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When thermal power units employ amine-based carbon capture, electro-carbon coupling exists. To enhance the load flexibility tracking performance of decarbonized units, a variable-load control strategy based on electric-carbon coordination is proposed. Using existing data, an electric-carbon coordinated control system model for drum boiler thermal power units was established through system identification. The response time scales of reboiler load to power generation load and carbon capture rate were analyzed. Based on this, a dual-control loop for power generation load was designed, incorporating both decarbonization steam extraction and fuel quantity regulation. Furthermore, to address the effect of long time scales on carbon capture rate, the transient quantities of reboiler load variation throughout the process were reconstructed, and a flexible power generation load control method based on electric-carbon synergy was proposed. Simulation tests on a 300 MW unit demonstrated that, compared with the conventional coordinated control strategies, the proposed strategy ensures performance metrics for thermal load and carbon capture rate while improving both the load variation control rate and AGC performance metrics by an average of 100% or more.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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