1-10
Description
REFUdrive 500 RD51
DOK-RD500*-RD51*******-IB01-EN-P
Liquid cooling
P E
L 3
L 2
L 1
L i n e s u p p l y , 3 p h a s e s
B W
M 3 ~
I G R
A l t e r n a t i v e :
H T L i n c r e m e n t a l e n c o d e r
M F
V 1
W 1
U 1
V 2
P E
W 2
U 2
O p t i o n m o t o r f i l t e r
J
X 2
V 2
P E
W 2
U 2
P E
1
W 1
V 1
X 5
D
E W
S E
W S
K 1
K 2
B C
2
X 8 0
I n v e r t e r c o n t r o l
X 3 7
W R
U 1
B C B r a k i n g
c h o p p e r
B W B r a k e
r e s i s t o r
E 1 F a n
E W
G r o u n d f a u l t t r a n s d u c e r
G L R e c t i f i e r
K 1
M a i n c o n t a c t o r
K 2 P r e - c h a r g i n g
c o n t a c t o r
P 1
C o o l i n g c i r c u i t p u m p
S E
C u r r e n t s e n s i n g
S N T
S w i t c h e d - m o d e p o w e r s u p p l y
W S
I n v e r t e r c o n t r o l
W R I n v e r t e r
O p t i o n s
M F
M o t o r f i l t e r
3
S t a r t i n h i b i t
J
E x t . f u s e s
C
F
X 2
12
1
12
2
K 1
X 3
P 1
K 1
K 2
AC
230V
S N T
H e a t e x c h a n g e r f o r
l i q u i d c o o l i n g
+ 2 4 V
X 3 7
X 5
4
5
1 5 4
1 5 3
1 5 1
1 5 2
X 2
X 1
P E
E 1
C *
F *
P E
H e a t e x c h a n g e r
L i n e f i l t e r
C o n v e r t e r
P E
G L
X 1 2 2
P E
Fig. 1-4: Circuit principle of liquid cooled converter
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