Peak load levelling system
CA 1051976 A · Owner: Asea Aktiebolag · Inventors: Thorborg, Kjeld; Frank, Kjell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Load levelling system for connection to an alternating current network. This system comprises an electrochemical direct current energy supply and line-commutated controllable electronic power convertors having DC terminals connected to the energy supply and AC terminals for connection to the AC network. A continuously controllable reactive power generator is connected to the AC terminals, which comprises a fixed capacitor battery and a line-commutated reactive power convertor. This convertor comprises a first and a second line-commutated thyristor convertor connection, each convertor connection having DC and AC terminals. The convertor connections are series-connected by means of their DC …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.