AEMC PowerPad III 8336 User Manual page 139

G
Harmonics
Hysteresis
Hz
J
k
L
m
ms
M
MAX
MIN
N
Nh
Nominal voltage
non-nuclear toe
nuclear toe
Order of a harmonic
P
P
Passband
Pdc
Pdch
PF
Ph
Phase
PK or Peak
PLT
PST
Q
1
Q h
1
RMS
S
S-h
Sh
Temporary surge at
industrial frequency
t
T
tan Φ
THD
U
U-h
Ucf
Ud
Udc
Uh
136
Giga (10 )
9
In electrical systems, voltages and currents at frequencies that are multiples of the fundamental
frequency
Difference between thresholds for reciprocal changes of state
Frequency of the network
Joule
kilo (10 )
3
Channel (Line)
milli (10
-3 )
millisecond
Mega (10 )
6
Maximum value
Minimum value
Non-active power
Non-active energy
Reference voltage of a network
Non-nuclear tonne oil equivalent
Nuclear tonne oil equivalent
Ratio of the frequency of the harmonic to the fundamental frequency; a whole number
Peta (10 )
15
Active power
Range of frequencies in which the response of an instrument exceeds some specified minimum
DC power
DC energy
Power Factor -- ratio of active power to apparent power
Active energy
Temporal relationship between current and voltage in alternating current circuits
Maximum (+) or minimum (-) peak value of the signal
Long-term severity. The instrument calculates its PLT over 2 hours
Short-term severity. The instrument calculates its PST over 10 minutes
Reactive power
Reactive energy
RMS (Root Mean Square) value of current or voltage. Square root of the mean of the squares of
the instantaneous values of a quantity during a specified interval
Apparent power
Power harmonics
Apparent energy
Temporary increase in voltage at some point in the power network, to above a specified
threshold
Relative date of the Time cursor
Tera (10 )
12
Tangent of the phase shift of the voltage with respect to the current
Total Harmonic Distortion. The total harmonic distortion describes the proportion of the
harmonics of a signal with respect to the fundamental RMS value (%f) or with respect to the total
RMS value without DC (%r)
Phase-to-phase voltage
Phase-to-phase voltage harmonics
Peak factor of the phase-to-phase voltage
Phase-to-phase RMS distortion voltage
Phase-to-phase DC voltage
Harmonic of the phase-to-phase voltage
Power Quality Analyzer PowerPad III Model 8336
®