Period
2007–2013
Client
Yazd Regional Electricity Company
Location
Yazd city
Stage
Testing and commissioning phase
Technical Specifications
• Paknejad 20/63 kV GIS substation includes:
• Two complete 63 kV feeders
• Two 20/63 kV power transformer incoming feeders
• Twelve 20 kV outgoing feeders
• One coupler with single busbar arrangement and bus coupler
• Two 20 kV capacitor bank feeders with two capacitor bank sets, each rated at 2.7 Mvar, divided into three equal steps
Moshanir responsibility:
Moshanir provided engineering and site supervision services across phases I, II, and III, including:
• Load flow studies
• Short-circuit current calculations
• Preparation of single-line diagrams, layouts, and sections
• Architectural, structural, and foundation design for the control building
• Single-line protection and control diagrams (AC and DC systems)
• Preparation of tender documents
• Technical and financial evaluation of proposals
• Drafting of contract documents
• Ensuring compliance of design with technical specifications and contractual requirements
Key Achievements
• First GIS substation in Yazd Province, serving as a valuable experience for the region
• Successful design and execution despite space limitations due to the substation’s location inside the city
• Full compliance with provincial cultural heritage requirements during construction
