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Published29/10/2024
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Deadline13/11/2024
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Opening of tenders14/11/2024
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Today09/10/2026
Utilities
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Supply, installation and commissioning of a 110/11kV power transformer; 25/31,5MVA, by terms of reference
To supply, install and operate a three-phase power transformer, which will export the electricity produced from 2 cogeneration units installed on the territory of Toplofikatsia Ruse AD to Bulgaria’s electricity system, according to a technical specification. 1. Characteristics of the working environment and place of installation 1.1 Ambient air temperature - • Not higher than +40°C • Not lower than minus 30°C 1.2 Max. mean temperature for 24h + 35°C 1.3 Pollution - Pollution level 1 (P1) 1.4 Altitude - Up to 1000 m 1.5 Place of installation - Outdoor 1.6 Seismic resistance - 0.3 g 2. Grid parameters 110 kV 2.1 Rated voltage 3~110 000 V 2.2 Maximum voltage 123 000 V 2.3 Rated frequency 50 Hz 2.4 Number of phases 3 3 Grid parameters 11 kV 3.1 Rated voltage 3~11000 V 3.2 Maximum voltage 12000 V 3.3 Rated frequency 50 Hz 3.4 Number of phases 3
https://app.eop.bg/today/436631
https://app.eop.bg/today/436631
31210000 - Electrical apparatus for switching or protecting electrical circuits
31200000 - Electricity distribution and control apparatus
09000000 - Petroleum products, fuel, electricity and other sources of energy
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