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Delta Electronics AC Motor Drive VFD-VE Series User Manual

Page 102

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Chapter 4 Parameters|

Revision August 2008, 03VE, SW V2.04

4-53

F cmd>Fmi n

F star t>Fmin

NO

Y ES

Y ES

fstart=F star t

NO

fstart=F min

F low= 0

F low= 0

Y ES

H=Fc md

Y ES

H=Fc md

NO

F cmd>Fl ow

Y ES

F cmd>Fmi n

YES

H=Fc md

NO

NO

F cmd

NO

H=Fl ow

YES

NO

F cmd

F min

F star t

F cmd

F min

F star t

F cmd1>Flow&
F cmd1>Fmin

F min

F low

F cmd2>Flow&
F cmd2

F low> Fcmd1
>F min

F min

F low

F min>Fc md2

60Hz

60Hz

Hz

Time

Hz

Time

Time

Time

Hz

Hz

F cmd1

F cmd2

H=Fl ow

F cmd1

F cmd2

H=Fc md1

by Pr.01- 34

by
Pr.01- 34

by
Pr.01- 34

by Pr.01- 34

by Pr.01- 34

operation after
start-up