HT instruments VEGA78 User Manual
Page 50
VEGA78
EN - 48
The below parameters can be selected for recording in Three phase 4-wire systems:
Parameters Description
Frequency
Frequency of phases L1, L2, L3
Voltages
TRMS voltages L1-N, L2-N, L3-N, N-PE
TRMS voltages L1-L2, L2-L3, L3-L1
Currents
TRMS currents L1, L2, L3, Neutral
Active Power & Energy
Active power and energy L1, L2, L3, Total
Reactive Power & Energy
Reactive (inductive or capacitive) power and energy
L1, L2, L3, Total
Apparent Power & Energy
Apparent power and energy L1, L2, L3, Total
Power Factor
Power factor L1, L2, L3 Total
CosPhi
Power factor referred to fundamental of voltage and
current L1, L2, L3, Total
Table 3: Selectable parameters for Three phase 4-wire system
Press SAVE or ENTER keys (or the smart icon
) to save each selection and confirm by
“Ok” . The main screen of Fig. 85 is shown by meter at the end of the operation.
Press ESC key (or the smart icon ) to quit without saving and back to previous screens.
12/09/2006 – 16:55:10
RECORDING SETTINGS
- General Parameters
Frequency
-
Voltages
Phase1-PE
Phase2-PE
Phase3-PE
30/251 Parameters – Autonomy: 28d 13h
CLP/EXP
PREDEF.
SEL
MODIFY
Fig. 93: General Parameters sub-level - Three phase 3-wire system
The below parameters can be selected for recording in Three phase 3-wire systems:
Parameters Description
Frequency
Frequency of phases L1, L2, L3
Voltages
TRMS voltages L1-PE, L2-PE, L3-PE
TRMS voltages L1-L2, L2-L3, L3-L1
Currents
TRMS currents L1, L2, L3
Active Power & Energy
Active power and energy L1, L2, L3, Total
Reactive Power & Energy
Reactive (inductive or capacitive) power and energy
L1, L2, L3, Total
Apparent Power & Energy
Apparent power and energy L1, L2, L3, Total
Power Factor
Power factor L1, L2, L3 Total
CosPhi
Power factor referred to fundamental of voltage and
current L1, L2, L3, Total
Table 4: Selectable parameters for Three phase 3-wire system