Protective device for DC regulated power supplies for superconducting magnet coils
Patent
·
OSTI ID:6308943
A protective device for use with a DC regulated power supply for supplying DC current to a superconducting magnet coil includes a pair of flywheel diodes and a protective resistance connected in parallel with the superconducting magnet coil. When the DC regulated power supply malfunctions, the superconducting magnet coil is severed from the power supply, and the flywheel diodes take up the energy stored in the superconducting magnet coil to reduce the current flowing through the DC regulated power supply to zero instantaneously. When the superconducting magnet coil has a fault, the coil is separated from the DC regulated power supply, and the protective resistance takes up the energy stored in the superconducting magnet coil.
- Assignee:
- Mitsubishi Denki Kabushiki Kaisha (Japan)
- Patent Number(s):
- US 4467384
- OSTI ID:
- 6308943
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CURRENTS
DIRECT CURRENT
ELECTRIC COILS
ELECTRIC CURRENTS
ELECTRICAL EQUIPMENT
ELECTRICAL FAULTS
ELECTROMAGNETS
ELECTRONIC EQUIPMENT
EQUIPMENT
EQUIPMENT PROTECTION DEVICES
FAILURES
FLYWHEELS
MAGNET COILS
MAGNETS
MECHANICAL ENERGY STORAGE EQUIPMENT
POWER SUPPLIES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SUPERCONDUCTING COILS
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CURRENTS
DIRECT CURRENT
ELECTRIC COILS
ELECTRIC CURRENTS
ELECTRICAL EQUIPMENT
ELECTRICAL FAULTS
ELECTROMAGNETS
ELECTRONIC EQUIPMENT
EQUIPMENT
EQUIPMENT PROTECTION DEVICES
FAILURES
FLYWHEELS
MAGNET COILS
MAGNETS
MECHANICAL ENERGY STORAGE EQUIPMENT
POWER SUPPLIES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SUPERCONDUCTING COILS
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS