Mitigating Unit Trips: A Case Study of Condensation Management in Vacuum Transmitter Readings at Kriel Power Station

Condensate accumulation within a turbine condenser vacuum transmitter impulse line poses a critical challenge, often resulting in disruptive unit trips for power plant operations. This paper offers a case study from Kriel Power Station in South Africa, highlighting a persistent problem of condensate build-up in transmitter impulse lines, leading to erroneous vacuum measurements and subsequent unit trips. Through meticulous investigation, the paper outlines the root cause analysis and details the solution implementation process, resolving the condensation issue and averting future unit disruptions.