Instruction manual

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

4.3.1 OUTPUT VOLTAGE CALIBRATION

This is a periodic calibration of the output voltage.

4.3.2 VOLTAGE MEASUREMENT CALIBRATION

This is a periodic calibration of the voltage measurement

function.

4.3.3 CURRENT MEASUREMENT CALIBRATION

This is a periodic calibration of the current measurement

function.

4.3.4 POWER MEASUREMENT CALIBRATION

This is a periodic calibration of the power measurement

function.

4.3.5 REMOTE MEASUREMENT CALIBRATION

4.4.1 OUTPUT FREQUENCY CALIBRATION

This is a nonperiodic calibration of the output frequency.

4.4.2 AMPLIFIER GAIN ADJUSTMENT

These are nonperiodic adjustments of the output amplifier

gain. The adjustments may have to be performed if there is an

OUTPUT FAULT error message.

4.4.3 OUTPHASE ANGLE CALIBRATION

This is a nonperiodic calibration. The calibration is required if

there is an error in the phase B or C output phase angle

relative to phase A.