The invention relates to a distributed flywheel energy storage array, which comprises a DC bus, a flywheel energy storage module, a power conversion module, a control module and a bus-side current transformation and voltage transformation module, wherein the flywheel energy storage module comprises N flywheel energy storage units; the power conversion module comprises a contactor, a DC filtering circuit and N multi-phase three-level bidirectional current transformer which are connected on the DC bus in series; the control module comprises N module controllers and a centralized control center which is used for carrying out centralized control on the module controllers and controlling power on/off of a coil of the contactor; and the bus-side current transformation and voltage transformation module comprises a DC/AC current transformer and an array transformer which are connected with the DC bus. The energy storage array provided by the invention can increase energy conversion efficiency and reliability, and increase system capacity; and a flywheel energy storage power plant disclosed by the invention is formed by connecting the plurality of flywheel energy storage arrays in parallel through the high-voltage DC bus, and solves the requirements for large-scale, huge energy storage capacity and high-power application of a flywheel energy storage system.