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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