Self-adaptive inertia virtual synchronous generator control method and device
A technology of generator control and virtual synchronization, which is applied in the direction of circuit devices, electrical components, AC network circuits, etc., can solve the problems of sudden high-power disturbances, the inability to accurately distinguish high-power disturbances, ensure system frequency stability, etc., and avoid frequent adjustments , Avoid the effect of system frequency instability
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no. 1 example
[0062] Such as figure 1 - Figure 10 As shown, an improved adaptive inertia virtual synchronous generator control method in the embodiment of the present invention at least includes the following steps:
[0063] S101, establishing an adaptive inertia virtual synchronous generator control model, wherein the model includes: a power frequency controller, an excitation controller, a moment of inertia controller and a bottom controller;
[0064] Specifically, the adaptive inertia virtual synchronous generator control model structure is established as follows: figure 2 As shown, it mainly includes four parts: power frequency controller, excitation controller, moment of inertia controller and bottom controller. According to the moment of inertia control law of the moment of inertia controller, the real-time calculated value of the moment of inertia is obtained, and the real-time calculated value of the moment of inertia is input to the power frequency controller as a moment of ine...
no. 2 example
[0145] Such as Figure 11 As shown, an adaptive inertia virtual synchronous generator control device 200 provided by an embodiment of the present invention includes: a construction module 201, a control condition module 202 and an acquisition module 203, wherein,
[0146] The building block 201 is used to establish an adaptive inertia virtual synchronous generator control model, wherein the model includes: a power frequency controller, an excitation controller, a moment of inertia controller and a bottom controller;
[0147] The control condition module 202 is used to calculate and obtain the rotational speed deviation input quantity and the rotational speed change rate input quantity of the rotational inertia controller by using a low-pass filtering method, and obtain the rotational inertia control input quantity according to the rotational speed change rate input quantity. The operating conditions of the device;
[0148] The acquiring module 203 is configured to obtain the ...
no. 3 example
[0154] An embodiment of the present invention also provides a computer terminal device, including: one or more processors; a memory, coupled to the processor, for storing one or more programs; when the one or more programs are executed The one or more processors are executed, so that the one or more processors implement the adaptive inertia virtual synchronous generator control method as described in any one of the above.
[0155] It should be noted that the processor can be a central processing unit (Central Processing Unit, CPU), and can also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable Gate array (Field-Programmable GateArray, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc., the general-purpose processor can be a microprocessor, or the pr...
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