PMU distribution line protection automation system is a new line distribution automation system.for slove presentproblem especially of earth fault. which is base on a Distribution Network Synchronous Phasor Measurement-μPMU.PMU (phasor measurement unit), A stand-alonedevice or module. The voltage/current samplingdata are all with a BDS/GPS timestamp accurateto US level.Basic functions:• Phasor: amplitude, phase Angle,• Frequency (f) and Frequency Variation (△f/△t)&mu

IntroductionPOWERCHINA is a specialized enterprise in building design, construction and investment. Till now, POWERCHINA has completed a series of landmark projects, including Longyue Chang'an High-end Townhouse, Sanya Conifer Resort, Xiamen University Malaysian Campus, Angola Benguela Gymnasium, etc. At present, POWERCHINA's ongoing projects value over 220 billion RMB, with a total floor area of over 70 million ㎡.Projects1. Longyue Chang'an High-end TownhouseLongyue Chang'an is a high-end townh

Sinomach's trade covers a wide variety of fields, including machinery, electronics, shipbuilding, textiles and light industries. The company has made great strides in the machinery and electrical product trade in China.ShipsSinomach specializes in shipbuilding, ship conversions, fabrication of ocean engineering ships and large steel structures, as well as import and export of related auxiliary equipment and materials. With more than 200 ships of various types already built and delivered to overs

Sinomach is a competitive contractor for overseas power projects and a top power plant exporter in China. The company has seized over 70-percent share of China’s total power plant exports in terms of installed capacity. Sinomach has supplied complete sets of power plant equipment and acted as a general contractor for dozens of countries and regions in Southeast Asia, South Asia, West Asia and Africa. It has helped to promote social and economic development in these countries and regions.Bithia C

Financial ServicesSinomach provides investment and financing solutions and capital-oriented financial products for its member companies in a bid to optimize allocation of resources, save financial costs, ensure capital safety and improve operational efficiency.Asset ManagementWith the help of financial instruments in the capital market, Sinomach conducts market-based asset management and coordinates capital investment activities to improve asset value and operational efficiency.Capital Investmen

Depending on strong sci-tech R&D capacity, abundant manufacturing resources and a rich accumulation of technology, Sinomach has made significant achievements in energy-conservation as well as smart and remanufacturing technologies in the engineering machinery service sector. A large number of competitive engineering machinery products have been developed, many of which are the first of their kind in China.Sinomach products range over earthmoving machinery, compaction machinery, excavating ma

The largest casting and manufacturing base in China, Sinomach possesses large modern equipment and facilities for smelting, casting, forging, heat treatment and machining, along with complete testing methods and sound quality assurance systems. The company is capable of producing various high-quality castings and forgings that meet national and international standards. It has provided sets of castings and forgings for national hydropower stations including the Gezhou Dam, the Three Gorges Dam, t

Sinomach provides large quantities of complete sets and lines of equipment (some exported abroad) for major iron and steel enterprises in China. It is the largest R&D and equipment manufacturing facility in China. The company adopts critical technology, including those for complete sets of metallurgical and forging equipment. Sinomach has successfully tackled many technical difficulties concerning complete sets of equipment. It has won numerous top prizes in China for its scientific and tech

With mature project management, reliable technical support, competitive business expansion, efficient resource integration and comprehensive operation service, we are able to provide one-stop service of whole value chain, including preliminary stage of project planning and financing, execution stage of EPC service and subsequent stage of personnel training and operation management.

IntroductionAs of the end of September 2022, POWERCHINA has implemented a total of 28 investment projects in 13 overseas countries, with a total investment of approximately US$32.721 billion. 18 projects have been put into operation and 10 are under construction, including 3 equity acquisition projects, 5 hydropower projects, 9 thermal power projects, 4 wind power projects, 1 photovoltaic power project, 2 railway projects, 1 highway project, 1 building materials project, and 2 mineral resources