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130B
T102.10
Illustration 7.10 Permanent Magnet (PM) Motor with Resolver
as Speed Feedback
Set-up example
In
, a permanent magnet (PM) Motor is used
with resolver as speed feedback. A PM motor must usually
operate in flux mode.
Wiring
The maximum cable length is 150 m (492 ft) when a
twisted-pair type of cable is used.
NOTICE
Always use shielded motor cables and brake chopper
cables. Resolver cables must be shielded and separated
from the motor cables. The shield of the resolver cable
must be correctly connected to the decoupling plate and
connected to chassis (ground) on the motor side.
Parameter 1-00 Configuration Mode
[1] Speed closed loop
Parameter 1-01 Motor Control Principle
[3] Flux with feedback
Parameter 1-10 Motor Construction
[1] PM, non-salient SPM
Parameter 1-24 Motor Current
Nameplate
Parameter 1-25 Motor Nominal Speed
Nameplate
Parameter 1-26 Motor Cont. Rated Torque
Nameplate
AMA is not possible on PM motors
Parameter 1-30 Stator Resistance (Rs)
Motor datasheet
Parameter 30-80 d-axis Inductance (Ld)
Motor datasheet (mH)
Parameter 1-39 Motor Poles
Motor datasheet
Parameter 1-40 Back EMF at 1000 RPM
Motor datasheet
Parameter 1-41 Motor Angle Offset
Motor datasheet (usually zero)
Parameter 17-50 Poles
Resolver datasheet
Parameter 17-51 Input Voltage
Resolver datasheet
Parameter 17-52 Input Frequency
Resolver datasheet
Parameter 17-53 Transformation Ratio
Resolver datasheet
Parameter 17-59 Resolver Interface
[1] Enabled
Table 7.12 Parameters to be Adjusted
Ordering Information
Design Guide
MG37N102
Danfoss A/S © 6/2016 All rights reserved.
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Summary of Contents for VLT 380-500 V
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