Power quality/harmonics display, St s t – SATEC PM174 Manual User Manual
Page 39

Chapter 3 Display
Operations
Data Display
Series PM174 Powermeters
39
Power Quality/Harmonics Display
Press the PQ/ESC button. The THD/TDD LED is illuminated.
Press the button again to move to the individual harmonics, or
to the flicker and unbalance displays. Use the UP and DOWN
arrow buttons to scroll through harmonics and power quality
measurements.
Note that voltage harmonics readings are line-to-neutral in the
4LN3, 3LN3 and 3BLN3 wiring modes, and line-to-line in all
other modes.
Total Harmonics
1
thd.
V1/V12 THD
V2/V23 THD
V3/V31 THD
Voltage THD
2
thd.
I1 THD
I2 THD
I3 THD
Current THD
3
tdd.
I1 TDD
I2 TDD
I3 TDD
Current TDD
4
HF
I1 K-Factor
I2 K-Factor
I3 K-Factor
Current K-Factor
Individual Voltage Harmonics
1
02H
V1/V12 HD%
V2/V23 HD%
V3/V31 HD%
Order 2 harmonic
distortion
2
03H
V1/V12 HD%
V2/V23 HD%
V3/V31 HD%
Order 3 harmonic
distortion
39
40H
V1/V12 HD%
V2/V23 HD%
V3/V31 HD%
Order 40 harmonic
distortion
Individual Current Harmonics
1
02H
I1 HD%
I2 HD%
I3 HD%
Order 2 harmonic
distortion
2
03H
I1 HD%
I2 HD%
I3 HD%
Order 3 harmonic
distortion
39
40H
I1 HD%
I2 HD%
I3 HD%
Order 40 harmonic
distortion
Flicker/Unbalance
1
Pst
V1 Pst
V2 Pst
V3 Pst
Short term flicker
2
Plt
V1 Plt
V2 Plt
V3 Plt
Long term flicker
3
U.Unb
V% unb
Voltage negative
sequence unbalance,
percent
S
T
S
T
PQ
ESC
S
T
PQ
ESC
PQ
ESC
S
T
PQ
ESC