YB-12/0.4 combined substation (American substation) is a home-made American box type substation. As an important power supply unit in the cabled distribution network, this product is a complete set of pre assembled products integrating high-voltage control, protection, power transformation and power distribution equipment, and is widely used in urban and rural distribution networks.
The product places high-voltage load switch and high-voltage fuse in transformer oil, and has two structural forms, namely, sharing box with transformer body or dividing box. The oil tank adopts a fully sealed structure and is equipped with oil temperature gauge, oil level gauge, pressure gauge, pressure relief valve, oil drain valve and other components to monitor the operation of the transformer. The product is divided into ring network type, terminal type and power supply type. In order to make this product more suitable for the actual requirements of China's power grid, the company has also introduced plug-in dry type fuses. The fuse fusing does not affect the performance of transformer oil. According to the complexity of low-voltage feed out requirements, YB-12/0.4 products are divided into three types of enclosures: standard, enhanced and integrated, which enable users and design units to be more flexible and economical when selecting models.
