5-4
BZM auxiliary bleeder module
ECODRIVE DKC02.1 Drive Controller
DOK-ECODRV-DKC02.1****-PRJ2-EN-P
1. Continuous regenerative power
P
P
P
R D
BD, DK C
BD, B ZM
∑
∑
∑
≤
+
0 8
,
*
P
W
W
t
RD
rot+
pot
z
=
∑
∑
*1000
W
n
z
J
J
Last
M
rot
2
Nutz
dec
=
⋅
⋅
⋅
⋅
+
2
60
2
π
W
g h z
pot
= m
last ab
⋅ ⋅ ⋅
2. Peak regenerative power
P
P
P
RS
BM, DKC
BM, BZM
∑
≤
+
0 8
, *
s
servodrive
the
for
lists
selection
see
>
-
RS
P
3. Regenerative energy (a single braking in the E-stop position)
W
W
W
W
pot, max
rot, max
max, DKC
max, BZM
+
*
+
∑
∑
∑
∑
≤
0 8
,
DKC
data
cal
Fig.Techni
see
>
-
DKC
max,
W
BZM
data
Technical
Fig.
see
>
-
BZM
max,
W
P
RD
:
continuous regenerative power from the mechanical system
generated in continuous operation in kW
P
BD, DKC
:
continuous regenerative power that the drive controller can
process in continuous operation in kW
P
RS
:
peak regenerative power in kW
W
rot
:
rotary energy in Ws
W
pot
:
potential energy in Ws
W
rot, max
:
max. occurring rotary energy in the E-stop position in Ws
W
pot, max
:
max. occurring potential energy in the E-stop position in Ws
t
z
:
cycle time in s
J
Last
:
load torque in kgm²
J
M
:
motor inertia, in kgm²
m
Last
:
load weight in kg
W
max, BZM
:
storable energy in BZM 01.1 in kWs
W
max, DKC
:
storable energy in the DKC in kWs
g: 9.81
ms²
h:
lowering dimension in m or number of braking actions
n
Nutz
:
motor speed used in min
-1
z
ab
:
number of drops per cycle
z
dec
:
number of braking actions per cycle
Fig. 5-3:
Check the conditions for regenerative power and regenerative energy
in a DKC connected to a BZM via a DC bus
up to 6 DKCs + 1 BZM
LSA Control S.L. www.lsa-control.com [email protected] (+34) 960 62 43 01
