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Siemens Brothers and Co Ltd
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Siemens Brothers and Co Ltd
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Application filed by Siemens Brothers and Co LtdfiledCriticalSiemens Brothers and Co Ltd
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Publication of GB191025732ApublicationCriticalpatent/GB191025732A/en
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F38/00—Adaptations of transformers or inductances for specific applications or functions
H01F38/20—Instruments transformers
H01F38/22—Instruments transformers for single phase ac
H01F38/28—Current transformers
H01F38/30—Constructions
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Engineering & Computer Science
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Power Engineering
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Transformers For Measuring Instruments
(AREA)
Abstract
25,732. Siemens Bros. & Co., [Siemens & Halske Akt.-Ges.]. Nov. 5. Transformers.-In a current transformer, the primary a<1> is insulated from the secondary s<1> by stepped-down cylinders of insulation consisting of concentric layers of insulating material i and metal m. Two ring-shaped iron cores c surround the cylinders, and are held in place by straps h attached to supporting brackets.
GB191025732D1910-11-051910-11-05Improvements in Electrical Current Transformers.
ExpiredGB191025732A
(en)