HT instruments VEGA78 - Manual (Page 56)

VEGA78
EN - 54
In the example of Fig. 102 the typical customized configuration called “GENERIC PLANT”
was defined and can be loaded by pressing the SAVE or ENTER keys (or the smart icon
). This configuration cab be removed in any time by pressing F2 key (or the REM at display).
The warning message “Delete selected configuration?” is shown by meter. Press “Ok” to
complete the operation. Please note that the 5 predefined configuration and the DEFAULT
configuration cannot be removable by user.
Press ESC (or the smart icon ) to quit without saving any modify. Below the selected
parameters for each of predefined configuration are shown:
VOLTAGE ANOMALIES
MENU GENERAL PARAMETER SETTINGS SYSTEM
Analyzer Settings
System
Not modified Each system
Freq[Hz]
Clamp Type
FS Clamp[A]
VT Ratio
Analyzer Settings - Advanced
Zoom Graphics
Harm. Type
Harm. Values
Zoom 1st Harm.
Average Values
Recording Settings
Comments VOLTAGE ANOMALIES
Each system
Start Not modified
Stop Not modified
Integration period 1min
Cogeneration OFF
General Parameters
V1N, VN-PE, Hz Single phase
V12, V23, V31, Hz 3-wire, ARON
V1N, V2N, V3N, VN-PE,
Average (if activated), Hz
4-wire
Voltage harmonics OFF
Each system Current harmonics OFF
Voltage anomalies ON
Ref. Voltage anomalies
230V Single, 4-wire
400V 3-wire, ARON
Up threshold anomalies +6%
Each system
Low threshold anomalies -10%
Unbalance
Not available Single phase
ON 3/4-wire, ARON
Table 7: Selected parameters of VOLTAGE ANOMALIES configuration