Toshiba Tosvert VF-A5 - Page 27

Fig. 6.2.1 Input/output internal circuits (1/2)
Sym-
bol
0
®
Internal circuit diagram
R/LlO- Varistor - Capacitor-
wo- t - t -
T/L30- MOV -
Llghtin .... g~~ ....
surge
: I:DSAabsorber
G/E~--...--+-----~
(E)O--
I = V-MV•I ~ed
I 200V system 470V 300JV
I 400V system , OOJV I 300JV
_J 11:-1'---,, TA .... ,~-A ...... A ____ - _- -1:-((:
~.-.-+--+--,AAPr-A--((Q
!
Current detection
Cir CUit
3.7kW and smaller Temperature
Built-in braking...:_· ---- - - -- - ·7f fuse
reS1stor • "- •
(PR1) O : _____________ :
(PA1)1~
(PB1)~
PA :- I
PBo- :--------.
e
-
_J~
PCo- :----~
5.5, 7.5kW
PB
a
PA
0
0
l!J
r.:-i
f
PO
e
PC
0
U/T1
V/T2
W/T3
Z!z:
Sym-
bol
@)
®
- 21 -
E6580516
Internal circuit diagram
11-18.5kW
PB
PA
PO
PC
0
a
0
f
a
22kW and larger
l!J
irz:
~~
_J
e
: t-:-··-··1
•
:.i..
~-~e
PC ~cm-----'
. : ,,,.
l 11'. ~--·
r=.., .;(
RlOO
f ~lectrolytte capacrtor
RO 011------r~.,__--l
SQ {g)ICOl>------l
Mu.-
PMkiMllll
~enl-
1._ier capodty
amint durtng
aipaclty
mu. Input
R100
c
200V
7 .51<.W and smaller SOVA 20A-3mS 160 100,.F
system
30kW and smaller
SOVA
20A-7mS 160
220µF
200V
37kW and larger
SOVA 10A-13mS
330 200µF
400V
7.5kW and smaller
SOVA
20A-3mS 320
50µF
system
JOkW and smaller SOVA 20A-7mS 320 110µF
400V system 37-280kW
460: 230 150VA
:;:J11
FU
~
-
R20 0
820 0