Table 3 Measuring points and measuring instruments
Measuring point Instrument
Remarks
(Criterion)
Line voltage
VI
Across R and S,
S and T, and T
c
Moving-iron
Commercial voltage
type
0 180 - 22OV
and R
(360 --i 44OV)
50Hz
0 180 - 253V
(360 - 506V)
60Hz
Input current
11
Input power
P*
R, S and T line - Moving-iron
current
c
type
On R, S and T,
8
Electrodynamic P*=W,, + WI?
and across R and
type
S, and S and T
Input power
To be calculated from the equation shown below. after
factor .
line voltage, input current and input power and measured.
Pf,
Pf, = &P1* I, X 100%
I
Output voltage Across U and V,
t
’ Rectifier type Difference between
VZ
V and W, and W (moving-iron phases is * 1% or
and U
type is not less of maximum
acceptable) output voltage.
Output current U, V and W line
c
Moving-iron Current should be
I* current
type
equal to or less
than inverter rated
current.
Difference between
phases is 10% or
less.
Output power
PZ
Pz = wn + wtr On .U, V and W, e Electrodynamic
and across U
type .
and V, and ,V
and W
Output power
factor
: To be calculated from the equation shown below
Pf, = &IZ. I* X 100%
Converter output Across P and N
a Moving-coil
POWER lamp should
type (suoh
as multimeter)
light.
1.35 X VI
Max. voltage during
regenerative braking
380v (73OV)
-32-
0
0
0
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...
Need help?
General
