TT 0710/03. TYPE TEST OF 3 Phase Solid Earthing Bonding Link Box, Type: LB.W.3SA.3.1

Transcription

1 TT 0710/03 TYPE TEST OF 3 Phase Solid Earthing Bonding Link Box, Type: LB.W.3SA.3.1 Tested by: IPH, Berlin RPT No : Date: 09 June to 24 June, 2010 Pages: 30 Appendix: --- TT A3 Tavukçuyolu Türker Cad. No:8 Kat: Y.Dudullu - Ümraniye - İSTANBUL - TÜRKİYE T: F :

2 Independent, accredited testing station Member laboratory of STL and LOVAG T EST REPORT NO EM Electrical Materials Contracting Co. Tavukcuyolu, Türker Cad. No. 08 Y. Dudullu-Umraniye Istanbul TURKEY CLIENT EM Electrical Materials Contracting Co. MANUFACTURER Earthing bonding link box TEST OBJECT LB.W.3SA.3.1 TYPE Test sample SERIAL NO. Rated DC withstand voltage Rated lightning impulse withstand voltage U p (60) kv kv RATED CHARACTERISTICS GIVEN BY THE CLIENT Client's instructions NORMATIVE DOCUMENT Dielectric tests Leakage current test Measurement of contact resistance Measurement of residual voltage RANGE OF TESTS PERFORMED 09 and 24 June 2010 DATE OF TEST See Clause 8 TEST RESULT RONALD BORCHERT Senior engineer Berlin, 21 July 2010 RAINER BORCHERT For Test engineer in charge 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.

3 TEST REPORT NO SHEET 2 Contents Sheet 1. Present at the test Test performed Identity of the test object Technical data and characteristics Identity documents Dielectric tests Test laboratory Normative document Required test parameters Test arrangement Test and measuring circuits Test results Leakage current test Test laboratory Normative document Required test parameters Test arrangement Test and measuring circuits Test results Measurement of contact resistance Test laboratory Normative document Test and measuring circuits Test results Measurement of residual voltage Test laboratory Normative document Test results Summary of results Photos Oscillograms Drawing This test document consists of 30 sheets. Distribution Copy No. 1 Copy No. 1 in English: EM Electrical Materials Contracting 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.

4 TEST REPORT NO SHEET 3 1. Present at the test Mr. Wittwer IPH test engineer in charge Mr. Heske IPH test engineer Mr. Borchert, Rainer IPH test engineer Mr. Erdeniz EM Electrical Materials Contracting Co. 2. Test performed Dielectric tests Leakage current test Measurement of contact resistance Measurement of residual voltage

5 TEST REPORT NO 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: Type: Manufacturer: Serial No.: Year of manufacture: Earthing bonding link box LB.W.3SA.3.1 EM Electrical Materials Contracting Co. Test sample 2010 Data: Rated voltage Not specified Rated DC withstand voltage 25 kv Rated lightning impulse withstand voltage U p 40 (60) kv Characteristics: Thickness of housing 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 SOLID EARTHING BONDING LINK BOX with SVL TYPE: LB.W.3SA Rev EMELEC Sheet 30 Entry of test object at IPH: 31 May 2010

6 TEST REPORT NO SHEET 5 4. Dielectric tests 4.1 Test laboratory High-voltage test laboratory, high-voltage hall Normative document Client's instructions 4.3 Required test parameters Active parts (L1, L2, L3, MP) against each other and against earth (F): DC 25 kv, 5 min LI 1.2/50 s, 40 kv Active parts (L1, L2, L3) against each other only LI 1.2/50 s, 60 kv 4.4 Test arrangement See Sub-clause 4.6 For the dielectric tests the surge arrestors were replaced by insulating dummy parts.

7 TEST REPORT NO SHEET Test and measuring circuits DC voltage test Technical data of test circuit DC voltage source Test transformer: Rated voltage 100 kv Rated power 8 kva Rated frequency 50 Hz Rectifier: Rated voltage 135 kv Rated current 15 ma Smoothing capacitor: Capacitance 10 nf Gl E Tr C G PO 1 E Tr Gl C G Supply Test transformer with variable transformer connected in series Rectifier Smoothing capacitor 1 Measuring point PO Test object Figure 1: Test and measuring circuit for the DC voltage test Technical data of measuring circuit Measuring point Measured quantity Measuring sensor/device Technical parameters 1 Test voltage Ohmic divider with DC peak voltmeter type MU11 (made by TuRD) Ratio 561

8 TEST REPORT NO SHEET 7 Test and measuring circuits (continued) Lightning impulse voltage test Technical data of test circuit Impulse circuit: Number of stages n = 2 Impulse capacitance C S = 70 nf Loading capacitance C B = 1.5 nf Damping resistance R = D 122 Discharge resistance R = E 1200 Gl ZFS R D +/- ~ C S R E C B PO 1 Gl Rectifier R D Damping resistance C S Impulse capacitance C B Loading capacitance ZFS Spark gap PO Test object R E Discharge resistance 1 Voltage measurement Figure 2: Test and measuring circuit for the lightning impulse voltage test Technical data of measuring circuit Measuring point Measured quantity Measuring sensor/device Technical parameters 1 Test voltage R divider of SMR 10/770 type (made by TuRD) with digital measuring instrument of DMI 551 type (made by Haefely) and TDS220 digital oscilloscope (made by Tektronix) Ratio 472.3

9 TEST REPORT NO SHEET Test results DC voltage test Date of test: 09 June 2010 Testing time after having reached full amplitude: 5 min Air temperature: 21.4 C Air pressure: kpa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction Every voltage is related to an air pressure of kpa, an air temperature of 20 C and an air humidity of 11 g/m 3. Test set-up MP L1 L2 L3 A B C DC withstand voltage Test voltage 1) Disruptive discharge 2) Frame Configuration Voltage applied to Earthed kv kv - L1 L2, L3, MP, F L2 L1, L3, MP, F L3 L1, L2, MP, F MP L1, L2, L3, F Notes: 1) Related to normal atmospheric conditions 2) Within the testing period no disruptive discharge shall occurred

10 TEST REPORT NO SHEET 9 Test results (continued) Lightning impulse voltage test Date of test: 09 June 2010 Front time of lightning impulse wave: 0.94 μs Tail time of lightning impulse wave: 51.7 μs Air temperature: 21.4 C Air pressure: kpa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction Every voltage is related to an air pressure of kpa, an air temperature of 20 C and an air humidity of 11 g/m 3. Test set-up MP L1 L2 L3 A B C Frame Impulse withstand voltage Test voltage 1) Number of impulses/ disruptive discharges Configuration Voltage applied to Earthed kv kv - L1 L2, L3, MP, F /0 10/0 - L2 L1, L3, MP, F /0 10/0 - L3 L1, L2, MP, F /0 10/0 - MP L1, L2, L3, F /0 10/0 Notes: 1) Related to normal atmospheric conditions

11 TEST REPORT NO SHEET 10 Test results (continued) Lightning impulse voltage test 60 kv Date of test: 09 June 2010 Front time of lightning impulse wave: 0.94 μs Tail time of lightning impulse wave: 52.0 μs Air temperature: 21.4 C Air pressure: kpa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction Every voltage is related to an air pressure of kpa, an air temperature of 20 C and an air humidity of 11 g/m 3. Test set-up MP L1 L2 L3 A B C Frame Impulse withstand voltage Test voltage 1) Number of impulses/ disruptive discharges Configuration Voltage applied to Earthed kv kv - L1 L2, L /0 10/0 - L2 L1, L /0 10/0 - L3 L1, L /0 10/0 Notes: 1) Related to normal atmospheric conditions

12 TEST REPORT NO SHEET Leakage current test 5.1 Test laboratory High-voltage test laboratory, high-voltage hall Normative document Client's instructions 5.3 Required test parameters DC 5 kv, 1 min Leakage current 5.4 Test arrangement See Sub-clause 5.6

13 TEST REPORT NO SHEET Test and measuring circuits DC voltage test Technical data of test circuit DC voltage source Test transformer: Rated voltage 100 kv Rated power 8 kva Rated frequency 50 Hz Rectifier: Rated voltage 135 kv Rated current 15 ma Smoothing capacitor: Capacitance 10 nf Gl 2 E Tr C G PO 1 E Tr Gl C G Supply Test transformer with variable transformer connected in series Rectifier Smoothing capacitor 1 2 Measuring point PO Test object Figure 3: Test and measuring circuit for the DC voltage test Technical data of measuring circuit Measuring point Measured quantity Measuring sensor/device Technical parameters 1 Test voltage Ohmic divider with DC peak voltmeter type MU11 (made by TuRD) Ratio Leakage current Digital multimeter Keithley 137

14 TEST REPORT NO SHEET Test results Leakage current test Date of test: 09 June 2010 Testing time after having reached full amplitude: 1 min Air temperature: 21.4 C Air pressure: kpa Air humidity (relative): 58 % Atmospheric correction of test voltage: Without atmospheric correction Every voltage is related to an air pressure of kpa, an air temperature of 20 C and an air humidity of 11 g/m 3. Test set-up 2) MP L1 L2 L3 DC withstand voltage Test voltage 1) Leakage current Frame Configuration Voltage applied to Earthed kv kv μa - L1 MP, F 5 5 <1 - L2 MP, F 5 5 <1 - L3 MP, F 5 5 <1 Notes: 1) Related to normal atmospheric conditions 2) Serial no. of surge arrestors: L1: 594 L2: 596 L3: 595

15 TEST REPORT NO SHEET Measurement of contact resistance 6.1 Test laboratory Low-voltage test laboratory, test room Normative document Client s instructions 6.3 Test and measuring circuits

16 TEST REPORT NO SHEET Test results Date of test: 24 June 2010 Test object: Earthing bonding link box Ambient temperature: 18.4 C Contact Resistance (μω) C.01 C.02 C.03 C.04 C.05 C.06 C

17 TEST REPORT NO SHEET Measurement of residual voltage 7.1 Test laboratory Low-voltage test laboratory, test room Normative document Client s instructions 7.3 Test results Date of test: 24 June 2010 Test object: Earthing bonding link box Test no Impulse current 8/20 s, peak value ka Residual voltage kv Pole red yellow blue Test no Impulse current 8/20 s, peak value ka Residual voltage kv Pole blue yellow red Test no Impulse current 8/20 s, peak value ka Residual voltage kv Pole red yellow blue

18 TEST REPORT NO SHEET Summary of results Dielectric tests As agreed with the client, the test object was subjected to a DC voltage withstand voltage of 25 kv Phase-to-earth insulation Lightning impulse withstand voltage of 40 kv Phase-to-earth insulation Lightning impulse withstand voltage of 60 kv Phase-to-phase insulation In the DC test no disruptive discharge occurred. In the lightning impulse voltage test the number of disruptive discharges was 0 for every 10 impulses. The requirements for the dielectric tests as specified by the client have been fulfilled. Leakage current test As agreed with the client, the test object was subjected to a DC voltage withstand voltage of 5 kv Phase-to-earth insulation The requirements for the leakage current test as specified by the client have been fulfilled. Measurement of residual voltage The maximum residual voltage measured during the tests was 23.3 kv.

19 TEST REPORT NO SHEET Photos Photo 1: View of the test object with closed outer cover plate Photo 2: View of the test object with opened outer cover plate

20 TEST REPORT NO SHEET 19 Photo 3: View of the test object with removed inner isolating cover plate Photo 4: View of the test object with removed inner isolating cover plate and dummies in place of surge arrestors

21 TEST REPORT NO SHEET 20 Photo 5: View of the cable entry in the box Photo 6: Test object after measurement of residual voltage test

22 TEST REPORT NO SHEET Oscillograms

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31 TEST REPORT NO SHEET Drawing