How to diagnose duct burner ignition failure on a Vogt Power Vogt-Nemag HRSG
Duct burner ignition failure is usually a BMS permissive not met, a failed igniter, or low fuel gas pressure. Check the BMS permissive list first before touching the burner hardware.
~60 min7 steps
How to stabilize HP drum level control on a Vogt Power Vogt-Nemag HRSG
Drum level hunting is nearly always a control loop tuning issue or a faulty drum-level transmitter. Check shrink/swell behavior during load changes and re-tune the three-element control loop.
~60 min6 steps
How to detect and respond to an HRSG tube leak on a Vogt Power Vogt-Nemag
Increasing feedwater makeup is the earliest indicator of an HRSG tube leak. Confirm with an acoustic survey or infrared thermography from outside the casing. The unit must be shut down for any tube repair.
~120 min6 steps