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Independent test laboratory, accredited by Deutsche Akkreditierungsstelle Technik (DATech) e.V. in the fields of h.v. apparatus and switchgear, power cables and power cable accessories, l.v. apparatus and switchgear, installation equipment and switching and control equipment. Institut „Prüffeld für elektrische Hochleistungstechnik“ GmbH (IPH Berlin) is a subsidiary of CESI S.p.A, Milan.
Independent, accredited testing station · Member laboratory of STL and LOVAG
TYPE TEST REPORT
NO. 3149.2090352.0530
HES Hacilar Elektrik Sanayi ve Ticaret A.Ş. Erciyes Mah. HES Cad. No:22 38210 Kayseri TURKEY
CLIENT
HES Hacilar Elektrik Sanayi ve Ticaret A.Ş.
MANUFACTURER
Medium voltage cross-linked PE (SLPE) insulated power cable
TEST OBJECT
YXC7V-R (N2XSY) 1x35/16 mm² 20.3/35 kV
TYPE
Test sample
SERIAL NO.
Rated voltage Max. operating voltage
Uo/Um Um
20.3/35 42
kV kV
RATED CHARACTERISTICS GIVEN BY THE CLIENT
IEC 60502-2: 2005-03
NORMATIVE DOCUMENT
Type tests on cable
RANGE OF TESTS PERFORMED
May 2009 to July 2009
DATE OF TEST
The tests have been PASSED.
TEST RESULT
H. ZINNBAUER Head of Centre of Competence High-Power/High-Voltage
G. BROSE Test engineer in charge
Berlin, 21 October 2009
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 2
This test document consists of 28 sheets. Distribution Copy No. 1 Copy No. 1 in English: HES Hacilar Elektrik Sanayi ve Ticaret A.Ş.
The test results relate only to the object tested.
This document is confidential. Its transfer to third parties as well as its reproduction in extracts require the consent of the client.
Contents Sheet
1. Present at the test............................................................................................................................................................. 3
2. Place of test ........................................................................................................................................................................... 3
3. Identity of test object...................................................................................................................................................... 3
4. Type tests, electrical on the cable ......................................................................................................................... 4
4.1 Partial discharge test at ambient temperature .................................................................................................................................................... 5
4.2 Bending test followed by a partial discharge test ......................................................................................................................................... 6
4.3 Tan δ measurement at 5 °C to 10 °C above the maximum conductor temperature ........................ 7
4.4 Heating cycle test followed by a partial discharge test......................................................................................................................... 8
4.5 Lightning impulse voltage test at a maximum conductor temperature ranging from 95 °C to 100 °C.................................................................................................................................................................................................................................................. 9
4.6 Power-frequency voltage test for 4 h.............................................................................................................................................................................11
4.7 Resistivity of semi-conducting screens before and after the ageing treatment..........................................12
5. Type tests, non-electrical on the cable........................................................................................................... 13
5.1 Measurement of thicknesses and check of cable construction .......................................................................................14
5.2 Tests for determining the mechanical properties of the insulation before and after ageing .............................................................................................................................................................................................................................................................................17
5.3 Tests for determining the mechanical properties of the PVC oversheath before and after ageing .............................................................................................................................................................................................................................................................................18
5.4 Ageing tests on pieces of complete cables to check compatibility of materials.....................................19
5.5 Loss of mass test on PVC oversheath of type ST2.......................................................................................................................................20
5.6 Pressure test at high temperature on the PVC oversheath..........................................................................................................20
5.7 Test on sheath at low temperature ..................................................................................................................................................................................21
5.8 Test for resistance of PVC sheath to cracking (heat shock test) ..........................................................................................21
5.9 Hot set test for XLPE insulations..............................................................................................................................................................................................22
5.10 Water absorption test on insulation................................................................................................................................................................................23
5.11 Flame spread test on single cables ..................................................................................................................................................................................23
5.12 Shrinkage test for XLPE insulation........................................................................................................................................................................................24
6. Sketches/Drawings/Data sheet......................................................................................................................... 25
7. Photo....................................................................................................................................................................................... 28
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 3
1. Present at the test
Mr. Brose IPH test engineer in charge
2. Place of test
IPH, High-voltage test laboratory, test bay no. 1, test bay no. 3, high-voltage hall no. 2
3. Identity of test object
The tests were carried out on a cable sample with markings of manufacturer and year of manufacture as follows:
„00966 HES YXC7V-R 1x35/16 mm² 20.3/35 kV TSEK 22/03/2009 01 TEDAS“. Construction, please see attached sketch.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 4
4. Type tests, electrical on the cable
Tests performed a) Partial discharge (PD) test b) Bending test followed by a partial discharge test c) Tan δ measurement at 5 °C to 10 °C above the maximum conductor temperature d) Heating cycle test followed by a partial discharge test at ambient temperature e) Lightning impulse test at elevated maximum conductor temperature followed by a voltage test f) Power-frequency voltage test for 4 h g) Resistivity of semi-conducting screens
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 5
4.1 Partial discharge test at ambient temperature
Normative document
IEC 60502-2: 2005-03, Sub-clause 18.1.4 Test and measuring circuits
Technical data of test circuit Test transformer: Rated voltage 125 kV Rated power 100 kVA Rated frequency 50 Hz Damping resistance 0.67 kOhm Technical data of measuring circuit Meas. point
Measured quantity Measuring sensor/device Technical parameters
1 Test voltage Capacitive divider with MU11 (TuRD) peak voltmeter
Ratio 864
2 Partial discharge level
- Coupling capacitor - CPL 542A quatripole (mtronix) MPD 540 PD measuring system (mtronix) - Calibrator of Cal 542 type (mtronix)
Ck = 1 nF
Output 10 pC
E Supply PTr Test transformer with variable transformer connected in series Zs Blocking impedance Ck Coupling capacitor Zm Measuring impedance C-T. Capacitive divider HE Auxiliary sealing end 1, 2 Measuring points PO Test object
Zs
2
Zm
1
HE HE
PO
E PTr Ck
C-T.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 6
Measured values The calibration was at 5 pC.
Test voltage
in kV
Noise level
in pC
PD initiation
in kV
PD at test voltage in pC
PD interruption
in kV
Required sensitivity
in pC 2xUo 40.6 1)
1.73xU0 = 35.2 ≤ 1 pC - 1.2 pC - ≤ 5 pC
1) Measured value during 2Uo 40.6 for 10 sec. Test results The test has been PASSED.
4.2 Bending test followed by a partial discharge test
Normative document IEC 60502-2: 2005-03, Sub-clause 18.1.3 The test was carried out at IPH. The cable sample with a length of more than 10 m was three times bended around a test cylinder and unwound in each direction around the required test diameter at ambient temperature.. For this, each sample part was bend and afterwards unwound and again bend and unwound in the opposite direction. Required test parameters
The bending diameter was calculated using the equation D ≤ 20 (d + D) 5 %.
D = cable diameter in mm
d = conductor diameterin mm
Bending diameter in mm
Chosen diameter in mm
33.5 7.4 817 803
Partial discharge test at ambient temperature after bending test
Technical data of measurement circuit See Sub-clause 4.1
Measured values The calibration was at 5 pC.
Test voltage
in kV
Noise level
in pC
PD initiation
in kV
PD at test voltage in pC
PD interruption
in kV
Required sensitivity
in pC 2xUo 40.6 1)
1.73xU0 = 35.2 ≤ 1 pC - 1.2 pC also - ≤ 5 pC
1) Measured value during 2Uo 40.6 for 10 sec. Test results The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 7
4.3 Tan δ measurement at 5 °C to 10 °C above the maximum conductor temperature
Normative document
IEC 60502-2: 2005-03, Sub-clause 18.1.5 Test and measuring circuits
Technical data of test circuit Test transformer: Rated voltage 100 kV Rated power 100 kVA Rated frequency 50 Hz Technical data of measuring circuit Measured quantity Measuring sensor/device Technical parameters
Test voltage HV divider (Haefely) Inv. No. 11228/6, Cal. No. 12315 MU11 peak voltmeter (TUR Dresden)
-
Tan δ MWB measuring bridge Cal. No. 7524
-
Standard capacitor Compressed gas capacitor Cal. No. 12314
C = 57.02 pF
Tr High-voltage test transformer with variable transformer C-T. Capacitive divider P Peak voltmeter PO Test object C Standard capacitor tan tan- measuring bridge HT Heating transformer T Temperature measurement Measured values
Test temperature: 95 °C to 100 °C
Test voltage Measured tan δ tan δ required
3 kV 10.3 x 10-4 ≤ 40 x 10 - 4
Test results
The test has been PASSED.
Tr C-T.
P
HT
C PO
tan
TDummy
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 8
4.4 Heating cycle test followed by a partial discharge test
Normative document
IEC 60502-2: 2005-03, Sub-clause 18.1.6 Test and measuring circuits
PO Test object S Copper screen H T Heating transformers T Temperature measurement Number of cycles: 20 Minimum 5-hours heating period, minimum 3-hours natural cooling Test temperature: 95 °C to 100 °C at the conductor The test set-up was subjected to 20 heating cycles. During the cyclic load, the cable was heated to a minimum conductor temperature ranging from 95 °C to maximum 100 °C. The temperature was maintained constant for 2 hours. Subsequently, the cable was naturally cooled during 3 hours. The conductor temperature was continuously checked at the dummy. Partial discharge test at ambient temperature after heating cycle
Technical data of measurement circuit
See Sub-clause 4.1 Measured values
The calibration was at 5 pC.
Test voltage
in kV
Noise level
in pC
PD initiation
in kV
PD at test voltage in pC
PD interruption
in kV
Required sensitivity
in pC 2xUo 40.6 1)
1.73xU0 = 35.2 ≤ 1 pC - 1.2 pC also
- ≤ 5 pC
1) Measured value during 2Uo 40.6 for 10 sec. Test results
The test has been PASSED.
HT
PO
Dummy T
HT
PO
Dummy T
S
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 9
4.5 Lightning impulse voltage test at a maximum conductor temperature ranging from 95 °C to 100 °C
The test circuit was heated to a conductor temperature of (95+5) C. After the conductor temperature had stabilized at least 2 h, a lightning impulse voltage test according to IEC 60060 and IEC 60230 was carried out, i.e. the test circuit was subjected to 10 impulses of each polarity, Up = 190 kV (2.62/49.6 μs). Normative document
IEC 60502-2: 2005-03, Sub-clause 18.1.7
Impulse voltage test at high temperature followed by a voltage test
Technical data of test circuit Impulse circuit: Number of stages n = 2 Impulse capacitance CS = 70 nF Loading capacitance CB = 1.5 nF Damping resistance RD = 130 Discharge resistance RE = 1100
Technical data of measuring circuit
Measuring point Measured quantity Measuring sensor/device Technical parameters
1 Test voltage R divider of SMR 10/770 type (TuRD) with digital measuring instrument of DMI 551 type (Haefely) and TDS 220 digital oscilloscope (made by Tektronix)
Ratio 466.9
Gl Rectifier CB Loading capacitance CS Impulse capacitance PO Test object ZFS Spark gap 1 Measuring point RE Discharge resistance HT Heating transformers RD Damping resistance T Temperature measurement
HT
PO
DummyT
CS RE CB
+ / -
Gl ZFS RD
~ 1
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 10
Measured values
Test voltage Up in kV
Lightning impulse voltage,
positive polarity
Lightning impulse voltage,
negative polarity
Number of impulses
Result
x 10 190
x 10
No disruptive, no discharge
Power-frequency voltage test during the cooling
Test voltage AC 71 kV for 15 min. Test results
No breakdown was occurred. The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 11
4.6 Power-frequency voltage test for 4 h
Normative document
IEC 60502-2: 2005-03, Sub-clause 18.1.8 Test and measuring circuits
Technical data of test circuit Single-phase AC voltage source Test transformer: Rated voltage 125 kV Rated power 100 kVA Rated frequency 50 Hz Damping resistance 0.67 kOhm Technical data of measuring circuit
Measuring point Measured quantity Measuring sensor/device Technical parameters
1 Test voltage Capacitive divider with MU11 (TuRD) peak voltmeter
Ratio 864
E Supply PTr Test transformer with variable transformer connected in series RD Damping resistance P Peak voltmeter PO Test object Power-frequency voltage test
Test voltage AC 81.2 kV for 4 h Test results
The test has been PASSED.
P
PTr E
RD
PO
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 12
4.7 Resistivity of semi-conducting screens before and after the ageing treatment
Normative document
IEC 60502-2: 2005-03, Sub-clause 18.1.9 Test arrangement
As described in IEC 60502-2, Annex C Test equipment and measuring instruments
Heating cabinet No. 18 for ageing treatment, calibration No. 9977 Heating cabinet No. 21 for measurement, calibration No. 10060 DC voltage supply HP E 3610A, Inv. No. 10642/01 Multimeter Fluke 8050A Inv. No. 10866/02, calibration No. 9762 Measured values
Resistance in Ohm m Semi-conducting screen Before ageing After ageing at 100 °C Requirement
Inner 676 602 1000 Outer 44 43 500
Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 13
5. Type tests, non-electrical on the cable
Test performed a) Measurement of thicknesses and check of cable construction b) Tests for determining the mechanical properties of insulation before and after ageing c) Tests for determining the mechanical properties of the PVC oversheath before and after ageing d) Ageing tests on cables to check compatibility of materials e) Loss of mass test on PVC sheaths of type ST2 f) Pressure test at high temperature on sheath g) Test on sheath at low temperature h) Test for resistance of PVC sheath to cracking (heat shock test) i) Hot set test for XLPE insulations j) Water absorption test on insulation k) Flame spread test on single cables l) Shrinkage test for XLPE insulation
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 14
5.1 Measurement of thicknesses and check of cable construction
Normative document
IEC 60502-2: 2005-03, Sub-clauses 19.1, 19.2
Measuring instruments
Profile projector
PVC oversheath
Marking 00966 HES YXC7V-R 1x35/16 mm² 20.3/35 kV TSEK 22/03/2009 01 TEDAS
Colour Red Material PVC
Diameter mm
Thickness mm
Measured values 33.21 33.95 33.79 2.19 2.11 2.18 2.08 2.36 2.48
Required nominal value by IEC 60502-2 Without 2.0
Required nominal value by manufacturer 34 ± 2 2.0
Measured average value 33.65 2.23 Measured minimum value 33.2 2.08 Required minimum value by IEC 60502-2 Without 1.61
Tape
Measured values Nominal values Number of tapes 1 No data Width x thickness mm 60 x 0.05 No data Overlap mm 8 No data
Copper screen
Measured values Nominal values given by manufacturer
Wires Diameter over screen mm 29 Approx. 30.2 Number of wires 60 60 Diameter of wires mm 0.57 0.55 Copper helix Number of tapes 1 1 Width x thickness mm 10 x 0.1 10 x 0.1 Cross sectioninclusive copper helix mm² 16.3 Min. 16
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 15
Semi conductive tape
Measured values Nominal values Number of tapes 1 No data Width x thickness mm 50 x 0.2 No data Overlap 0 No data
Dimension of core
Measuring instruments
Profile projector inventory No. 10609/01 with calibration disk, inventory No. 10614/01 Outer semi-conducting screen
Diameter in mm
Thickness in mm
Measured values 27.41 27.49 27.79 0.57 0.59 0.54 0.48 0.46 0.58
Nominal value required by manufacturer 27.4 0.6
Minimum measured value -- 0.46 Average 27.6 0.54 Maximum measured value -- 0.59
XLPE insulation
Diameter in mm
Thickness in mm
Measured values 26.36 26.44 26.66 8.78 8.89 9.25 9.53 9.32 9.17
Nominal value required by manufacturer Approx. 26.2 9.0
Minimum value to IEC 60502-2 -- 8.0
Minimum measured value 26.36 8.78 Average measured value 26.5 9.13
Centricity -- 0.08 Requirement -- ≤ 0.15
Inner semi-conducting screen
Diameter in mm
Thickness in mm
Measured values 8.23 8.23 8.24 0.54 0.55 0.54 0.55 0.55 0.55
Nominal value required by manufacturer 8.2 0.6
Minimum value required by manufacturer -- 0.3
Average measured value 8.23 0.6
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 16
Stranded copper conductor
Measured values Required values by IEC 60228
Diameter measured value 7.17 mm 7.01 mm -- Diameter average value 7.09 mm Min. 6.6 mm Max. 7.5 mm Number of core conductors 7 7
Conductor resistance
Normative document
IEC 60502-2: 2005-03; IEC 60228 Measured values at ambient temperature
Measured value Ω/km at 20 °C
Max. permissible value Ω/km at 20 °C
0.512 0.524
Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 17
5.2 Tests for determining the mechanical properties of the insulation before and after ageing
Type of compound: XLPE Normative documents
IEC 60502-2: 2005-03, Sub-clause 19.3 Testing device
Tensile test machine Zwick Z 1435, heating cabinet No. 4 Measured values before ageing
Sample No. Tensile strength in N/mm²
Elongation at break in %
1 17.16 455 2 22.76 503 3 17.05 451 4 16.45 437 5 20.21 483 6 18.99 477
Median 18.07 466 Requirements Min. 12.5 Min. 200
Measured values after ageing treatment
Treatment: 135 °C, 7 days
Sample No. Tensile strength in N/mm²
Elongation at break in %
1 18.55 493 2 21.07 510 3 17.60 490 4 19.41 503 5 18.99 496 6 20.06 505
Median 19.20 499
Measured variation 6.3 % 7.1 %
Requirements Max. 25 % Max. 25 % Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 18
5.3 Tests for determining the mechanical properties of the PVC oversheath before and after ageing
Type of compound: ST2
Normative documents
IEC 60502-2: 2005-03, Sub-clause 19.4 Testing device
Tensile test machine Zwick Z 1435, heating cabinet No. 14 Measured values before ageing
Sample No. Tensile strength in N/mm²
Elongation at break in %
1 16.03 241 2 13.25 238 3 12.90 166 4 12.90 231 5 13.47 238 6 13.59 222
Median 13.36 234 Requirements Min. 12.5 % Min. 150 %
Measured values after ageing treatment
Treatment: 100 °C, 7 days
Sample No. Tensile strength in N/mm²
Elongation at break in %
1 12.24 193 2 12.86 202 3 12.42 216 4 12.99 204 5 12.71 177 6 11.99 183
Median 12.56 197 Requirements Min. 12.5 Min. 150
Variation -6.0 % 15.8 %
Requirements Max. 25 % Max. 25 % Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 19
5.4 Ageing tests on pieces of complete cables to check compatibility of materials
Normative document
IEC 60502-2: 2005-03, Sub-clause 19.5 Testing device
Tensile test machine Zwick Z 1435, heating cabinet No. 13 XLPE insulation
Treatment: 100 °C, 7 x 24 h
Sample No. Tensile strength in N/mm²
Elongation at break in %
1 15.71 434 2 15.26 423 3 16.21 431 4 16.98 448 5 18.47 463 6 16.52 444
Median 16.36 439
Variation -9.5 % -5.8 %
Requirements Max. 25 % Max. 25 % PVC oversheath
Treatment: 100 °C, 7 x 24 h
Sample No. Tensile strength in N/mm²
Elongation at break in %
1 14.05 2,15 2 14.36 218 3 12.00 177 4 12.14 142 5 13.00 166 6 13.93 203
Median 13.46 190 Variation -9.5 % -5.8 %
Requirements Max. 25 % Max. 25 % Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 20
5.5 Loss of mass test on PVC oversheath of type ST2
Normative document
IEC 60502-2: 2005-03, Sub-clause 19.6 Testing device
Laboratory balance, heating cabinet No. 4 Treatment: 100 °C, 7 days
Sample Loss of mass mg/cm²
Requirement mg/cm²
1 0.94 2 1.12 3 1.12
1.5
Test results
The test has been PASSED.
5.6 Pressure test at high temperature on the PVC oversheath
Type of compound: ST2
Normative documents
IEC 60502-2: 2005-03, Sub-clause 19.7 Testing device
Heating cabinet No. 21, measuring projector Treatment: 90 °C, 6 h
Sample No. Thickness of sheath Engaged depth mm mm % 1 2.30 0.62 27 2 2.31 0.54 26 3 2.44 0.63 23
Requirements None None Max. 50 Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 21
5.7 Test on sheath at low temperature
Type of compound: ST2
Normative documents
IEC 60502-2: 2005-03, Sub-clause 19.7 Testing device
Cooling chamber, elongation test machine Treatment: -15 °C
Length pre elongation
Length after elongation
Sample No. mm mm % 1 20 34 70 2 20 40 100 3 20 41 105 4 20 44 120 5 20 44 120 6 20 34 70
Requirements -- -- -- Test results
The test has been PASSED.
5.8 Test for resistance of PVC sheath to cracking (heat shock test)
Type of compound: ST2
Normative documents
IEC 60502-2: 2005-03, Sub-clause 19.9 Testing device
Heating cabinet No. 22 Treatment: 150 °C, 1 h Test results
None cracks were seen. The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 22
5.9 Hot set test for XLPE insulations
Normative documents
IEC 60502-2: 2005-03, Sub-clause 19.11
Test temperature
200 °C
Testing device
Heating cabinet No. 21, length measurement system (for example a steel measuring tape)
Measured values
Treatment: 200 °C, 15 minutes, 5 minutes
Sample No.
Elongation under load
Permanent elongation after cooling
in % in % 1 38 4.8 2 33 2.4 3 38 2.4 4 32 2.4 5 32 2.4 6 33 2.4
Requirements Max. 175 Max. 15 Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 23
5.10 Water absorption test on insulation
Type of compound: XLPE Normative document
IEC 60502-2: 2005-03, Sub-clause 19.13 Testing device
Low-pressure oven No. 30, laboratory balance, inventory No. 1132/05 Measured values
Sample No.
Weight M1
of dry pieces
Weight M2
of wet pieces
Weight M3
of dry pieces
Area
cm²
Result
mg/cm²
Requirement
mg/cm² 1 0.3225 0.3245 0.3224 10.2672 0.20 2 0.3306 0.3317 0.3306 10.2880 0.11
< 1
Test results
The test has been PASSED.
5.11 Flame spread test on single cables
Type of compound: ST2
Normative document
IEC 60502-2: 2005-03, Sub-clause 19.14
Testing device
As described in IEC 60332-1-2
Test results
The PVC sheathed cable sample has PASSED the test.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 24
5.12 Shrinkage test for XLPE insulation
Normative document
IEC 60502-2: 2005-03, Sub-clause 19.16
Testing device
Oven No. 21, steel tape measure Measured values
Sample No.
Distance before ageing
mm
Distance after cooling
mm
Result
%
Requirement
% 1 200 197.5 1.3 Max. 4
Test results
The test has been PASSED.
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 25
6. Sketches/Drawings/Data sheet
Figure 1: Sketch of the tested cable
POLYESTER TAPE
COPPER TAPE
SCREEN (COPPER WIRES)
SEMI CONDUCTIVE TAPE
INSULATION SCREEN(XLPE)
INSULATION (XLPE)
CONDUCTOR
OUTER SHEATH
COPPER CONDUCTOR
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 26
Figure 2: Data sheet of tested cable
1 - GENERAL
- Producer : HES HACILAR ELEKTRİK SAN. VE TİC. A.Ş.
- Cable Code : YXC7V-R (YE3SV)-N2XSY
- Aplied Standards : IEC 60502-2
- Rated Voltage (U0/Um) (kV) : 20.3/35
- Max. Operating Voltage (Um) (kV) : 42
2 - STRUCTURAL PROPERTIES
2.1 CONDUCTOR
. Type : Compacted Conductor
. Material : Annealed Electroltyic Copper
. Cross-sectional Area (mm²) : 1x35/16
. Number of Wires : 7
. Type of Stranding : Circular
. Outer Diameter of Strand (max) (mm) : 7,0
2.2 INNER SEMICONDUCTING SCREEN
. Material : Semiconductive XLPE
. Nominal Thickness (mm) : 0,6
. Minimum Thickness (mm) : 0,3
. Outer Diameter of Screen (Approx.) (mm) : 8,2
2.3 INSULATION
. Material : XLPE
. Nominal Thickness (mm) : 9,0
. Minimum Thickness (mm) : 8,0
. Outer Diameter of Insulatio (Approx.) (mm) : 26,2
2.4 OUTER SEMICONDUCTING SCREEN
. Material : Semiconductive XLPE
. Nominal Thickness (mm) : 0,6
. Minimum Thickness (mm) : 0,3
. Outer Diameter of Screen (Approx.) (mm) : 27,4
2.5 METALLIC SCREEN
. Material : Copper
. Type : Wire & Tape
. Number & Diameter of Wires (mm) : 60x0.55
. Number of Copper Tape & Dimensions (mm) : 1 - (0.1x10)
. Geometrical Area (mm²) : 16
. Outer Diameter (Approx.) (mm) : 30,2
2.6 OUTER SHEATH
. Material : PVC
. Colour : Red
. Nominal Thickness (mm) : 2,00
. Minimum Thickness (mm) : 1,40
.Outer Diameter of Cable (mm) : 34 ± 2
MEDIUM VOLTAGE CROSS-LINKED PE (XLPE) INSULATED POWER CABLE 1x35/16 mm2
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 27
Figure 3: Chart of heating cycle test
Conductor temperature
Sheath temperature
TYPE TEST REPORT NO. 3149.2090352.0530 SHEET 28
7. Photo
Figure 4: Cable samples after flame spread test
35 mm²