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  电缆附件通用电气性能指标   ◆◆


66~220kV系列产品的主要电气性能指标
The Main Electric Performance Index of 66-220kV Series Products

试验项目及要求
test items and instructions

(执行标准/in accordance with:GB/T11017、IEC60840、GB/T18890)

电压等级
voltage level

48/66kV

64/110kV

76/138kV

127/220kV

室温局部放电试验:
partial discharge test under room temperature

≤5pC@72kV

≤5pC@96kV
≤5pC@114kV
≤5pC@190kV
热循环电压试验:
temperature circles test
导体加热至95~100℃,施加电压96kV,每一循环为24h,其中加热8h、冷却16h,共20个循环 heat the conductor up to 95-100℃,apply a voltage of 96kV,the duration of each circle is 24h,in which 8h for heat up and 16h for cooling,20 times circles.
导体加热至95~100℃,施加电压128kV,每一循环为24h,其中加热8h、冷却16h,共20个循环 heat the conductor up to 95-100℃,apply a voltage of 128kV,the duration of each circle is 24h,in which 8h for heat up and 16h for cooling,20 times circles.
导体加热至95~100℃,施加电压152kV,每一循环为24h,其中加热8h、冷却16h,共20个循环 heat the conductor up to 95-100℃,apply a voltage of 152kV,the duration of each circle is 24h,in which 8h for heat up and 16h for cooling,20 times circles.
导体加热至95~100℃,施加电压254kV,每一循环为24h,其中加热8h、冷却16h,共20个循环 heat the conductor up to 95-100℃,apply a voltage of 254kV,the duration of each circle is 24h,in which 8h for heat up and 16h for cooling,20 times circles.
室温局部放电试验:
partial discharge test
under room temperature
≤5pC@72kV
≤5pC@96kV
≤5pC@114kV
≤5pC@190kV
雷电冲击电压试验:
lightning impulse
withstand test
450kV±15次
550kV±15次
650kV±15次
1050kV±15次
雷电冲击后工频电压试验:
power frequency withstand
test after lightning impulse
120kV/15min,
不闪络、不击穿
120kV/15min,no flashover,no breakdown
160kV/15min,
不闪络、不击穿
160kV/15min,no flashover,no breakdown
190kV/15min,
不闪络、不击穿
190kV/15min,no flashover,no breakdown
254kV/15min,
不闪络、不击穿
254kV/15min,no flashover,no breakdown
淋雨电压试验:
rain withstand test
140kV,1min
不闪络、不击穿
140kV/1min,no flashover,no breakdown
185kV,1min
不闪络、不击穿
185kV/1min,no flashover,no breakdown
190kV,1min
不闪络、不击穿
190kV/1min,no flashover,no breakdown
460kV,1min
不闪络、不击穿
460kV/1min,no flashover,no breakdown

 

10 ~ 35kV系列产品的主要电气性能指标
The Main Electric Performance Index of 10-35kV Series Products

试验项目及要求
test items and instructions

测试结果/test result(执行标准/as per:GB/T12706.4、IEC60502-4)

电压等级
voltage level

8.7/10、8.7/15kV

12/20kV

26/35kV

27.5kV(Uo)
(电气化铁道专用/specially for electrified railway)

工频电压试验
Power frequency voltage test(4.5Uo,≤5min)
39kV、5min, 未击穿
39kV、5min,no
breakdown
54kV、5min, 未击穿
54kV、5min,no
breakdown
117kV、5min, 未击穿
117kV、5min,no
breakdown
124kV、5min, 未击穿
124kV、5min,no
breakdown
局部放电/partial distrage(1.73Uo,≤10pC)
15kV下,放电量≤3pC under15kV,discharge≤3pC
20kV下,放电量≤3pC under20kV,discharge≤3pC
45kV下,放电量≤3pC under45kV,discharge≤3pC
48kV下,放电量≤3pC under48kV,discharge≤3pC
恒压负荷试验
constant voltage load test(θt,2.5Uo,
空气中循环60次
60 circles in air)
导体温度95~100℃,23kV下,
完成60次循环
conductor temperature 95~100℃,under 23kV,complete 60 circles
导体温度95~100℃,30kV下,
完成60次循环
conductor temperature 95~100℃,under 30kV,complete 60 circles
导体温度95~100℃,65kV下,
完成60次循环
conductor temperature 95~100℃,under 65kV,complete 60 circles
导体温度95~100℃,69kV下,
完成60次循环
conductor temperature 95~100℃,under 69kV,complete 60 circles
冲击电压试验
lightning impulse
withstand test
(θt,±10次)
导体温度95~100℃下,
95kV±10次,未击穿,未闪络
conductor temperature
under 95~100℃,
95kV±10times,no breakdown,no flashover
导体温度95~100℃下,
125kV±10次,未击穿,未闪络
conductor temperature
under 95~100℃,
125kV±10times,no breakdown,no flashover
导体温度95~100℃下,
200kV±10次,未击穿,未闪络
conductor temperature
under 95~100℃,
200kV±10times,no breakdown,no flashover
导体温度95~100℃下,
250kV±10次,未击穿,未闪络
conductor temperature
under 95~100℃,
250kV±10times,no breakdown,no flashover
工频电压/Power frequency (2.5Uo,15min)
22kV,15min
未击穿,未闪络
22kV,15min,no breakdown,no flashover
30kV,15min
未击穿,未闪络
30kV,15min,no breakdown,no flashover
65kV,15min
未击穿,未闪络
65kV,15min,no breakdown,no flashover
69kV,15min
未击穿,未闪络
69kV,15min,no breakdown,no flashover
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