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Title: Electrostatic shielding of transformers

Toroidal transformers are currently used only in low-voltage applications. There is no published experience for toroidal transformer design at distribution-level voltages. Toroidal transformers are provided with electrostatic shielding to make possible high voltage applications and withstand the impulse test.
Inventors:
Issue Date:
OSTI Identifier:
1410534
Assignee:
NEW YORK UNIVERSITY (New York, NY) NETL
Patent Number(s):
9,831,027
Application Number:
14/338,048
Contract Number:
OE0000072
Resource Relation:
Patent File Date: 2014 Jul 22
Research Org:
New York University, New York, NY (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION

Other works cited in this record:

Inductance Device
patent, August 1946

Method of Making Electromagnetic Induction Apparatus
patent, August 1949

Welding of Hinged Butt Joint Magnetic Cores
patent, April 1958

Toroidal Transformer Construction and Method of Constructing Same
patent, March 1968

Toroid Transformer Electrostatic Shield
patent, October 1968

Lamp ballast attachment device
patent, December 1978

Toroidal transformer with electrostatic shield
patent, July 1984

Toroidal core electromagnetic device
patent, June 1985

Toroidal power transformer
patent, November 1985

Integrated power capacitor and inductors/transformers utilizing insulated amorphous metal ribbon
patent, May 1990

Toroidal transformer insulation preforms
patent, January 1996

Toroidal transformer with space saving insulation and method for insulating a winding of a toroidal transformer
patent, November 1998

Insulating toroid cores and windings
patent, October 2001

Toroidal transformer enclosure
patent, June 2004

Dry type pole-mounted transformer
patent, November 2010

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