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Importance of busbar protection
Jan 14, 2017

Busbar differential protection is an important system equipment to ensure the safe and stable operation of the power grid. Its safety, reliability, sensitivity and fastness are decisive for ensuring the safety of the entire regional power grid. Therefore, the quality control and technical supervision should be strengthened in all stages of the design, installation, commissioning and operation of the bus differential protection. Whether in the new construction, expansion and technical renovation projects, the bus differential protection must be protected. put into service.

With the popularization of microcomputer protection technology and the continuous improvement of microprocessor-based bus differential protection, the limitation of traditional bus differential protection, which is represented by medium impedance ratio differential protection, is gradually manifested. Especially with the improvement of substation automation, all kinds of equipment information to be uploaded to the monitoring system for remote monitoring, so that the traditional bus differential protection can not meet the needs of modern substation operation and maintenance.

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