The voltage equalizing ring can improve the voltage distribution, and at the same time discharge through the ring to the ground during flashover, which can protect the umbrella cover from being burned by the arc, and relieve the aging of the live end umbrella cover. Generally, products with a voltage level of 66KV and below No pressure equalizing ring is required. 110KV products have a voltage equalizing ring on the high-voltage end, but it is recommended to use a voltage equalizing ring at both ends in a multi-mine area. Products with voltage levels of 220KV and above have a voltage equalizing ring on the high-voltage end and the grounding end. Please refer to the When ordering, specify the matching method of the pressure equalizing ring. 1. Voltage equalizing rings used in high-voltage electrical appliances, high-voltage test equipment, and power systems (high-voltage lines, substations, etc.) are high-voltage electrical accessories and can also be understood as a kind of power fittings According to different uses, the voltage equalizing ring can be divided into arrester voltage equalizing ring, lightning protection voltage equalizing ring, insulator voltage equalizing ring, transformer voltage equalizing ring, high voltage test equipment voltage equalizing ring, power transmission and transformation line voltage equalizing ring, etc. According to different materials, the pressure equalizing ring can be divided into aluminum equalizing ring, stainless steel equalizing ring, iron equalizing ring, etc.! There are two types of shielding rings and shielding rings with similar names to the pressure equalizing ring! The pressure-equalizing rings used in high-voltage electrical appliances and power systems (substations, high-voltage lines, etc.) in China are mainly made of aluminum alloys. Generally, the surface of the pressure-equalizing ring is required to be polished to achieve a smooth surface without burrs! 2. Use equalizing rings in high-rise buildings (to ensure that the potential of each point of the ring beam of the building structure is the same to prevent potential difference.)