KYORITSU 6310 Instruction Manual - Manual (Page 289)

KEW6310 16.4 Demand measurement
KEW6310
16.6
16.4 Demand measurement ( Range)
(1) Target value (DEM Target)
Display range Fixed set value (1.000mW ~ 999.9TW)
(2) Predicted value (DEM Guess)
Display range Same decimal point place and unit to target value
Formula
∑
× =
interval demand of beginning from Period
interval Demand
DEM DEM
GUESS _ _ _ _ _
_
(3) Demand value (present value) (ΣDEM)
Display range Same decimal point place and unit to target value
Formula
( )
interval
hour
WP DEM
1
× + = Σ
where: ∑ Σ = Σ
DEMi DEM
*
1 = i
(1P2W×1)
*
2 = i
(1P2W×2,1P3W,3P3W)
*
3 = i
(1P2W×3,3P3W3A,3P4W)
*
4 =
i
(1P2W×4)
(4) Load factor
Display range 0.00 ~ 9999.99%
Formula
et T
DEM
DEM
arg
Σ
16.5 Waveform measurement ( Range)
Displayed data 2 waveforms (256 points)
Scale change 0.1/ 0.2/ 0.5/ 1.0/ 2.0/ 3.0 times of rating
16.6 Harmonic measurement ( Range)
Meas. Method PLL synchro system
Measuring range 45 ~ 65Hz
Analysis order 1 ~ 63rd
Window width 2 cycles
Window type Rectangular
Analysis data 512 points
Analyzing rate approx once / 2 sec
Display item
(1) Voltage, current, THD, frequency
(2) Voltage/ Rate of content/ Phase angle at each order
Save item
(1) Voltage, current, THD
(2) Voltage/ Phase angle at each order