Speed Control Under Pm Motor Control - Mitsubishi Electric FR-F820-00077 Instruction Manual

Parameters
IPM motor specification list
Rated motor frequency
(rotations per minute)
Maximum motor frequency
(rotations per minute)
Number of motor poles
Short-time motor torque
Minimum frequency
(rotations per minute)
Speed detection hysteresis
frequency
(rotations per minute)
Overspeed detection level,
frequency
(rotations per minute)
Tab. 5-22:
5.3

Speed control under PM motor control

Purpose
To adjust the gain during PM motor
control
To stabilize torque feedback signal
Speed control performs control so that the speed command and the actual motor rotation speed
match.
FR-F800
MM-EFS (1500 r/min
specification)
(15 kW or lower)
75 Hz (1500 r/min)
112.5 Hz (2250 r/min) 150 Hz (2250 r/min)
6
110% for SLD, 120% for LD
7.5 Hz (150 r/min)
0.5 Hz (10 r/min)
122.5 Hz (2450 r/min) 160 Hz (2400 r/min)
IPM motor specification list
Parameter to set
Speed control gain
adjustment
Torque detection filter
Speed control under PM motor control
MM-EFS (1500 r/min
MM-THE4
specification)
(75 kW to 160 kW)
(18.5 kW to 55 kW)
100 Hz (1500 r/min) 75 Hz (1500 r/min)
90 Hz (1800 r/min)
8 6
10 Hz (150 r/min) 7.5 Hz (150 r/min)
0.5 Hz (8 r/min) 0.5 Hz (10 r/min)
100 Hz (2000 r/min)
P.G211 to P.G214,
P.G311 to P.G314
P.G216, P.G316
MM-EFS (3000 r/min
specification)
(15 kW or lower)
150 Hz (3000 r/min)
200 Hz (40000 r/min)
6
15 Hz (300 r/min)
0.5 Hz (10 r/min)
210 Hz (4200 r/min)
Refer
to page
Pr. 820, Pr. 821,
Pr. 824,Pr. 825,
5-55
Pr. 830, Pr. 831,
Pr. 834, Pr.8 35
Pr. 827, Pr. 837 5-59
5 - 53