[Emergency Plan | Emergency Guide for Sudden Failure of Diesel Generator Sets]

[Emergency Plan | Emergency Guide for Sudden Failure of Diesel Generator Sets]
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Sudden failure of diesel generator sets may cause significant losses. Based on real rescue cases, key emergency processes and handling principles are summarized:
🚨 Four emergency scenario handling
1️⃣ Black smoke shutdown during operation
▫️ Immediate steps:
Turn off the output circuit breaker and cut off the load
Manually close the fuel valve (to prevent continuous diesel leakage)
▫️ Priority inspection: Injector nozzle blockage/air filter serious dirty blockage (accounting for 80% of this type of failure)
2️⃣ The control screen displays “overspeed alarm”
▫️ Required actions:
Press and hold the emergency stop button (mechanical forced oil cut-off)
Check whether the governor lever is stuck (grease drying is the main reason)
▫️ Taboo: Repeated attempts to restart! May cause a runaway accident
3️⃣ Oil pressure drops to 0
▫️ Standard response:
Shut down within 30 seconds (cylinder may be pulled if exceeded)
Check whether the oil filter seal is squeezed out (caused by insufficient installation torque)
▫️ Backup plan: Temporary external manual pressure gauge re-test (eliminate sensor false alarm)
4️⃣ Reverse power occurs during parallel operation
▫️ Emergency measures:
Disconnect the unit and de-energize
Check the power distributor PID parameters (usually need to be adjusted from 80% to 60%)
▫️ Danger point: Continuous reverse power for more than 5 minutes will burn the winding