由于电缆的容量较大,在进行耐压试验时采用传统的工频试验变压器很笨重,且大电流的工作电源在现场不易取得。因此一般采用串联谐振来进行电缆的交流耐压试验。下表为不同规格电缆的耐压试验,串联谐振的选型方案,仅供参考。
电缆范围 |
串联谐振 型号规格 |
串联谐振各组成部分的规格型号 |
变频电源 |
励磁变压器 |
电抗器 |
分压器 |
10kV/300 mm²电缆长度1km, 电容量≤0.3755μF,试验电压22kV |
SXBP-44/22 |
3KW |
3KVA/1.5kV |
22KVA/22kV 共2节 |
30kV/1500pF |
10kV/300 mm²电缆长度2km, 电容量≤0.7515μF,试验电压22kV |
SXBP-88/22 |
6KW |
6KVA/1.5kV |
44KVA/22kV 共2节 |
30kV/2800pF |
10kV/300 mm²电缆长度3km, 电容量≤1.126μF,试验电压22kV |
SXBP-132/22 |
6KW |
6KVA/1kV |
44KVA/22kV 共3节 |
30kV/2000pF |
10kV/300 mm²电缆长度4km, 电容量≤1.502μF,试验电压22kV |
SXBP-176/22 |
7.5KW |
7.5KVA/1kV |
44KVA/22kV 共4节 |
30kV/1500pF |
10kV/300 mm²电缆长度5km, 电容量≤1.88μF,试验电压22kV |
SXBP-220/22 |
10KW |
10KVA/1kV |
44KVA/22kV 共5节 |
30kV/1200pF |
20kV/300 mm²电缆长度1km, 电容量≤0.2187μF,试验电压45kV |
SXBP-125/50 |
6KW |
6KVA/2.5kV |
31.25KVA/25kV 共4节 |
50kV/1000pF |
20kV/300 mm²电缆长度2km, 电容量≤0.4374μF,试验电压45kV |
SXBP-250/50 |
12KW |
12KVA/2.5kV |
62.5KVA/25kV 共4节 |
50kV/1500pF |
20kV/300 mm²电缆长度3km, 电容量≤0.716μF,试验电压45kV |
SXBP-375/50 |
18KW |
18KVA/2.5kV |
62.5KVA/25kV 共6节 |
50kV/1500pF |
20kV/300 mm²电缆长度4km, 电容量≤0.955μF,试验电压45kV |
SXBP-500/50 |
22KW |
22KVA/2.5kV |
62.5KVA/25kV 共8节 |
50kV/1000pF |
20kV/300 mm²电缆长度5km, 电容量≤1.19μF,试验电压45kV |
SXBP-600/50 |
30KW |
30KVA/2.5kV |
75KVA/25kV 共8节 |
50kV/1000pF |
27.5kV/300 mm²电缆长度1km, 电容量≤0.1945μF,试验电压55kV |
SXBP-150/60 |
7.5KW |
7.5KVA/3kV |
37.5KV/25kV 共4节 |
60kV/1000pF |
27.5kV/300 mm²电缆长度2km, 电容量≤0.389μF,试验电压55kV |
SXBP-300/60 |
15KW |
15KVA/3kV |
75KV/30kV 共4节 |
60kV/1500pF |
27.5kV/300 mm²电缆长度3km, 电容量≤0.5835μF,试验电压55kV |
SXBP-450/60 |
22KW |
22KVA/3kV |
75KV/30kV 共6节 |
60kV/1000pF |
27.5kV/300 mm²电缆长度4km, 电容量≤0.778μF,试验电压55kV |
SXBP-600/60 |
30KW |
30KVA/3kV |
75KV/30kV 共8节 |
60kV/1000pF |
27.5kV/300 mm²电缆长度5km, 电容量≤0.9725μF,试验电压55kV |
SXBP-720/60 |
37KW |
37KVA/3kV |
72KV/30kV 共10节 |
60kV/1500pF |
35kV/300 mm²电缆长度1km, 电容量≤0.1945μF,试验电压52kV |
SXBP-135/54 |
7.5KW |
7.5KVA/3kV |
33.75KV/27kV 共4节 |
60kV/1000pF |
35kV/300 mm²电缆长度2km, 电容量≤0.389μF,试验电压52kV |
SXBP-270/54 |
15KW |
15KVA/3kV |
67.5KV/27kV 共4节 |
60kV/1500pF |
35kV/300 mm²电缆长度3km, 电容量≤0.5835μF,试验电压52kV |
SXBP-396/54 |
22KW |
22KVA/3kV |
66KV/27kV 共6节 |
60kV/1000pF |
35kV/300 mm²电缆长度4km, 电容量≤0.778μF,试验电压52kV |
SXBP-486/54 |
30KW |
30KVA/3kV |
60.75KV/27kV 共8节 |
60kV/1000pF |
35kV/300 mm²电缆长度5km, 电容量≤0.9725μF,试验电压52kV |
SXBP-648/54 |
37KW |
37KVA/3kV |
81KV/27kV 共8节 |
60kV/1000pF |
110kV/300 mm²电缆长度1km, 电容量≤0.147μF,试验电压128kV |
SXBP-576/54 |
22KW |
22KVA/5kV |
72KV/32kV 共8节 |
130kV/1000pF |
110kV/300 mm²电缆长度2km, 电容量≤0.249μF,试验电压128kV |
SXBP-1170/54 |
45KW |
45KVA/5kV |
585KV/130kV 共2节 |
130kV/1200pF |
110kV/300 mm²电缆长度2km, 电容量≤0.249μF,试验电压128kV |
SXBP-1170/130 |
45KW |
45KVA/5kV |
585KV/130kV 共2节 |
130kV/1200pF |
110kV/300 mm²电缆长度3km, 电容量≤0.441μF,试验电压128kV |
SXBP-1690/130 |
65KW |
65KVA/5kV |
845KV/130kV 共2节 |
130kV/1500pF |
110kV/300 mm²电缆长度4km, 电容量≤0.588μF,试验电压128kV |
SXBP-2210/130 |
90KW |
90KVA/5kV |
1105KV/130kV 共2节 |
130kV/2000pF |
110kV/300 mm²电缆长度5km, 电容量≤0.588μF,试验电压128kV |
SXBP-2860/130 |
110KW |
110KVA/5kV |
1430KV/130kV 共2节 |
130kV/2500pF |
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