After 40 years of establishment and development, Power Transmission Company 1 (PTC1) has become the leading unit of the National Power Transmission Corporation (EVNNPT). The ownership of technology has helped the company complete early, on schedule, and ensure the quality of many national key transmission projects.
Take the human factor seriously
As a unit of EVNNPT established on May 1, 1981, after 40 years of building and maturing, generations of leaders of PTC1 always care and invest in people, so that employees can own equipment, technology, ensure the power grid operation, safety, efficiency and quality assurance. 
Apply technology to check heat emission, detect the cause of the problem early Currently, the power grid managed by PTC1 is mostly transformers with large capacity (250MVA with 220 kV), (900 MVA with 500kV), along with oil resistance are the main equipment in the substations ( TBA). The company has widely applied online monitoring equipment to control the pressurized state under OLTC load, cooling system, current, pressure, oil … revealing the breaker of the company applying GIS, COMPACT technology, vertical compensation systems 500kV-2000A, new technology … is implementing the roadmap of gradually bringing 220 kV substations into remote control. The company is also the leading unit in the lead and acceptance of digital substations in Vietnam (220 kV Thuy Nguyen substation) and is assigned by EVNNPT to develop a process for accepting digital substations in the corporation. The development of technology and the rapid growth of the volume and scope of management requires that the qualifications of the staff be enhanced to meet the requirements. Accordingly, the company has identified training objectives for each specific target group with many types of training. At the same time, to alternate dispatching qualified, qualified and young staff members at substations, functional departments and regional power transmissions to the company’s technical department, while training in the form of mentoring, just participating in the work of acceptance of new projects to get an overview, synchronize and improve the level … Owning technology equipment The results of many recent years show that the company always ensures good implementation of the incident targets. The quality of human resources has been raised, creating conditions to arouse a movement to promote technical innovation initiatives in labor. In the past 5 years, the company has had 288 initiatives proposed to be applied in production, bringing an estimated value of several tens of billion VND, more importantly, initiatives and rationalization of production are all derived from practical needs of production. 
Thuy Nguyen 220kV substation (Hai Phong) is the first digital substation of EVNNPT managed and operated by PTC1. The appreciation of the human factor and creating conditions for each individual to improve their skills has helped the company to master equipment, technology and become more and more professional in management. By internal force, the company has successfully implemented a number of typical projects such as: replacing porcelain and accessories for the whole 220kV Hoa Binh – Ha Dong transmission line; overhaul and overhaul 500 kV transformers at Ha Tinh, Nho Quan and Hoa Binh stations … In addition to major repair works, the company has also successfully implemented many large-scale and complex construction investment projects such as: Raising the capacity of 500 kV capacitor line in Nho Quan- Ha Tinh; increase capacity of 500kV Thuong Tin substation; raising the capacity of the 220 kV transmission line Hoa Binh – Nho Quan … are all group B projects with total investment value of 300 to 450 billion dong. With efforts to care about people, the company has overcome many difficulties and always completes the assigned tasks. With the achievements in the past 40 years, PTC1 has been awarded many noble titles and awards by the Party and the State such as: Third Class Independence Medal in 2000; Labor Hero 2005; Second Class Independence Medal in 2007; First Class Independence Medal 2014.
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