The dynamic characteristics of key parameters were investigated in this study, which
reflected the operational flexibility and efficiency of thermal power units during load …

Many coal-fired power plants (CFPPs) face special challenges such as ageing infrastructure,
neglected equipment maintenance, and reduced funding. To assist with cost-effective …

The operational flexibility of coal-fired power plants has become a priority objective;
however, the lifetime of main devices is reduced due to thermomechanical fatigue during …

This paper proposes a data-driven hierarchical neural network modeling method for a high-
pressure feedwater heater group (HPFHG) in power generation industry. An HPFHG is …

Abstract The two-by-one (2× 1) combined-cycle gas turbine (CCGT) unit with condensation-
extraction-backpressure (CEB) steam turbine has become the major means of peak …

Generally, health level of high pressure heater (HPH) for coal fired unit (CFU) can be
diagnosed with wellness value of terminal temperature difference (TTD, upper end …

The high penetration of renewable energy sources makes the two-by-one combined cycle
gas-turbine (2× 1 CCGT) with high operational flexibility (OPFL) become the mainstream of …

High pressure feed water heat exchangers (HPFWHX) are essential equipments in the
nuclear power plant (NPP) secondary loop. Because of the different requirements for the …

The throttle pressure reducing valve has potential for the high pressure heat exchanger with
the advantage of simple structure, easy operation and maintenance. We investigated the …

In the long-term operation of nuclear power plants, the aging of systems, structures, and
components can lead to maintenance issues that must be dealt with to maintain cost …