Comparison of on-Site Partial Discharge Measurements Using VLF-, Dac- And Slope-Voltage Forms and Dissipation Factor Measurements on Service-Aged Medium Voltage Cables

Tichelkamp, N.; Reske, T.; Hopfer, Nikolai; Zdrallek, Markus; Herzer, Jan Paul; Albert, J.; Strempel, O.

doi:10.1049/icp.2021.2115

Cited by 2 publications

(4 citation statements)

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“…Cable assessment carried out on SKTM uses 2 methods, namely partial discharge and Tan Delta (TD) testing with each test using a different tool [8]. The Tan Delta test is one of the test methods on the ground cable (SKTM) to find out the condition of the cable and that way we can estimate the remaining life of the cable as well as the top priority in terms of cable replacement to maintain the reliability of the 20 kV electrical system [11].…”

Section: Methodsmentioning

confidence: 99%

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Characteristic Testing of the Ground Cable Using Tan Delta (Td) Test Method on Two Segments of the Medium Voltage Cable Menteng Area

et al. 2022

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This research is based on the existence of underground cable problems due to rainfall in certain areas, especially the Central Jakarta area results in an increase in soil moisture that can degrade the dielectric strength of the SKTM and potentially SKTM interference. Therefore, Tan Delta testing method is carried out as a predictive step to analyze the cable health condition and an early method to determine the good/bad of the test cable. After testing tan delta, it was obtained that the acquisition of segment 1 data results were in good condition because the average value of delta tan in all three phases was 1.0, with the differential results being 0.0 and deviation standard 0.0. Action to segment 1 is periodic maintenance of 5 years. Then in segment 2, the data obtained the average value of tan delta phase R 70.6, phase S 143.9, and phase T 83.92. For differential of phase R 161.7, phase S 33.7, and phase T 135.08. Finally, deviation standard at phase R 4.57, phase S 20.14, and phase T 2.43. From IEEE 400.2-2013 standard, it can be concluded that segment 2 is in poor condition and need action as soon as possible of PD Tests and cable replacement

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Section: Methodsmentioning

confidence: 99%

“…The data processing & control unit is used to process the measurement data and control the entire measurement process. There are several recommendations for the results of tests carried out according to the type of cable tested, whether pilc or XLPE insulation cables [11,14,15].…”

Section: Pd Testmentioning

confidence: 99%

Characteristic Testing of the Ground Cable Using Tan Delta (Td) Test Method on Two Segments of the Medium Voltage Cable Menteng Area

et al. 2022

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“…Thus, it is evident that the PD behavior for different defects varies with the energizing voltage waveforms. Niklas et al also made a notable contribution by comparing PD measurements employing VLF and DAC voltages on service-aged cables [14]. They reported that the DAC and slope voltages were more sensitive to PD measurements.…”

Section: Introductionmentioning

confidence: 99%

“…Niklas et al . also made a notable contribution by comparing PD measurements employing VLF and DAC voltages on service‐aged cables [14]. They reported that the DAC and slope voltages were more sensitive to PD measurements.…”

Section: Introductionmentioning

confidence: 99%

Partial Discharge Characteristics and Mechanism of Medium Voltage Power Cable Defects under Different Voltage Stresses

Wang,

Chen,

et al. 2023

IEEJ Transactions Elec Engng

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Off‐line partial discharge (PD) diagnosis, which requires an additional power supply has been accepted as an essential step in ensuring the integrity of power cable systems during commissioning testing. Many types of energizing voltage sources (e.g., alternating current resonance, damped alternating current, very low frequency [VLF] sine, and VLF‐cosine rectangular) have been developed, which are used in practice. However, choosing the optimal energizing voltage waveforms for PD testing is still controversial because their capability to motivate PD activities is still unclear. Accordingly, this paper compares the PD ignition capacity of the aforementioned power sources on six well‐designed PD defects in real cable joints. The influence of test voltage frequencies and waveforms are verified. The results show that the PD inception voltage and PD magnitudes in the cable joint defects do not change significantly as a function of the sinusoidal voltage frequency and the VLF‐cosine rectangular voltage exhibits excellent PD ignition capability with a low PD inception voltage and large PD magnitude. Moreover, the dynamic behavior of space charge in a PD defect caused by a gap is analyzed in order to explain the obtained results. © 2023 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.

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Comparison of on-Site Partial Discharge Measurements Using VLF-, Dac- And Slope-Voltage Forms and Dissipation Factor Measurements on Service-Aged Medium Voltage Cables

Cited by 2 publications

References 0 publications

Characteristic Testing of the Ground Cable Using Tan Delta (Td) Test Method on Two Segments of the Medium Voltage Cable Menteng Area

Characteristic Testing of the Ground Cable Using Tan Delta (Td) Test Method on Two Segments of the Medium Voltage Cable Menteng Area

Partial Discharge Characteristics and Mechanism of Medium Voltage Power Cable Defects under Different Voltage Stresses

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