. .

:

: (Drawing)

: (Stranding)

: (Insulating)

: (Assembly)

: (Bedding or inner sheathing)

: Armouring))

: ( (Outer sheathing

: .

:

(Wire Drawing) :

. (coils) . . (Rod Breakdown) . .

(Die) (elongation) . . (Die series) .

(Fermentation) :

:

Two Pulleys Contact bands Carbon brushes . . . 24% ( 0.9 1.1 ) * ( /) .

400 2.6 1800 / 25 3000 . .

Stainless steel .

. .

:

Soft copper Hard copper Soft AL, Hard AL AL Alloy

: : (Stranding)

, ...

- (Solid Conductors) .

- : (Solid Conductor) :

Solid conductors :

1- (RM: Round Multiple)

7 :,_______________layers________________,No. of wires 5th 4th 3rd 2nd 1st center ...1.......+.....6...................... ................................. =..........7...1.......+.....6....+...12............ ...............................=........ .19 ...1.......+.....6....+...12...+...18... ............................=.........37...1.......+.....6....+...12...+...18... +....24..................=.........61 ...1.......+.....6....+...12...+...18... +....24...+.. 30......=.........91

....

(7,19,37,61,91) . IEC Standard BS 6360 ASTM .

2- (RMC: Round Multiple Compacted)

Smooth RM.

RM. 1st layer Die , .

3 - (SM:Sector Shaped Multiple)

Smooth

4- (Flexible Conductors)

0.2mm 0.61mm, , .

1- RM

RM 6 :

Die

. S Z Z . .

RMC -2

RMC Die RM RMC . (Cage Strand)

, . :

SM -3

SM RMC Rolls . 25mm2 . . 90 120 () ( (

Flexible-4

(Bunch) . (Bunching)

( Stranding)

1. 2. 3. 4. 25. 6.

1-

1- (1-3)

2-

1- ( 1- 6 )

2-

3-

3- ( 1- 12) 4- 12

Where alf-

- - .

-

- .

: :(Insulation Process)

(Dielectric) ( Extrusion Process) . . -- . - , ...

IEC :

a) Thermoplastic

Polyvinyl chloride intended for cables with rated voltages U0/U 1,8/3 kVPVC/A

b) ThermosettingEth ylene propylene rubber or similar EPM or EPDMERP

c) High modulus or hard grade ethylene propylene rubberHEPR

d) Cross-linked polyethyleneXLPE

Insulating compound based on polyvinyl chloride intended for cables with rated voltages U0/U = 3,6/6 kV is designated PVC/B in IEC 60502-2

:

PVC PE Extruder Extruder .

Parrel Screw .

Mesh

Cross head .

Extruder

Distributer Die

Extruder /

, (Input) TIP :

Die . TIP Die . TIP DIE , . (Extruder Head) . . .

, (Extruder) , (Extruder Head) TIPDIE . . . Drum

- . (Shrink) . . , . IEC BS .

, . .

: (Assembly):

conductor manufacturing core insulation, .

Core . Flat. , . : (1 (2 (3 + . :

Die :

:

:

Z Twist S Twist . :

. ... .

:

. Single core :

. Laying-up Filler PVC . . .

: (Bedding Layer):

, Bedding Polypropylene . Bedding

, Bedding , Outer Sheath . .

:

5 , Cores Insulation Layer, Inner Sheathing - Bedding . PVC-Type6 .

:

1) Conductor: Copper Round Multiple 2 ) (Insulation:Cross-linked polyethylene (XLPE Identification : Red, Yellow, Blue and Black color

(3 Polypropylene Filler

4 ) Binding tape Spun-bons tape

5 ) Inner sheath: Bedding layer -Polyvinyl chloride (PVC) Type6

(6 Armor Galvanized steel wire

(7 Binding tape-Spun-bond tape 8 ) Outer sheath: Polyvinyl chloride (PVC), ()

multi-core sector shaped

single-core

Bedding Extrusion Machine . -Insulation. .

: (: (ARMOURING

:: : .

:: ferromagnetic : non-ferromagnetic

. . , ... . , .

single core , . .

non-ferromagnetic . .

- -galvanized steel .

H14 ... Single Core Cable.

:

Bedding input head :

head . Die . output .

, laying up... . :

. . . .

bedding , 0.9 , . : IEC 60502-1 5467 BS.

,

: (Sheathing Process):

, (PVC) . 1.5 3.0 .

3 . () insulation. . PVC , , .

, (CU/XLPE/SWA/PVC) (JORDAN NEW CABLE) (2008) (BS 5478) , . .

.

: :

1. (TANDEM LINE) .2. 2.5 (0.4 0.5 0.6 0.9 00 ) .3. .4. .5. (Preheating) .6. : 1- (foam/skin insulation) : 2 : (cellular polyethylene) () (solid polyethylene) .2- (insulation solid) : (solid polyethylene) .7. .8. - .

1. .2. .3. .4. .5. .6. .7. .8. .9. .10. .11. . (INSPECTED OK NO.) : .( .)

:

() (Stare Quad) () . : . . . . . . . (QUADDING) :1. .2. .3. s-z .4. .5. . : :1- : :1. .2. .3. ( ) .4. .5. .

2- :

RCD :1. . ( R1 & R2 )2. (DR1 & DR2 ) .3. (DC) . (TESTED OK NO. ) .

: (POURTIER) :

(unit) 50 100 (pourtier) DT1400 DT1650 (layers) (subunit) 10 . (unit) . : . . . . . . . . .

(POURTIER) :1- ( ) .2- .3- S Z .4- .5- .6- .7- .

: (Jelly filling) :

(UNIT) 50 100 ( ) .

(Jelly filling) : .

(continuity) ( ) .

(TESTED NO OK .) .

: (DT2400) :

(unit) 50 100 DT1400 (pourtier) DT650 .

(DT2400) :1- ( 50 100) .2- .3- S Z .4- .5- .6- 7- (overlap) .

:

.

:1- (R1 & R2) .2- (DR1 & DR2) .3- ( C1 & C2) .4- (K1) .5- (K9 ,K10 ,K11 ,K12) .6- (E1 ,E2) .7- insulation resistace

sheet . . PVC cables XLPE cables, XLPE PVC , XLPE derating factorsderating factors cable tray cable tray : .

2- : Single Core Three-Cores . : . : Belt Screen .2-1 ( ): . (16) 2 IEC Resistivity Annealed 1.724 20 100% 160% .

2-2- : Polymeric Materials :- Thermoplastics: . PVC 3 . : 70 160 .- Thermosettings: (XLPE) 90 250 Corona 3 . (1) . (1) :

: XLPE HEPR SR

: PVC PE

2-3 : Shielding(Metallic Sheath (1 IEC-5022 NEC1993) ( - - ) :- - .- - Extruded Lead Sheath. . :- - - - - -

2-4- : : : Extruded jacket XLPE , PVC Fiber Braids . Saturant . : . Armouring : Interlock