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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
T E S T R E P O R T
NO. 2977.2101611.1023
EM Elektrik Malzemelerie Yüklenim San. Ltd. Co. Eski Ankara Yolu Istanbul Tuzla Organize San. Bölgesi 34959 Tepeören-Tuzla / Istanbul TURKEY
CLIENT
EM Elektrik Malzemelerie Yüklenim San. Ltd. Co. MANUFACTURER
Earthing bonding link box TEST OBJECT
LB.W.E.3.1 TYPE
2010/3767 SERIAL NO.
Rated peak withstand current Rated short-time withstand current Rated duration of short-circuit
125 50 1
kA kA s
RATED CHARACTERISTICS GIVEN BY THE CLIENT
Client’s instructions NORMATIVE
DOCUMENT
Short-time withstand current and peak withstand current tests RANGE OF TESTS
PERFORMED
20 January 2011 DATE OF TEST
See Sub-clause 4.6 TEST RESULT
H. GLABSCH Senior engineer
M. THOM Test engineer in charge
Berlin, 21 February 2011
TEST REPORT NO. 2977.2101611.1023 SHEET 2
This test document comprises 14 sheets. Distribution Copy No. 1 Copy No. 1 in English: EM Elektrik Malzemelerie Yüklenim San. Ltd. Co.
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. Test performed.................................................................................................................................................................... 3
3. Identity of the test object ............................................................................................................................................ 4
3.1 Technical data and characteristics.......................................................................................................................................................................................... 4
3.2 Identity documents ......................................................................................................................................................................................................................................... 4
4. Short-time withstand current and peak withstand current tests................................................... 5
4.1 Test laboratory ........................................................................................................................................................................................................................................................ 5
4.2 Normative document................................................................................................................................................................................................................................... 5
4.3 Required test parameters...................................................................................................................................................................................................................... 5
4.4 Test arrangement............................................................................................................................................................................................................................................... 5
4.5 Test and measuring circuits............................................................................................................................................................................................................... 6
4.6 Test results..................................................................................................................................................................................................................................................................... 7
5. Photos........................................................................................................................................................................................ 8
6. Oscillograms ...................................................................................................................................................................... 10
7. Drawings .............................................................................................................................................................................. 12
TEST REPORT NO. 2977.2101611.1023 SHEET 3
1. Present at the test
Mr. Thom IPH test engineer in charge
Mr. Erdeniz EM Elektrik
Mr. Weinlein Südkabel GmbH
Mr. Cabaroglu EM Elektrik
Mr. Demin EM Elektrik
2. Test performed
Short-time withstand current and peak withstand current tests
TEST REPORT NO. 2977.2101611.1023 SHEET 4
3. Identity of the test object
3.1 Technical data and characteristics
The technical data and characteristics of the test object are defined by the following parameters and specified by the client. Test object: Earthing bonding link box Type: LB.W.E.3.1 Manufacturer: EM Elektrik Malzemelerie Yüklenim San. Ltd. Co. Serial No.: 2010/3767 Year of manufacture:
2010
Data: Rated voltage Not specified Rated DC withstand voltage 25 kV Rated lightning impulse withstand voltage Up 40 kV Rated peak withstand current Ip 125 kA Rated short-time withstand current Ik 50 kA Rated duration of short circuit tk 1 s Characteristics: Thickness of housing 3 mm Thickness of cover 3 mm
3.2 Identity documents
The manufacturer confirms that the test object has been manufactured in compliance with the drawings given in this document. IPH did not verify this compliance in detail.
The identity of the test object is fixed by the following drawings and data submitted by the client:
Name of drawing Drawing No. Date of drawing Author Notes
EARTHING BONDING LINK BOX TYPE: LB.W.E.3.1
10.04.05 Rev. 0
30.04.2010 EMELEC Sheet 12
EARTHING LINK BOX 10.04.05 - LB.W.E.3.1
- Page 5/6
05.01.2011 EMELEC Sheet 13
Technical Document no. KSH 2010/TR400 – K02
- 18.10.2010 Südkabel Sheet 14
Entry of test object at IPH: 14 January 2011
TEST REPORT NO. 2977.2101611.1023 SHEET 5
4. Short-time withstand current and peak withstand current tests
4.1 Test laboratory
High-power test laboratory, test bay HS
4.2 Normative document
Client’s instructions
4.3 Required test parameters
Peak current 125 kA
Short-circuit current 50 kA
Duration of short circuit 1 s
4.4 Test arrangement
According to client’s instructions Single phase tests of the R – Y'-connection and the B – Earth-connection Cf. Photos, Sheets 8 and 9 and Drawings, Sheets 12 and 13
TEST REPORT NO. 2977.2101611.1023 SHEET 6
4.5 Test and measuring circuits
Test requirement Short-time withstand current tests
Test No. 111 0525 to 111 0527
Number of phases (Test circuit) 3
Number of poles/phases (Test object) 3/1
Power frequency Hz 50
Power factor cos < 0.15
Grid Not earthed
Earthing conditions Short-circuit transformer Not earthed
Short-circuit point One side earthed
E
Si Dr L Tr I TO1
U
2
R
Y
B
Earth bar
E Supply TO Test object SI Master breaker I Current measurement Dr Making switch U Voltage measurement L Current-limiting reactor 1 – 2 Measuring points Tr Short-circuit transformer
Figure 1: Test circuit (diagram of the R – Y-connection test)
Measuring point Symbol in the oscillograms
Measured quantity Measuring sensor/device
1 i Short-circuit current Rogowski measuring device
2 u Voltage RC divider
Recording instrument: BE 256 transient recorder system
TEST REPORT NO. 2977.2101611.1023 SHEET 7
4.6 Test results
Test requirement: Short time withstand current and peak withstand
current test Condition of test object before test: New Connection of test object: By single core bonding cable 1 x 400 mm2 per phase
and to the earth bar Ambient temperature: 2 oC
Test No. 111 0525 0526 0527
Conductor R – Y’ R – Y’ B – Earth
Resistance before test 138 - 141
Peak current kA 117 130 131
Short-time current kA 45.0 50.6 50.7
Duration of short circuit s 0.10 1.01 1.01
I2t 106 A2s - 2586 2596
Equivalent 1-s current kA - 50.9 51.0
Resistance after test - 162 173
Variation of the resistance % - 17.2 23.3
Notes 1) 2) 2)
Notes:
1) Current setting 2) Short time withstand current and peak withstand current test
Condition of test object after test:
Cf. Photos, Sheet 9 Conductors show deformation but no opening of contacts. The supporting insulating parts did not show any significant signs of deterioration.
TEST REPORT NO. 2977.2101611.1023 SHEET 8
5. Photos
Photo 1: Test object after test
Photo 2: Name plate
TEST REPORT NO. 2977.2101611.1023 SHEET 9
Photo 3: Test object after test without protection cover
Photo 4: Test object after test without protection cover
TEST REPORT NO. 2977.2101611.1023 SHEET 10
6. Oscillograms
TEST REPORT NO. 2977.2101611.1023 SHEET 11
TEST REPORT NO. 2977.2101611.1023 SHEET 12
7. Drawings
TEST REPORT NO. 2977.2101611.1023 SHEET 13
TEST REPORT NO. 2977.2101611.1023 SHEET 14