CARLO GAVAZZI WM3-96 - PROGRAMMING Instruction Manual page 23

24
Energy Meters Management
24
2
22
20
4
18 6
16 8
14
10
12
The measured energy (partial energy) is placed in TARIFF
1 when the time period is from midnight to e.g. 8:00am, in
TARIFF 2 when the time period is from 8:00a.m. to 08:00p.m.
and again in TARIFF1 when the time period is from 08:00p.m.
to midnight. The total measured energy is the result of the
sum of all the partial measures as shown in the figure below:
trf1
22
20
18
16
14
b) the starting point of the first time period is always 24:00
(midnight) and cannot be changed;
c) the starting point of the following period is always the end
hour of the previous time period;
d) the daily loop is closed by setting 24:00 as last hour of
the last time period (to follow this procedure see point 4 on
the previous page), confirm the setting by pressing
to go back to the TARIFF SELECTION menu.
Average power calculation
19
a) the day can be divided into up to 8
different periods connected to up to 4
different tariffs according to the following
working principle:
trf1
+ kWh
- kWh
+ kvarh
- kvarh
24
2
trf1
4
6
8
10
12
trf2
22
1
Imported active energy
Exported active energy
Imported reactive energy
Exported reactive energy
1
+ kWh
- kWh
+ kvarh
+ kWh
- kvarh
- kWh
+ kvarh
+ kWh
- kvarh
- kWh
+ kvarh
- kvarh
2
Trf holiday period
28
T
and
26