Marine

Tovoy & Varendey, constructions HN327 and 328

Type of vessel Icebreaker
Description The largest icebreaker vessel in its category in the world.
Client Offshore & Marine ASA (Norway)
Machines supplied to the customer by Alconza (per vessel)

Tovoy and Varendey are vessels with similar machinery, with those for Varendey being more powerful:

  • 4 synchronous generators (5525KW / 720rpm / 6600V)
  • 2 asynchronous propulsion motors (8400KW / 660rpm / 3000V)
  • 2 asynchronous propeller engines (800KW / 1200rpm / 6600V)
  • 3 asynchronous vertical pump motors (700KW / 1800rpm / 6600V).
Shipyard Keppel Singmarine (Singapore)
Shipowner Lukoil (Russia)

Moskav & S. Petersburg

Type of vessel Icebreaker
Description 2 vessels were produced, and we supplied the following machines for each one. They were the first icebreakers to be built in Russia in 30 years.
Client Aker Power & Automation Systems AS (Norway)
Machines supplied to the customer by Alconza
  • 2 generators of 7,5 MVA
  • 2 generators of 5,6 MVA
  • 2 asynchronous motors in tandem execution for propulsion of 4,1 MW (VSD)
  • 1 motor for thrust propeller of 1 MW (VSD)
Shipyard Baltiysky Zavod (Russia)
Shipowner FSUE Rosmorport (Russia)

Akademik Tryoshnikov

Type of vessel Arctic and Antarctic expedition vessel, icebreaker type
Description This icebreaker, which replaces the “Akademik Feodorov” operates in the Arctic and Antarctic, and was built in Russia with the most advanced technology. It employs the AFE (Active Front-End) propulsion system.
Client Wärtsilä
Machines supplied to the customer by Alconza
  • 2 synchronous generators (7.87MVA / 600 rpm / 6.3 KV)
  • 1 asynchronous generators (5.25MVA / 600 rpm / 6.3 KV)
  • 2 synchronous propulsion motors (2 x 7MW / 136 rpm / 6 KV). VSD
  • 1 water-jacket type motor (1.2MW / 1200 rpm / 690 V). VSD
  • 1 motor (850KW / 1116 rpm / 690 V).VSD
Shipyard Admiralty Shipyard (Russia)
Shipowner Roshydromet (Russia)