Oulu Mill
OULU MILL Trafo Elettro has supplied n.30 cast resin transformers and nr.2 oil transformers to Stora Enso, a company manufacturer of pulp, paper and other forest products, headquartered in Helsinki – Finland. It develops and produces solutions based on wood for a range of industries and applications worldwide, it is leader in the bioeconomy and meets demand for renewable eco-friendly products. Transformers have been installed in unit Oulu Mill in northern Finland. By the end on 2020 Oulu Mill will be converted for kraftliner production and then it will produce 450.000 tonnes of kraftliner and 550.000 of pulp per year. Transformers supplied have the following technical characteristics: Nr.2 cast resin transformers Power: 6300kVA Primary voltage volt: 20500 ±2×2,5% Secondary voltage at no load volt: 6300+n Vector group: Dyn11 Nr.1 cast resin transformer Power: 6300kVA Primary voltage volt: 10500 ±2×2,5% Secondary voltage at no load volt: 6300 Vector group: Yy0 Nr.3 cast resin transformers Power: 4000kVA Primary voltage volt: 10500 ±2×2,5% Secondary voltage at no load volt: 690+n Vector group: Dyn11 Nr.2 cast resin transformers Power: 4000kVA Primary voltage volt: 10500 ±2×2,5% Secondary voltage at no load volt: 690+n Vector group: Yyn0 Nr.4 cast resin transformers Power: 3150kVA Primary voltage volt: 20000 ±2×2,5% Secondary voltage at no load volt: 690+n Vector group: Dyn11 Nr.4 cast resin transformers Power: 3150kVA Primary voltage volt: 10500 ±2×2,5% Secondary voltage at no load volt: 690+n Vector group: Dyn11 Nr.1 cast resin transformer Power: 3150kVA Primary voltage volt: 6300 ±2×2,5% Secondary voltage at no load volt: 690+n Vector group: Dyn11 Nr.2 oil transformers Power: 2000kVA Primary voltage volt: 10500 ±2×2,5% Secondary voltage at no load volt: 400+n Vector group: Dyn11 Nr.4 cast resin transformers Power: 2000kVA Primary voltage volt: 10500 ±2×2,5% Secondary voltage at no load volt: 400+n Vector group: Dyn11 Nr.8 cast resin transformers Power: 1600kVA Primary voltage volt: 20000 ±2×2,5% Secondary voltage at no load volt: 400+n Vector group: Dyn11 Nr.1 cast resin transformer Power: 1600kVA Primary voltage volt: 6300 ±2×2,5% Secondary voltage at no load volt: 410+n Vector group: Dzn0
Chemical industry
CHEMICAL INDUSTRY Trafo Elettro has supplied n.2 cast resin transformers 4000kVA, n.2 cast resin transformers 2500kVA and n.2 cast resin transformers 630kVA to a multinational with approximately 24.500 employees and more than 115 plants located all over the world. In particular these transformers have been supplied to one of the most important plants located in France, in Chalampe, which produces Nylon 6,6 and other plastic materials for the automotive, textile, packaging and consumer goods. Transformers supplied have the following technical characteristics: Power: 4000kVA Primary voltage volt: 20000 ±2×2,5% Secondary voltage at no load volt: 5800+n Vector group: Dyn11 Power: 2500kVA Primary voltage volt: 20000 ±2×2,5% Secondary voltage at no load volt: 410+n Vector group: Dyn11 Power: 630kVA Primary voltage volt: 5500 ±2×2,5% Secondary voltage at no load volt: 410+n Vector group: Dyn11 Power: 630kVA Primary voltage volt: 5500 ±3×2,5% Secondary voltage at no load volt: 410+n Vector group: Dyn11