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70 • Chapter 4 Wiring Procedure
ARTDrive V2 series - Instruction Manual
AVy... (230...480Vac)
Figure 4.9.1-A: Buffering the Regulator Supply by Means of Additional Intermediate
Circuit Capacitors (for 230...480Vac)
3Ph~
PE1
/
U1/L1
V1/L2
W1/L3
BR1
U2/T1
V2/T2
W2/T3
C
D
PE2/
F1
1
Cx
1
C1x
1
C2x
=
+
C 1000 V
DC
or
X
R1c
47kohm
5W
R2c
47kohm
5W
R3c
47kohm
5W
C1x
400V
C2x
400 V
DC
DC
DC
C3x
400 V
1
C3x
+
N
OTE
!
When connecting the intermediate circuit terminals C and D the AC Input side
must
be protected with superfast semiconductor fuses!
Formula for calculating the size of the external capacitors:
C
ext
=
2 P
SMPS
t
Buff
10
6
U
2
Buff
- U
2
min
- C
std
C
ext
, C
std
[
μ
F]
P
SMPS
[W]
U
Buff
= 400 V at U
LN
= 400 V
t
Buff
[s]
U
Buff
= 460 V at U
LN
= 460 V
U
Buff
, U
min
[V]
U
min
= 250 V
Calculation example
An AVy4220 Drive is operated with an AC Input supply U
LN
= 400 V.
A voltage failure buffer is required for max. 1.5 s.
P
SMPS
70 W
t
Buff
1.5 s
U
Buff
400 V
U
min
250 V
C
std
1800
μ
F
C
ext
=
(400 V)
2
- (250 V)
2
- 1800
µ
µ
µ
µ
F = 2154 F - 1800 F = 354 F
2 70 W 1.5 s
10
6
µ
F / F
Содержание ARTDrive Vector V2 400Vac Series
Страница 1: ...Instruction Manual ARTDrive ARTDrive Vector AC Drives V2 series 400Vac Class 575Vac Class...
Страница 14: ...0 14 Chapter 0 Safety Precautions ARTDrive V2 series Instruction manual...
Страница 40: ...40 Chapter 3 Installation Guidelines ARTDrive V2 series Instruction Manual...
Страница 92: ...92 Chapter 5 Quick Start Up Guide ARTDrive V2 series Instruction Manual...
Страница 358: ...358 Chapter 8 Appendix ARTDrive V2 series Instruction Manual...
Страница 376: ...Chapter 9 Pick Lists 376 ARTDrive V2 series Instruction manual...