Magtrol 7500 SERIES, Руководство пользователя

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Magtrol Model 6530 Three-Phase Power Analyzer Chapter 3 – Installation/Configuration
SETUP
Magtrol 7500 Series Power Analyzer
1-phase, 3-Wire
• Measures single-phase power.
• Utilizes input modules one and three.
• The Power Factor is derived from the following equations:
Amps
Σ
= (A
1
+ A
3
)/2, Volts
Σ
= (V
1
+ V
3
)/2
Active Power =
Σ
W = W
1
+ W
3
Apparent Power = (V
rms1
× A
rms1
) + (V
rms3
× A
rms3
) = V
1
A
1
+ V
3
A
3
Power Factor =
Σ
W/( V
1
A
1
+ V
3
A
3
)
The following diagrams show the connections for a 1-Phase, 3-Wire measurement. Notice that
only phase one and three are used.
Ø3 Ø1
LOAD
SOURCE
±
V
A
A
±
V
V
1
3
1
N
±
V
LOAD
A
±
3
A
SOURCE
N
L1
L2
A V
± ±
A V
± ±
Figure 3-10 Single-Phase, Three-Wire Wiring Schematic
MOV
LOAD
N
MOV
LOAD
L1
L2
CB
EARTH
Figure 3–11 Single-Phase, Three-Wire Wiring Connection