Period meter for reactors
Patent
·
OSTI ID:862441
- Downers Grove, IL
An improved log N amplifier type nuclear reactor period meter with reduced probability for noise-induced scrams is provided. With the reactor at low power levels a sampling circuit is provided to determine the reactor period by measuring the finite change in the amplitude of the log N amplifier output signal for a predetermined time period, while at high power levels, differentiation of the log N amplifier output signal provides an additional measure of the reactor period.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- United States of America as represented by United States Energy (Washington, DC)
- Patent Number(s):
- US 3931522
- Application Number:
- 05/509,971
- OSTI ID:
- 862441
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
period
meter
reactors
improved
log
amplifier
type
nuclear
reactor
reduced
probability
noise-induced
scrams
provided
power
levels
sampling
circuit
determine
measuring
finite
change
amplitude
output
signal
predetermined
time
differentiation
provides
additional
measure
reactor period
predetermined time
power levels
power level
nuclear reactor
output signal
time period
amplifier output
type nuclear
period meter
reduced probability
signal provide
determined time
/376/250/976/
meter
reactors
improved
log
amplifier
type
nuclear
reactor
reduced
probability
noise-induced
scrams
provided
power
levels
sampling
circuit
determine
measuring
finite
change
amplitude
output
signal
predetermined
time
differentiation
provides
additional
measure
reactor period
predetermined time
power levels
power level
nuclear reactor
output signal
time period
amplifier output
type nuclear
period meter
reduced probability
signal provide
determined time
/376/250/976/