The VII Russian Conference on Lightning Protection is a platform where a business gains knowledge and expertise of scient...
Streamer - Thiết bị điện: Cao - Trung - Hạ thế, Chống Sét Van, Thiết bị đường dây và Trạm biến áp
https://streamer-electric.com/
Streamer - Thiết bị điện: Cao - Trung - Hạ thế, Chống Sét Van, Thiết bị đường dây và Trạm biến áp
https://streamer-electric.com/
On June 2, the Streamer leaders met with the Minister of Economy of Guatemala and the Ambassador of Guatemala to Russia
Streamer Electric AG designs, manufactures and delivers solutions intended to improve the reliability of power supply, reduce operational activities and cut down costs, as well as ensure industrial safety.
The company's product portfolio comprises the range of LLPDs for installation on 6-70 kV overhead lines, fault indicators, transformers on-line drying solution and Lightning Strike Counter allows to count the number of lightning strikes.
Streamer AG has received 120 patents for technology and devices suitable for industrial applications. Unique designs underlying the company's innovations made it possible to create products demanded in different countries, especially in regions with high lightning activity, where crucial attention should be given to the lightning protection of overhead power lines. Today, almost two million LLPDs based on multi-chamber system, more than 2,000 TRANSEC modules, and more than 30,000 short-circuit indicators, are installed worldwide.
The company was founded in 1996. Today, its staff counts 175 professionals working in six countries: Switzerland, China, UK, Thailand, Ecuador, and Russia. Since 2012, the company headquarters has been located in the city of Chur in Switzerland. The company has modern production facilities in Russia and the UK.
Lightning protection, Lightning and its interaction with overhead lines, Chống sét van đường dây không và trạm biến áp Streamer
HTTPS://STREAMER-ELECTRIC.COM/PRODUCTS/LIGHTNING-PROTECTION/
Lightning is a very common natural phenomenon. About 6 lightning strikes hit the Earth’s surface each second. Below is a map of the flash density developed by NASA. You can estimate the situation in your region: if ground flash density (GFD) is greater than 10, then you should not ignore it.
Direct Lightning Strike (DLS) |
Induced Overvoltage (IOV) |
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Direct strike creates a lightning impulse splitting and propagating along the line making insulators flashover on its way. Indirect strike generates induced overvoltages on the line by electromagnetic effects. It can also lead to insulator flashovers. After insulators flashover, the current powered by a transformer at the nearest substation deviates from the normal circuit: fault current establishes through the insulators affected by lightning overvoltage. |
of follow current
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of lightning overvoltage propagation
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A unique & efficient technology for Line Lightning Protection.
EasyQuench is a unique technology, developed and being improved since 1996 by Streamer. Products featuring the EasyQuench technology protect overhead lines against direct and indirect lightning strikes, thus helping to prevent breakage of conductors, insulators and power outages. Due to their operating principle, line lightning protection devices (LLPDs) do not require any special grounding (e.g. a ground lead). Therefore, these devices are especially efficient in areas with high soil resistivity.
Products are tested in the leading and most recognized high voltage laboratories worldwide
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FIPRES - Fire/overheating prevention, Phòng chống cháy nổ / quá nhiệt Streamer
https://streamer-electric.com/products/fipres-fire-overheating-prevention/
Typical scenario of fire inside electrical cabinets is shown below:
Early detection of abnormal temperature rises will prevent electrical failures and fire months before the problem rises. It also allows to save equipment from using at overheated conditions and prolongate its lifespan. On this basis, FIPRES is made. FIPRES offers a comprehensive and affordable solution for LV and MV electrical panels and switchgears. The technology implies the easy application of temperature-sensitive stickers (rFPT) on conductors and busbars of electrical equipment. Each sticker has indicative points, that irreversibly change color when the conductor heats up to a certain temperature. After reaching the critical temperature level (activation temperature), the stickers start to emit signal gas (non-toxic and non-flammable), that is being detected by the special sensor (FPA) located in the same volume. As soon as the sensor detects the presence of signal gas inside the cabinet, it emits an alarm signal to SCADA system or any other external system via dry contact output.
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