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Электронный компонент: K78-21

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95
K78-21
______________________________________________________________________________
WATER COOLED POLYPROPYLENE FILM CAPACITORS
,
,
.
:
.
(K78-21A).
Designed to operate in AC current circuits
and specifically for compensation of
reactive power
.
Design:
cylindrical housing made of
polymeric materials with metallic flanges. Can
be delivered with coolers (K78-21A).
K78-21 K78-21A
H
H
H
(4
.
8)
L
15
m
i
n*
(4
.
10 1*)
12
7*
L
L
D
(8
.
12)
20
(4
.
12)
8
D
D
60
*
4 holes 12
8 holes 12
4 holes 8
4 holes 10 1*
1
Design 1
2
Design 2
0,1 .... 68
Rated capacitance
0.1 .... 68 F
250...1000
Rated voltage
250...1000 Vrms
5; 10; 20 %
Capacitance tolerance
5; 10; 20 %
f = 1
0,0005
Dissipation factor at f = 1 kHz
0.0005
(
)
+1 ...+55
o
C
Operating
temperature
range
(obtained by the use of forced or
water cooling)
+1 ...+55
o
C
20
1,5 /
25000
Operating time
25000 hours
:
78-21 - 250 - 1,0
10%
Ordering example:
Capacitor K78-21 - 250 V - 1.0F 10%
96
,
Dimensions, mass
78-21 (
)
(without coolers)
78-21 (
)
(with coolers)
Ur,
Vrms
Cr,
F
Reactive
power
Qr, kVAr
D, mm
H, mm
, g
max
Design
D, mm
, mm
L, mm
Mass, g
max
0.22 85 32 1.95
40
36 1.95 21 1.65
160
0.33 110 42 1.95
70
45 1.95
240
0.47 125 45 1.95
80
50 1.95
280
0.68 150 52 2.3
100
56 2.3
350
1 175 58 2.3
120
63 2.3
520
2.2 250 88 2.7
32 1.95
280
90 2.7
63 2.3
1100
3.3 130
3.9 155
58 2.3
310
63 2.3
920
4.7 175 67 2.3
420
71 2.3
1000
6.8 230 85 2.7
670
90 2.7
1500
10 275 95 2.7
840
1
100 2.7
30 1.65
1700
250
22 650
140 3.15
82 2.7
1800 2
150 3.15
120 2.7
122 3.15
4400
0.22 27
32 1.95
140
0.33 40
36 1.95
21 1.65
160
0.47 55
0.68 75
45 1.95
240
1 110
56 2.3
350
2.2 225
80 2.3
63 2.3
3.9 205
71 2.3
830
4.7 240
80 2.3
1000
10 330
1
110 2.7
80 2.3
30 1.65
1300
22 255
120 2.7 100 2.7
2600
33 585
100 2.7
3700
47 760
120 2.7
4400
350
68 630
2
150 3.15
160 3.15
122 3.15
5300
0.1 35
32 1.95 21 1.65
140
0.22 70
0.33 100
45 1.95
240
0.68 190
63 2.3
520
1 260
71 2.3
63 2.3
700
2.2 300
80 2.3
1000
3.3 420
100 2.7
80 2.3
1100
3.9 280
80 2.3
1200
4.7 330
90 2.7
1300
6.8 450
1
100 2.7
30 1.65
1400
10 740
120 2.7
100 2.7
100 2.7
2600
22 900
120 2.7
4400
33 725
500
47 810
2
150 3.15
160 3.15
122 3.15
5300
0.1 55
32 1.95 21 1.65
620
0.22 105
45 1.95
700
0.33 150
50 1.95
720
0.47 205
56 2.3
770
1 385
80 2.3
1200
2.2 710
100 2.7
1700
3.3 610
1
110 2.7
30 1.65
2000
4.7 1000
120 2.7 100 2.7
2900
6.8 1400
120 2.7
4400
800
10 1090
2
150 3.15
160 3.15
122 3.15
5300
0.1 85
36 1.95 21 1.65
640
0.22 175
50 1.95
720
0.33 240
56 2.3
770
0.47 320
63 2.3
830
1 585
90 2.7
100 2.7
1300
2.2 665
1
100 2.7
30 1.65
1700
3.3 1280
120 2.7 100 2.7
2900
4.7 1620
120 2.7
4400
1000
6.8 1240
2
150 3.15
160 3.15
122 3.15
5300
97
:
Permissible Urms is expressed by
2 U
2
fC(3.10
-4
Rt + 2 fCReRt + 2fCKp) < A,
= 12
Ur = 250 ,
= 38
.
where = 12 for Ur = 250V, = 38 for Ur>250V
Ur, V
Cr, F
Re, 10
-4
Rt Kp,
10
-4
0.22 0.402
0.33 0.305
0.47 0.255
0.68 0.214
1 0.180
2.2 0.117
3.3 0.250
3.9 0.236
4.7 0.204
6.8 0.154
10 0.127
250
22
0
0.047
0
0.22 8.95 0.385
177.00
0.33 5.96 0.323
82.14
0.47 4.18 0.253
41.66
0.68 2.89 0.238
20.33
1
1.97 0.187 9.55
2.2 0.89 0.125 2.01
3.9 1.39 0.144 2.15
4.7 1.15 0.127 1.48
10 0.62 0.090 0.43
22 0.81 0.048 0.27
33 0.54 0.036 0.12
47 0.73 0.037 0.11
350
68 1.33 0.042 0.15
0.1 11.80
0.416
234.91
0.22 5.36 0.267
52.41
0.33 3.57 0.247
23.82
0.68 1.73 0.167 5.74
1
1.18 0.143 2.68
2.2 1.47 0.130 1.86
3.3 0.98 0.102 0.83
3.9 2.65 0.140 2.16
4.7 2.20 0.123 1.49
6.8 1.52 0.106 0.71
10 1.03 0.050 0.33
22 0.97 0.040 0.15
33 1.67 0.045 0.18
500
47 1.47 0.043 0.16
0.1 23.50
0.514
187.06
0.22 10.68 0.314 41.40
0.33 7.12 0.258
18.77
0.47 5.00 0.217 9.37
1
2.35 0.140 2.10
2.2 1.07 0.095 0.44
3.3 1.71 0.100 0.54
4.7 1.20 0.052 0.27
6.8 0.83 0.039 0.13
800
10 1.64 0.046 0.19
0.1 16.59
0.421
96.68
0.22 7.54 0.262
21.00
0.33 5.03 0.217 9.47
0.47 3.53 0.183 4.71
1
1.66 0.120 1.05
2.2 1.82 0.109 0.60
3.3 1.21 0.043 0.27
4.7 0.85 0.039 0.13
1000
6.8 1.71 0.046 0.21