi-pairs as a dielectric and heat barrier. Tapes used in the cable shall be polyester or polypropylene or other approved material. Colours or markings shall be readily identifiable. Neither the tape, the colour nor the marking shall be affected by the cable constituents.

4.3.6

Individual Screen ForType-C , each pair shall be individually screened.

4.3.7

Filling a.

For Type-B The cables shall be filled with a suitable compound which shall remain stable up to 55°C. The compound shall not harm any cable component and shall not obscure the identification colours of the insulated conductors. The compound shall be readily removed by wiping the conductor during jointing, it shall be free from unpleasant odour, shall present no toxic or dermatitic hazard, nor contain prohibited material.

b.

For Type-C The cable shall be protected against ingress of water in longitudinal and radial axis and shall be water tight (fully filled) which can be achived by filling suitable jelly/compound between conductors and between pairs.

4.3.8

Inner Sheath In case of armoured cables an inner sheath as an armour bedding of extruded black polyethylene compound in accordance with national or international specifications shall be provided. The inner polyethylene sheath shall contain effective termite repellant.

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48-TMSS-01, Rev. 0

For Type A, a black polyethylene jacket shall be applied by extrusion over the cable core. The nominal thickness shall be 1.40 mm (55 mils). The minimum thickness at any point shall be not less than 90% of the nominal thickness. 4.3.9

Screening a.

For Type-A Shield shall be copper tape with a minimum thickness of not less than 0.254mm (10 mils). The copper tape shall be smooth when applied on inner jacket with a positive overlap.

b.

For Type-B Cable shall be supplied with an aluminum foil moisture barrier laminated with the inner sheath rendering this acceptable as a screen also. If specified in the order or project specifications, an improved screening factor shall be provided for both armoured and unarmoured cables, the cable shall be better screened using aluminum tapes applied in one of the following 3 ways: i.

A nominal 75 micrometer tape applied with a suitable lay and an overlap of not less than 30%.

ii.

Two nominal 75 micrometer tapes applied with a suitable lay in the same direction.

iii.

c.

A nominal 150 micrometers tape applied longitudinally with an overlap of not less than 6.5 mm. For Type-C

The cable shall be provided with on overall screen in addition to individual pair screen. 4.3.10

Armour a.

For Type-B Armoured cable shall be supplied with galvanized steel wire armouring, each wire being nominally 1.78 mm diameter, and a sheath laminated aluminum screen. This type of armouring and screening shall be supplied on armoured cables unless the accompanying order or Project Specification specifies differently. In such a case, one of the following 3 methods may be adopted.

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i.

Steel tape armour, minimum thickness of tape 0.2 mm. Two such tapes shall be helically wrapped around the inner polyethelene sheath. The inner tape shall be open helix covered by an outer overlapping tape.

ii.

Corrugated steel armour.

iii. b.

48-TMSS-01, Rev. 0

Aluminum armour wires coated with a waterproof compound. For Type-C

The cable shall be provided with armour. The armour shall be double galvanized steel wires. 4.3.11

Water Blocking/ Moisture Barrier The cable shall be protected against ingress of water in longitudinal and radial axis ( For Type-A & C). The cable shall be supplied with an aluminum foil moisture barrier laminated with the inner sheath rendering this as a screen also (For Type-B).

4.3.12

Outer Sheath Outer sheath of black polyethylene containing an effective termite repellent and protected against rodents shall be provided. Dimensions of the outer sheath shall be such that the requirements of voltage withstand are met. For Type-A Outer jacket shall have a minimum thickness of not less than 1.52 mm (60 mils). Jacket shall be black polyethylene extruded over the assembly. The other requirements of the jacket shall be as specified in Data Schedule.

4.4

48TMSS01R0/YM

Marking 4.4.1

Conductor insulation shall be black and white for pairs.

4.4.2

Each pair shall be individually numbered in multiple conductor cables.

4.4.3

The inner and outer jacket shall be colored black.

4.4.4

The outer jacket for all the cables shall be durably marked at intervals not exceeding one meter with the following minimum information: Date of Approval: August 21, 2006

PAGE NO. 9 OF 27

48-TMSS-01, Rev. 0


i. ii. iii. iv. v. vi vii.

5.0

2

Conductor, no. of pairs, size in mm and material. Type of insulation. Insulation thickness, mm The manufacturer's name or trademark. Year of manufacture. SEC ELECTRIC CABLE - TELEPHONE 48-TMSS-01

TESTS All test results shall be provided for review and approval by SEC. 5.1

Type (Design) Tests All type (design) tests prescribed in the relevant standards as listed under clause 3.0, shall be performed on a pilot cable having same design, arrangement and ratings as of those to be supplied or on the first unit of every new design, rating or size to be supplied to SEC. Certified test report of type (design) tests performed on a complete pilot cable having same design, arrangement and ratings as of those supplied earlier and acceptable to SEC, may be submitted for review and acceptance in lieu of the required type (design) tests above.

5.2

Routine (Production) Tests All routine (production) tests prescribed in the relevant standards as listed under clause 3.0 shall be performed on assemblies and on individual components.

5.3

Electrical Data and Test Voltage The test voltages shall be specified in Data Schedule.

5.4

Voltage withstand (For Type-B&C) All cables to this specification shall have a voltage withstand capability of 15 kV which means that a standard drum length of cable shall tolerate a sinusoidal wave form at a frequency of 60 Hz applied as follows : The voltage shall be increased gradually and maintained continuously for one minute at the RMS values specified below:

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48-TMSS-01, Rev. 0

5.4.1

10 kV between each conductor and the remaining conductors connected to the armour and earthed.

5.4.2

15 kV between all conductors bunched and the armour which shall be earthed (the voltage shall be maintained for 3 minutes).

No breakdown of insulation shall occur. As a special provision, a DC test voltage 1.5 times the AC test voltage applied for one minute is acceptable. 5.5

Capacitance Unbalance (For Type-B) The maximum corrected capacitance unbalance between adjacent pairs shall not exceeded 500 PF per 500m, measured as follows: 5.5.1

Pair to pair capacitance unbalance measurements shall be made at audio frequency. During measurement all conductors other than those under test and where present the screen and armour shall be connected to earth.

5.5.2.

The measurements shall be corrected as follows, L being the length in metres of the cable under test. Lengths less than 100 metres shall be considered as 100 metres. The measured value shall be divided by : 1⎡

⎢

L

2 ⎣ 500

+

⎤ ⎥ 500 ⎦ L

The measured values of capacitance unbalance shall cable documentation. 5.6

48TMSS01R0/YM

be supplied with the

Mutual capacitance (For Type-B) 5.6.1

The average mutual capacitance of pairs shall not exceed 67 nF/km, except in the case of 0.9 mm conductor where 71 nF is acceptable.

5.6.2

The mutual capacitance shall be measured at a suitable audio frequency. During the measurement all conductors other than those under test and where present the screen and armour shall be connected to earth.

5.6.3

The mean value shall be supplied with the cable documentation.

5.6.4

The method of measurement is described in Sub-Clause 5.4 of IEC Publication 60189-1.


PAGE NO. 11 OF 27


5.7

5.8

48-TMSS-01, Rev. 0

Insulation Resistance (For Type-B) 5.7.1

The insulation resistance shall be measured between each conductor and all other conductors connected together. Where screen and armour are present they shall also be connected to the other conductors.

5.7.2

After application of 500 V DC for one minute, the measured value shall be not less than 1000 MΩ/km at 20°C.

5.7.3

The value shall be supplied with the cable documentation.

Attenuation (For Type-B) Suppliers shall state the expected nominal attenuation figures at 300, 800, 1000, 2000, 2500, 3400 Hz in db/km at 10°C. Tables shall be submitted for each size and type of cable to be supplied

5.9

5.10

5.11

Insulation Resistance Characteristics (For Type-C) 5.9.1

Insulation resistance between each conductor and remainder connected together and to the copper screen and armor. The resistance will be measured after not less than one minute of steady electrification at 1,000 V DC. Value: Min 20,000 MΩ/km

5.9.2

Insulation resistance between screen and earth under the same conditions as above.

5.9.3

Value: more than 200 MΩ/km

Conductor Resistance (For Type-C) 5.10.1

The loop resistance of each conductor of each drum length of cable shall be not more than 37 Ω/km at 20°C.

5.10.2

Resistance unbalance of conductors in a pair shall not be more than 1%.

5.10.3

Resistance unbalance of any two pairs shall not be more than 2%.

Capacitance Requirements (For Type-C) 5.11.1

48TMSS01R0/YM

Max 50 nF/km for protection and control pairs measured at 800 Hz. The average effective capacitance of all the pairs in a factory length shall not differ from rated value by more than ± 4%.


PAGE NO. 12 OF 27


5.11.2

5.12

48-TMSS-01, Rev. 0

Capacitance unbalance between within a two pairs circuit in the cable tested at 800 Hz will not exceed 200 pF for 200 m length.

when

Cross-talk (For Type-C) The minimum value for far end and near end cross-talk ratio between any two circuits will be 60 dB (at 800 Hz) for 1500 m length and shall be tested and proved after installation.

5.13

Factory Tests (For Type-C) 5.13.1

As per IEC 60229 & 60811 : a. b. c. d. e. f.

5.13.2

Voltage Test On Cable

i.

Protection Core a. b.

ii.

Each Conductor/ All Conductors And Screen 15 kV AC/1 Min Conductor/Armour & Common Screen 15 kV AC/1 Min.

Control Core a. b. c. d. e. f.

6.0

Dimensional Test. Conductor Resistance Test. Insulation Resistance Test. Capacitance Measurement Test. Capacitance Unbalance Test At 800 Hz. Cross-Talk Attenuation Test: Far End & Near End At 800 Hz

Core/Core (of each Pair) 2.5 kV AC/1 Min Each Pair/All Pairs 2.5 kV AC/1 Min All Conductors/Armour & Common Screen 15 kV AC/1 Min. DC Sheath Test 25 kV DC/1 Min DC Sheath Test (Sample) 25 kV DC/1 Min (Test Made After Test Object Kept In Water For 1 Hour) Spark Test 15 kV AC/1 Min

PACKING AND SHIPPING The cable shall be supplied with sealed ends on a non returnable drum. The cable drums shall be arranged to take a round spindle and be lagged with strong closely fitting battens, so as to prevent cable damage. The lengths shall be so drummed that the rotation of the pairs at the running end (in the case of concentric cables) shall be clockwise and marked red. The anti-

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48-TMSS-01, Rev. 0

clockwise inner end shall be marked green. Each drum shall bear the following information, branded, painted or neatly chiseled on one outer flange. a. b. c. d. e. f. g. h.

Drum number Type of cable Length Conductor size Number of pairs Gross & net weights Year and month of manufacture 48-TMSS-01, Rev. 0

Drum lengths are specified in the accompanying order or project specification where appropriate. Suppliers shall state the drum spindle hole dimensions at the time of tender.

Table– 2 (For Type-B) Color Scheme of Pairs and Unit Marker Tapes in Unit Stranded Cables

Pair Number

48TMSS01R0/YM

1

Colour A wire White

Colour B wire Blue

2

White

Orange

3

White

Green

4

White

Brown

5

White

Grey

6

Red

Blue

7

Red

Orange

8

Red

Green

9

Red

Brown

10

Red

Grey


PAGE NO. 14 OF 27


48-TMSS-01, Rev. 0

UNIT MARKER TAPE COLOURS (For Type-B)

Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

48TMSS01R0/YM

Blue Orange Green Brown Grey

Unit 6 Unit 7 Unit 8 Unit 9 Unit 10

Blue/Red Orange/Red Green/Red Brown/Red Grey/Red


PAGE NO. 15 OF 27

48-TMSS-01, Rev. 0


7.0

DATA SCHEDULE

PILOT WIRE CABLE (TYPE-A) (Can also be used for Type B&C cables) SEC Enquiry No.

Date:

SEC Purchase Order No. or Contract No.

Date:

SEC PTS No./Project Title with J.O. No. REFERENCE SECTION NO.

3.0

DESCRIPTION

'A'

'B'

'C'

APPLICABLE CODES AND STANDARDS *

4.0

DESIGN AND CONSTRUCTION REQUIREMENTS Catalog number of cable (If applicable)

*

Type number of cable (If applicable)

*

'A'- SEC SPECIFIED DATA/PARAMETER. 'B'- BIDDER/SUPPLIER/VENDOR/CONTRACTOR PROPOSED DATA/PARAMETERS. 'C'- REMARKS SUPPORTING THE PROPOSED DEVIATION IN COLUMN 'B'. (*)- DATA/PARAMETER TO BE PROVIDED/PROPOSED BY TH E BIDDER/SUPPLIER/ VENDOR/CONTRACTOR IN COLUMN 'B'.

48TMSS01R0/YM


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48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE

REFERENCE SECTION NO.

4.0

4.1

4.2

DESCRIPTION

'A'

'B'

'C'

DESIGN AND CONSTRUCTION REQUIREMENTS

CONDUCTOR Conductor pairs (Number)

*

Diameter of conductor (mm)

*

Conductor DC resistance measured at, or corrected to 20ºC, (ohms/km)

≤28

INSULATION Material

*

Minimum thickness of conductor insulation (mm)

*

Nominal outer diameter of pair (mm)

*

The insulation shall have the following physical properties in accordance with ICEA S-61-402. Tensile strength, (g/mm²)

48TMSS01R0/YM

≥1758


PAGE NO. 17 OF 27

48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

Elongation at rupture, (%)

'A'

'B'

'C'

≥300

Aging requirements

After air oven test at 100 ºC ± 1 ºC for 48 hours tensile strength and elongation at rupture, percentage of unaged value ( % ) The insulation shall have the following electrical property according to ASTM D1248, Table 3, Type III, Class C, E11. Dielectric constant 4.3

4.4

≥75

≤2.85

BINDING TAPE Material Thickness (mm)

* *

INNER JACKET Material Minimum thickness (mm

* *

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48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE

REFERENCE SECTION NO. 4.5

DESCRIPTION

'B'

'C'

METALLIC SHIELD Minimum cross sectional area (mm ²) Minimum thickness (mm)

4.6

'A'

* *

OUTER JACKET Material Minimum thickness (mm) Minimum overall diameter of cable (mm) Maximum overall diameter of cable (mm) Bending radius (mm) Black Polyethylene jacket requirement shall be in accordance with ICEA S-61-402 2

* * * * *

Tensile strength (g/mm )

1758

Elongation or rupture (%)

300

After air oven test at 100 ºC ± 1ºC for 48 hours, the jacket shall have a tensile strength and an elongation at rupture, percentage of unaged value (%)

≥75

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48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

Heat distortion (90 ºC ± 1ºC) (%) Environmental cracking

4.7

'A'

'B'

'C'

≤25 NO CRACKS

Absorption coefficient, (milli absorbance/meter)

≥320

COMPLETED CABLE a. In a completed cable the insulation, resistance at 20 ºC, shall not be less than (mega ohms/km)

16000

b. The average mutual capacitance (core to core) at 1000 Hz Cable average for 6 and 12 pairs (mF/km)

0.052 ± .004

Individual pair for 6 and 12 pairs (mF/km)

0.052±.007

Individual pair for 6 and 12 pairs (mF/km)

0.052±.007

Cable Average for 18 pairs & larger (mF/km )

0.052 ±.003

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48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

Individual pair for 18 pairs & larger (mF/km )

'A'

'B'

'C'

0.052 ± .004

c. The pair to pair capacitance unbalance at 1000 Hz between adjacent pairs in the same layer and between the first layer and the center when the center has six pairs or less shall not exceed the following values: Max. Average Unbalances (pF/km)

36

Max. Individual unbalances (pF/km)

145

For lengths other than one kilometer the pair-to-pair capacitance unbalance shall be converted to one kilometer by dividing the unbalance for the length measured by the square root of the ratio of the measured length to one kilometer.

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48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

'A'

'B'

'C'

d. Pair-to-ground direct capacitance unbalance on the completed cable at 1000 Hz shall not exceed Max. Average Unbalance (pF/km)

600

Max. Individual Unbalance (pF/km)

3300

The Pair-to-ground direct capacitance unbalance is assumed to vary directly with cable length e. Dielectric Strength In each length of completed cable, the insulation between conductors shall be capable of withstanding for three seconds (Vdc)

The insulation between the shield and conductors in the core for cables with an inner jacket shall withstand for three seconds a potential of (Vdc)

48TMSS01R0/YM

4500 Min.

20000


PAGE NO. 22 OF 27

48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

'A'

f. The conductor resistance unbalance in cables having 25 pairs or more For cable average (%)

'B'

'C'

≤1.2

For individual pair (%)

≤4.0

g. The total number of irregular pairs that do not conform to the requirements of 4.7.a through 4.7.f, shall not exceed the following:

CABLE SIZE (NO. OF PAIRS) 100 and less 150 to 300 400 600 900

48TMSS01R0/YM

ALLOWABLE IRREGULAR PAIRS 1 2 3 4 5


PAGE NO. 23 OF 27

48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

'A'

'B'

'C'

ELECTRICAL DATA& TEST VOLTAGES Minimum withstand voltage for 3 seconds (kV)

*

Minimum withstand voltage for 1 minute (kV)

*

Minimum withstand voltage for 10 minutes (kV)

*

Maximum withstand voltage for 3 seconds (kV)

*

Maximum withstand voltage for 1 minute (kV Maximum withstand voltage for 10 minutes (kV)

*

Maximum withstand voltage between pair to pair for 3 sec. (kV)

*

Maximum withstand voltage between conductor to metallic shield for 3 sec. (kV)

*

Maximum withstand voltage between metallic shield to ground for 3 sec. (kV)

*

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48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

'A'

Conductor DC resistance at 20ºC per km (ohm/km)

*

Effective capacitance between conductor of each pair ( µF/km)

*

Minimum insulation resistance 20 ºC (Megohm/km)

*

Maximum attenuation of pair at 1 kHz (dB/km)

*

Continuous withstand AC voltage between conductor (kVrms)

*

Continuous withstand AC voltage between pairs (kVrms)

*

Continuous withstand AC voltage between conductor and metallic shield (kVrms)

*

Impulse withstand voltage between conductor and metallic shield (kV ps)

*

48TMSS01R0/YM


'B'

'C'

PAGE NO. 25 OF 27

48-TMSS-01, Rev. 0


7.0 DATA SCHEDULE

PILOT WIRE CABLE


DESCRIPTION

'A'

'B'

'C'

DIMENSIONS AND WEIGHTS Delivery length per drum(m)

Weight of cable

(kg/km)

Diameter of full drum (m)

Width of full drum (m)

48TMSS01R0/YM

*

*

*

*


PAGE NO. 26 OF 27


7.0

48-TMSS-01, Rev. 0

DATA SCHEDULE

PILOT WIRE CABLE A.

ADDITIONAL TECHNICAL INFORMATION OR FEATURES TO BE FURNISHED BY SEC:

B.

ADDITIONAL SUPPLEMENTARY DATA BIDDER/VENDOR/SUPPLIER/CONTRACTOR:

C.

OTHER PARTICULARS TO BE FILLED UP BY BIDDER/VENDOR/SUPPLIER/ CONTRACTOR:

OR

Actual Manufacturer of Equipment/Material

FEATURES

PROPOSED

BY

Vendor/Supplier/ Contractor

Name of the Company Location and address

Name and Signature of authorized representative and date

Official Seal/Stamp of the Company & Date 48TMSS01R0/YM


PAGE NO. 27 OF 27

48-TMSS-01-R0

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