The Tutorials of IEEE CATCON 2013 , to be held at Jadavpur University Campus, Kolkata, India between 06-08 December, 2013, will be held on 06 December, 2013 at 10:00 am at TEQIP Hall Nos. 1 & 2 .

Tutorial 1 : "GAS INSULATED TRANSMISSION LINES" by Dr.-Ing. Hermann Koch, Siemens, Germany

Dr. Hermann Koch was born in Hauswurz in Germany, on November 8th, 1954. He graduated from the Technische Hochschule Darmstadt as Dipl- Ing. in 1986 and received his PhD (Dr.-Ing.) at the same University.
His employment experience included the Hoechst AG, Frankfurt and the Siemens AG, Erlangen, Germany. His special fields of interest include gas insulated high voltage technology.
Hermann Koch is a Fellow engineer of PES and has published more than 130 international papers, is author of the ‘GIL’ book of IEEE-Press published by Wiley, and co-author of the ‘Substations’ book IEEE-Press published by CRC. He holds more than 30 patent rights most of them in the field of gas insulated transmission lines.
In IEEE Standards Association (SA) he was member of the SA Board from 2002 to 2009, chair of the PES Substations Committee 2009 to 2011 and is now member of the IEEE PES Board for Long Range Planning. He is listed in the Distinguished Lecturer Program (DLP) for gas-insulated technology


The Smart Grid of the future will have to deal with a large number of changes in the structure of the electrical power supply, with regenerative energy generation, fluctuating energy sources, distributed wind and photo voltaic in large numbers, far away new large scale generation like offshore wind farms of several Gigawatt of electric power and an increasing fleet of electric vehicles. At the same time conventional power plants will be reduced in total power and in operating time per year.
To keep this new electric power supply stable a strong transmission backbone system is needed to interconnect wide areas of power regenerative generation and load centers. New transmission routes are required and existing routes need to be used more efficiently. A combination of overhead lines and high power underground GIL seems to be a possible solution in some cases.
Gas insulated lines (GIL) offer these high power ratings when underground solutions are necessary. GIL is not a new technology but has only been applied inside substations, power plants or tunnels in most cases. Only a few transmission lines are installed in the aspect of long distance power transmission. With this also the knowledge of functionality, design, application, cost, ecology, system integration, life time, maintenance, monitoring and other aspects are not know widely in the power engineering society.
This tutorial will give basic information to understand the function of a GIL, the requirements for a reliable operation and the application fields where GIL offers the best solution.
The tutorial is based on a new book on GIL published by the author for IEEE through Wiley ( ) last year which gives basic information on the gas insulated technology, design, development and applications.

Tutorial 2 : "TRANSFORMER CONDITION MONITORING USING DIELECTRIC RESPONSE MEASUREMENT" by Prof. Tapan Saha, University of Queensland, Brisbane, Australia

Professor Tapan Saha was born in Bangladesh and immigrated to Australia in 1989. He is a Professor of electrical engineering and leader of the Division of Power & Energy Systems in the School of Information Technology and Electrical Engineering at the University of Queensland, Brisbane, Australia. Before joining the University of Queensland in January 1996, he taught at the Bangladesh University of Engineering and Technology, Dhaka, Bangladesh, for three and a half years and at James Cook University, Townsville, Australia, for two and a half years. He is a member of Australian CIGRE Panels A2 and D1. He has been working on Transformer condition monitoring for more than 20 years. He has successfully supervised 20+ PhD students in electrical engineering. He has received many competitive grants from the Australian research council, Queensland Government, Australian Power Institute and also directly from electricity industry. He has widely published in the area of transformer insulation ageing and dielectric methods. Prof. Saha is a Fellow and Chartered Profession Engineer of the Institute of Engineers, Australia and a Senior Member of IEEE.


Transformer is one of the major equipment in a power system network. Many transformers around the globe are operating beyond their design lives. Thermal, hydrolytic and oxidation are the main causes of insulation ageing within a transformer.  DGA has been widely used for diagnosing incipient faults  for many years. We have developed a number of intelligent machine learning tools to diagnose the condition of  insulation. A number of polarisation based diagnostics have been in use by us for many years. This includes, PDC, RVM and FDS  techniques. A number of ageing indicators and their interpretation techniques have been investigated with the help of controlled ageing experiments and field measurements within substation environments. This tutorial will outline key methodologies of DGA and polarisation based diagnostics and their application for the maintenance of aged transformers.  

Tutorial 3 : "CONDITION MONITORING OF MOTORS AND GENERATORS" by Mr. Cajetan Pinto, Vice-president, Global R&D Head, ABB Motors and Generators, Service

Cajetan Pinto is currently R&D Manager for ABB Motors & Generators, Service.
He started his career designing motors at Reuland Electric California, and then joined the family-run motor service business, Lenzohm Electrical Engineering Company in Mumbai. From 1997- 2002 Cajetan was Managing Director of ABB Lenzohm Service Ltd, an ABB JV company, which was subsequently merged into the ABB motor and generator business.
He has been instrumental in developing ABB's Lifetime Expectancy Analysis Program (LEAP) for stator windings in Electrical Machines, and started up the LEAP Global Center of Excellence for LEAP in Mumbai. He has been working as R&D Manager for ABB Motors and Generators Service since 2008 and runs the operation with a team of 20 persons at the Global R&D Centre for Motors & Generators Service in Mumbai.
Cajetan has presented many papers at engineering conferences around the world and has over 50 published technical papers. Cajetan holds a Masters Degree in Electrical Engineering from the University of California, Irvine USA, specializing in electrical machines.


Motors and Generators with stators that employ mica based insulation systems in their windings, form a very critical part of assets in utilities and industries. The reliability of motors and generators are often determined by the condition of the insulation system, and motors that are rated over 2 MW, it is believed that over 60% failures are attributed to stator windings. Besides in generators used in utilities, downtime contributed by stator windings accounts for over 40% of the total downtime experienced due to generator outage.
Electric insulation systems are acted upon by Thermal, Electrical, Ambient and Mechanical stresses, which result in degradation of the insulation. Diagnostic measurements used in condition assessment of insulation systems have been used over the years in trending the degradation of stator insulation systems, but with limited success.
The tutorial is aimed at developing an understanding of how stator winding insulation systems behave and fail in operation, and accordingly creating a strategy for assessment of such insulation systems.
During the process, the tutorial will look at the application of advanced techniques such as Polarization Depolarization Current Analysis, while also addressing the interpretation of information collected from Partial Discharge measurements and tan delta and capacitance measurements, in order to greatly improve the quality of assessments made.




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