Search Results - "Nagaraju, Guvvala"

Partial discharge activity due to particle movement in SF6 gas filled electrode gap under different voltage profiles by Guvvala, Nagaraju, Sarathi, R.

“…The levitation voltage of the conducting/non conducting particle in the SF6 gas filled electrode gap is high under DC voltage compared with the AC voltage. The…”
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Partial Discharge Characterization of Solid-Dielectric-Based Transformer Under High Frequency High dv/dt PWM Voltage for MV Applications by Guo, Zhehui, Li, Hui, Cheetham, Peter, Guvvala, Nagaraju

“…In this paper, the partial discharge (PD) of a solid-dielectric-based coreless transformer applied in an isolated gate driver power supply for 10-kV SiC…”
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Understanding the interfacial and agglomeration impact in epoxy nanocomposites on its electrical and mechanical properties by Nagaraju, Guvvala, Velmurugan, Ramachandran, Sarathi, Ramanujam, Tanaka, Toshikatsu

“…In the present study, epoxy nanocomposites are prepared with magnesium oxide (MgO) and aluminum nitride (AlN) as filler materials, and their surface potential…”
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Modeling and Measurements of Ramping Losses in HTS Coils for Pulsed Power Applications of SMES by Bhardwaj, Ashish, Guvvala, Nagaraju, Nguyen, Linh N., Kim, Chul H., Cheetham, Peter, Nguyen, Doan N., Pamidi, Sastry V.

“…Ramping losses in high-temperature superconductor (HTS) based superconducting magnetic energy storage (SMES) coils are modeled using the finite element…”
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Novel Electrical Insulation Coatings for HTS Cables by Bruce, Jackson, Guvvala, Nagaraju, Rudd, Roy, Tank, Mehul, Leon, Ana De, Kim, Chul Han, Pamidi, Sastry V., Sweat, Rebekah, Cheetham, Peter

“…To develop epoxy based electrical insulation for HTS power cable and other device applications, the suitability of two cryogenic rated commercial epoxies,…”
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Understanding charge trap characteristics of epoxy nanocomposite under steep fronted lightning impulse voltage by Yadam, Yugandhara Rao, Guvvala, Nagaraju, Arunachalam, Kavitha, Ramanujam, Sarathi

“…Charge trap characteristics of epoxy spacer insulating material due to surface flashover are important for improving the stable operation of GIS. In this work,…”
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Effect of Zeolite Addition on Partial Discharge and Dielectric Behavior of Thermally Aged Synthetic Ester Fluid Under External Magnetic Field by Mridula, Guvvala, Nagaraju, Sarathi, R., Vinu, R.

“…In recent times, ester based liquids have met high standards and are being considered as potential alternatives over mineral oil transformer insulation. This…”
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Electrical Conductivity Measurement of Dielectric Materials at Cryogenic Temperatures by Das, Arup Kumar, Guvvala, Nagaraju, Pamidi, Sastry, Cheetham, Peter

“…The design and fabrication of a new experimental setup for measuring the electrical conductivity of electrical insulation materials at 77 K is reported. The…”
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Partial discharge activity due to particle movement in SF 6 gas filled electrode gap under different voltage profiles by Guvvala, Nagaraju, Sarathi, R.

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Evaluation of Lapped Tape Electrical Insulation for Gaseous Helium Cooled High Temperature Superconducting Power Cables by Tariq Nazir, M., Guvvala, Nagaraju, Das, Arup K., Kim, Chul H., Pamidi, Sastry V., Cheetham, Peter

“…The discrepancy between the observed enhancement of the intrinsic dielectric strength of helium gas by mixing hydrogen and the performance of High Temperature…”
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Identification and Classification of Incipient Discharges in GIS Adopting Machine Learning Techniques by Jayaganthan, Sneha, Guvvala, Nagaraju, Ramanujam, Sarathi

“…In the present study, the PD due to particle movement, surface discharge, floating particle and corona defects in GIS are detected by adopting UHF sensor. The…”
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A utility AC-high frequency AC boost converter for high power IH applications by Guvvala, Nagaraju, Singh, Shashi B.

“…This paper presents a novel converter for utility AC-high frequency AC boost converter for high power induction heating (IH), with in single-stage conversion…”
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A single stage power factor correction converter for high voltage power and frequency applications by Nagaraju, Guvvala, Singh, Shashi B., Jayaram, N.

“…This paper introduces a modified single-stage power factor correction (S2PFC) converter topology for high voltage, power and frequency (HVPF) applications…”
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