Key Insights into Constructing a 4000KVA – 22/0.4KV Transformer Substation: Costs, Timeline, and Expertise

Constructing a transformer station is a pivotal task that demands meticulous planning, a robust understanding of electrical systems, and precision execution. In this detailed article, we outline the complete cost package for building a 4000KVA – 22/0.4KV substation in Vietnam, under the proficient management of QuangAnhcons. This guide aims to equip potential clients and partners with a thorough understanding of all aspects related to substation construction, including associated costs, required documentation, and timelines, ensuring a seamless construction process.

Detailed Cost Breakdown

1. 22KV Transmission Line (10.73% of total costs)

• • Includes materials such as high-voltage transmission poles, insulators, covered cables for phase and ground wires, reclosers, and labor as part of a full package.
  • Detailed components like 24Kv Polymer Suspension Insulators, recloser units with control panels, and comprehensive line testing ensure reliability and performance.

• 14m High-Voltage Transmission Line Pole
• Iron Crossarm L2200x75x75x8mm/Zn
• Crossarm Brace 60x6x920
• 24Kv Standoff Insulator + Rod
• 24Kv Polymer Suspension Insulator
• AXV 50mm2 Covered Cable: Phase Wire
• Bare AC 25mm2 Cable: Ground Wire
• CXV 25mm2 Covered Cable: Phase Wire
• “Recloser 3P 27kV 630A 16kA/3s
• Include:
  • NOVA 27i
  • FDX control panel, connection acessories”
• Power supply transformer for recloser 1P 12,7/0,23kV – 1000VA
• DS 3P- 630A – 24kV-150 kV BIL, OD, Polymer, install on 1 pole
• LBFCO 200A-24kV Polymer + Base
• LA 18KV 10KA Polymer + Base
• TU, TI
• Medium Voltage TU, TI Support (H, V50 frame)
• 3P 4 Wire 120/60V – 5A Electronic Meter
• Cu/XLPE/PVC 4Cx25mm2 Cable – 0.6/1kV
• Composite Electric Meter Box Size H500 x W300 x D200
• Grounding for Line Section
• Pole Foundation
• Line Section Testing
• Line Section Accessories: Hotline Clamp 2/0 (50-70), Insulator Cap, Grip Clip, Cable Lug, Mid/Low Voltage Tape, Bolts, LA Cover, LBFCO…
• Labor Cost Calculated as a Package

2. 4000KVA Substation Materials (85.62% of total costs)

• • Major components include 14m high-voltage poles, various types of crossarms with braces, substation grounding and platform setup, and a large array of line accessories.
  • Critical equipment like a 4000KVA oil transformer, 6300A fixed type ACB, and a reactive power compensation system of 2000Kvar are included to ensure optimal operation.
• 14m High-Voltage Transmission Line Pole
• Composite Crossarm 2400x75x75x6mm + Brace: LBFCO
• Iron Crossarm L2400x75x75x8mm/Zn + Brace
• 24kV Standoff Polymer Insulator DR600 + Non-Lead Covered Rod
• Low Voltage Cable Support
• Substation Platform and Fence
• Substation Grounding
• Line Accessories: Insulator Cap, Cable Lug, Mid/Low Voltage Tape, Bolts, LA Cover, LBFCO, LBFCO Nameplate, Pole Nameplate, Station Nameplate, No Climbing Sign…
• Pole Foundation
• 24KV C/XLPE/PVC 25mm2 Covered Cable
• CV/600V-300mm2 Cable from MBA – 10 Strands/Phase
• CV/600V-300mm2 Cable from MBA – Neutral Wire 5 Strands/Ground
• Cu300mm2 Cable Lug
• 3 Phase oil transfomer 4000KVA- 22/0.4KV
• LBFCO 200A-24kV Polymer + Base
• LA 18KV 10KA
• MSB Cabinet (ACB + reactive power compensation) Double Doort
• ACB 3P 6300A 100KA Fixed Type
• Reactive power compensation 2000Kvar
• Equipment Testing
• Labor Cost Calculated as a Package

3. Other Costs (3.65% of total costs)

   • These encompass design and assessment fees, supervision, connection cut-off fees, commissioning tests, and costs related to transporting construction machinery and materials.

• Design and Assessment Costs
• Supervision Costs
• Power Cut Connection Fee
• Commissioning Test Fee
• Approval Documentation for Substation Installation, Completion
• Construction Machinery & Material, Equipment Transport Cost

Customers can discover a comprehensive list of materials, equipment, and their corresponding technical specifications for each aspect of the substation construction cost, detailed in the article attached to this video.

Construction Process and Timeline for a 4000kVA Substation

Building a 4000kVA substation goes beyond mere assembly; it involves extensive planning and meticulous execution. This process begins with thorough site preparation, followed by the installation of key structural elements, and culminates in rigorous testing of all electrical components. A well-defined construction timeline is essential, giving stakeholders a clear view of the project’s duration. The entire process is anticipated to span a concise period, ensuring efficiency from start to finish.

Effective Management in Transformer Station Projects: Contractor’s Oversight and Investor’s Document Coordination

In any transformer station project, effective management is critical. The contractor is pivotal in steering the project, ensuring strict adherence to electrical standards and seamless cooperation with energy regulatory bodies. On the other hand, the investor plays a supportive role by providing essential legal documentation, including updated land ownership certificates, necessary permits, and validated personal IDs, all notarized to maintain their validity. The project progresses through well-defined phases, from initial groundwork to final completion, all scheduled within a strategically planned 60-day timeframe. This includes 45 days of in-depth preparatory work and 15 days of focused construction activities.

Documentation and Regulatory Compliance

To ensure adherence to all local regulations, critical documents including land use certificates, business licenses, and environmental commitments are meticulously prepared before construction begins. This step is essential for the seamless progress and on-schedule completion of the substation project.

Warranty and Customer Support

QuangAnhcons offers a comprehensive warranty and dependable after-sales service to address any operational issues swiftly after installation. This commitment to quality ensures continuous operational efficiency and high customer satisfaction.

Financial Planning in Substation Construction: A Collaborative Model

The financial strategy for constructing a transformer station is thoughtfully divided into three key phases. The process begins with the initial payment upon contract signing, which enables the contractor to start procuring and transporting necessary materials and equipment. The next payment phase is activated upon the confirmed arrival of the transformer, facilitating the commencement of its installation and the initial operational tasks. The financial framework is completed with a final payment once the transformer station is fully functional and all collaborative tests between contractor and investor are successfully concluded. This structured payment approach ensures fluid financial transactions and promotes the timely completion of the project.

Investing in a High-Performance Substation with QuangAnhcons

Choosing QuangAnhcons for your 4000kVA – 22/0.4kV substation project guarantees not just a superior quality power solution but also a pledge to outstanding service and support. Our meticulous planning and execution for each project phase demonstrate our commitment to advancing Vietnam’s development sustainably.

For expert advice or to begin your substation project with QuangAnhcons, contact us at:

• Hotline: (+84) 9 1975 8191

Please Note: All provided figures are estimations and may vary based on site conditions and market variables. Our direct communication channels are open for real-time updates and custom solutions.

Quang Anh CE Co.,LTD

• Hotline: (+84) 9 1975 8191
• Email: project@quanganhcons.com
• Address:Unit 02, 08th floor, Pearl Plaza Building, 561A Dien Bien Phu Street, Ward 25, Binh Thanh District, Ho Chi Minh City
• Business Hours: Monday to Friday, from 8:00 am to 5:00 pm