一、概 述:
本型电流互感器为环氧树脂浇注全封闭支柱式结构,适用于户内 50Hz,额定电压 10kV 及以 下的电力系统中作电流、电能测量和继电保护用。
LZZBJ9-10 替代型号 LZZBJ9-10Q。
二、使用条件:
环境温度 -5℃ ~ 40℃,海拔不超过 1000 米,可用于Ⅱ级污秽地区。
三、技术参数:
1. 负荷的功率因数 COSφ=0.8(滞后)
2. 额定绝缘水平:12/42/75kV
3. 额定二次电流:5A 或 1A
| 额定电流比 | 级次组合 | 准确级次及额定输出(VA) | 准确限 | 额定短时 | 额定动稳 | 总重 | ||||
产品型号 | (A) | Accuracy class and rated output | 值系数 | 热电流 | 定电流 | (kg) | |||||
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Type | Rated Current |
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| Accurucy | (kA) | (kA) | Total | |
combination | 0.2S | 0.5S | 0.2 | 0.5 | 10P | ||||||
| ratio | limitfactor | Ith | Idyn | weight | ||||||
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| 5/5 |
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| 0.5 | 1.25 |
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| 10/5 |
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| 1 | 2.5 |
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| 15/5 |
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| 2 | 5 |
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| 0.2S/0.5 |
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| 20/5 |
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| 2 | 5 |
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| 0.2S/10P15 |
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| 30/5 |
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| 3 | 7.5 |
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| 0.2/0.5 |
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| 10 |
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LZZBJ9-10 | 40/5 | 10 | 10 | 10 | 10 | 15 | 4 | 10 |
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| 50/5 | 0.2/10P15 | 15 | 5 | 12.5 | ||||||
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| 75/5 | 0.5/10P15 |
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| 7.5 | 18 |
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| 100~200/5 |
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| 10-20 | 25-50 |
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| 300~600/5 |
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| 30-50 | 75-150 |
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| 800~1250/5 |
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| 80 | 110 |
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| 1500~3150/5 |
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| 100 | 130 |
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四、安装尺寸:
五、订货须知:
订货时应提供产品型号,额定电流比,准确级组合及相应的额定输出、额定短时电流等。如需特殊定货可与厂方协商解决。