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Title: Dynamic power flow controllers

Patent ·
OSTI ID:1345985
;

Dynamic power flow controllers are provided. A dynamic power flow controller may comprise a transformer and a power converter. The power converter is subject to low voltage stresses and not floated at line voltage. In addition, the power converter is rated at a fraction of the total power controlled. A dynamic power flow controller controls both the real and the reactive power flow between two AC sources having the same frequency. A dynamic power flow controller inserts a voltage with controllable magnitude and phase between two AC sources; thereby effecting control of active and reactive power flows between two AC sources.

Research Organization:
VARENTEC, INC. Santa Clara, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000229
Assignee:
VARENTEC, INC.
Patent Number(s):
9,590,421
Application Number:
14/260,253
OSTI ID:
1345985
Resource Relation:
Patent File Date: 2014 Apr 23
Country of Publication:
United States
Language:
English

References (7)

Method and apparatus for controlling loads in electric power systems by reduction of peak loads patent January 1979
Modular AC-AC variable voltage and variable frequency power conveter system and control patent June 1999
Circuit system for connecting an electrical consumer with an alternating-voltage source patent July 2001
Power switching apparatus patent November 2005
Dynamic reactive compensation system and method patent August 2006
Power mains transformer data bridge patent January 2012
Power converter with asymmetric phase shift autotransformer for alternating current (AC) motor patent May 2014

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