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380/220变压器价格多少钱？

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380/220变压器价格多少钱？

浏览：47次 | 提问时间： 07-29 05:33

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3个答案

我们曾在一起 07-29 05:34

变压器是利用电磁感应的原理来改变交流电压的装置，主要构件是初级线圈、次级线圈和铁芯（磁芯）。主要功能有：电压变换、电流变换、阻抗变换、隔离、稳压（磁饱和变压器）等。按用途可以分为：电力变压器和特殊变压器（电炉变、整流变、工频试验变压器、调压器、矿用变、音频变压器、中频变压器、高频变压器、冲击变压器、仪用变压器、*变压器、电抗器、互感器等）。电路符号常用T当作编号的开头.例:T01,T201等。380/220变压器价格现在一个25000元左右。

软肋别放弃 07-29 05:43

380/220变压器价格大概70-200元。变压器一般装设以下保护：1.防御变压器油箱内部故障和油面降低的瓦斯保护。2.防御变压器绕组和引线的多相短路、中性点直接接地电网侧绕组和引线的接地短路以及绕组匝间短路的纵差动保护或电流速断保护。对于主变差动和发电机进行大差。3.防御外部相间短路并作瓦斯保护和纵差动保护或电流速断保护后备的过电流保护。4.防御中性点直接接地电网中外部接地短路的零序电流保护.防御对称过负荷的过负荷保护。

牵手保温 07-29 05:51

380/220变压器价格在300元左右容量：1KVA-3000KVA电压等级：AC1140V及以下输入电压：允许额定电压±10%波动绝缘电阻：DC500V≥100MΩ输出电压：负载范围内额定电压±2-3℅绝缘等级：F级频率：50Hz/60Hz

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