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Measurement Methods
2CMC48001M0201
85
A43/A44
Revision: C
User Manual
Illustration
The following illustration shows a vector diagram for resistive, inductive and ca-
pacitive loads:
U
I
U
U
Clockwise rotation
Clockwise rotation
I
I
Resistive load
Inductive load
Capacitive load
Phase
A load that consumes both reactive and active energy can be divided into active
displacement
and reactive components. The angle between the apparent power (U*I) vector and
the active power component is described as phase displacement angle or power
factor angle.
Illustration
The following illustration shows a vector diagram for a load with an active and a
reactive component:
Active power = P = U x I x cos
(unit W)
Reactive power = Q = U x I x sin
(unit var)
Apparent power = S = U x I (unit VA)
Reactive power
Apparent
power
Active
power
The 4 power
The type of load can be represented geometrically by for quadrants. In the first
quadrants
quadrant the load is inductive and active and energy is imported (energy is deliv-
ered from the utility to the customer). In the second quadrant the load is capacitive
and active energy is exported and reactive energy is imported. In the third quad-
rant the load is inductive and active and reactive energy is exported. In the last
quadrant the load is capacitive and active energy is imported and reactive
energy exported.
Summary of Contents for A43
Page 1: ...A43 A44 User Manual ...
Page 40: ...Meter Settings A43 A44 40 2CMC48001M0201 User Manual Revision C ...
Page 55: ...Technical Description 2CMC48001M0201 55 A43 A44 Revision C User Manual ...
Page 58: ...Technical Description A43 A44 58 2CMC48001M0201 User Manual Revision C ...
Page 61: ...Technical Description 2CMC48001M0201 61 A43 A44 Revision C User Manual ...
Page 75: ...Technical Description 2CMC48001M0201 75 A43 A44 Revision C User Manual ...
Page 84: ...Measurement Methods A43 A44 84 2CMC48001M0201 User Manual Revision C ...
Page 91: ...Measurement Methods 2CMC48001M0201 91 A43 A44 Revision C User Manual ...
Page 95: ...Measurement Methods 2CMC48001M0201 95 A43 A44 Revision C User Manual ...
Page 102: ...Communication with Modbus A43 A44 102 2CMC48001M0201 User Manual Revision C ...
Page 107: ...Communication with Modbus 2CMC48001M0201 107 A43 A44 Revision C User Manual ...
Page 131: ...Communication with Modbus 2CMC48001M0201 131 A43 A44 Revision C User Manual ...
Page 147: ...Communication with Modbus 2CMC48001M0201 147 A43 A44 Revision C User Manual ...
Page 154: ...Communication with Modbus A43 A44 154 2CMC48001M0201 User Manual Revision C ...
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Page 166: ...Communication with Modbus A43 A44 166 2CMC48001M0201 User Manual Revision C ...
Page 180: ...Communication with M Bus A43 A44 180 2CMC48001M0201 User Manual Revision C ...
Page 182: ...Communication with M Bus A43 A44 182 2CMC48001M0201 User Manual Revision C ...
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