Concentrated Solar Power, Getting to the heart of energy - LEONI
Concentrated Solar Power, Getting to the heart of energy - LEONI
Concentrated Solar Power, Getting to the heart of energy - LEONI
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www.leoni-communication-infrastructure.comSystem integrityTechnical Information97Maintaining <strong>the</strong> functionality <strong>of</strong> cable installations in event <strong>of</strong>fire. The test involves <strong>the</strong> cable and <strong>the</strong> laying resp. fasteningsystem.Test proceduresThe pr<strong>of</strong>iles are installed <strong>to</strong>ge<strong>the</strong>r with <strong>the</strong> fastening system in atesting oven with a minimum length <strong>of</strong> 3 m. The conduc<strong>to</strong>rs areconnected <strong>to</strong> a 400 V (for control cables 110 V) power source andfused with 2 A. The testing temperature is 850 °C up <strong>to</strong> 1000 °C.The test is considered <strong>to</strong> be passed, if during <strong>the</strong> test <strong>the</strong>re is noShort circuit or circuit interruption in <strong>the</strong> cable system. The classificationE30, E60, E90 bases on <strong>the</strong> least favourable result obtainedon at least two identical specimens. The heat-induced increasein conduc<strong>to</strong>r resistance is not taken in<strong>to</strong> account during<strong>the</strong> test.Test standard DIN 4102 part 12:1998-11E30 850 °C <strong>to</strong> 900 °C for 30 minE60 850 °C <strong>to</strong> 970 °C for 60 minE90 850 °C <strong>to</strong> 1000 °C for 90 min
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