Delta Electronics AC Motor Drive VFD-VE Series User Manual
Page 285
Appendix C How to Select the Right AC Motor Drive|
C-2
Revision August 2008, 03VE, SW V2.04
1. When one AC motor drive operates one motor
The starting capacity should be less than 1.5x rated capacity of AC motor drive
The starting capacity=
)
(
_
_
_
_
_
5
.
1
375
cos
973
2
kVA
drive
motor
AC
of
capacity
the
t
N
GD
T
N
k
A
L
Ч
≤
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
Ч
+
Ч
Ч
Ч
ϕ
η
2. When one AC motor drive operates more than one motor
2.1 The starting capacity should be less than the rated capacity of AC motor drive
Acceleration time
≦
60 seconds
The starting capacity=
(
)
[
]
(
)
)
(
_
_
_
_
_
5
.
1
1
cos
1
1
1
kVA
drive
motor
AC
of
capacity
the
k
n
n
P
k
n
n
N
k
s
C
s
s
T
s
T
Ч
≤
+
=
+
Ч
Ч
⎥
⎥
⎥
⎦
⎤
⎢
⎢
⎢
⎣
⎡
−
−
ϕ
η
Acceleration time
≧
60 seconds
The starting capacity=
(
)
[
]
(
)
)
(
_
_
_
_
_
1
cos
1
1
1
kVA
drive
motor
AC
of
capacity
the
k
n
n
P
k
n
n
N
k
s
C
s
s
T
s
T
≤
+
=
+
Ч
Ч
⎥
⎥
⎥
⎦
⎤
⎢
⎢
⎢
⎣
⎡
−
−
ϕ
η
2.2 The current should be less than the rated current of AC motor drive(A)
Acceleration time
≦
60 seconds
)
(
_
_
_
_
_
_
5
.
1
1
1
A
drive
motor
AC
of
current
rated
the
k
n
n
I
n
S
M
T
S
T
×
≤
+
+
⎥
⎦
⎤
⎢
⎣
⎡
⎟
⎠
⎞
⎜
⎝
⎛
−
Acceleration time
≧
60 seconds
)
(
_
_
_
_
_
_
1
1
A
drive
motor
AC
of
current
rated
the
k
n
n
I
n
S
M
T
S
T
≤
+
+
⎥
⎦
⎤
⎢
⎣
⎡
⎟
⎠
⎞
⎜
⎝
⎛
−
- 1x9 Bi-Directional Transceiver Module OPBD-155F2J1R (7 pages)
- Single Mode SFP Transceiver LCP-1250B4MDRx (14 pages)
- LC-1250xxxx Series (10 pages)
- Human Machine Interface DOP-AS Series (329 pages)
- Analog Output Module DVP04DA-S (2 pages)
- DeviceNet Slave Communication Module IFD9502 (2 pages)
- LCP-155B4MSRx (12 pages)
- High-Speed PCI 12-Axis Motion Control Card PCI-DMC-B01 (528 pages)
- Network Device DVP01PU-S (2 pages)
- GBIC-1250D5MR (12 pages)
- SPBD-1250A4Q1RT (10 pages)
- SILM4015 (1 page)
- LCP-8500A4EDR (14 pages)
- 10GBASE-SR SFP+ Optical Transceiver LCP-10G3A4EDR (16 pages)
- LCP-155A4HSRx (11 pages)
- LCP-1250RJ3SR-L (9 pages)
- SILM320L (1 page)
- LCP-1250RJ3SR-S (9 pages)
- SIL530 (1 page)
- Extension Digital I/O Module DOP-EXIO28RAE (1 page)
- DVP Series PLC DVP04TC-H2 (2 pages)
- 1x9 Bi-Directional Transceiver Module OPBD-155F1J1R (7 pages)
- Distribution Box TAP-CN01/02/03 (2 pages)
- LCP-200A4HSR (9 pages)
- Pulse Generation Unit DVP01PU-H2 (2 pages)
- Power Connection Interface VFD-PSD01 (1 page)
- Programmable Logic Controller DVP04DA-H2 (2 pages)
- Single Mode SFP Transceiver LCP-1250B4QDRx (13 pages)
- LCP-155B4JSRx Series (12 pages)
- Series Temperature Controller DTD Series (2 pages)
- Brake Modules BUE Series (2 pages)
- PLC DVP Series DVP-SX (2 pages)
- Digital Keypad / Display ASD-PU-01A (1 page)
- Multimode SFP Transceiver LCP-1250A4FDRx (14 pages)
- HMU1362M (1 page)
- RPA-01 (1 page)
- THMR1395 (1 page)
- SFBD-155F2J1RM (7 pages)
- Program Transfer Module DVP-PCC01 (1 page)
- RTU-DNET (41 pages)
- AC Servo Drive ASDA-AB (37 pages)
- Digital Keypad / Display ASD-PU-01B (1 page)
- HMR1045 (1 page)
- CANopen Communication Module DVPCOPM-SL (2 pages)
- SPBD-1250B4Q1R (10 pages)