5-2
BZM auxiliary bleeder module
ECODRIVE DKC01.1/DKC11.1 Drive Controllers
DOK-ECODRV-DKC01/11.1*-PRJ3-EN-P
1. Continuous regenerative power
P
P
P
RD
BD, DKC
BD,BZM
≤
+
P
W
W
t
RD
+
ROT
POT
Z
=
∑
∑
* 1000
W
J
J
n
z
ROT
LAST
NUTZ
DEC
M
2
(
=
+
⋅
⋅
⋅
⋅
(
)
2
60
2
π
W
m
g h z
POT
LAST
AB
=
⋅ ⋅ ⋅
2. Peak regenerative power
P
P
P
RS
BM, DKC
BM,BZM
≤
+
P
RS
- > siehe Auswahldaten zu den Servoantrieben
3. Regenerative energy (a single braking in E-stop)
W
W
W
W
POT, MAX
ROT, MAX
MAX, DKC
MAX, BZM
+
+
≤
W
MAX, DKC
- > siehe Abb. Technische Daten DKC
W
MAX, BZM
- > siehe Abb. Technische Daten BZM
P
RD
:
continuous regenerative power from the mechanical system
during operation in kW
P
BD, DKC
:
continuous regenerative power in kW that the drive controller
can process in continuous operation
P
BD, BZM
:
continuous regenerative power that the auxiliary module 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 an emergency stop in Ws
W
POT, MAX
:
max. occurring potential energy in an emergency stop (E-stop)
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 the BZM in kWs
W
MAX, DKC
:
storable energy in the DKC in kWs
g:
gravitational acceleration 9.81 ms²
h:
lowering dimension in m
n
NUTZ
:
motor speed used in min-1
z
AB
:
number of drops per cycle
z
DEC
:
number of braking actions per cycle
Fig. 5-1:
Check the conditions for regenerative power and regenerative energy
in a DKC connected to a BZM via the DC bus
1 DKC + BZM
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