شرح کلی سیستم: سیستم حفاظت زمین از آنجایی که شبکه انتقال نیرو سه سیمه است، با درنظر گرفتن آنکه طرف ثانویه ترانسفورماتورهای قدرت اتصال مثلث می‌باشد، بنابراین در صورت بروز اتصالی فاز به زمین، مسیر برگشت جریان به شبکه را نخواهد داشت و اشکال شبکه آشکار نخواهد شد و لذا لازم است که برای چنین […]
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شرح کلی سیستم: Generator start-up system or Static Frequency Converter (SFC) has long been integrated into MECO products. MECO has recently developed its domestically-produced system called MAPLCI. SFC Advantages Reducing equipment and system complexity Allowing unlimited generation of varying frequencies Significantly reducing maintenance costs Increasing accuracy in supplying varying frequencies General system description: In
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Generator Excitation System The THYRIPOL 520/1800 R excitation system is one of the main strategic systems in power plants used in gas and steam units. It is manufactured by MECO under SIEMENS license for medium and large-scale generators. To achieve redundancy (2×100%) and increase the system reliability, two separate working channels including two AVR controllers
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Generator & Transformer Protection System and Synchronization System In power plants, equipment protection and maintenance is of particular importance, in addition to capital saving, protection system plays an important role in reliable electricity generation. In case a machine lacks the adequate safety mechanisms, or the protection system is somehow out of service, most likely, in
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Boiler & Burner Control & Protection Systems The automatic control system for the boiler in the combined cycle power plant has the following control loops for steam boiler protection. Boiler start-up: The local panel handles the basic operations such as turning on or off the boiler, and operating and managing pumps, fans, valves, etc. The
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Distributed Control System (DCS) MECO provides various solutions for automation and control of different processes in industrial sites, especially power plants and oil and gas sites. These solutions include systems under SPPAT2000-3000 license and domestically-manufactured MAPCS distributed control system. A distributed control system in large industrial sites consists of the following components: Instruments/actuators are the
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Gas & Steam Turbine Governor Control System Turbines can be classified into two types based on their power source: gas and steam. In a gas turbine, gas combustion at high pressure and temperature creates the driving force to rotate the blades. In a steam turbine, superheated water vapor at high temperature and pressure spins the
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products freight wagon freight wagon Because of the wide range of items transported by the rail sector, the design and construction of freight wagons vary in technical characteristics. MLC has developed the expertise to produce a wide range of freight wagons based on customer requirements. The company’s two-axel flat wagons, for example, can transport
product 25-MW Mobile Land Based Power Plant 25 MW mobile land based power plant Considering the broad market and functions of mobile power plants, the Mapna Group has started designing mobile land-based power stations (on trucks) in TUGA company ™ and in partnership with Pars and MECO companies since July 2014. MGT-30 turbines with compatible
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products alstom locomotive electrical block alstom locomotive electrical block Electrical blocks are the most important component of electric locomotives, and their sensitivity necessitates routine maintenance. Any breakdown could lead to the cool-down of locomotive, and subsequently incur huge costs on the rail transportation system. The modular electric block eliminates these issues because it can be
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MAPNA Group is a group of over 70 companies operating in various sectors, including power and water, oil and gas, transportation, and more. The scope of activities within MAPNA Group encompasses the development and transfer of cutting-edge global technologies, the design and production of key equipment based on advanced technologies, as well as the management and execution of large projects. Additionally, the group engages in investment and offers a wide range of engineering, operation and maintenance services to numerous clients in both domestic and international markets.
