173
K75-90
_____________________________________________________________________________
POLYPROPYLENE FILM IMPREGNATED CAPACITORS
WITH FOIL ELECTRODES
.
75-25; 75-54.
:
.
Designed to operate in AC current circuit
and in pulse mode.
Can be used instead of K75-25; 75-54.
Design:
cylindrical housing made of
polymeric materials. Axial terminals.
" "
Design " "
" "
Design "b"
2
. (2 holes)
M6*
*
L
3*
20*
D
L
12
max
12
max
12
1
L
25
max
25
max
M6-
6g
D
D
" "
Design " "
0,01...1
Rated capacitance
0.01...1 F
5,0...40
Rated voltage
5.0...40 kV
10; 20%
Capacitance tolerance
10; 20%
f = 1
0,0005
Dissipation factor at f = 1 kHz
0.0005
r < 0,22
3000
Insulation
resistance
at r < 0.22 F
3000 MOhm
r > 0,22
1000
Time
constant
at r > 0.22 F
1000 MOhmF
-60...+55
o
C
Operating
temperature
range
-60...+55
o
C
5000
Operating time
5000 hours
:
75-90 5
0,22
10%
Ordering example:
Capacitor K75-90 5 kV 0.22 F 10%
174
D, mm
L, mm
Ur, kV
Cr, F
Rated
value
Limit
discrepancy
Rated
value
Limit
discrepancy
d, mm
Mass, g
max
Design
0.047 19
30
0.1 25
1.65
50
0.22 35
-
100
a (a)
0.47 49
1.95
6 190
5
1 70 2.3
8 380
(b),
( )
0.01 28 1.65
60
0.022 32
80
0.047 40
75 2.3
130
0.1 38
1.95
-
210
a (a)
0.22 52
6 380
10
0.47 70
2.3
8 690
(b)
0.01 31
140
0.022 39
1.95 -
220
a (a)
0.047 52
2.3
140 3.15
380
0.1 50 1.95
6
680
20
0.22 67
2.3
8 1210
(b)
0.01 38
-
390
a
(a)
0.022 50
1.95
6 680
40
0.047 70
2.3
270 4.05
8 1320
(b)
Um
f
Permissible amplitude of AC sinusoidal component of ripple voltage Um as a function of frequency f
100
10
1
50
10
2
10
10
3
10
4
10
5
Um / Ur, %
f, Hz
1
2
3
4
5
6
1)
5
(0,047
); 10
(0,01
);
2)
10
(0,022
); 20
(0,01
);
3)
5
(0,1
); 10
(0,047
);
4)
5
(0,22
); 10
(0,1
); 20
(0,022
);
40
(0,01
);
5)
5
(0,47
); 10
(0,22
); 20
(0,047; 0,1
);
40
(0,022
);
6)
5
(1
); 10
(0,47
); 20
(0,22
);
40
(0,047
)
1)
5 kV (0.047 F); 10 kV (0.01 F);
2)
10 kV (0.022 F); 20 kV (0.01 F);
3)
5 kV (0.1 F); 10 kV (0.047 F);
4)
5 kV (0.22 F); 10 kV (0.1 F); 20 kV (0.022 F);
40 kV (0.01 F);
5)
5 kV (0.47 F); 10 kV (0.22 F); 20 kV (0.047; 0.1 F);
40 kV (0.022 F);
6)
5 kV (1 F); 10 kV (0.47 F); 20 kV (0.22 F);
40 kV (0.047 F)
175
,
:
Permissible parameters of pulse mode must not exceed the values calculated from the following
formulas:
P
F
.
lg
F
C
U
.
p
p
p
r
p
8
1
10
36
2
2
4
,
,
I
F
C
U
.
p
p
r
p
0
11
1
,
;
U
p
-
,
;
F -
,
;
p
, .
I
0
= 25
" "
;
I
0
= 40
" "
6;
I
0
= 60
" "
8, " ".
where
P - a parameter specifying loss power tolerance at a natural convective heat transfer along the
lateral surface that is given in the table;
U
p
- amplitude of peak-to-peak pulse voltage, V;
F
p
- pulse repetition rate;
p
discharge current pulse duration, s;
I
0
= 25 for design
" "
;
I
0
= 40 for design
"b"
6;
I
0
= 60 for design
"b"
8, " ".
Cr, F
Ur, kV
P, VA
Cr, F
Ur, kV
P, VA
0.047
0.1
0.22
0.47
1
5
0.68
0.86
1.13
1.48
1.95
0.01
0.022
0.047
0.1
0.22
20
1.76
2.08
2.55
4.43
5.27
0.01
0.022
0.047
0.1
0.22
0.47
10
0.94
1.05
1.26
2.05
2.55
3.10
0.01
0.022
0.047
40
3.72
4.43
5.40
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