How to set the current of arc protection?
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Author:hkwa49fa3
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Published time: 2019-07-01
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According to the power industry standard DL/T 587-2007 "Microcomputer Relay Protection Device Operation Management Regulations" Article 4.2.1: "Power supply enterprises, transmission enterprises and power generation enterprises ,relay protection department is responsible for the daily maintenance of the microcomputer relay protection device, regular inspection, input of fixed values and new equipment commissioning and acceptance work, so we do not provide setting calculation services, but can provide current setting principles for reference, as follows:
Generally, the thermal power plant is recommended to be set to: 2-3 times the rated current; the substation recommended to be set to: 1.15 - 1.35 times the rated current.
