Industrial Training Report On
“ELECTRICAL SUBSTATIONS AND MAINTENANCE ” at Karnataka Power Transmission Corporation Limited, Bagalkot Zone, Bagalkot.
Sangamesh. S. Doddamani. (USN: 2BA06PES04)
Industrial Training Report On
“ELECTRICAL SUBSTATIONS AND MAINTENANCE ” at Karnataka Power Transmission Corporation Limited, Bagalkot Zone, Bagalkot.
Submitted in partial fulfillment of the requirements for the degree of
M.Tech in Power and Energy Systems
By Sangamesh. S. Doddamani. (USN : 2BA06PES04)
Under the guidance of
Dr. Suresh H. Jangamshetti
S.S. Kolaki
PG Coordinator E & EE Department Basaveshwar Engineering College, Bagalkot.
Executive Engineer(El), Transmission Circle, KPTCL Vidyagiri, Bagalkot.
Department of Electrical & Electronics Engg., (Govt. Aided, AICTE – NBA Accredited. Recognized VTU Research Centre)
Basaveshwar Engineering College, Bagalkot-587102 (TEQIP Lead Institute AICTE Recognized, Affiliated to VTU Belgaum)
B.V.V.S
Karnataka, INDIA
00
2007-08
Basaveshwar Basaveshwar Engineering College, Bagalkot-587102 Bagalkot-587102 Karnataka, INDIA
B.V.V.S
Department of Electrical and Electronics Engineering CERTIFICATE
Certified that, Mr. Sangamesh. S. Doddamani.(USN:2BA06PES04) has undergone undergone Industria Industriall Training Training at Karnataka Karnataka Power Power Transmis Transmission sion Corporati Corporation on Limited, Bagalkot zone, Bagalkot., under the supervision of. Y. Nagraj Rao. Superintendent Engineer, Transmission(W&M), KPTCL, Bagalkot. “Electrical al Substations Substations and The candid candidate ate has submit submitted ted the report report entitl entitled ed “Electric maintenance” after completion of Industrial Training.
Dr. Suresh H. Jangamshetti PG Coordinator
Dr. S G. Hiremath Head of Department
Dr. R. N. Herkal Principal
ACKNOWLEDGEMENT
I express my gratitude to to Dr. R.N. Herkal . Principal, BEC, Bagalkot., Dr. S. G. Hiremath, HOD, E & E Engg, Shri. Govindraj. D. M. Chief Engineer, TZ, Bagalkot,
for giving permission to do the Industrial Training at KPTCL, Bag alkot Zone, Bagalkot. I am thankful thankful to Dr. Suresh H. Jangamshetti ., Training Guide & Coordinator of the programme, and
Shri. Y. Nagaraj Rao.
Engineer(El), ), Tr. Superintendent Engineer(El
(W&M), Bagalkot., for the guidance and encouragement given during training period. I express my sincere thanks to Shri. S. S.Kolaki,
EE(O), EE(O), W&M, Bagalkot, Bagalkot,
Shri. A. R. Afgan, E.E., M. W.D., Bagalkot, Shri. S. S. Umadi , E.E., M.W.D. Bijapur, Mr. R. S. Ravishkumar , E.E., TL & SS, Bagalkot, for the valuable guidance given by
them during the training period. I express my sincere thanks to the P.G. Programme faculty Dr.(Smt). Uma Rao, Dr.(Smt). D.S. Jangamshetti, Shri. R.G. Patil, Shri S.M. Patil, Shri. V.D. Holla and Shri. R.L. Naik , for their valuable guidance and assistance. I am also thankful to Shri V. M. Kulkarni, JE, MWD., Shri. Rajesh Patel , Site Engr., ABB, Bijapur and Shri. Shivappa V. Sobarad , AE(E), AE(E), 220/110 KV Substation Substation,, Bagalkot, who have spared their valuable time and shared there knowledge on substations establishment, operation and maintenance. I extend thanks to all the KPTCL Staff, Bagalkot Zone, who have helped during training period. Sangamesh. S. Doddamani. USN:2BA06PES04
Abstract Growing demand for the availability of reliable and quality power has made the job job of substati substations ons more importa important. nt.
This This can be achiev achieved ed by establ establish ishing ing the new
substations substations,, with most efficient and reliable reliable equipments and taking taking at most care in their operation and maintenance. These aspects make the Power Power & Energy System Engineers to know more about the establishment, establishment, operation and maintenance maintenance of substations. In this view training was undertaken at KPTCL, Bagalkot zone, Bagalkot. During training an effort was made to know about 1) Factors considered for establ establish ishing ing new substa substati tions ons
2) Import Importance ance of substa substatio tion n eart earthin hing g
3)
Study Study of
operations and maintenance of major substation equipments and 4) Responsibilities of Electrical Engineer’s in establishing operation and maintenance of substations. Industrial Training was obtained at the following substations substations of KPTCL. 1. 110/11 110/11 KV Sub-S Sub-Stat tation ion Shir Shiragup aguppi pi Tq: Bilag Bilagii 2.
110/11 110/11 KV SubSub-Sta Statio tion, n, Sadapu Sadapurr Tq: Mudho Mudholl
3. 110/11 KV Sub-Statio Sub-Station, n, Neerabu Neerabudhihal dhihal,, Tq: Tq: Badami Badami 4. 220/110/ 220/110/33/ 33/11 11 KV SubSub-Sta Stati tion, on, Bagak Bagakot ot 5. 110/11 110/11 KV KV SubSub-Sta Statio tion, n, Baga Bagalko lkott 6. 220/110/11 220/110/11 KV Sub-St Sub-Station ation,, Bijapur Bijapur (Near Shivagiri Shivagiri)) Establishing the Substations near load centers, installing the standard and efficient equipment and by the well planned maintenances schedule, make the utilities to minimize losses reduce the cost of operation and maintenance and enable them to supply quality and reliable power to the consumers.
Contents Page No. 1.
About KPTCL
1
2.
Establishing Substations
5
3.
Earthing of Substations
7
4.
Distrib ribution of of Tr Transforme rmers
19
5.
Power Transformer
29
6.
The The Ele Elect ctri ricc Sub Subst stat atio ion n and and Its Its Mai Maint nten enan ance ce
37
7.
Duti Duties es of Shif Shiftt Engi Engine neer erss In-ch In-charg argee of Subs Substa tati tion onss
57
Conclusion
67
References
68
Annexure
69
a) KPTCL - Organizational Organizational Chart Chart Bagalkot Zone b) Line Diagrams of Sub stations, stations, Transmission Line Line Grid Maps, Towers, etc.
ABOUT STUDENT
Mr. Sangamesh. S. Doddamani .
Sangamesh. S. Doddamani born in Guledgudd, Dist. Bagalkot, Karnataka, India., on 22nd July, 1963. Obtained B.E.(Electrical) from Karnataka University Dharwad in 1985 and Post Graduate Diploma in Teaching Computer Applications from National Institute of Technical Technical Teachers Training and Research, Research, Channai in 1995. Areas of interest interest are NonConventional Energy Sources and Microprocessors . Resource person for Workshops on “ Better Learning Skills and Study Habits” and “Communication Skills” for Diploma students. Presen Presently tly workin working g as Select Selection ion Grade Grade Lectur Lecturer er in the Departm Department ent of Electr Electrica icall and Electronics Electronics Engineering Engineering at B.V.V.S. B.V.V.S. Polytechni Polytechnic(Aut c(Autonomous onomous), ), Bagalkot. Bagalkot. and doing M.Tech. in Power & Energy Systems at Basaveshwar Engineering College, Bagalkot.
Address : Sangamesh. S. Doddamani. “Santrupti”, 3rd Road, 14th Plot, Opp: BEC Boys Hostel, Vidyagiri, Bagalkot-587102. Cell No: 94487 51831 Ph: 08354-233232
Email Id:
[email protected]
ABOUT TRAINING GUIDE
Dr. Suresh H. Jangamshetti Jangamshetti
Dr. Suresh H. Jangamshetti was born in Bijapur, Karnataka, India on 28 may 1963. He obtained B.E (Electrical) degree from Karnataka University Dharwad in 1985 and M. Tech. (Power Systems) & Ph.D. (Wind Energy Systems) from IIT Kharagpur in 1989 & 2000 respectively. His areas of interest include Solar-Wind Energy Systems, SCADA & EMS, Computer Applications to Power Systems, Microprocessor Based System Design and Computer Relaying. He has several publications in IEEE Transactions and Power Engineering letters. He has attended National and International conferences. He has organized several Short Term Training Programs for teachers and students. He own the “Outstanding IEEE Student Branch Counselor” award for the 1996 at Basaveshwar Engineering College, Bagalkot, Indi India. a. He his his a seni senior or memb member er of IEEE IEEE,, life life memb member er of Indi Indian an soci societ ety y for for Wind Wind Engineering, life member of ISTE and Member of Institution of Engineering (India). He is the director for BVVS International programs and BEC-AICTE Coordinator. Presently he his working as a Professor in the Department of Electrical & Electronics Engineering at Basaveshwar Engineering College, Bagalkot. He is also adjunct visiting professor to MIT Manipal.
Contact:
[email protected] Contact:
[email protected] /
[email protected] /
[email protected]
ABOUT TRAINING SUPERVISOR
S.S. Kolaki. Executive Engineer(El), Transmission Circle, KPTCL, Vidyagiri, Bagalkot. Cell No.: 94483 65288 Ph: 08354- 233032 & 233029 (off)
S.S. S.S. Kolaki Kolaki.. born born in Gokak, Gokak, Dist. Dist. Belgaum Belgaum,, Karnat Karnataka aka,, India. India.,, on 11th June, 1950. Obtained B.E.(Electrical) from Karnataka University Dharwad in 1974. Served as Asst. Lecturer at B.V.B. College of Engineering, Hubli from 1975 to 1977. From From 1977 joined Karnataka Electricity Board as Asst. Engineer. Then served as Asst. Executive Engineer in Meter Testing Sub Division, HESCOM, Bagalkot for 7 years.
Presently he his working as a Executive Engineer in Transmission Circle ( W&M ), KPTCL, since 2005.
Department of Electrical & Electronics Engineering (Govt. Aided, AICTE-NBA accredited, Recognized VTU Research Center)
Basaveshwar Basaveshwar Engineering College, Bagalkot -02 (TEQIP Lead Institute, AICTE Recognized, Affiliated to VTU Belgaum)
Karnataka, INDIA PH: 08354 – 234060 (office), 234204 (TeleFax), 234457 (Dept), http://www.becbgk.edu
Conclusion The following aspects play a vital role in providing reliable and quality power to the consumers by the substations 7.
Establ Establish ishing ing the the subst substati ations ons near near to the the load load center centerss makes makes it possib possible le to supp supply ly quality and reliable power by the utilities at competitive prices by minimizing losses in transmission and distribution.
8.
Prop Proper er desig design n of subst substat atio ion n and by the use use of effic efficie ient nt equip equipme ment nt provi provides des a high level of service continuity and flexibility of operation reducing the cost of operation and maintenance.
9.
Plan Planne ned d main mainte tena nanc ncee sche schedu dule le keep keepss the the subs substa tati tion on equi equipm pmen entt in prop proper er condition to provide reliable and efficient operation with reduced down time.
References: [1]
Manual on “Duties of Shift Engineers In-charge of Sub-Stations( Sub-Stations( Up to 110 KV )”, Karnataka Power Transmission Corporation Limited., KPTCL – 2/SD, April, 2000.
[2]
Krishnaswamy K R Addl. Dir.(Retd.)/CPRI, “Maintenance of Power Transformers” Karnataka Power Corporation Limited, HRD Centre, Centre, May, 2004.
[3]
“The Electric Sub Station and Its Maintenance” Karnataka Maintenance” Karnataka Power – KPTCL, KPTCL, Vol1,April-May-June 2005.
[4]
Study Study materi material al on “Train “Training ing Programm Programmee on Mainte Maintenanc nance” e” KPTCL Training Training Institute.
[5]
www.kptcl.com