Fuji Electric FRENIC-Multi - Page 187

7-7
Table 7.4 Meters for Measurement of Main Circuit
Item
Input (primary) side Output (secondary) side
DC link bus
voltage
(P (+)-N (-))
Waveform
Voltage Current Voltage Current
Name of
meter
Ammeter
A
R, AS, AT
Voltmeter
V
R, VS, VT
Wattmeter
W
R, WT
Ammeter
A
U, AV, AW
Voltmeter
V
U, VV, VW
Wattmeter
W
U, WW
DC voltmeter
V
Type of
meter
Moving iron
type
Rectifier or
moving iron
type
Digital
AC power
meter
Digital AC
power meter
Digital AC
power meter
Digital AC
power meter
Moving coil
type
Symbol of
meter

It is not recommended that meters other than a digital AC power meter be used fo
r
measuring the output voltage or output current since they may cause large
r
measurement errors or, in the worst case, they may be damaged.
Figure 7.1 Connection of Meters