Battery energy storage systems (BESS) provide a steady supply of low-cost electricity, reducing our collective dependence on fossil fuels and cutting carbon emissions for a cleaner environment. That’s why BESS containers are increasingly for storing renewable energy generated from wind and solar power.
However, managing the heat generated by the batteries during the charging and discharging process is one of the main challenges with BESS containers. This can lead to reduced battery life and even a risk of fire if the temperature of the batteries exceeds a certain limit.
This is where liquid cooling technology comes into play. By using a liquid cooling system to manage the heat generated by the batteries, BESS containers can operate more efficiently and safely.
(ZTT New Energy Liquid Cooling BESS)
Liquid Cooling – Unlocking the Potential of BESS Containers
- Enhanced battery life
- Liquid cooling provides a more stable and cooler environment for the battery, prolonging its life and reducing the risk of breakdown.
- Increased efficiency
- Keeping batteries at a cooler temperature allows them to operate more efficiently, increasing energy output and reducing costs.
- Improved safety and security
- BESS containers are safer for people and property because the liquid cooling system can help prevent thermal runaways and reduce the risk of fire.
- Flexibility enhancements
- Liquid cooling systems offer greater flexibility and customization, as they can meet the specific needs of a particular application.
ZTT BESS – Liquid Cooling Battery Container
The whole frame is made of a 5 mm thick corrugated steel sheet that is flat-welded to meet battery rack strength and flatness requirements. The inside walls are made of zinc-coated steel sheets of a minimum effective thickness of 0.8 mm. Sufficient mechanical strength and stiffness to resist deformation during lifting, transportation, and installation.
（ZTT BESS 3.44MWh Liquid Cooling – Non-walk-in Type)
The Battery Management System (BMS) consists of three layers, the BMU, BCU, and BAU. The BMU is to collect voltage and temperature data from the Battery Unit Box. The BCU is responsible for collecting the voltage and current data of the battery cluster. It also controls the relays of each circuit. At the same time, it receives the data collected by the BMU and uploads the information to the BAU. The BCU monitors the battery, estimates the battery status, and at the same time communicates with the PCS, the EMS, or the station monitoring system.
ZTT BESS Liquid Cooling Application
ZTT BESS liquid cooling battery cabinet (20HC) has a maximum capacity of 3.44MWh. Which contains a liquid cooling unit, and 10 battery clusters (8 battery modules in series), with additional firefighting capability.
(ZTT BESS Liquid Cooling – Site Layout Plan)
- Subsystems arranged back-to-back
- With 2 20HC battery containers + 1 20HC PCS
- Subsystem capacity: 3.44MW/6.88MWh
- The single subsystem covers an area of approx. 65 square meters
Availability in Operation
The Houqiao 330 Substation Grid-side Shared Energy Storage Demonstration Project is located in the west of Biandangou City. It is proposed to build a new energy storage power station to connect to the grid to provide ancillary services for peak shaving and frequency modulation. The energy storage system is using ZTT BESS Liquid Cooling technology.
(Typical Projects using ZTT BESS Liquid Cooling Technology)
About ZTT New Energy
ZTT started on Optical Fiber Communications in 1992, accessed Smart Grid in 2002, and commenced work on the Renewable Energy field in 2012. With over 30 years of sustainable innovation, ZTT helps make a wide variety of products across industries. Ever since it first started developing the Lithium-ion battery and BESS, ZTT has expanded a new era of focusing on power delivery and energy storage optimization.
Insist on technological innovation and respond to green double carbon. ZTT New Energy will continue to move forward with the industry and witness the development and future of energy storage.
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