Lenze DSD - Manual (Page 69)

Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
69
7 Applications
7.2 Basic calculations
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Calculation of the effective torque of the application:
[7-4] Equation 4: Effective torque of the application
7.2.2 Power of the application
Power P of the application in [W] results from multiplying the torque and the angular velocity:
[7-5] Equation 5: Power of the application
The base process power P
cto
of the application in [W] results from multiplying the max. torque and
the max. angular velocity:
[7-6] Equation 6: Base process power of the application
The effective base process power P
rms,cto
of the application in [W] results from multiplying the ef-
fective torque and the max. angular velocity:
[7-7] Equation 7: Effective base process power of the application
M
rms
1
T
--- M
2
t ( ) t d
0
T

⋅ =
P M
sum
ω ⋅ M
sum
n 2 π
⋅
60
----------- ⋅ ⋅ = =
P
cto
M
max
ω
max
⋅ =
P
rms,cto
M
rms
ω
max
⋅ =