Электротехническая библиотека / www.elec.ru
Примечания:
1. Значения в скобках даны с меньшей точностью.
2. При измерении шаровыми измерительными разрядниками постоянного напряжения обеих полярностей погрешность данных, приведенных в табл. 1, не превышает 5% для расстояний между шарами до 0,4 D.
Таблица 2
Разрядные значения напряжений полных грозовых и более длинных импульсов положительной полярности (50%-ное разрядное напряжение)
|
Расстояни е меледу шарами, см |
Разрядное напряжение, кВ |
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Диаметр шаров, см |
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|
2 |
5 |
6,25 |
10 |
12,5 |
15 |
25 |
50 |
75 |
100 |
150 |
200 |
|
|
0,30 |
И,2 |
И,2 |
|
1 |
|
|
|
|
|
|
|
|
|
0,40 |
14,4 |
14,3 |
14,2 |
|
|
|
|
|
|
|
|
|
|
0,50 |
17,4 |
17,4 |
17,2 |
16,8 |
16,8 |
16,8 |
|
|
|
|
|
|
|
0,60 |
20,4 |
20,4 |
20,2 |
19,9 |
19,9 |
19,9 |
|
|
|
|
|
|
|
0,70 |
23,2 |
23,4 |
23,2 |
23,0 |
23,0 |
23,0 |
|
|
|
|
|
|
|
0,80 |
25,8 |
26,3 |
26,2 |
26,0 |
26,0 |
26,0 |
|
|
|
|
|
|
|
0,90 |
28,3 |
29,2 |
29,1 |
28,9 |
28,9 |
28,9 |
|
|
|
|
|
|
|
1,0 |
30,7 |
32,0 |
31,9 |
31,7 |
31,7 |
31,7 |
31,7 |
|
|
|
|
|
|
1,2 |
(35,1) |
37,8 |
37,6 |
37,4 |
37,4 |
37,4 |
37,4 |
|
|
|
|
|
|
1,4 |
(38,5) |
43,3 |
43,2 |
42,9 |
42,9 |
42,9 |
42,9 |
|
|
|
|
|
|
1,5 |
(40,0) |
46,2 |
45,9 |
45,5 |
45,5 |
45,5 |
45,5 |
|
|
|
|
|
|
1,6 |
|
49,0 |
48,6 |
48,1 |
48,1 |
48,1 |
48,1 |
|
|
|
|
|
|
1,8 |
|
54,5 |
54,0 |
53,5 |
53,5 |
53,5 |
53,5 |
|
|
|
|
|
|
2,0 |
|
59,5 |
59,0 |
59,0 |
59,0 |
59,0 |
59,0 |
59,0 |
59,0 |
|
|
|
|
2,2 |
|
64,0 |
64,0 |
64,5 |
64,5 |
64,5 |
64,5 |
64,5 |
64,5 |
|
|
|
|
2,4 |
|
69,0 |
69,0 |
70,0 |
70,0 |
70,0 |
70,0 |
70,0 |
70,0 |
|
|
|
|
2,6 |
|
(73,0) |
(73,5) |
75,5 |
75,5 |
75,5 |
75,5 |
75,5 |
75,5 |
|
|
|
|
2,8 |
|
(77,0) |
78,0 |
80,5 |
80,5 |
80,5 |
81,0 |
81,0 |
81,0 |
|
|
|
|
3,0 |
|
(81,0) |
82,0 |
85,5 |
85,5 |
85,5 |
86,0 |
86,0 |
86,0 |
86,0 |
|
|
|
3,5 |
|
(90,0) |
(91,5) |
97,5 |
98,0 |
98,0 |
99,0 |
99,0 |
99,0 |
99,0 |
|
|
|
4,0 |
|
(97,5) |
(101) |
109 |
ПО |
111 |
112 |
112 |
112 |
112 |
|
|
|
4,5 |
|
|
(108) |
120 |
122 |
124 |
125 |
125 |
125 |
125 |
|
|
|
5,0 |
|
|
(115) |
130 |
134 |
136 |
138 |
138 |
138 |
138 |
138 |
|
|
5,5 |
|
|
|
(139) |
145 |
147 |
151 |
151 |
151 |
151 |
151 |
|
|
6,0 |
|
|
|
(148) |
155 |
158 |
163 |
164 |
164 |
164 |
164 |
|
|
6,5 |
|
|
|
(156) |
(164) |
168 |
175 |
177 |
177 |
177 |
177 |
|
|
7,0 |
|
|
|
(163) |
(173) |
178 |
187 |
189 |
190 |
190 |
190 |
|
|
7,5 |
|
|
|
(170) |
(181) |
187 |
199 |
202 |
203 |
203 |
203 |
|
|
8,0 |
|
|
|
|
(189) |
(196) |
211 |
214 |
215 |
215 |
215 |
|
|
9,0 |
|
|
|
|
(203) |
(212) |
233 |
239 |
240 |
241 |
241 |
|
|
10 |
|
|
|
|
(215) |
(226) |
254 |
263 |
265 |
266 |
266 |
266 |
|
11 |
|
|
|
|
|
(238) |
273 |
287 |
290 |
292 |
292 |
292 |
|
12 |
|
|
|
|
|
(249) |
291 |
311 |
315 |
318 |
318 |
318 |
|
13 |
|
|
|
|
|
|
(308) |
334 |
339 |
342 |
342 |
342 |
|
14 |
|
|
|
|
|
|
(323) |
357 |
363 |
366 |
366 |
366 |
|
15 |
|
|
|
|
|
|
(337) |
380 |
387 |
390 |
390 |
390 |
|
16 |
|
|
|
|
|
|
(350) |
402 |
411 |
414 |
414 |
414 |
|
17 |
|
|
|
|
|
|
(362) |
422 |
435 |
438 |
438 |
438 |
|
18 |
|
|
|
|
|
|
(374) |
442 |
458 |
462 |
462 |
462 |
|
19 |
|
|
|
|
|
|
(385) |
461 |
482 |
486 |
486 |
486 |
|
20 |
|
|
|
|
|
|
(395) |
480 |
505 |
510 |
510 |
510 |
|
22 |
|
|
|
|
|
|
|
510 |
545 |
555 |
560 |
560 |
|
24 |
|
|
|
|
|
|
|
540 |
585 |
600 |
610 |
610 |
|
26 |
|
|
|
|
|
|
|
570 |
620 |
645 |
655 |
660 |
|
28 |
|
|
|
|
|
|
|
(595) |
660 |
685 |
700 |
705 |
|
30 |
|
|
|
|
|
|
|
(620) |
695 |
725 |
745 |
750 |
|
32 |
|
|
|
|
|
|
|
(640) |
725 |
760 |
790 |
795 |
|
34 |
|
|
|
|
|
|
|
(660) |
755 |
795 |
835 |
840 |
|
36 |
|
|
|
|
|
|
|
(680) |
785 |
830 |
880 |
885 |
|
38 |
|
|
|
|
|
|
|
(700) |
(810) |
865 |
925 |
935 |
|
40 |
|
|
|
|
|
|
|
(715) |
(835) |
900 |
965 |
980 |
|
45 |
|
|
|
|
|
|
|
|
(890) |
980 |
1060 |
1090 |
|
50 |
|
|
|
|
|
|
|
|
(940) |
1040 |
1150 |
1190 |
|
55 |
|
|
|
|
|
|
|
|
(985) |
(1100) |
1240 |
1290 |
|
60 |
|
|
|
|
|
|
|
|
(1020) |
(1150) |
1310 |
1380 |
|
65 |
|
|
|
|
|
|
|
|
|
(1200) |
1380 |
1470 |
|
70 |
|
|
|
|
|
|
|
|
|
(1240) |
1430 |
1550 |
|
75 |
|
|
|
|
|
|
|
|
|
(1280) |
1480 |
1620 |
|
80 |
|
|
|
|
|
|
|
|
|
|
(1530) |
1690 |
|
85 |
|
|
|
|
|
|
|
|
|
|
(1580) |
1760 |
|
90 |
|
|
|
|
|
|
|
|
|
|
(1630) |
1820 |
|
100 |
|
|
|
|
|
|
|
|
|
|
(1720) |
1930 |
|
ПО |
|
|
|
|
|
|
|
|
|
|
(1790) |
(2030) |
|
120 |
|
|
|
|
|
|
|
|
|
|
(1860) |
(2120) |
|
130 |
|
|
|
|
|
|
|
|
|
|
|
(2200) |
|
140 |
|
|
|
|
|
|
|
|
|
|
|
(2280) |
|
150 |
|
|
|
|
|
|
|
|
|
|
|
(2350) |
