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Lithium iron phosphate battery energy storage systems can improve the power efficiency of microgrid. The microgrid is the main application field of energy storage. As an essential part of microgrid, lithium iron phosphate battery energy storage plays a crucial role. Power grid energy storage is driving the demand for lithium-iron-phosphate-batteries. It is foreseeable that power grid energy storage will usher in a new market breakthrough for lithium iron phosphate batteries.
1. Advantages of lithium-iron-phosphate-battery energy storage system applied in microgrid power

No matter what kind of new energy, the absolute stability of power supply of microgrid cannot be guaranteed completely. In addition, in the case of power supply accidents or power grid failures, the energy storage system of the microgrid is essential. The energy storage system is an important backup. In this way, the safety of the power load within the power supply range of the micro grid can be ensured.

The battery energy storage system in the microgrid can maintain the power balance. ’Moreover, it can also control the harmonic current injected by the nonlinear load and the harmonic voltage permeated by the distribution network side.

The reliable and safe solution of energy storage lithium iron phosphate battery system is introduced. The lithium iron phosphate battery system adopts modular series and parallel design. The system has the advantages of flexible configuration, high reliability, long cycle life, high rate charging and discharging support, and high working efficiency through the reliable BMS architecture system and safety protection system.

2. Application characteristics of microgrid lithium battery energy storage technology
(1) Micro
In the process of microgrid application, the voltage is generally controlled below 10kV. It is lower than the standard operating voltage of the power grid. And the overall power capacity of the system is generally under megawatts. Therefore, in the process of application, it is mainly directly connected with the user's power system. In this way, it can realize the quick use of power.

(2) Cleanliness
In the application process of lithium battery energy storage in microgrid, distributed clean energy is mainly used as the power source.The microgrid’s power is from clean energy, which can effectively improve the recycling of power resources.
(3) Autonomy
There is no need for human control in the application process of microgrid technology. That is because the microgrid battery has a excellent automatic balance function in the process of operation. This way, the balance and stability of lithium battery power resources can be ensured.
(4) Friendliness
The power grid has a stable and safe distribution system, distributed power system and access power system. When large-scale distributed power resources are connected to the power grid, it will cause fluctuations in power resources. However, the situation can be avoided in the application process of microgrid. Real-time energy exchange can be carried out between microgrid and distribution network. Consequently,better reliability and interactive utilization of diversified energy resources can be ensured in the operation process of microgrid.