Zobrazeno 1 - 10
of 11
pro vyhledávání: '"H. N. Nagamani"'
Publikováno v:
Electric Power Components and Systems. 45:279-287
Back-to-back switching of 50 kVAr capacitors, in a capacitor bank of 200 kVAr is investigated experimentally. The switching inrush currents in a three-phase, 200 kVAr, 415 V Automatic Power Factor Correction panel at power frequency are captured in t
Publikováno v:
IEEE Transactions on Power Delivery. 33:3227-3229
The behavior of partial discharge (PD) acoustic emission (AE) signals in the transformer oil for a temperature range of 30–75 °C is studied via laboratory experiments. The AE signals are analyzed using the fast Fourier transform (FFT) to obtain th
Publikováno v:
2017 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC).
In this paper the results of dissolved gas analysis (DGA) along with details of the DGA data from in-service transformers are discussed. Two case studies are given of which, first case study deals with the detection of the partial discharge and the s
Publikováno v:
2013 IEEE 1st International Conference on Condition Assessment Techniques in Electrical Systems (CATCON).
Using the experimental data obtained from an Acoustic Emission Partial Discharge (AEPD) system, efforts are made to locate the source of Partial discharge (PD) with a transformer tank. The AEPD data with 8 sensors (available in the literature) is num
Publikováno v:
2013 IEEE 1st International Conference on Condition Assessment Techniques in Electrical Systems (CATCON).
On-Load Tap Changer (OLTC) forms a vital part of a transformer. Acoustic emission signals have been acquired from OLTC of 230 kV 3 phase power transformers for signature analysis. The acoustic emission signals have been analyzed to characterize the s
Autor:
V. Vaidhyanathan, Viji Venugopal, Tangella Bhavani Shanker, H. N. Nagamani, Gurana Govinda Rao
Publikováno v:
Power and Energy Systems.
Automatic Power Factor Correction (APFC) panels are finding application in commercial and industrial installations due to certain advantages over fixed capacitor banks in providing power factor correction and consequent reduction in distribution loss
Publikováno v:
2012 IEEE 10th International Conference on the Properties and Applications of Dielectric Materials.
Reliability of power capacitor plays a key role in effective reactive power management in power system. Performance evaluation, following certain standard procedures, is an important stage in assessing the reliability of power capacitors as it helps
Publikováno v:
2012 IEEE 10th International Conference on the Properties and Applications of Dielectric Materials.
Application of Automatic Power Factor Correction panels (APFC) in electrical distribution network is gaining importance due to the advantages of APFC panels over fixed capacitor banks, like, ability to maintain the target power factor with varying lo
Publikováno v:
2012 IEEE 10th International Conference on the Properties and Applications of Dielectric Materials.
An acoustic Partial Discharge (PD) location problem modeled mathematically, gives system of sphere equations, which are non-linear. These equations are formed with known acoustic emission (AE) sensors co-ordinates, with PD locations co-ordinates as u
Publikováno v:
2012 IEEE 10th International Conference on the Properties and Applications of Dielectric Materials.
Transformers operate at different service conditions in the field resulting in operating temperatures of oil and winding, much above ambient temperature. Acoustic emissions due to partial discharge activity in transformer insulation system, including