The requirements of energy storage power station determine what kind of lithium battery is the most suitable energy storage battery.
Generally speaking, the application purpose of energy storage power station in power grid mainly considers load regulation, new energy access, line loss compensation, power compensation, improving power quality, isolated network operation, peak load cutting and valley filling, etc.
For example, peak cutting and valley filling can improve the operation curve of the power grid. In a simple way, the energy storage station is like a reservoir, which can store the surplus water in the off-peak period of power consumption and use it again in the peak period of power consumption, thus reducing the waste of electric energy. In addition, the energy storage power station can reduce line loss and increase the service life of lines and equipment.
What are the requirements for lithium ion battery selection?
As an energy storage power station with photovoltaic power generation access to achieve peak load filling, load compensation and improve power quality, energy storage lithium is a very important component, which must meet the following requirements:
1, easy to realize the combination of multiple ways, to meet the higher working voltage and large working current;
2. The capacity and performance of lithium iron phosphate battery can be detected and diagnosed, so that the control system can realize the dispatching control of power station load in the case of the battery capacity and performance can be predicted;
3, high safety, reliability: under normal use, the normal service life of the battery is not less than 15 years; In the extreme case, even if the fault occurs, it is in the controlled scope, and there should be no explosion, combustion and other faults that threaten the safe operation of the power station.
4, with good quick response and large rate of charge and discharge capacity, generally requires 5-10 times of charge and discharge capacity;
5, high charge-discharge conversion efficiency, easy to install and maintain, with better environmental adaptability, a wide range of operating temperature.
Lithium iron phosphate battery has a good effect on energy storage in power generation system. As the technology of large capacity battery energy storage system, lithium iron phosphate battery is the first choice.
