1. Project Outline
1-1 Project Title
1-2 Project Objectives
1-3 Project Procedures
1-4 Project Outline
1-5 Expected Effect
2. Project Schedule and Implementation Method
2-1 Premise of the Study
2-2 Implementation and Flow of the Project
2-2-1 Project implementation
2-2-2 Procedures of the project
2-2-3 Project work plan & performance
2-3 KEPCO Project Team Organization and Staffing Schedule
2-3-1 Organization
2-3-2 Staffing schedule
2-4 Report Submit and Seminar
2-4-1 Report submit
2-4-2 Seminar
2-5 Counterpart Staffs
II Electric Power Industry in Indonesia
1. Electric Power Industry in Indonesia
1-1 Basic Structure of the Electric Power Industry
1-2 General Status of PLN
1-2-1 Customer
1-2-2 Generation
1-2-3 Transmission & substation
1-2-4 Distribution
2. General Condition of Project Site
2-1 General Weather Conditions of Indonesia
2-2 Distribution Organization
2-2-1 Central Java
2-2-2 East Java
2-2-3 Bali
2-3 Present Condition of Sales
2-3-1 Central Java
2-3-2 East Java
2-3-3 Bali
2-4 Power Demand
2-4-1 Central Java
2-4-2 East Java
2-4-3 Bali
2-5 Situation of Facility Operation
2-5-1 Distribution facility composition and features
2-5-2 150/20kV substation
2-5-3 20kV Service entrance facility for medium voltage customer
2-6 Maintenance System of Distribution Facility
2-6-1 Fault recovery system
2-6-2 Implementation of distribution construction
2-6-3 Distribution facility information system
2-6-4 Procurement system for distribution material
2-7 Distribution Maintenance System
2-7-1 Dispatch Control Center (DCC)
2-7-2 Distribution Operation Center (DOC)
2-7-3 Hot line work team (PDKB)
2-7-4 Substation Patrol Unit (Mobile Unit)
2-7-5 Construction and maintenance contractor
2-7-6 Activities to prevent interruptions
3. Analysis of Distribution Line Interruption
3-1 Semarang
3-1-3 Interruption analysis by cause
3-1-4 Interruption analysis by substation and feeder
3-1-5 Interruption analysis by interruption frequency and duration
3-2 Surabaya
3-2-1 Outage statistics management
3-2-2 Interruption analysis by month
3-2-3 Interruption analysis by cause
3-2-4 Interruption analysis by substation and feeder
3-3 Bali
3-3-1 Outage statistics management
3-3-2 Interruption analysis by year and month
3-3-3 Interruption analysis by cause
3-3-4 Interruption analysis by substation and feeder
3-4 Consolidation of Fault Analysis
3-4-1 Semarang
3-4-2 Surabaya
3-4-3 Denpasar
4. Measurement & Analysis of Supply Reliability
4-1 Detail of Measurement
4-1-1 Semarang
4-1-1 Surabaya
4-1-3 Denpasar
4-2 Analysis of Measured Data
4-2-1 Semarang
4-2-2 Surabaya
4-2-3 Bali
III Improvement of Reliability
1-1 Reliability
1-2 Necessity of Reliability at Distribution System
1-3 Factors Affecting to Reliability
1-4 Interruption Statistics Management
1-4-1 Purpose of interruption records & interruption statistics management
1-4-2 Interruption classification
1-5 Overview of Reliability Management Worldwide
2. Establishment of Systematic Interruption Statistic Management System
2-1 Use International Standard Reliability Index
2-2 Analyze Cause of Interruption
2-3 Recommendation on Interruption Classification
2-4 Input Data & Implement Reliability Management System
2-5 Utilization of Interruption Statistics Management Program
2-6 Introduction of Root Cause Analysis System
2-7 Important Customer Interruption Detection & Automatic Notification System
3. Improvement of Fault Prevention
3-1 Prevention of Tree Contact
3-1-1 Tree trimming
3-1-2 Partial use of insulated wire & aerial bundled cable
3-1-3 Use of curved steel pole
3-2 Surge Arresting Arrangement
3-2-1 Concept of lightning
3-2-2 Installation of overhead ground wire
3-2-3 Installation of surge arrester
3-2-4 Concurrent installation of overhead ground wire and surge arrester
3-3 Improvement of distribution Line Patrol, Inspection & Measurement
3-3-1 Distribution line patrol
3-3-2 Distribution line inspection
3-3-3 Distribution line measurement
3-4 Use Facility Diagnosis Instruments Actively
3-5 Improvement of Protective Coordination System
3-6 Preventing the Theft of Grounding Wire & Neutral Conductor
3-7 Preventing Faults Attributable to Facilities of Customer, Other Company
3-7-1 Outline of propagation fault
3-7-2 Conducting preventative diagnosis of power-receiving facilities of high-voltage customers
3-8 Preventing CSP Transformer Failure
3-9 Improving 20kV Bus Type
4. Establishment of Quick Fault Recovery Process
4-1 Material Management for Emergency Maintenance
4-2 Establishment of Electrical Facility Monitoring System
4-3 Establishment of Permanent Emergency Mobilization Process
4-4 Contractor Management
4-4-1 High voltage contractor
4-4-2 Underground contractor
4-4-3 Low voltage contractor
4-4-4 Ex-post management
4-5 Improvement on Operation System of Distribution Control Center
4-6 Improvement on Operation System of Distribution Operation Center
5. Recommendation to Improve the Distribution Operation System of PT PLN
5-1 Distribution Feeder Configuration
5-1-1 Distribution feeder interconnection and division
5-1-2 Examples of Improving Distribution feeder configuration
5-2 Implement Distribution Automation System (DAS)
5-3 Improvement of Operation Scheme for Distribution Information System (DIS)
5-3-1 Facility information and data management
5-3-2 Drawing management
5-4 Recommendation to Reduce Scheduled Interruption
5-4-1 Hot line work
5-4-2 Non-interruption work method
5-4-3 Recommendations for reducing scheduled interruption
5-5 Security of Maintenance Budget for Distribution Facility Maintenance
5-6 Improve Efficiency Distribution Planning
5-7 Reliability Improvement through Improving the Quality of Materials and Equipment
5-7-1 Material procurement in Indonesia
5-7-2 Reliability improvement through improving the quality of materials and equipments
5-8 Construction Underground Distribution Feeder
5-9 Building up Distribution Department and Hiring New Employees
6. Analysis of Investment Effect in Reliability
6-1 Interruption Cost
6-1-1 Definition of interruption cost
6-1-2 Optimization of reliability
6-1-3 Effects of electric company by the interruption
6-1-4 Interruption cost of Indonesia
6-2 Effect by the Reliability & Power Quality Improvement Strategies
6-2-1 Division & interconnection of power system
6-2-2 Introduction of facility degradation diagnostic instruments
6-2-3 Insulation of overhead line
6-2-4 Comprehensive analysis of return on investment
1-1 Purpose
1-2 Scope
1-2-1 Installed system : Slim-type TDAS
1-2-2 Components of system
1-3 Participated Staff
2-1 System Outline
2-2 Components of TDAS
2-2-1 Main server
2-2-2 Communication facility
2-2-3 FRTU
2-2-4 Switches and controller
2-2-5 Simulator
2-2-6 Application program
3. Progress Report of Pilot Project
3-1 Work Classification
3-2 Progress Schedule
4-1 Pilot Project Design and Make a Contract (2006. 11)
4-2 Object Selection for Installation of Switches
4-3 Measuring and Examination
4-3-1 Grasping communication status & measuring (2006. 10 – 2006. 11)
4-3-2 Communication method examination & conclusion (2006. 10 – 2006. 11)
4-3-3 Facility technical examination (2007. 1)
4-4 Material Delivery and Transportation
4-4-1 Material purchase and inspection (2006. 12 – 2007. 01)
4-4-2 Transportation and customs clearance (2007. 01 – 2007. 02)
4-5 Switch construction
4-6 Communication Normality
4-6-1 Progressing process with GSM modem
4-6-2 Communication configuration
4-7 DB Construction (April 16th-20th, 2007)
4-8 Main Server Installation (April 17th, 2007)
4-9 Operation Test
4-9-1 1th operation test (May 4th-5th, 2007)
4-9-2 The 2nd operation test (June 15th-22nd, 2007)
4-10 Operator and Manager Training
4-10-1 The 1st training session (May 1st-5th, 2007)
4-10-2 The 2nd training session (June 18th-20th, 2007)
4-11 DAS Operator Manipulation Capability Evaluation
4-11-1 Key evaluation items
4-11-2 Evaluation results
4-12 Trial Run (July – October 2007)
4-12-1 Communication status and success rate
4-12-2 Fault indicator accuracy & fault description
4-12-3 Protection coordination confirmation
4-13 TDAS Completion (2007. 10. 30)
5. Analysis of DAS Introduction Benefits
5-1 Quantitative Benefits of TDAS Introduction
5-1-1 Decrease in supply failure
5-1-2 Reduction of loss in high voltage distribution line
5-1-3 Suppression of distribution line construction requirement
5-1-4 Saving operational costs
5-1-5 Extension of substation cb service life
5-2 Qualitative Benefits of TDAS Introduction
5-2-1 Improvement of responsiveness to fault
5-2-2 Acquisition of line information assures optimization of distribution system operation efficiency
5-2-3 Advancement of distribution electrical engineer’s work quality
5-2-4 Scientific distribution line system operation
5-2-5 Prevention of customer complaint & improvement of service quality
5-3 Conclusion
6. Difficult Things in Progressing
6-1 Frequent Change of Communication Process(CSD –> SMS –> GPRS)
6-2 Differency of Installation Method
6-3 Frequent Earthing Pilferage
6-4 Unstable Wireless Communication Network
6-4-1 Communication environment in Semarang
6-4-2 Results of communication environment analysis
6-4-3 Resolutions
7. Necessary Complementary Measures
7-1 Independent Power Security
7-2 Durable Management For Earthing
7-3 Managing Staff Expansion
7-4 Unified Lock Using for Control Box
7-5 Promoting Business Communication with Communication Carriers
7-6 Checking & Maintaining Communication Status & Facilities Regularly
7-7 Adjusting Switch Setting Following System Change
7-8 Realigning the Direction of Switch Control Box
7-9 Considering Transition to Other Communication Platform
7-10 Reinforcement for Distribution Line Patrol and Examination
1. Object
2. Training Schedule
3. Training Program in Korea
4. Training Program in Indonesia
5. Training Result
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