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Title: Sensor for detecting changes in magnetic fields

Abstract

A sensor for detecting changes in the magnetic field of the equilibrium-field coil of a Tokamak plasma device comprises a pair of bifilar wires disposed circumferentially, one inside and one outside the equilibrium-field coil. Each is shorted at one end. The difference between the voltages detected at the other ends of the bifilar wires provides a measure of changing flux in the equilibrium-field coil. This difference can be used to detect faults in the coil in time to take action to protect the coil.

Inventors:
 [1]
  1. Palos Park, IL
Issue Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL
OSTI Identifier:
864074
Patent Number(s):
4305785
Assignee:
United States of America as represented by United States (Washington, DC)
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
sensor; detecting; changes; magnetic; fields; field; equilibrium-field; coil; tokamak; plasma; device; comprises; pair; bifilar; wires; disposed; circumferentially; inside; outside; shorted; difference; voltages; detected; provides; measure; changing; flux; detect; faults; time; action; protect; wires disposed; device comprises; magnetic field; magnetic fields; field coil; detecting changes; tokamak plasma; plasma device; disposed circumferentially; /376/324/

Citation Formats

Praeg, Walter F. Sensor for detecting changes in magnetic fields. United States: N. p., 1981. Web.
Praeg, Walter F. Sensor for detecting changes in magnetic fields. United States.
Praeg, Walter F. Thu . "Sensor for detecting changes in magnetic fields". United States. https://www.osti.gov/servlets/purl/864074.
@article{osti_864074,
title = {Sensor for detecting changes in magnetic fields},
author = {Praeg, Walter F},
abstractNote = {A sensor for detecting changes in the magnetic field of the equilibrium-field coil of a Tokamak plasma device comprises a pair of bifilar wires disposed circumferentially, one inside and one outside the equilibrium-field coil. Each is shorted at one end. The difference between the voltages detected at the other ends of the bifilar wires provides a measure of changing flux in the equilibrium-field coil. This difference can be used to detect faults in the coil in time to take action to protect the coil.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1981},
month = {1}
}

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