Sruthy V. currently serves as Assistant Professor at the Department of Electrical and Electronics Engineering at Amrita School of Engineering, Amritapuri. Sruthy V. has completed B. Tech. in EEE from Amrita School of Engineering in the year 2009 and M. Tech. in Power Systems from Government Engineering College,Thrissur in the year 2011. She secured National level Excellence Award for the performance in ISTE workshop on Solar Photovoltaic conducted by IIT Bombay 2011. She is also Life time member of Indian Society for Technical Education.




Publication Type: Conference Paper
Year of Publication Publication Type Title
2015 Conference Paper J. R and Sruthy, V., “Fault ride through augmentation of microgrid”, in International Conference on Advancements in Power and Energy (TAP Energy), 2015, Kollam, India, 2015.[Abstract]

The modern grid codes for fault ride through specifications in transmission and distribution grids specify that Distributed Generation (DG) must remain connected to the grid even at voltages well below the nominal voltage. This is contrary to the traditional approach, whereby the power plants were not required to stay connected. The reliable operation of the grid during this period is challenging as the inverter based DGs are designed to operate reliably at nominal voltages and does not function well under the abnormal conditions. This paper presents a new fault ride through scheme that limits fault current within the system limits. The microgrid (MG) model considered here is studied under normal and fault situation and a fault analysis on an islanded microgrid with two wind sources and a Photovoltaic (PV) source. Different types of faults are considered at random points to study the effect of fault location and recovery time. A novel control strategy for the interface converter is proposed where a master-slave control is adopted for the sources, which enables the power sharing between the DGs and a fault ride through logic that addresses the fault current limiting is developed. The scheme has been validated with simulation results in MATLAB/Simulink.

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2013 Conference Paper S. Surendran and Sruthy, V., “An Isolated Bi-Directional Converter with Improved Power Conversion Efficiency for DC Distribution Systems”, in Proceedings of National Conference on Technological Advancements in Power and Energy, 2013.[Abstract]

A bidirectional AC-DC and DC-DC converter is proposed for DC distribution systems with high frequency isolation and bidirectional power flow capability. The
topology is based on a non-isolated bidirectional AC-DC converter for grid-connected operation and an isolated bidirectional DC-DC converter to interface between DC bus and DC link of the rectifier. The proposed converter has the ability to not only transfer energy from the grid to the vehicle, but also transfer energy from the vehicle to the grid (V2G). So, this converter can be used as a power backup for the grid. This converter allows fast control and high power density and requires proper controlling method for the switches which is implemented via programming. The prototype model of the bidirectional charger topology can be used for the hybrid electric vehicle applications and they provide a flexible power processing interface between an energy storage device and the rest of the system.

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2012 Conference Paper V. Sruthy, “Transient Stability Enhancement of Wind Farms connected Power System”, in Second National technological congress, 2012.
2010 Conference Paper V. Sruthy, “Design of Strategic Information in the Deregulated Indian Power market: An agent based approach”, in All India seminar: Open Access & Market development of Power in India_ The Institute of Engineers India, 2010.
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