TLHG-9903系列放電保護球隙
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產(chǎn)品別稱
產(chǎn)品介紹
TLHG-9903放電球隙測壓器外形美觀、接線簡單、動作可靠,是高壓實驗室必備試驗設(shè)備之一。放電保護球隙是一對直徑相同的球型電極,當(dāng)其與高壓試驗變壓器、控制臺、調(diào)壓器、水電阻等組成成套測試設(shè)備后,可在工頻高壓試驗時用于高壓測量及保護被試物品之用。
產(chǎn)品參數(shù)
試驗時將球隙器和試品并聯(lián),將球隙調(diào)整在60%試驗電壓。測定球隙放電時試驗電壓值(取3~4次平均值),然后按同樣方法測定70%和80%試驗電壓表讀 數(shù)。以此三點線值作一曲線(大多為一直線),再延長此曲線(大多按正比例推算)至所需的試驗電壓高10~15%位置作為耐壓驗過程可能發(fā)生過電壓的放電保 護電壓值。一球接地的球隙適用于交流電壓、負(fù)極性的雷電沖擊電壓和長波尾沖擊及兩種極性的直流電壓 kV(峰值)
球隙距離(cm) |
球直徑(cm) |
5 |
6.25 |
10 |
12.5 |
15 |
25 |
0.20 |
8.0 |
|
|
|
|
|
0.25 |
9.6 |
|
|
|
|
|
0.30 |
11.2 |
|
|
|
|
|
0.40 |
14.3 |
14.2 |
|
|
|
|
0.50 |
17.4 |
17.2 |
16.8 |
16.8 |
16.8 |
|
0.60 |
20.4 |
20.2 |
19.9 |
19.9 |
19.9 |
|
0.70 |
23.4 |
23.7 |
23.0 |
23.0 |
23.0 |
|
0.80 |
26.3 |
26.2 |
26.0 |
26.0 |
26.0 |
|
0.90 |
29.2 |
29.1 |
28.9 |
28.9 |
28.9 |
|
1.0 |
32.0 |
31.9 |
31.7 |
31.7 |
31.7 |
31.7 |
1.2 |
37.6 |
37.5 |
37.4 |
37.4 |
37.4 |
37.4 |
1.4 |
42.9 |
42.9 |
42.9 |
42.9 |
42.9 |
42.9 |
1.5 |
45.5 |
45.5 |
45.5 |
45.5 |
45.5 |
45.5 |
1.6 |
48.1 |
48.1 |
48.1 |
48.1 |
48.1 |
48.1 |
1.8 |
53.0 |
53.5 |
53.5 |
53.5 |
53.5 |
53.5 |
2.0 |
57.5 |
56.5 |
59.0 |
59.0 |
59.0 |
59.0 |
2.2 |
61.5 |
63.0 |
64.5 |
64.5 |
64.5 |
64.5 |
2.4 |
65.5 |
67.5 |
69.5 |
70.0 |
70.0 |
70.0 |
2.6 |
(69.0) |
72.0 |
74.5 |
75.0 |
75.5 |
75.5 |
2.8 |
(72.5) |
76.0 |
79.5 |
80.0 |
80.5 |
81.0 |
3.0 |
(32.5) |
79.5 |
84.5 |
85.0 |
85.5 |
86.5 |
3.5 |
(88.5) |
(87.5) |
95.5 |
97.0 |
98.0 |
99.0 |
4.0 |
|
(95.0) |
10.5 |
108 |
110 |
112 |
4.5 |
|
(101) |
150 |
119 |
122 |
125 |
5.0 |
|
(107) |
123 |
129 |
133 |
137 |
5.5 |
|
|
(131) |
138 |
143 |
149 |
6.0 |
|
|
(138) |
146 |
152 |
161 |
6.5 |
|
|
(144) |
(154) |
161 |
173 |
7.0 |
|
|
(150) |
(161) |
169 |
184 |
7.5 |
|
|
(155) |
(168) |
177 |
195 |
8.0 |
|
|
|
(174) |
(185) |
206 |
9.0 |
|
|
|
(185) |
(198) |
226 |
10 |
|
|
|
(195) |
(209) |
244 |
11 |
|
|
|
|
(219) |
261 |
12 |
|
|
|
|
(229) |
273 |