4
Technical data
4.1
Operating behavior
4.1.1
Description of the specified parameters
Maximum energy content
E
max
= energy content at speed n
max
. Unit [kJ].
Rated power
P
N
= nominal power of the storage device at rated speed n
N
. Unit [kW].
Continuous power
P
C
= continuous power output depending on the DC bus voltage. Unit [kW].
Maximum power
P
max
= maximum power output depending on the DC bus voltage. Unit [kW].
Rated current
I
N
= phase current of the energy storage device at rated speed for reaching
the rated power, specified as rms value in ampere [A].
Maximum current
I
max
= maximum briefly allowed phase current that has no damaging effect on
the winding, specified as rms value in ampere [A].
Rated speed
n
N
= working speed defined by the manufacturer. Depending on the applica‐
tion, other speeds are possible (see characteristic curve).
Maximum speed
n
max
= maximum allowed speed of the storage device. The maximum speed
can be limited by mechanical factors, such as centrifugal forces or bearing
wear. Unit [min
-1
]
Thermal time constant
T
th
= thermal time constant for Rexroth temperature model. For further notes
on the temperature model, refer to the Rexroth IndraDrive MPx application
manual
Discharge capacity
C
ab
= capacitance of short-circuited power connections U, V, W against the
housing. Unit: [nF].
Number of pole pairs
p = number of pole pairs of the storage device.
Power wire cross-section A
Unit: [mm²]. Rated for cables by current carrying capacity according to VDE
0298-4 and laying type B2 according to EN 60204-1 at a surrounding air tem‐
perature of 40 °C. Other installation methods or higher ambient temperatures
may require a higher power wire cross-section.
Mass
m = mass of the energy storage device. Unit [kg].
Moment of inertia of the rotor
J
rot
= moment of inertia of the rotor without bearing and encoder. Unit: [kgm²].
Sound pressure level
L
P
= at a distance of 1 m, with PWM = 4 kHz. Unit: [dB(A)].
Energy content for n
Range_P
N
E
n_P
N
= the specified energy content of the storage device in the specified
speed range. Unit [kJ].
Speed range for energy content
E
n
P
N
n
Range_P
N
= speed range in which the storage device can be charged and dis‐
charged with constant rated power.
Energy content for n
Range_P
max
E
n_P
max
= the specified energy content of the storage device in the specified
speed range. Unit kilojoule [kJ].
Speed range for energy content
E
n
P
max
n
Range_P
max
= speed range in which the storage device can be charged and dis‐
charged with constant maximum power.
Permissible coolant inlet tempera‐
ture
Please also observe the information provided under
.
Maximum allowed coolant input
pressure
Please also observe the information in
BA1N Kinetic Energy Buffer
17/73
Technical data
R911393264_Edition 01 Bosch Rexroth AG
Summary of Contents for Rexroth BA1N
Page 1: ...BA1N Kinetic Energy Buffer Project Planning Manual R911393264 Edition 01 ...
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