Gas turbines and energy storage work together to regulate peak

Can interstage improve peak regulation performance of gas turbine combined cycle?

interstage is proposed to improve the peak regulation performance of the Improving the peak regulation performance of the gas turbine combined cycle (GTCC)-based combined heating and power (CHP) system helps to increase the integration of renewable energy.

Does the gas turbine interstage extraction gas method improve the profit?

When the natural gas price rises, the gas turbine interstage extraction gas method improves the profit of the GTCC-based CHP system more significantly than the conventional operation mode. Xinwei Wang: Conceptualization, Investigation, Methodology, Writing – original draft.

How does air mass flow affect the power of a gas turbine?

But as the PR increases, the exit or inlet temperatures to later stages of the compressor, and hence the Cp, increases, whereas the mass-flow rate, m, and specific-heat ratio decrease . As in conventional gas-turbine plants, the generated powers from the PVGT and CAES systems are affected directly by any variation of air-mass flow.

Which gas turbine system is used in GTCC-based CHP system?

The gas turbine system used in the GTCC-based CHP system consists of an air compressor, combustion chamber and 3-stage gas turbine. The air compressor has cooling air extraction ports at the 9th, 13th, 16th and last stages. The HRSG is a horizontal nonsupplementary combustion three pressure reheat HRSG.

Does a low pressure turbine renovation increase load supply range?

Congyu Wang et al. analysed the high back-pressure renovation and the low pressure turbine zero power output renovation, which enlarged the load supply range of one single combined heat and power unit.

How can GTCC-based CHP system improve energy supply capacity?

It can be seen from the energy flow distribution that more energy can enter the bottom cycle of the GTCC-based CHP system by using the GT interstage extraction gas method, and the maximum heating supply capacity of the CHP system can be improved from 217.89 MW to 236.15 MW. The maximum heating capacity is increased by 8.38 %.