Directly induced swing for closed loop control of electroslag remelting furnace
Patent
·
OSTI ID:871462
- Corrales, NM
An apparatus and method for controlling an electroslag remelting furnace, imposing a periodic fluctuation on electrode drive speed and thereby generating a predictable voltage swing signal. The fluctuation is preferably done by imposition of a sine, square, or sawtooth wave on the drive dc offset signal.
- Research Organization:
- AT & T CORP
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Number(s):
- US 5737355
- OSTI ID:
- 871462
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/373/
apparatus
closed
closed loop
control
controlling
dc
directly
drive
electrode
electroslag
electroslag remelting
fluctuation
furnace
generating
imposing
imposition
induced
loop
loop control
melting furnace
method
offset
periodic
predictable
preferably
remelting
remelting furnace
sawtooth
signal
sine
speed
square
swing
voltage
wave
apparatus
closed
closed loop
control
controlling
dc
directly
drive
electrode
electroslag
electroslag remelting
fluctuation
furnace
generating
imposing
imposition
induced
loop
loop control
melting furnace
method
offset
periodic
predictable
preferably
remelting
remelting furnace
sawtooth
signal
sine
speed
square
swing
voltage
wave