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MITSUBISHI CNC
7-3-5 Example for power supply unit and power supply facility capacity
< MDS-D Series >
(Example 1)
The power supply unit satisfying the total of the rate output and the maximum momentary output is
MDS-D-CV-300.
Required power supply capacity (kVA) = (29.35 / 30) x 43 = 42.1 (kVA)
(Example 2)
The power supply unit satisfying the total of the rate output and the maximum momentary output is
MDS-D-CV-370.
Required power supply capacity (kVA) = (26.2 / 37) x 53 = 37.5 (kVA)
(Example 3))
The power supply unit satisfying the total of the rate output and the maximum momentary output is
MDS-D-CV-300.
Required power supply capacity (kVA) = (21.75 / 30) x 43 = 31.2 (kVA)
Axis name Motor Drive unit Rated output Maximum momentary output
X-axis HF354 (MDS-D-V2-160160) 3.5kW 18kW
Y-axis HF354 (MDS-D-V2-160160) 3.5kW 18kW
Z-axis HF354 (MDS-D-V1-160) 3.5kW 18kW
Spindle Spindle motor 22kW
MDS-D-SP-320
(Output coefficient 1.0)
22kW 26.4kW
Total
0.7 x (3.5 x 3) + 22
= 29.35kW
< 31kW (D-CV-300)
(18 x 3) + 26.4
= 80.4kW
< 92kW (D-CV-300)
Axis name Motor Drive unit Rated output Maximum momentary output
X1-axis HF453 (MDS-D-V2-160160) 4.5kW 22kW
X2-axis HF453 (MDS-D-V2-160160) 4.5kW 22kW
Y-axis HF354 (MDS-D-V2-160160) 3.5kW 18kW
Z-axis HF354 (MDS-D-V2-160160) 3.5kW 18kW
Spindle Spindle motor 15kW
MDS-D-SP-200
(Output coefficient 1.0)
15kW 18kW
Total
0.7 x (4.5 x 2 + 3.5 x 2) + 15
= 26.2kW
< 31kW (D-CV-300)
22 x 2 + 18 x 2 + 18
= 98.0kW
< 101kW (D-CV-370)
Axis name Motor Drive unit Rated output Maximum momentary output
X-axis HF354 MDS-D-V1-160 3.5kW 18kW
Y-axis HF204 MDS-D-V2-8080 2.0kW 8kW
Z-axis HF204 MDS-D-V2-8080 2.0kW 8kW
Spindle
Spindle motor 15kW
(High-torque motor)
MDS-D-SP-320
(Output coefficient 1.1)
16.5kW 18kW
Total
0.7 x (3.5 + 2.0 x 2) + 16.5
= 21.75kW
< 31kW (D-CV-300)
18 + 8 x 2 + 18
= 52kW
< 60kW (D-CV-185)