户外60KV隔离开关GW4-66-72.5/1600户外60KV隔离开关GW4-66-72.5/1600户外60KV隔离开关GW4-66-72.5/1600户外60KV隔离开关GW4-66-72.5/1600户外60KV隔离开关GW4-66-72.5/1600户外60KV隔离开关GW4-66-72.5/1600户外60KV隔离开关GW4-66-72.5/1600户外60KV隔离开关GW4-66-72.5/1600
二次绕组之间及剩余电压绕组对地工频耐压一分钟通过3 KV(r.m.s), 通过。 Secondary winding and residual voltage winding to ground frequency withstand voltage one minute through 3kv (r.m.s) , Pass. |
补偿电抗器绕组末端对地工频耐压试验一分钟通过10KV(r.m.s), 通过。 Compensation Reactor winding end to ground frequency withstand voltage test one minute through 10 KV (r.m.s) , Pass. |
阻尼回路直流电阻测量: 5.0 Ω DC resistance measurement of damping loop: 5.0 |
载波耦合装置保护间隙的工频放电电压不大于2KV(r.m.s),(间隙0.5mm左右) The power frequency discharge voltage of the carrier coupling device protection gap is not more than 2 kv (r.m.s) , (gap is about 0.5 mm) |
变压器油:油号DB-45平均击穿电压 > 40KV , 通过。 Transformer oil: No. DB-45 average breakdown Voltage > 40KV, Pass. |
4、 误差试验Error Test
天气:晴Weather: Sunny |
室温: 22 ℃ Room temperature: 22 °C |
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调节绕组联接方式 Regulating winding connection |
X0——X13X11——X22X23——L23L22——L12L13——L0 |
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输 出 端子Output Terminal |
负 荷 方 式 VA cosΦ=0.8 (滞后) |
80℅ Un |
100℅ Un |
120℅ Un |
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比值差 |
相角差 |
比值差 |
相角差 |
比值差 |
相角差 |
|||
a n |
da dn |
f(℅) |
δ(’) |
f(℅) |
δ(’) |
f(℅) |
δ(’) |
|
a n |
140 |
━━ |
-0.26 |
+14 |
-0.26 |
+10 |
-0.27 |
+12 |
35 |
━━ |
+0.32 |
+3 |
+0.33 |
+4 |
+0.33 |
+5 |
|
5℅ Un |
100℅ Un |
190℅ Un |
||||||
f(℅) |
δ(’) |
f(℅) |
δ(’) |
f(℅) |
δ(’) |
|||
da dn |
━━ |
140 |
+0.40 |
+32 |
-0.20 |
+14 |
-0.82 |
+12 |
━━ |
35 |
+0.30 |
+22 |
+0.55 |
+8 |
+0.78 |
+42 |