Analysis is conducted on a protection trip event caused by a short-circuit fault of a 500 kV substation transformer.Starting from the analysis of fault waveform and short-circuit current calculation,combined with the fault status of equipment on a site,the fault causes are analyzed and verified,and specific prevention countermeasures and suggestions are put forward.
关键词
站用变/保护跳闸/故障录波/短路电流
Key words
substation transformer/protection trip/fault recording/short-circuit current