MSS382D-0020-FA-N0CN-NNNN
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The MSS382D-0020-FA-N0CN-NNNN stator unit features three-phase windings, operates with a power rating of 37 kW, and requires a 540 V DC bus voltage. Part of the MSS Synchronous IndraDyn H Motors series by Bosch Rexroth Indramat, it supports MRS382 rotors.
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Product Description:
The MSS382D-0020-FA-N0CN-NNNN is a versatile three-phase synchronous stator that features an axially mounted cooling jacket. As part of the IndraDyn H product series, this stator works well with the MRS product family to deliver high torque capabilities at impressive speeds. IndraDyn H motors by Rexroth Bosch are suitable for the most demanding applications. The MSS382D-0020-FA-N0CN-NNNN has no blocking brake and motor encoder. It is intended to serve as a main driver for spindle applications. With a 0020 winding, this machine can maintain a synchronous speed of 200 rpm at rated conditions.
Three-phase synchronous motors rely on electromagnetic induction to convert electricity into motion. The stator with a three-phase winding generates the changing magnetic field that induces the rotor to move. Very often, the rotor is equipped with magnetic materials, allowing it to rotate along with the generated magnetic field. For synchronous motors like those in the IndraDyn H series, the rotor is excited by a DC supply, which allows it to run in sync with the stator’s field. The MSS382D-0020-FA-N0CN-NNNN, which is a stator, provides the changing magnetic field that induces motion to a suitable MRS rotor. Particularly, the best rotor for the MSS382D-0020-FA-N0CN-NNNN is the MRS382D rotor, also under the IndraDyn H series.
During normal excitation conditions, the MSS382D-0020-FA-N0CN-NNNN can consistently provide a synchronous speed of 200 rpm and a torque of 1775 Nm. For motors, the speed and torque have an inverse relationship. Since the MSS382D-0020-FA-N0CN-NNNN is a relatively large stator, weighing about 242.7 kilograms, it is best for very high torque applications. At most, this stator can achieve a maximum torque of 3700 Nm safely. As a trade-off, however, the maximum speed possible for this stator model is capped at 800 rpm.
Frequently Asked Questions about MSS382D-0020-FA-N0CN-NNNN:
Q: What determines the maximum speed for IndraDyn H stators like the MSS382D-0020-FA-N0CN-NNNN?
A: The maximum speed for motors is determined by the DC bus excitation. For the MSS382D-0020-FA-N0CN-NNNN to achieve its maximum speed, the DC bus voltage must be 750 V.
Q: What DC bus voltage must be used with the MSS382D-0020-FA-N0CN-NNNN to achieve nameplate values?
A: During nameplate conditions, the DC bus voltage for the MSS382D-0020-FA-N0CN-NNNN must be equal to 540 V.
Q: What is the MSS382D-0020-FA-N0CN-NNNN’s rated power?
A: The MSS382D-0020-FA-N0CN-NNNN has a rated output power of 37.2 kW.
Q: How much current can the MSS382D-0020-FA-N0CN-NNNN draw continuously?
A: The MSS382D-0020-FA-N0CN-NNNN can continuously draw a current of 101 amperes. At optimal conditions, the MSS382D-0020-FA-N0CN-NNNN can briefly draw a peak current of 250 amperes.
Q: What is the inertia of the MSS382D-0020-FA-N0CN-NNNN?
A: When used with an MRS382D rotor, the MSS382D-0020-FA-N0CN-NNNN has a moment of inertia equal to 1.911 kg(m^2).
