Source: Huayin Micro Classroom
Electrical equipment works on a regular basis
Because the equipment is affected by natural factors and human factors in a long-term working state, it will shorten the service life and affect the quality and efficiency of work, so it is necessary to do regular and irregular scientific maintenance of electrical equipment.
The relay protection pressure plate is returned and checked
Check frequency: once a month
Comprehensively check whether the return of each pressure plate meets the actual requirements.
Diesel generator start-stop test
Frequency: Once a week
There is no abnormality in the diesel generator set on site. Contact the monitor to start the DCS remotely, record the voltage and current, and stop after five minutes of operation. Increase the number of starts in winter when temperatures are low.
Regular inspections of mezzanine and tunnels
Frequency: Once a week
Check for abnormalities such as broken cables.
Transcribe the number of outdoor arrester actions
Frequency: twice a month and after a thunderstorm
Accurately record the number of movements.
The booster station is regularly checked with lights out
Frequency: Once a week
Check for discharge, arcing and redness.
Outdoor terminal box and switch cabinet door inspection
Frequency: once a day and before strong winds and rains
Check that the cabinet door is tightly closed.
Generator sealing mother micro positive pressure device gas tank drainage
Frequency: Once a week
Open the bottom drain door and close it after draining.
Standby motor telemetry insulation resistance
Inspection frequency: once a week, in batches
The insulation absorption ratio R60:R15 is not less than 1.3 measured by a megohmmeter.