Table 8 Optimization scheduling results of scene 3 to 5.

From: Optimal scheduling of integrated energy system with gas–liquid phase change carbon dioxide energy storage considering multi-layer low-carbon benefits

Parameters

Scene 3

Scene 4

Scene 5

The cost of CCPP/(yuan/day)

2081377.80

2115351.07

2130613.31

The cost of natural gas/(yuan/day)

1282344.17

1213852.74

1206693.14

The cost of P2G/(yuan/day)

106129.91

108439.73

118183.90

The cost of carbon sequestration/(yuan/day)

211018.23

225577.68

242879.43

The cost of carbon trading/(yuan/day)

− 504202.01

-867864.24

The penalty cost of abandoning wind power and photovoltaic/(yuan/day)

172902.45

169444.40

166510.36

Total cost/(yuan/day)

3853772.56

3328463.61

2997015.90

Carbon emission/(t/day)

4115.56

3885.49

3641.72

The rate of abandonment of wind power and photovoltaic/%

9.21

9.03

8.98