Asme Ptc 192 -
The accuracy of a pressure reading is heavily dependent on the installation. PTC 19.2 specifies strict requirements for:
ASME PTC 19.2 dedicates significant attention to installation effects that can dominate uncertainty if ignored. asme ptc 192
A 200 MW simple-cycle peaker tracked its corrected heat rate using PTC 192. Over 500 operating hours, the heat rate increased by 2.5%. The standard’s degradation separation logic attributed 2.0% to compressor fouling and 0.5% to instrument drift. The plant performed an online water wash, recovering 1.8% of the heat rate—a savings of $45,000 in fuel over the next month. The accuracy of a pressure reading is heavily
When a turbine manufacturer guarantees a heat rate (efficiency), that guarantee is calculated based on pressure measurements. If your pressure measurement is off by 2%, your calculated efficiency could be significantly skewed. Adhering to PTC 19.2 methodologies ensures that you have legal and technical standing during acceptance tests. Over 500 operating hours, the heat rate increased by 2
For each data point (megawatts, heat rate, exhaust temperature), apply the correction curves for ambient conditions and inlet/exhaust losses. The output is Corrected Power and Corrected Heat Rate.