Under the "dual carbon" goal, all industries are facing the dual pressure of energy demand and low-carbon development, and the microgrid system based on distributed renewable energy generation has attracted much attention. Enterprises use it to carry out low-carbon energy transformation, reduce energy costs, and improve the stability of new power systems, which has become a continuous driving force for laying microgrids.
Eaton's xStorageTM Container Microgrid Energy Storage System M100, a 10-foot prefabricated system with a rated power of 100kW and a rated capacity of 138kWh-384kWh, is an intelligent one-stop energy storage system designed for microgrid applications, which is prefabricated in the factory for the integration of lithium-ion battery clusters, battery management system (BMS), energy management system (EMS), energy storage converter (PCS), transformer, fire protection system and HVAC unit. Enabling commercial and industrial enterprises and renewable energy systems such as microgrids to store and optimize control of energy.
Microgrid energy storage systems add new power to distributed energy resources
As a new grid-based power system, the microgrid connects production and consumption. Compared with the traditional power operation mode of "source with load", microgrid will face the problem of increasing volatility on both sides of supply and demand and imbalance between supply and demand. The addition of Eaton's xStorageTM container microgrid energy storage system will enable the microgrid to seamlessly switch between on-grid and off-grid (island mode), and effectively improve grid flexibility and power supply continuity in a "source-grid-load-storage" synergistic operation mode.
Assist the integration of microgrid production and consumption
Coordinated grid-connected operation to strengthen green power consumption
· Seamless mode switching to protect critical loads
· Energy storage control system, balanced energy dispatch
· Power system peak regulation to improve the reliability of power supply
01 Coordinated grid-connected operation to strengthen green power consumption
In the grid-connected operation of the microgrid, due to the instability of new energy power generation, it is impossible to fully follow the grid dispatching instructions. Eaton's xStorageTM container microgrid energy storage system incorporates photovoltaic equipment to increase solar self-energy consumption. At the same time, Eaton's energy management system (EMS) can synergize the control of microgrids, energy storage systems, and the main power grid to stabilize the fluctuation and smooth output of renewable energy, assist in the consumption of new energy, and obtain more revenue through the curtailment of solar power, further reducing energy costs.
02 Seamless mode switching to protect critical loads
When the grid fails or is planned to require, the microgrid will be disconnected from the main grid distribution system and operated off-grid in coordination with the energy storage system and loads to protect critical loads. The off-grid application function of the xStorageTM container microgrid energy storage system can quickly switch between on-grid and off-grid when the main power grid loses voltage, protect the normal and continuous use of key loads, save more power costs on the basis of ensuring the safety and reliability of the system, and is also a very economical power supply option in remote areas.
03 Energy storage control system balances energy dispatching
For the entire microgrid energy storage system, the essence of energy storage lies in "regulation", and its core is the control system, which must rely on it to form a dispatchable, controllable and balanced operation mode. Eaton's container microgrid energy storage system deploys an energy storage controller (BESS) in the cloud, which can realize direct supply of solar photovoltaic during the day and local energy storage through the integrated scheduling of energy storage charging and discharging. Power is supplied to the load at night by an energy storage lithium battery system. Under the scheduling of the energy storage controller, the charging and discharging state of the energy storage lithium battery system and the photovoltaic output are coordinated and optimized, so as to achieve the purpose of fully absorbing photovoltaic energy.
04 Power system peak shaving to improve the reliability of power supply
As an energy buffer link in the microgrid, the energy storage system is indispensable in the microgrid system. The xStorageTM container microgrid energy storage system can store more renewable energy generation and low-cost electricity during off-peak hours, and release the power during peak load consumption to adjust load demand. The energy storage system can also reduce the maximum capacity required by the generator set or transformer to achieve peak resistance and capacity increase, thereby reducing the maximum demand electricity bill, expanding the load capacity, and delaying infrastructure investment.
Four core advantages to help industry and commerce unlock the new energy track
The energy storage system is a high-quality flexible energy source with flexible adjustment and fast response speed, and is actively participating in the power service market of various industries. Eaton's xStorageTM container microgrid energy storage system products help C&I and renewable energy systems unleash the potential of energy conservation and emission reduction with four core advantages: higher safety, higher durability, higher intelligence, and more efficient service.
Four core advantages to create professional energy storage
Higher safety, authoritative certification of lithium battery
Longer cycle life and lower operating costs
More intelligent to build a flexible distribution network
· more professional and efficient, full life cycle service
01 Greater security
The lithium battery used has passed UL1973, UL9540A, UN38.3 and other authoritative tests and certifications at the same time to ensure system safety. Container solutions meet NFPA855 high fire protection standards for faster fire response.
02 Longer cycle life
With a 6,000-cycle cycle life of the lithium battery pack, the BMS battery management system helps reduce operating costs by monitoring key parameters for accurate lifetime analysis and predictive maintenance management.
03 More intelligent
Eaton's energy management system (EMS) collects and monitors the status information of each energy storage system in real time, carries out multi-strategy precise regulation and control of microgrids, energy storage batteries, power grids and other energy sources, supports the collaborative operation of "source-load interaction", and builds a flexible distribution network for users.
04 More professional and efficient
Implement fast-responding, one-stop turnkey professional services. From design consultation, factory acceptance, on-site delivery, to operation and maintenance and after-sales, we create a full life cycle service system. The plug-and-play modular design, the overall prefabricated production of the factory, and the on-site hoisting and expansion can greatly shorten the on-site construction time.
Eaton actively improves energy management, provides end-to-end energy storage solutions for industrial, commercial and renewable energy systems, devotes itself to the exploration and practice of energy transition, promotes the transformation of power construction in various industries, and supports distributed energy resources to effectively integrate into the grid and consume locally through smart energy management, opening up an effective path to the goal of carbon neutrality.
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