Patent · US Active

Method and system for start and operation of an electrically driven load

US8872467B2 · kind B2 · utility

0Cited by

5References

24Claims

0Family size

Assignee

Aker Engineering & Technology AS · NO

Inventors

Ole Johan Bjerknes · Oslo, NO
Trygve Johannes Lund · Oslo, NO

Key dates

Filing date	Aug 20, 2012
Grant date	Oct 28, 2014
Priority date	—
Expiry date	Aug 20, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2260/85
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method and system for starting and operating an electrically driven load, e.g. a compressor or pump, by power supply from a mechanical driver, e.g. a turbine or combustion engine, whereby the load is mechanically connected to a first electrical machine, and the mechanical driver is mechanically connected to a second electrical machine. The first electrical machine is electrically interconnected to the second electrical machine at a standstill or when the first and or second machine have low speed. In an acceleration phase, the first electrical machine is accelerated by accelerating the second electrical machine with the mechanical driver. When the first electrical machine has reached a predefined rotational speed, the first machine is synchronized with a local electrical power network and connected it to that network.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.