Lightning protection system and method for outdoor power distribution station
A technology of lightning protection system and distribution station, which is applied in the field of lightning protection system of outdoor distribution station, which can solve problems such as hidden dangers of regional power supply, damage to electrical equipment in substations, economic losses, etc., so as to improve lightning protection performance and realize stable transmission , Improve the effect of strong current impact ability
Inactive Publication Date: 2019-09-17
JIANGSU MARITIME INST
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[0006] my country has a vast territory, and lightning occurs frequently in some areas, which has become an important safety hazard for substations. Once lightning intrusion occurs in substations, it will not only cause damage to electrical equipment in substations, but may also bring hidden dangers to regional power supply and cause large economic losses. Defects
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0031] see Figure 1-2 As shown, this embodiment is a lightning protection system for outdoor distribution stations, including a discharge electronic system 1 and a physical lightning protection subsystem 2 connected to the discharge electronic system 1, a surge suppression subsystem 3, and an electromagnetic shielding Subsystem 4, the physical lightning protection subsystem 2 is used to divert the current generated during the lightning process to the ground, the p...
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The invention discloses a lightning protection system for an outdoor power distribution station. The system comprises an electron discharge subsystem, and a physical lightning protection subsystem, a surge suppression subsystem and an electromagnetic shielding subsystem which are connected with the electron discharge subsystem. The physical lightning protection subsystem is used for leading the current generated in the lightning process to the ground, the surge suppression subsystem is used for performing pre-current division and field current division on the lightning strong current in the power transmission line so as to reduce an excessive current in the power transmission line, the electromagnetic shielding system is used for shielding strong electromagnetic waves generated in the lightning discharge process to protect a communication line, the electron discharge subsystem is used for discharging the strong current in the lightning discharge process. The invention also provides a lightning protection method for an outdoor power distribution station. The structure design of the invention is reasonable, through the protection measures of lightning protection, pre-current division and field current division, the damage of lightning to the outdoor power distribution station is effectively reduced, and the lightning protection performance of the outdoor power distribution station is greatly improved.
Description
technical field [0001] The invention relates to the technical field of line lightning protection, in particular to a lightning protection system and a lightning protection method for an outdoor power distribution station. Background technique [0002] With the rapid development of my country's economy and society, social electricity consumption continues to increase, and the requirements for power quality are also constantly improving, which puts forward higher requirements for the stability and reliability of the power system. As a place for voltage level transformation and centralized distribution of electric energy in the power system, the substation is of great significance to the stable operation of the power system. Once a fault occurs, it will have a great impact on the normal operation of the power system. [0003] The ways of substation lightning intrusion mainly include ground wire intrusion, signal wire intrusion and power wire intrusion. In order to protect the ...
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IPC IPC(8): H02H9/02
CPCH02H9/02
Inventor 葛君山冯茂岩
Owner JIANGSU MARITIME INST