Lenze DSD - Manual (Page 365)

Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
365
12 Components in the DC bus
12.3 9400 regenerative power supply module
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12.3.2 Utilisation
The simulation of device-internal monitoring functions serves for the evaluation of the power de-
mand by DSD and the determination of the utilisation of the power supply module.
Regenerative power supply modules 9400 can be connected in parallel. The diagram shows the val-
ues for all the devices connected in parallel.
[12-2] Regenerative power supply module 9400 diagram: utilisation
Description
P
sum
(t) Total power in the DC bus over time
P
mot,imp
DC pulse power in motor mode, relevant for the short-time thermal utilisation of the power
supply module
P
mot,av
Average DC power at the power supply module
P
mot,N
Permissible DC continuous power in supply mode, dependent on the mains choke and mains
voltage
P
N,gen,red
Permissible DC continuous power in regenerative feedback mode, dependent on the mains
choke and mains voltage
P
mot,max
Max. permissible power in regenerative feedback mode
P
gen,max,red
Max. permissible DC power in regenerative feedback mode without support of brake transistor
P
gen,max,Brm
Max. permissible DC power in regenerative feedback with support of brake transistor
A
Sup
(P
max
) Utilisation of the regenerative power supply module, relative to the max. power in the DC bus
A
Sup
(P
av
) Utilisation of the regenerative power supply module, relative to the continuous power in the
DC bus
A
Sup
(P
imp
) Utilisation of the regenerative power supply module, relative to the pulse power in the DC bus
A
Sup
(P
gen,max
) Utilisation of the regenerative power supply module without brake chopper, relative to the
max. regenerative power
A
Sup,Brm
(P
gen,max
) Utilisation of the regenerative power supply module with brake chopper, relative to the max.
regenerative power