Power Supply to Mohsen Steel Rolling Production Complex

Technical Specifications

•    Mahyariz 63/400 kV substation arrangement:
o    Four-key ring scheme, convertible to full 1½ breaker scheme
o    Two 400 kV incoming feeders
o    Two transformer feeders rated at 200 MVA each
o    One additional 200 MVA transformer feeder for future Extension
•    63 kV section arrangement:
•    Single busbar scheme
•    Two simple transformer feeders
•    Six simple outgoing feeders
•    One 63 kV coupler
•    One additional simple transformer feeder for Extension
•    Ten additional simple outgoing feeders for Extension

Moshanir responsibility:

Moshanir provided engineering, design, 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 control and guard buildings
•    Single-line protection and control diagrams (AC and DC systems)
•    Preparation of tender documents
•    Review of technical and financial reports of proposals
•    Drafting of contract documents
•    Ensuring compliance of design with technical specifications and contractual requirements

Key Achievements

•    Reliable power supply infrastructure for a major steel production complex
•    Flexible substation design enabling future Extension
•    Strengthened industrial electrification capacity in Yazd region