gneecore
Brief Introduction
This series of Current Transformers include the products with the type ofLB-150W2,LB-161W2(LB-170W2); LB7-220W2(LB7-252W2),LB7-230W2(LB7-245W2);LBT-220W2(LBT-252W2),LBT-230W2(LBT-245W2) etc. which can be used for the electric current measurement, energy measurement and relay protection in the electric power system with a voltage of 150 ~ 252kV and frequency of 50 ~ 60Hz. The products are in accordance with the requirements of the standard GB20840,1,GB20840,2 'Curent Transformers"& lEC61869-1,1EC61869-2'Current Transfommers"
This series of products are divided into conventional type and cast aluminium type according to the material of oil tank.The customers can choose as their requirement.
Characteristics
1.Be sealed up limitedly, the seal components are not exposed to air, with better sealing pertormance and longer service life.
2.With advanced structure, which has been confirmed and obtained the national patent.
3.Oil tank made by the anti-corrosive aluminium alloy, can eliminate the partial whirlpool heat, and be rustless.
4.Porcelain bushing made by high strength porcelain, and spliced with oil tank in integral, with compact structure beautiful appearance and high mechanical strength.
5.With developed main insulation structure, having better insulation performance and higher reliable technology
6.Oil draining valve has been applied syringe to take oil sample, which can ensure the precision of transformer oil test.
7.With advanced drying technique of profiling heat conduction, medium heat as well as high degree vacuum drying adopted, insulation always stays its original state, all of which enable a more reliable performance of product characterized by its small increment which is below 0.05% and low dielectric loss which is below 0.3%under the applied voltage of 10kV.
8.With progressive oiling technique, heating hermetical oiling technology adopted, partial discharge is slight.
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