Emergency power control method and system of offshore wind power flexile and direct access system
An offshore wind power and power control technology, which is applied in wind power generation, electrical components, circuit devices, etc., can solve the problem of inability to accurately, quickly and effectively control the power injected into the main network, and achieve reliable removal, avoid excessive lift, Provides the effect of power support
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Embodiment 1
[0062] The schematic flow chart of an emergency power control method for an offshore wind power directly fed into the system through a flexible system provided by the present invention is as follows figure 1 shown, including:
[0063] Step 1: Based on the pre-established communication system, receive the control signal sent by the system dispatching center;
[0064] Step 2: According to the type of the control signal, start the corresponding emergency power control method;
[0065] Among them, the emergency power control method can be applied to the land brake resistor and / or the AC system of the offshore wind farm; the land brake resistor is set at the DC outlet of the land converter station.
[0066] Specifically, the present invention provides an emergency power control method for offshore wind power directly connected to the system. According to the actual system control requirements, three emergency power control functions and their implementation methods are designed, a...
Embodiment 2
[0083] Based on the same inventive concept, the present invention also provides an emergency power control system for the offshore wind power direct access system. Since the principle of these devices to solve technical problems is similar to the emergency power control method for the offshore wind power direct access system, the overlap No longer.
[0084] The basic structure of the system is as Figure 9 As shown, including: signal module and control module;
[0085] Among them, the signal module is used to receive the control signal sent by the system dispatching center based on the pre-established communication system;
[0086]A control module, configured to start a corresponding emergency power control method according to the type of the control signal;
[0087] Among them, the emergency power control method can be applied to the land brake resistor and / or the AC system of the offshore wind farm; the land brake resistor is set at the DC outlet of the land converter stat...
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