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DELHI TRANSCO LIMITED(A Govt. of NCT of Delhi Undertaking) STATE LOAD DESPATCH CENTER REGD. OFFICE: SHAKTI SADAN, KOTLA MARG, NEW DELHI-110002 SLDC Building, 33kV Minto Road Grid Sub-Station, New Delhi-110002
Under the guidance of: S.K Srivastav Assistant Manager (T)
Submitted by:Rahul Bhardwaj SIMSR PGDM- (Operations)1
Certificate of ApprovalWe approve this Summer Project Report titled " Study and simplify the existing DTL network system (SCADA) using MIS tools" as a certified study in management carried out and presented in a manner satisfactory to warrant its acceptance as a prerequisite for the award of Post-Graduate Diploma in Business Administration for which it has been submitted. It is understood that by this approval we do not necessarily endorse or approve any statement made, opinion expressed or conclusion drawn therein but approve the Summer Project Report only for the purpose it is submitted. Summer Project Report Examination Committee for evaluation of Summer Project Report Name Signature
1. Faculty Examiner
2. PG Summer Project Co-coordinator
Certificate from Summer Project GuidesThis is to certify that Mr. Rahul Bhardwaj, a student of the Post-Graduate Diploma in Business Administration/ Post Graduate Program, has worked under our guidance and supervision. This Summer Project Report has the requisite standard and to the best of our knowledge no part of it has been reproduced from any other summer project, monograph, report or book.
Organizational Guide Designation Organization Address Date
ACKNOWLEDGEMENTI am highly indebted to A.K Rathor (Manager) for their invaluable support without which the project could have not been worked out the way it has. I am very much thankful to S.K Srivastav (Assistance manager Training) who helped me immensely in understanding the basics and complexities of along with additions that made the quality of report better. I would also like to extend a note of thanks to all other employees of Delhi Transco Limited who helped me directly or indirectly in successful completion of my project. I am also grateful to Prof. ________ who gave his precious inputs, which also helped me to take the plunge of getting into an absolute different stream of finance.
TABLE OF CONTENT S No.1 2Executive summary Introduction i. ii. DTL SLDC
Page No.7 8 8 9 10 10 11 12 12 12 13 13 16 16 17 17 18 18 19 20 22 22 23 26 27 27 28 29
3 4 5 6
Scope of SLDC Working of SLDC system Organisational chart of SLDC Functions of various circles of SLDC i. ii. iii. System operation. Supervisory Control and Data Acquisition (SCADA) Energy Accounting
Committees of SLDC and their working Distribution network of electricity in India
i. ii. iii. iv. v. 9i. ii. iii. iv. v.
NRLDC ERLDC WRLDC SRLDC NERLDCNDPL BYPL BRPL NDMC MES
Electricity network in Delhi
10 11 12
Introduction to MIS in the DTL system Main menu of SLDC system SCADA MENU i. SCADA HOME5
ii. iii. iv. v. vi. vii. viii. ix. x. xi. xii. xiii. xiv. xv.
SLDC One lines Communication Alarm Net security Gen dispatch Planning System management Modelling Net Analyst Generation analyst System Analyst Data Exchange Current operational Plan
36 54 54 55 57 59 60 61 63 64 64 65 66 67 68 69 70 73 73 75 78
13 14 15 16 17 18 19
Demerits of SLDC MIS solution for current system Proposed process diagram Advantages of using MIS Conclusion Annexure References
EXECUTIVE SUMMARYAIM: - Study and simplify the existing DTL network system (SCADA) using MIS toolsDelhi Transco Limited is the state transmission utility of the national capital territory of Delhi which deals with all the work related to providing electricity to the Delhi region. Every state has their own central governing body to govern the electricity. It is important to govern the electricity properly because problem like theft, leakage, breakdowns, etc are very common in the electricity business. So carefully monitoring the electricity flow is very important. To monitor all this DTLs load despatch centre has a system known as SCADA which brings all the information from all the substations and the power plants which give or distribute the electricity to the Delhi region. This system is setup only to give and take the information no controlling is done through this medium. My aim through this training would be to develop a means through which SCADA can not only gather uninterrupted information from all the parts of the network but also control the working of the system from the one centre therefore not requiring manual telephonic messaging as a means of communicating the command of DTL. Through my project DTL can benefit as they have a different angle to see their existing system and can work on the current system flaws and then work on making it more user friendly and more efficient and effective.
First understanding what DTL does and where it lies in the hierarchy of the electricity
distribution in India. After understating the working of DTL then I will do an in depth analysis of the SCADA system which is currently being used in the Load Despatch centre. After careful analysis I will find out the flaws or demerits of using this system and suggest a better and more effective way to connect the whole system which had minimum time lag and required minimal manual monitoring. To understand the whole SCADA system I would be required to work on the server and understand the system, this task would require some assistance as to one has to work very carefully when working on servers because all the system as interconnected therefore a wrong click can exit the system and bring down the whole server. So before working on the server proper has to b e taken as which are more danger prone areas of the server and in which areas in the server I have to be careful not to click on the wrong option. Carefully studying the system and uses of all the options I will represent it all in a presentable form in this report so that a 3 rd person can understand the functions of the SCADA system by just looking into this report. At last, after proposing the MIS system I will explain its working and also explain how it will be better than the current system being used in DTL. After proposing the process diagram I will note the advantages of the new system.
INTRODUCTION TO DELHI TRANCO LIMITEDMISSION: To facilitate intra and interstate transfer of power with Responsibility, Security and Economy on sound commercial principles. Delhi Transco Limited is the State Transmission Utility of the National Capital Territory of Delhi. It is responsible for transmission of power at 220KV and 400KV level, besides up gradation operation and maintenance of EHV Network as per system requirements.
After the enactment of Electricity Act 2003, a new department under the name and style of State Load Despatch Centre (SLDC) under Delhi Transco Limited was created, as an Apex body to ensure integrated operation of the power system in Delhi. Earlier the department was part of O&M Department of Delhi Transco Ltd / Delhi Vidyut Board. SLDC Delhi started its function on the First of January 2004. SLDC is responsible for the real time Load Despatch function, O&M of SCADA System and Energy Accounting. Delhi Transco Limited is the State Transmission Utility of the National Capital Territory of Delhi. It is responsible for transmission of power at 220KV and 400KV level, besides upgradation operation and maintenance of EHV Network as per system requirements. After the enactment of Electricity Act 2003, a new department under the name and style of State Load Despatch Centre (SLDC) under Delhi Transco Limited was created, as an Apex body to ensure integrated operation of the power system in Delhi. SLDC Delhi started its function on the First of January 2004. SLDC is responsible for the real time Load Despatch function, O&M of SCADA System and Energy Accounting. Delhi Transco Limited is the State Transmission Utility responsible for augmenting and maintaining existing Transmission System consisting of 220kV and 400kV sub-stations and Transmission Lines Network, efficiently and effectively in the National Capital Territory of Delhi. DTL also takes care of Power needs of Delhi by arranging power on short term and long term basis. After the enactment of Electricity Act 2003, a new department under the name and style of State Load Despatch Center (SLDC) under Delhi Transco Limited was created, as an Apex Body to ensure integrated operation of the power system in Delhi. SLDC Delhi started its function on the First of January 2004. SLDC is responsible for the real time Load Despatch function, O&M of SCADA System and Energy Accounting.
Introduction to SLDC: There are multiple agencies within a state engaged in generation, transmission, and distribution of electricity. State Load Dispatch Centre monitors these operations and keeps the account of quantity of electricity transmitted through the state grid. SCADA is a part of it. Supervisory Control And Data Acquisition System (SCADA) is a high tech computer system with associated communication network that enables supervision and control of power system network. Demand for power is increasing very fast due to continual improvement in quality of urban life style as well as expansion of industrial sector. The rapid increase in demand for power is associated with growing level of power system network complexity in terms of need for unified grid operation while maintaining the operational parameters. Further increased openness in the power sector economy has put additional pressure on the power companies to manage the power system resources in the most optimum manner within regulatory const