Transformer substation full-stop self-healing method based on main and distribution cooperative recovery strategy
A technology for substation and distribution automation, applied in electrical components, circuit devices, etc., can solve problems such as long-term power outages in distribution networks, and achieve the effect of improving safety
Pending Publication Date: 2022-05-06
WENZHOU ELECTRIC POWER BUREAU
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Problems solved by technology
[0005] The purpose of the present invention is to provide a substation full-stop self-healing method based on the master-distribution coordinated recovery strategy, which can effectively solve the problem of large-scale and long-term power outages in the distribution network caused by the failure of the existing distribution network
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[0020] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0021] refer to figure 1 It is an embodiment of the self-healing method of substation full shutdown based on the coordinated recovery strategy of main distribution in the present invention, and the self-healing method of substation full shutdown based on the coordinated recovery strategy of main distribution includes the following steps:
[0022] Step 1: Automatically sense the 110kV busbar and 10kV busbar voltage and the active power of the substation, and directly collect the data of the substation based on the SCADA system of the main distribution network.
[0023] Step 1.1 is based on the unified platform, model and data service of the main distribution netw...
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The invention discloses a transformer substation full-stop self-healing method based on a main and distribution cooperative recovery strategy. The method comprises the following steps that S1, a power distribution automation system automatically senses the voltage of a 110 kV bus and the voltage of a 10 kV bus; s2, starting a substation full-stop self-healing function of the distribution automation master station system; s3, a full-stop self-healing function automatically generates a load transfer scheme of each line; s4, disconnecting a main transformer low-voltage switch, a low-voltage mother branch switch and a low-voltage line switch; and S5, according to the line transfer plan, acting the respective low-voltage line recovery plan. The transformer substation full-stop self-healing device has the advantages that the transformer substation full-stop self-healing device is used for helping a dispatcher to quickly master the load loss condition of a system so as to effectively carry out recovery treatment after a fault, feeder load transfer power supply is automatically carried out, and the safety, reliability and economical efficiency of power grid dispatching operation are effectively improved.
Description
technical field [0001] The invention belongs to the technical field of power grid distribution automation, and in particular relates to a substation full-stop self-healing method based on a master-distribution coordinated recovery strategy. Background technique [0002] With the expansion of city size, population increase, rapid economic growth and the improvement of industrialization level, the scale of regional power grid continues to expand. With the introduction of UHV power transmission, distributed power and multiple loads, the operating characteristics of the regional power grid have undergone significant changes, and the operating mode has become increasingly complex. The interdependent operating characteristics of the main distribution network have become more prominent. The integration of main distribution coordination and control is urgently needed. Once the entire substation loses power, the rapid transfer of large-area loads in the distribution network needs to ...
Claims
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IPC IPC(8): H02J13/00
CPCH02J13/00001H02J13/00004H02J13/00034
Inventor 施正钗叶鹏飞韩向东郑贤舜刘辉乐林国松林加阳奚洪磊俞凯臧怡宁郑俊翔董志辉孙景钌戚峰蔡畅陈旸刘津元
Owner WENZHOU ELECTRIC POWER BUREAU