INSTRUCTIONAL MANUAL
2750L-P/4500L-P/6000L-P
August, 2001
Rev. K
-82-
SECTION 4
CALIBRATION PROCEDURE
4.1 GENERAL
The calibration is divided into two categories; a periodic and a nonperiodic calibration. The periodic calibration should
be performed at a 1 year interval. The nonperiodic calibration should only be performed if the periodic calibration
cannot be performed or if an adjustable subassembly is replaced.
The following is a listing of paragraphs that may be performed to fix an indicated problem. Any AC Power System with
a 1-phase output or that has more than one chassis will have paralleled amplifiers.
PARAGRAPH
TITLE
PAGE
4.3.1 OUTPUT
VOLTAGE CALIBRATION ------------------------------------------------------------- 88
This is a periodic calibration of the output voltage.
4.3.2 VOLTAGE
MEASUREMENT CALIBRATION -------------------------------------------------- 88
This is a periodic calibration of the voltage measurement function.
4.3.3 CURRENT
MEASUREMENT CALIBRATION-------------------------------------------------- 91
This is a periodic calibration of the current measurement function.
4.3.4 POWER
MEASUREMENT CALIBRATION ----------------------------------------------------- 91
This is a calibration of the power measurement function.
4.3.5 REMOTE
MEASUREMENT CALIBRATION --------------------------------------------------- 92
4.4.1 OUTPUT
FREQUENCY CALIBRATION -------------------------------------------------------- 96
This is a nonperiodic calibration of the output frequency.
4.4.2 AMPLIFIER
GAIN
BALANCE ADJUSTMENT ------------------------------------------------- 96
These are nonperiodic adjustments of the output amplifier assembly 4009-423. The
adjustments may have to be performed for the following reasons:
1.
An output amplifier has been repaired.
2.
For all power systems except 2750L-3P,4500L-3P and 6000L-3P unable to
obtain rated output current.
3.
There is an output current from an amplifier used in any power system, except
2750L-3P, 4500L-3P and 6000L-3P when there is no load on the system
output.
4.4.3
GAIN BALANCE FOR PARALLEL AMPLIFIERS --------------------------------------------- 96
These are nonperiodic adjustments. The adjustments are required if it is impossible to
perform the current or power measurement calibration (Ref. Paragraph 4.3.3 and/or
4.3.4 page 91).
4.4.4 CURRENT
TRANSFORMER ADJUSTMENT-------------------------------------------------- 97
This is a nonperiodic adjustment. The adjustment is required if the rated output current
is not available from an AC Power System.
4.4.5 LOAD
BALANCE ADJUSTMENT ----------------------------------------------------------------- 98
This is a nonperiodic calibration. The calibration is required if the available output
current is not equal to the programmed current limit value. The available output current
may exceed the programmed value by 10%.
Summary of Contents for 2750L-P Series
Page 119: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 115 Figure 6 1 MODULE LOCATION...
Page 138: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 134 Figure 14 EMERGENCY VOLTAGE...
Page 148: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 144 FIGURE 2...
