Li Jiayu, Wei Le, Fang Fang, et al. TWO-LAYER DISTRIBUTED COOPERATIVE CONTROL OF FLYWHEEL ENERGY STORAGE GROUPS BASED ON CONSENSUS ALGORITHM[J]. 2025, 46(3): 34-42.
Li Jiayu, Wei Le, Fang Fang, et al. TWO-LAYER DISTRIBUTED COOPERATIVE CONTROL OF FLYWHEEL ENERGY STORAGE GROUPS BASED ON CONSENSUS ALGORITHM[J]. 2025, 46(3): 34-42. DOI: 10.19912/j.0254-0096.tynxb.2023-1898.
TWO-LAYER DISTRIBUTED COOPERATIVE CONTROL OF FLYWHEEL ENERGY STORAGE GROUPS BASED ON CONSENSUS ALGORITHM
A two-layer distributed cooperative control strategy
based on the consensus algorithm
is proposed for flywheel energy storage group within DC microgrids. The primary control layer adopts magnet field-oriented control and space vector pulse-width modulation
with reference values provided by voltage-current droop equations. Building upon this foundation of traditional droop control
an additional distributed secondary control layer is introduced. This layer incorporates an average voltage observer and a state equation relying on flywheel energy indicators. It solely utilizes communication between adjacent energy storage units to modify the droop control via the consensus algorithm. This approach effectively rectifies voltage deviations caused by droop control while overcoming issues associated with traditional centralized control
such as single-point failures and limited scalability. Simulation results affirm the effectiveness of the proposed strategy
demonstrating the restoration of average bus voltage to its rated level
the allocation of power to individual flywheel energy storage units according to their energy states
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