QuangAnhCons is a professional contractor specializing in designing and constructing electrical systems and transformer stations in Gia Lai. The company stands out with services from planning to execution and operation for both industrial and residential needs.
Comprehensive Transformer Station Solutions
QuangAnhCons offers construction services for various capacity transformer stations, from 1000kVA stations to larger projects like the 2500kVA station at Long Hau Industrial Park 3. This includes everything from legal procedures to project acceptance testing, ensuring stable operations.
This service is the optimal solution for electricity demands of industrial parks, residential, and commercial areas. Our diverse range includes industrial transformer station design and installation solutions, both indoor and outdoor. Clients can choose from medium and low voltage stations, with capacities from below 100kVA to over 1500kVA, and different voltage levels such as 22kV, 35kV, 110kV, up to 1000kV depending on project requirements.
A key strength of this service lies in professional transformer station design, providing fitting solutions to meet customer power requirements, thus optimizing investment costs and enhancing energy usage efficiency.
Construction processes are methodically carried out, adhering strictly to technical standards, safety regulations, and legal requirements, ensuring absolute safety for both projects and users. Furthermore, all materials and equipment for transformer stations have clear origins, with CO-CQ certification from renowned brands like Thibidi, EMC, ABB, Mitsubishi, Cadivi, LS, Eaton, and Schneider.
This power construction service extends beyond just installation of transformer stations, supporting the entire process from licensing to project acceptance documentation. Customers benefit from warranty and periodic maintenance for long-term stable operations.
With advantages like cost savings, time efficiency, and reduced technical risks, the comprehensive transformer station service is the preferred choice for industrial, residential, and commercial construction projects, meeting stable and efficient power demands.

Electrical System Design and Operation
QuangAnhCons’s services range from design to operation of electrical systems, ensuring stable and sustainable power supply for both industrial and residential sectors.
Key Components of the National Electrical System
- Power Sources: Power plants ensuring energy supply, including hydroelectric, thermal, and renewable sources like solar and wind. Diversifying power sources is crucial for effective power operation.
- Transmission and Distribution Grid: Comprising high and ultra-high voltage lines like 110 kV, 220 kV to 500 kV, with transformer stations playing key roles in grid technology.
- Electrical Consumers: Households and enterprises using electricity for production and daily activities.
Electrical System Design
- Designs using various voltage levels to meet optimal operational requirements.
- High voltage lines and intermediary transformer stations are arranged to minimize losses and ensure safe transmission.
- Backup factors and reliability are meticulously calculated to ensure uninterrupted system operation and energy security.
System Operation
- Power regulation from plants is optimized to match consumption needs, with solar and hydro contributing significantly to balance maintenance.
- Operating the grid requires stringent management of electrical flow on transmission lines and using SCADA technology for real-time monitoring and control.
Role and Impact of Electrical Systems
- Providing continuous energy for production and daily life while ensuring safety for national defense and communication operations.
- Integrating renewable sources and reducing emissions are critical strategies for sustainable development.

Medium and Low Voltage Grid Solutions
QuangAnhCons provides comprehensive solutions for medium and low voltage grid construction, including grid undergrounding to enhance energy stability and efficiency.
Medium and low voltage grids play a significant role in improving the reliability, safety, and operational efficiency of electrical systems serving residential, industrial, and urban areas. Modern solutions are being deployed, including smart grids and digital technologies.
Medium Voltage Grid:
- To reduce overloads, medium voltage lines operate under 50% capacity, enhancing equipment longevity.
- Each line serves 5,000-6,000 customers within an 8 km radius, ensuring coverage and efficient power supply.
- Electricity is supplied from two 110 kV transformers to increase reliability for each customer.
- Ringing circuits in 110kV and 22kV grids improve operational flexibility and timely fault handling.
- Medium voltage transformer stations (22kV, 35kV) are installed following IEC and TCVN standards, with integrated smart monitoring systems enhancing energy supervision, quality, and reducing operational costs.
- Strategic in industrial zones, middle voltage grids ensure safe and stable electricity supply for production.
Low Voltage Grid:
- Low voltage transformer stations serve about 60-65% load, supplying energy to no more than 300 customers within a 300m radius.
- Optimized lines reduce incidents and adjust voltage to meet usage demands.
- Automation and remote control technologies in grids enhance operational efficiency, enabling accurate energy supervision and improved power quality.
Modernization and Smart Grid:
- Smart grid applications using electronics, telecommunications, and real-time data processing allow flexible system operation, minimizing energy loss.
- Digital management models, automated operations, and intelligent energy monitoring help quickly detect failures and optimize load, offering practical benefits for consumer energy management.
- These solutions are widely deployed in areas like Ninh Binh, Ha Nam, Nam Dinh, and Ho Chi Minh City, contributing to sustainable energy sector and local socio-economic development.
In summary, medium and low voltage grid solutions in Vietnam are advancing towards synchronization and optimization, applying clear load standards and modern technology to ensure safe and efficient power supply.

Quality and Safety of Electrical Equipment
QuangAnhCons prioritizes using high-quality equipment with full certification to ensure project safety and durability, approved by the energy sector.
Electrical equipment quality and safety are ensured by strict adherence to both national and international technical standards and legal requirements. These standards establish a framework to minimize electrical hazards, protecting users and ensuring operational efficiency. Particularly, TCVN 5699-1:2010 (IEC 60335-1:2010) defines general safety requirements for household appliances with rated voltages not exceeding 250V for single-phase equipment and 480V for others. This standard emphasizes surrounding device safety to protect users.
- Standard TCVN 12669 (IEC 60204) targets safety for industrial equipment, especially for voltages over 1.000 V AC or 1.500 V DC and not exceeding 36 kV, ensuring operational and maintenance security.
- Standard IEC/EN 62368-1 addresses electrical and IT equipment rated no more than 600V, specifying protective measures to reduce risks of accidents, injuries, or fires.
- National Regulation QCVN 4:2009/BKHCN demands safety for devices like electric fans, microwaves, and ovens, ensuring they meet corresponding TCVN standards.
- QCVN 132:2022/BTTTT applies to telecoms and IT terminals, based on IEC 62368-1:2018, with safety requirements including free-fall and impact tests, effective from 2024.
Strict compliance with these standards reduces risks of electric shock, fire, and environmental harm, while boosting device durability and efficiency.

Highlight Projects by QuangAnhCons
A standout project by QuangAnhCons is the 2500kVA transformer station at Long Hau Industrial Park 3, highlighting the company’s reputation and commitment to delivering effective energy solutions.
QuangAnhCons has established its position in the M&E construction field in Vietnam, notably with significant projects in industrial electrical systems, transformer stations, and renewable energy. Each project demonstrates the company’s capability to provide advanced, high-quality solutions.
The Long An transformer station project plays a pivotal role in providing electricity for the Mekong Delta’s industrial development. As the lead contractor, QuangAnhCons designed and built modern transformer stations using premium equipment from ABB and Schneider. This project enhances operational efficiency and showcases professional collaboration in industrial electrical infrastructure.
At Nhon Trach II Industrial Park – Loc Khang, Dong Nai, the expanded transformer station project features two 2500kVA transformers, a 4000A ACB cabinet, a 22kV overhead and underground line system, and a 1000kVar reactive power compensation system. Completed in December 2024 for RVN Fibers Ltd., this project illustrates the capability to provide stable and continuous industrial electrical systems for large-scale production and operations.
QuangAnhCons impact extends to renewable energy with rooftop solar and electric vehicle charging projects. Notably, in Ho Chi Minh City’s High-Tech Park, QuangAnhCons executed solar projects for factories, logistics centers, and fast EV charging stations, optimizing energy use and protecting the environment with equipment from major brands like ABB, Mitsubishi, Schneider.
Comprehensive MEP services from design to construction and maintenance are crucial for QuangAnhCons’s consistent quality in every project. With an experienced technical team and advanced technology, the company guarantees quality, timing, and cost-effectiveness. This makes QuangAnhCons a reliable partner in M&E projects, specifically in medium and low voltage systems, air conditioning, water supply, and fire protection in industrial plants.

QuangAnhCons reaffirms its position as a trusted partner in electrical system infrastructure. With robust construction capabilities and strategic solutions, the company ensures exceptional technical benefits and long-term investment value.
Contact QuangAnhCons at Hotline: +84 9 1975 8191 for top-notch electrical system construction and installation services in Gia Lai.
QuangAnhCons provides design, construction, and operation of electrical systems, with a focus on transformer stations, ensuring quality equipment, timely project delivery, and comprehensive solutions for clients.
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