12-3-3
Chapter 12
Inverter Functions
Automatic voltage regulation function (AVR
function)
• The inverter automatically operates the automatic
voltage regulation function (AVR function). This
function outputs voltage to the motor correctly even
with variation in the input voltage to the inverter.
• Output of a voltage larger than the input voltage is
not allowed even using this function.
• To use operation with conventional AVR function
being set OFF, make the setting in [bA146]
over-excitation function selection.
• [bA146]=02 for AVR OFF during deceleration.
• [bA146]=01 for AVR OFF all time.
Relation between frequency and voltage under
general V/f control (IM)
• General V/f control command is given in the
following with the base frequency and rated
voltage being set.
• At the frequency in the range from the base to max.
frequency, the output voltage reaches a max. of the
rated voltage of motor.
Control of general synchronous motor
• Basically the synchronous motor needs current
calculation control and the motor parameters need
to be set. The parameters in this item and motor
constants in the next item need to be set.
A
A
A
!
Output
voltage
Motor
Rated
voltage
Time (s)
Input voltage
Output voltage by AVR
function
Output
voltage
Motor
Rated
voltage (Ex.)
200V
Command
frequency (Hz)
Base
frequency
Max.
frequency
Содержание SJ Series
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Страница 642: ...18 49 Chapter 18 Tips FAQ Troubleshooting Memo ...
Страница 650: ...19 8 Chapter 19 Maintenance and Inspection Memo ...
Страница 661: ...20 11 Chapter 20 Specifications Model P1 P1 200V class 02950 L 550L Dimension W mm H mm D mm 700 480 250 ...
Страница 662: ...20 12 Chapter 20 Specifications Model P1 P1 400V class 01760 H 750H 02130 H 900H Dimension W mm H mm D mm 390 700 270 ...
Страница 663: ...20 13 Chapter 20 Specifications Model P1 P1 400V class 02520 H 1100H 03160 H 1320H Dimension W mm H mm D mm 480 740 270 ...
Страница 678: ...21 7 Chapter 21 Technical Notes SJ700D SJ P1 ND normal duty SJ700D 550LFF3 P1 02950 LFEF P1 550LFF ...
Страница 686: ...21 15 Chapter 21 Technical Notes SJ700B SJ P1 LD low duty VLD very low duty SJ700B 750LFF P1 02950 LFEF P1 550LFF ...
Страница 781: ...Appendix 1 70 Appendix 1 List of Parameters Memo ...