High-capacity optical storage all-in-one machine and control method thereof
An all-in-one, large-capacity technology that is used in photovoltaic power generation, AC network circuits, climate change adaptation, etc., and can solve problems such as unstable operation of photovoltaic power generation power systems.
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[0145] Applying a large-capacity optical-storage integrated machine and its control method of the present invention for actual control, the results are as follows Figure 3-5 as shown, image 3 It is the test result of constant power discharge + frequency differential control + frequency deviation control on the side of the three-level DC / DC converter of the optical storage integrated machine. The constant power discharge power is 32kW. Under the action of DC / DC side frequency differential control and frequency deviation control, the output power of the system is increased to 50kW;
[0146] Figure 4 It is the test result of constant power discharge + frequency differential control on the side of the three-level DC / DC converter of the optical storage integrated machine. The constant power discharge power is 32kW. When the grid frequency is reduced from 51Hz to 49Hz, the output of the energy storage system is proportional to Frequency differential power, steady state power is...
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