Cewe Prometer 100 - Energy Measurement Capabilities

Page 36 of 72
Prometer 100 User Manual
BGX501-943-R01
7.2 Support for Different Types of Energy
Prometer 100 meter is used for feeder based applications where energy may flow in both the directions.
Prometer 100 is an Import Export type meter; its metering unit is capable of logging energy in both directions.
III
III IV
Active power import
(+)
Active power export
(-)
Reactive power
export (-)
Reactive power
import (+)
ϕ
S
Q
P
Capacitive
Inductive
Quadrants
Phase angle
Current relative to voltage
I
0 to 90°
Lagging
II
90 to 180°
Leading
III
-180 to -90°
Lagging
IV
-90 to 0°
Leading
Prometer 100 supports different tariff structures and number of Energy types (refer to Table 2). Any combination
of energy types can be provided as per the specification agreed at the time of order.
The Energy Channel Registers are shown below:
Sr.
No.
Parameters Instantaneous Billing
TOD MD
/ UMD
TOD Rate
Daily
Energy
Logger 1
Logger 2
1
Active Import Total
(Q1+Q4)
Y
Y
Y
Y
Y
Y
Y
2
Active Export Total
(Q2+Q3)
Y
Y
Y
Y
Y
Y
Y
3
Active Import
Fundamental
(Q1+Q4)
Y
Y
Y
Y
Y
Y
Y
4
Active Export
Fundamental
(Q2+Q3)
Y
Y
Y
Y
Y
Y
Y
5
Reactive Import while
Active Import – Q1
Y
Y
Y
Y
Y
Y
Y
6
Reactive Import while
Active Export – Q2
Y
Y
Y
Y
Y
Y
Y
7
Reactive Export while
Active Export – Q3
Y
Y
Y
Y
Y
Y
Y
8
Reactive Export while
Active Import – Q4
Y
Y
Y
Y
Y
Y
Y
9
Apparent – While
Active Import (See
Note 2)
Y
Y
Y
Y
Y
Y
Y
10
Apparent – While
Active Export (See
Note 2)
Y
Y
Y
Y
Y
Y
Y
11
Reactive Import
(Q1+Q2)
Y
Y
Y
Y
Y
Y
Y
12
Reactive Export
(Q3+Q4)
Y
Y
Y
Y
Y
Y
Y