JDC5-220W1油浸式電壓互感器,JDC5-220GY油浸式電壓互感器

JDC5-220型電壓互感器為全密封串級式油紙絕緣，單相三繞組戶外用電壓互感器．供額定頻率50Hz，220kV中性點有效接地系統中作電壓．電能測量及繼電保護用。
本產品頂部裝有不銹鋼金屬膨脹器，運行可靠，維護方便，產品具有良好的勵磁特性，抗諧振能力強。
JDC5-220 voltage transformer for fully sealed Cascade oil-paper insulation, single-phase three-winding outdoor voltage transformer. For the rated frequency of 50Hz, the voltage for the 220kV neutral point effectively grounded system. Energy measurement and relay protection.
The top of this product is equipped with stainless steel expansion, reliable operation, easy maintenance, the product has a good excitation characteristics, the ability of anti-resonance.
This type of product is suitable for ambient temperature -30 ℃ ~ 40 ℃.