HEIDENHAIN iTNC 530 HSCI - Determining Data for Torque Motors

July 2013 7.12 Determining entries for motor tables 1143
7.12.2 Determining data for torque motors
The motor data for torque motors are entered in the motor table after some
conversions using the values from the motor data sheet of the respective
manufacturer (here using the example of an ETEL motor).
Values in the HEIDENHAIN motor table Values from the motor data sheet
TYPE: SM Permanently excited synchronous motor
NAME: Etel-TMA0360-070-3UC TMA0360-070-3UC
MODE: 0
Rated current
I-N in [A
eff
] winding
I-N: 32.6
Data sheet value IN
IN = 32.6 A
Rated voltage
U-N in [V
eff
] interlinked
U-N: 252
Calculation from data sheet values FN, IN,
RP.120, LP
Ue = 2 ⋅ π ⋅ (N-N / 60) ⋅ Tcw105 / Icw105 / 3
Ue = 2 ⋅ π ⋅ (180 / 60) ⋅ 485 / 32.6 / 3
Ue = 93.48 V
eff L,N
Ur = (R105L;L / 2) ⋅ Icw105
Ur = (1.92 / 2) ⋅ 32.6
Ur = 31.30 V
eff L,N
Ux = 2 ⋅ π ⋅ (n / 60) ⋅ (2p / 2) ⋅ (L1L,L / 2) ⋅ Icw105
Ux = 2 ⋅ π ⋅ (180 / 60) ⋅ (66 / 2) ⋅ (0.00738 / 2) ⋅ 32.6
Ux = 74.83 V
eff L,N
U-N = 252.0 V
eff L,L
Rated speed
N-N in [min
–1
]
N-N: 180
Data sheet value n
N-N = 180 min
–1
Rated frequency
F-N in [Hz]
F-N: 99
Calculation from data sheet value n and 2p
F-N = (n / 60) ⋅ (2p / 2)
F-N = (180 / 60) ⋅ (66 / 2)
= 99 Hz
No-load voltage at rated speed
U0 in [V
eff
] interlinked
U0: 171
Calculation from data sheet value n and Kt
U0 = 2 ⋅ π ⋅ (n / 60) ⋅ (Kt / 3) ⋅ √3
U0 = 2 ⋅ π ⋅ (180 / 60) ⋅ (15.7 / 3) ⋅ √3
U0 = 170.9 V
eff L,L
No-load current
I0 in [A
eff
] winding
I0: 0
Stator resistance at 20 °C
R1 in [mΩ] at 20° C
R1: 670
Calculation from data sheet value R20
L-L
R1 = R20
L-L
/ 2
= 1.34 Ω / 2
= 670 mΩ
Rotor resistance at 20 °C
R2 in [mΩ] at 20° C
R2: 0
U-N 3 U
e
U
r
+()
2
U
x
2
+⋅=