Electricity: power supply or regulation systems – For reactive power control – Using converter
Patent
1997-09-15
1998-09-15
Nguyen, Matthew V.
Electricity: power supply or regulation systems
For reactive power control
Using converter
G05F 170
Patent
active
058084525
ABSTRACT:
A unified power flow controller has a dc-to-dc converter which uses the dc voltage produced by a first static inverter, connected in shunt with a transmission line and providing parallel reactive compensation, to establish the magnitude of a series compensation voltage injected into the transmission line by a second static inverter. The second static inverter then only has to regulate the phase angle of the series injected voltage. With the dc-to-dc converter turned off, the two inverters are decoupled and can be operated independently even if the other inverter is not operational.
REFERENCES:
patent: 4638416 (1987-01-01), Neupauer et al.
patent: 5343139 (1994-08-01), Gyugyi et al.
patent: 5469044 (1995-11-01), Gyugyi et al.
patent: 5698969 (1997-12-01), Gyugyi
Gyugyi Laszlo
Schauder Colin David
Williams Scott Lawrence
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