The Islamic Republic of Iran Preparatory Survey on the Shahid Rajaee Power Plant Construction Project Final Report
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The Islamic Republic of Iran Thermal Power Plants Holding Company (TPPH) The Islamic Republic of Iran Preparatory Survey on the Shahid Rajaee Power Plant Construction Project Final Report October 2018 Japan International Cooperation Agency (JICA) Tokyo Electric Power Services Co., Ltd. 7R JR(先) 18-033 The Islamic Republic of Iran Preparatory Survey on the Shahid Rajaee Power Plant Construction Project Final Report Table of Contents Chapter 1 Introduction ......................................................................................... 1-1 1.1 Background to Survey ...................................................................................................... 1-1 1.2 Objectives and Scope of the Study ................................................................................... 1-1 1.2.1 Objectives of the Study .............................................................................................. 1-1 1.2.2 Scope of the Study ..................................................................................................... 1-2 1.3 Study Schedule ................................................................................................................. 1-7 1.4 Study Implementation System .......................................................................................... 1-8 Chapter 2 Overview of Electric Power Sector .................................................... 2-1 2.1 Electric Power Sector System .......................................................................................... 2-1 2.1.1 The Ministry of Energy.............................................................................................. 2-2 2.1.2 TPPH ......................................................................................................................... 2-3 2.1.3 TAVANIR ................................................................................................................... 2-4 2.1.4 SATBA ...................................................................................................................... 2-8 2.2 Present Status of Supply & Demand / Forecast Demand ................................................. 2-8 2.2.1 Present Status of Electric Power Demand in Iran ...................................................... 2-8 2.2.2 Status of Electrical Power Demand in the Regional Electric Companies ............... 2-10 2.2.3 Forecast of Electrical Power Demand in Iran .......................................................... 2-11 2.2.4 Forecast of Electrical Power Demand at Regional Electric Company TREC ......... 2-12 2.3 Current Status of Power Generation Facilities ............................................................... 2-13 2.3.1 Power Generation Facilities ..................................................................................... 2-13 2.3.2 Transmission, Distribution, and Substation Facilities ............................................. 2-19 2.4 Electric Power Facility Plans for Future ........................................................................ 2-24 2.5 Power Generation Policies ............................................................................................. 2-28 2.5.1 Policy on Development of Thermal Power Plants ................................................... 2-28 2.5.2 Privatization ............................................................................................................. 2-34 2.5.3 Renewable Energy ................................................................................................... 2-37 2.6 Electrical Power Distribution (Power Charging System) ............................................... 2-40 2.6.1 Electrical Power Distribution Routes ...................................................................... 2-40 i The Islamic Republic of Iran Preparatory Survey on the Shahid Rajaee Power Plant Construction Project Final Report 2.6.2 Liberalization of the Electrical Power Wholesale Market ....................................... 2-41 2.6.3 Electrical Power Consumer Prices ........................................................................... 2-47 Chapter 3 Natural Conditions .............................................................................. 3-1 3.1 Overview .......................................................................................................................... 3-1 3.2 Site Geological Conditions ............................................................................................... 3-1 3.2.1 Status of the Ground .................................................................................................. 3-1 3.2.2 Results of Geological Survey .................................................................................... 3-4 3.2.3 Discussion on Geological Properties ......................................................................... 3-9 3.2.4 Groundwater Conditions .......................................................................................... 3-10 3.3 Topographical Conditions of the Site ............................................................................. 3-10 3.3.1 Topographical Conditions ........................................................................................ 3-10 3.3.2 Land Formation Plan ............................................................................................... 3-11 3.4 Climatic Conditions ........................................................................................................ 3-12 3.5 Well Water ...................................................................................................................... 3-13 3.6 Conclusion ...................................................................................................................... 3-14 Chapter 4 Fuel Supply Plan ................................................................................. 4-1 4.1 Fuel Sector in Iran ............................................................................................................ 4-1 4.1.1 Outline of Fuel Sector in Iran .................................................................................... 4-1 4.1.2 Current Status of Natural Gas Development in Iran .................................................. 4-4 4.2 Gas Pipelines .................................................................................................................... 4-6 4.3 The Existing Fuel Facilities of Shahid Rajaee Power Station ........................................ 4-10 4.3.1 Gas Facilities ........................................................................................................... 4-10 4.3.2 Gas Oil Facilities ..................................................................................................... 4-12 4.3.3 Status of Fuel Use in Shahid Rajaee Power Station ................................................ 4-13 Chapter 5 Power System Analysis and Grid Connection Plan ......................... 5-1 5.1 Basic concept and calculation conditions of power system analysis ................................ 5-1 5.1.1 Objectives .................................................................................................................. 5-1 5.1.2 Power Flow Analysis ................................................................................................. 5-1 5.1.3 Fault Current Analysis ............................................................................................... 5-1 5.1.4 Steady state stability/Transient stability Analysis ...................................................... 5-1 ii The Islamic Republic of Iran Preparatory Survey on the Shahid Rajaee Power Plant Construction Project Final Report 5.1.5 System Frequency Analysis ....................................................................................... 5-2 5.1.6 Work Flow of Power System Analysis ...................................................................... 5-2 5.1.7 New Generator Specification ..................................................................................... 5-3 5.1.8 Power System Modeling ............................................................................................ 5-3 5.2 Result of Power system analysis on 2cct and π connection ............................................. 5-3 5.2.1 Case Scenario(2cct and π connection) .................................................................. 5-5 5.2.2 Result of pre calculation(2cct and π connection) ................................................. 5-6 5.2.3 Method of fault current reduction【Bus-splitting】(2cct and π connection) ...... 5-14 5.2.4 Result of Power Flow and Voltage after the Bus Splitting operation measures(2cct and π connection) ........................................................................................................... 5-23 5.2.5 Result of Steady state/Transient stability calculation after the bus splitting operation measures execution(2cct and π connection) ................................................................ 5-35 5.2.6 Result of power system frequency calculation after generator unit outage ............. 5-54 5.3 Result of Power system analysis on 2π connection ........................................................ 5-55 5.3.1 Result of pre calculation(2π connection) ............................................................ 5-56 5.3.2 Method of fault current reduction【Bus-splitting】(2πconnection, Bus-splitting) .........................................................................................................................................