Application of support vector machines for fault diagnosis in power transmission system (2008)
Ravikumar, B, Thukaram, D, Khincha, HP
Post-fault studies of recent major power failures around the world reveal that mal-operation and/or improper co-ordination of protection system were responsible to some extent. When a major power...
Fuzzy logic application for network contingency ranking using composite criteria (2007)
Thukaram, D, Jenkins, L, Khincha, HP, Visakha, K, Ravikumar, B
Electric power systems are exposed to various contingencies. Network contingencies often contribute to over-loading of network branches, unsatisfactory voltages and also leading to voltage collapse....
Thukaram, D, Khincha, HP, Vijaynarasimha, HP
This paper presents an artificial neural network (ANN) and support vector machine (SVM) approach for locating faults in radial distribution systems. Different from the traditional Fault Section...
Thukaram, D, Khincha, HP, RaviKumar, B
Phase-wise unbalanced reactive power compensations are required in distribution systems for dynamic power factor correction and terminal voltage stabilization. Shunt compensators are generally used...
Shenoy, UJ, Sheshadri, KG, Parthasarathy, K, Khincha, HP, Thukaram, D
This paper presents the modeling and simulation of a $25kV$ $50Hz$ $AC$ traction system using power system block set (PSB)/SIMULINK software package. The three-phase system with substations, track...
Monitoring the Effects of On-Load Tap Changing Transformers on Voltage Stability (2004)
Thukaram, D, Jenkins, Lawrence, Khincha, HP, Yesuratnam, G, Kumar, Ravi B
It is becoming increasingly important for power system planning and operating engineers to be capable of performing comprehensive voltage stability analyses of the systems. This need is largely due...
Shenoy, UJ, Sheshadri, KG, Parthasarathy, K, Khincha, HP, Thukaram, D
This paper presents the design, implementation and testing of a single-phase distance relaying scheme for $25kV$ $50 Hz$ AC traction system using a Texas instruments TMS320C50 digital signal...
Pakka, Vijaynarasimha H, Thukararn, D, Khincha, HP
In many fields there are situations encountered where a function has to be estimated to determine its output under new conditions. Some functions have one output corresponding to differing input...
Bapiraju, JVVN, Shenoy, UJ, Sheshadri, KG, Khincha, HP, Thukaram, D
The presence of flexible AC transmission system (FACTS) devices in the loop significantly affects the apparent resistance and reactance seen by a distance relay, as FACTS devices respond to changes...
Visakha, K, Thukaram, D, Jenkins, Lawrence, Khincha, HP, Routray, PK
Transmission charge allocation is one of the major issues in transmission open access faced by the electric power industry. This paper introduces a new method of transmission charge allocation based...
Visakha, K, Thukaram, D, Jenkins, Lawrence, Khincha, HP
Electric power systems are exposed to various contingencies. Network contingencies often contribute to overloading of network branches, unsatisfactory voltages and also leading to problems of...
A Three Phase Fault Detection Algorithm for Radial Distribution Networks (2002)
Thukaram, D, Khincha, HP, Jenkins, L, Visakha, K
Distribution networks, unlike in transmission system, may not be provided with protective devices or circuit breakers in each branch of the feeder. For any fault in the feeder, a large part of the...
Voltage Stability Improvement: Case Studies of Indian Power Networks. (1998)
Thukaram, D, Parthasarathy, K, Khincha, HP, Udupa, Narendranath, Bansilal, A
It is becoming increasingly important for power system planning and operating engineers to be capable of performing comprehensive voltage stability analyses of the systems. This need is largely due...
An Application of Functional-Dependencies to the Topological Analysis of Protection Schemes (1992)
Jenkins, L, Khincha, HP, Dash, PK
The task of systematically choosing the settings the relays in a protection scheme is facilitated by the identification of a suitable break point set and the corresponding relative sequence matrix....
Deterministic and Stochastic Petri Net Models of Protection Schemes. (1992)
Protection schemes are modelled through Petri Nets, in order to carry out performance evaluation. Marked Petri Nets are suitable for qualitative evaluation, while Time Petri Nets and Timed Petri Nets...
Fast transient stability simulation of large scale power systems (1992)
Kumar, Sreerama R, Ramanujam, R, Khincha, HP, Jenkins, L
This paper describes a computationally efficient algorithm for transient stability simulation of large scale power system dynamics. The simultaneous implicit approach proposed by H.V. Dommel and N....
Modeling and Recovery Analysis of Protection Schemes Using Petri Nets. (1992)
Jenkins, Lawrence, Khincha, HP
Any systematic study of the effectiveness of the protection scheme of a power system in recovering from a fault requires the development of a suitable model of the protection scheme. In this paper,...
Kumar, RS, Ramanujam, R, Khincha, HP, Jenkins, L
The simultaneous implicit approach proposed by H.W. Dommel and N. Sato (1972), has become the state-of-the-art for transient stability simulation. A high speed algorithm for the simulation of power...
Artificial Neural Net Based Noise Cancellor (1991)
Dash, PK, Saha, S, Nanda, PK, Khincha, HP
This paper presents a new method for noise cancellation with an Artificial Neural Network. The network used is a feedforward one with three layers . The Back propagation and stastical Cauchy’s...
An Artificial Intelligence Approach to Transient Stability Assessment (1991)
Akella, Vijay Ahaskar, Khincha, HP, Kumar, Sreerama R
An artificial intelligence approach to online transient stability assessment is briefly discussed, and some crucial requirements for this algorithm are identified. Solutions to these are proposed....
Investigation of Computation Techniques for Simulation of Large Scale Power System Dynamics (1991)
Kumar, Sreerama R, Ramanujar, R, Khincha, HP, Jenkins, L
This paper describes initial investigations towards arriving at a most suitable algorithm for real time simulation of power system dynamic. Even though the modelling and simulation aspects of real...
A high speed algorithm for simulation of large scale power system dynamics (1990)
Kumar, Sreerama R, Ramanujam, R, Khincha, HP, Jenkins, L
The simultaneous implicit approach proposed in [1] has become the state-of-the-art for transient stability simulation.The associated algorithm results in considerable saving in CPU time and...