FSSS (Furnace Safeguard Supervisory System)
FSSS LOGIC SYSTEM BOILER START- UP SEQUENCE The boiler can be placed in service, initially or after a “Master Fuel Trip,” in the following sequence through FSSS. Furnace Purge:- BeforeRead More
Electrical Protection
MOTOR PROTECTION:- various motor protection of squirrel cage induction motors, which are common in industrial applications. Key Points Summarized: 1. Overload Protection • Motors may overload due to excessive currentRead More
Explain the other types of tube failure that may occur during long term operation of the boilers.
During long-term operation of boilers, tube failures become more complex and can arise from prolonged exposure to thermal, mechanical, and chemical stresses. These failures often develop gradually and can beRead More
Explain the types of tube failure that may occur innthe initial stage of boiler operation till stabilization?
During the initial stage of boiler operation, until the system reaches a stable operational phase, several types of tube failures can occur. These failures are often related to start-up conditions,Read More
BOE NUMERICAL QUESTIONS
QUESTION:- In an APH, Gas inlet flow is 31kg/s with 3.5% oxygen in the outlet the oxygen content increases to 4.2% . Find the leakage quantity of air and alsoRead More
High Pressure Bypass Fast open Condition
Turbine trip GCB open LSR operated Emergency fast open push button pressed Pressure deviation high ( actual pressure- HPBP pressure setpoint => 8ksc)