Appendices
Measuring Methods
A
A-9
Function Unit
Description
Logger
V-A-
Hz
Dips&Swells
Ha
rmo
n
ics
Power & E
n
ergy
Energy Loss
Unbalance
Inrush
Monit
or
Flicker
Transients
Power Wave
Mains Signaling
Shipboard V/A/
Hz
W unb
W
Active Load unbalance
●
Φ
W unb (
˚
)
˚
Active load unbalance
angle
●
var unb
var
Reactive Load
Unbalance
●
Φ
var unb (
˚
)
˚
Reactive load unbalance
angle
●
VA unb
VA
Total Load Unbalance
●
Φ
VA unb (
˚
)
˚
Total Load Unbalance
angle
●
L var unb
var
Inductive Load
Unbalance
●
Φ
L var unbr
(
˚
)
˚
Inductive load
unbalance angle
●
C 'var unb
var
Capacitive Load
Unbalance
●
Φ
C var unb
(
˚
)
˚
Capacitive load
unbalance angle
●
Energy
Wh Wh
Wh
●
●
VAh VAh
VAh
●
●
varh varh
varh
●
●
Wh forw.
Wh
Wh forward
●
●
Wh rev.
Wh
Wh reverse
●
●
Energy Loss
W R loss
W
Resistive loss due to
active power
●
●
W var loss
VA
Resistive loss due to
ractive power
●
●
W Unb loss
VA
Loss due to unbalance
power
●
●
W Harm loss VA
Loss due to harmonics
power
●
●
W An loss
A
Loss due to netrall
current
●
●
W Total loss W
Total power loss
●
●
cost R/h
$
Cost /hr due to active
power loss
●
●
cost var/h
$
Cost /hr due to reactive
power loss
●
●
cost unb/h
$
Cost /hr due to
unbalance loss
●
●
cost harm/h
$
Cost /hr due to
harmonics loss
●
●
cost An/h
$
Cost /hr due to netral
current
●
●
cost tot/y
$
Cost / year due to losses
●
●
Wh R loss
Wh
Energy loss due
resistance
●
●
Wh varh loss Wh
Energy loss due to
●
●
Wh Unb loss Wh
Energy loss due to
unbalance
●
●
Wh Harm
loss
Wh
Energy loss due to
harmonics
●
●
Wh An loss
Wh
Energy loss due to
neutral currents
●
●
Wh Total loss Wh
Total energy loss
●
●
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