一、概 述:
本型電流互感器為環(huán)氧樹脂澆注全封閉支柱式結(jié)構(gòu),適用于戶內(nèi) 50Hz,額定電壓 10kV 及以 下的電力系統(tǒng)中作電流、電能測量和繼電保護(hù)用。
LZZBJ9-10 替代型號 LZZBJ9-10Q。
二、使用條件:
環(huán)境溫度 -5℃ ~ 40℃,海拔不超過 1000 米,可用于Ⅱ級污穢地區(qū)。
三、技術(shù)參數(shù):
1. 負(fù)荷的功率因數(shù) COSφ=0.8(滯后)
2. 額定絕緣水平:12/42/75kV
3. 額定二次電流:5A 或 1A
| 額定電流比 | 級次組合 | 準(zhǔn)確級次及額定輸出(VA) | 準(zhǔn)確限 | 額定短時 | 額定動穩(wěn) | 總重 | ||||
產(chǎn)品型號 | (A) | Accuracy class and rated output | 值系數(shù) | 熱電流 | 定電流 | (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、安裝尺寸:
五、訂貨須知:
訂貨時應(yīng)提供產(chǎn)品型號,額定電流比,準(zhǔn)確級組合及相應(yīng)的額定輸出、額定短時電流等。如需特殊定貨可與廠方協(xié)商解決。