Multiobjective Optimized Dispatching for Integrated Energy System Based on Hierarchical Progressive Parallel NSGA-II Algorithm

Table 4

The parameters of energy storage equipment.

Parameters	Storage
	Lead-acid batteries	Heat storage tank	Cold water storage tank
Charging/(heat, cold) efficiency	0.97	0.95	0.95
Discharge/(heat, cold) efficiency	0.97	0.95	0.95
Maximum charge/(heat, cold) rate	0.2	0.2	0.2
Maximum discharge/(heat, cold) rate	0.3	0.2	0.2
Self-discharge/(heat, cold) rate	0.02	0.03	0.03
Maximum state of charge/energy	0.9	0.9	0.9
Minimum state of charge/energy	0.2	0.1	0.1
Capacity	200 kW·h	1000 kW·h	500 kW·h

The calculation results of the case are analyzed from three aspects.