Tangent delta extraction of cable joints for aged 11kV underground cable system
Cable jointing; Carbon; Carbon black; Extraction; Insulation; Systems engineering; Underground cables; Dissipation factors; Experimental approaches; Extraction method; High frequency alternating current; High frequency HF; Tangent delta; Trigonometric functions; Underground cable systems; Cables
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Institute of Electrical and Electronics Engineers Inc.
2023
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my.uniten.dspace-232832023-05-29T14:39:05Z Tangent delta extraction of cable joints for aged 11kV underground cable system Permal N. Chakrabarty C.K. Avinash A.R. Marie T. Shafi Abd Halim H. 56781496300 6701755282 56781356900 26422816100 57193995164 Cable jointing; Carbon; Carbon black; Extraction; Insulation; Systems engineering; Underground cables; Dissipation factors; Experimental approaches; Extraction method; High frequency alternating current; High frequency HF; Tangent delta; Trigonometric functions; Underground cable systems; Cables Tangent Delta, also called loss angle or dissipation factor (?) is a measurement technique to determine the quality of cable insulation. It utilizes the phase shifts caused by the displacement current induced due to the existence of impurities in the insulation or stress on the cable. More than 50% of the underground cable breakdown is due to cable joint failures and also aged bulk cable failures. Current Tangent Delta measurement used is an overall or bulk assessment technique where it is not able to differentiate the responses of each cable system component (i.e. joints, terminations and cables). However, there is no current method is available to extract the tangent delta of joints from bulk defective cable using HFAC or other commercial techniques. It is important to distinguish the cable and its accessories response within the cable system for the ease of maintenance action. Therefore this experimental approach is an attempt to distinguish the responses of each component made using High frequency Alternating Current (HFAC) Tangent Delta measurement technique. This paper presents the extraction method for cable joint of 11 kV defect conditioned cable sample induced with carbon black (CB) impurities in its insulation. The technique will implement on defective cable with various combination of two joints of 20 meter length. The tangent delta of cable joint from bulk tangent delta measurement will be determined using higher frequencies (>100Hz) at voltages of 1 kV. The current (I), voltage (V) and phase (?) were obtained in this experiment using HFAC measurement setup. The phasor diagram is then constructed where the actual joint phase is extracted using the basic trigonometric functions. Hence, the tan delta values of extracted joints were obtained through the calculations. � 2016 IEEE. Final 2023-05-29T06:39:05Z 2023-05-29T06:39:05Z 2017 Conference Paper 10.1109/ICAEES.2016.7888050 2-s2.0-85018190823 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85018190823&doi=10.1109%2fICAEES.2016.7888050&partnerID=40&md5=66384346609286d3f9084efc80ddb7fc https://irepository.uniten.edu.my/handle/123456789/23283 7888050 265 270 Institute of Electrical and Electronics Engineers Inc. Scopus |
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| description |
Cable jointing; Carbon; Carbon black; Extraction; Insulation; Systems engineering; Underground cables; Dissipation factors; Experimental approaches; Extraction method; High frequency alternating current; High frequency HF; Tangent delta; Trigonometric functions; Underground cable systems; Cables |
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56781496300 |
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56781496300 Permal N. Chakrabarty C.K. Avinash A.R. Marie T. Shafi Abd Halim H. |
| format |
Conference Paper |
| author |
Permal N. Chakrabarty C.K. Avinash A.R. Marie T. Shafi Abd Halim H. |
| spellingShingle |
Permal N. Chakrabarty C.K. Avinash A.R. Marie T. Shafi Abd Halim H. Tangent delta extraction of cable joints for aged 11kV underground cable system |
| author_sort |
Permal N. |
| title |
Tangent delta extraction of cable joints for aged 11kV underground cable system |
| title_short |
Tangent delta extraction of cable joints for aged 11kV underground cable system |
| title_full |
Tangent delta extraction of cable joints for aged 11kV underground cable system |
| title_fullStr |
Tangent delta extraction of cable joints for aged 11kV underground cable system |
| title_full_unstemmed |
Tangent delta extraction of cable joints for aged 11kV underground cable system |
| title_sort |
tangent delta extraction of cable joints for aged 11kv underground cable system |
| publisher |
Institute of Electrical and Electronics Engineers Inc. |
| publishDate |
2023 |
| _version_ |
1806426566459129856 |
| score |
13.222552 |