7applications – Lenze DSD User Manual

Page 126

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7

Applications

7.9

Hoist drive with counterweight

126

Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23

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Torque of the application

[7-102] Equation 9: Torque of the application

Required speed
For the determination of the required speed n

Cor

of the driving pulley, apart from the previously

mentioned parameters the required lifting speed v has to be specified.

[7-103] Equation 10: Speed of the driving pulley

The speed of the counterweight v

Ctw

is calculated as follows:

[7-104] Equation 11: Speed of the counterweight

Tip!
Further equations to complete the calculations required for an application can be found in

the chapter "

Basic calculations

".

( 68)

M

App

M

sds

J

sum

α M

th

+

+

=

n

60

2 π

----------- v

60

------

N

L

2000

d

Cor

------------------------

=

v

Ctw

N

L

N

Ctw

------------

v

=

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