Lenze 8615E User Manual

Page 74

Advertising
background image

3.7.2

control” is especially suited for machines with a large

breakaway torque. Compared to the V/f-characteristic control it
provides considerably larger torques up to the motor rated

The advantages of control

be used especially for

drives. lt is also possible for group drives, provided that the motors
are of the same type and have the same load,

two identical

drives,

drive a common shaft from two sides.

V/f-rated frequency

To

the Io control, the

and the correct

frequency must be set for the

(see page 70).

You

determine the

using the

, the rated motor

and the following diagram.

0.95

0.90

0 . 8 5

0 . 8 0

0 . 7 5

0 . 7 0

K

0 . 2 5 0 . 3 0 0 . 3 5 0 . 4 0 0 . 4 3 0 . 4 5 0 . 5 0 0 . 5 5

Example:

cos

0.85

=

Enter the calculated value

For group drives, multiply

the calculated value with the number of motors.

C o d e

setting is

in bold)

Acceptance

C O 1 5

Hz

7 . 5 H

Z

(0.1 Hz)

1 0 0

frequency

100 Hz

9 6 0

C O 2 0

=

0 . 0 A

( 0 . 1

100.0 A

as from 100 A

INFO: Adjustable from 0.0

72

Advertising
This manual is related to the following products: