Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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Filing date
Publication date
Application filed by ASEA AB, Allmanna Svenska Elektriska ABfiledCriticalASEA AB
Publication of GB638752ApublicationCriticalpatent/GB638752A/en
G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
G05F3/02—Regulating voltage or current
G05F3/04—Regulating voltage or current wherein the variable is AC
G05F3/06—Regulating voltage or current wherein the variable is AC using combinations of saturated and unsaturated inductive devices, e.g. combined with resonant circuit
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Engineering & Computer Science
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Physics & Mathematics
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Electromagnetism
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General Physics & Mathematics
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Radar, Positioning & Navigation
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Automation & Control Theory
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Coils Or Transformers For Communication
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GB8757/47A1946-04-101947-04-01Means for producing a nearly constant alternating voltage
ExpiredGB638752A
(en)