Primary Frequency Regulation Technology of Power Grid and Frequency Regulation Potential Analysis of Hydrogen Fuel Cell

摘要

Frequency stability is an important guarantee to maintain the safe operation of power system, and the high proportion of new energy integration puts forward higher requirements for the frequency regulation(FR) of power grid. In this paper, based on the technical requirements and conventional methods of primary frequency regulation(PFR), the dynamic response characteristics of hydrogen fuel cell stack and power generation system considering the delay process of regulating valve are studied, and the frequency response characteristics of fuel cell power generation system are further simulated and analyzed. The results show that the fuel cell power generation system with seconds response delay can meet the demand of PFR and has the ability to participate in FR. The large capacity fuel cell power generation system, which is composed of battery group technology, has an important application prospect in the green and flexible FR of power grid by cooperating with the electrolytic hydrogen production system.