Multifunctional maintenance circuit applied to electrical switch cabinet and nuclear power station power distribution system
An electrical switch, multi-functional technology, applied in the substation/distribution device casing, switchgear, electrical components, etc., can solve the problems of time-consuming and labor-intensive electrical switchgear, low maintenance efficiency, and cumbersome maintenance process, etc. The effect of maintenance efficiency, easy operation and high flexibility
Pending Publication Date: 2021-02-02
CHINA NUCLEAR IND MAINTENANCE
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Problems solved by technology
[0004] In view of this, the embodiment of the present invention provides a multifunctional maintenance circuit applied to electrical switchgear and a power distribution system of nuclear power plants, aiming at solving the time-consuming and labor-intensive maintenance process of electrical switchgear in traditional technical solutions, and the maintenance process is cumbersome , requires a large amount of auxiliary testing equipment, and the efficiency of maintenance is low, which brings great inconvenience to technicians
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[0050] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0051] It should be noted that the electrical switchgear refers to a complete set of power distribution devices assembled from primary equipment and secondary equipment according to a certain line plan. The electrical switchgear can implement control and protection functions for power lines and power equipment. Exemplary Yes, electrical switchgear can be divided into: high-voltage switchgear and low-voltage switchgear; and a large number of electronic components are integrated inside the electrical switchgear, and different circuit functions are realized, which are used in the interior of electrical...
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The invention relates to a multifunctional maintenance circuit applied to an electrical switch cabinet and a nuclear power station power distribution system, and the multifunctional maintenance circuit comprises a DC power supply module which is configured to convert a first AC power supply signal outputted by commercial power and then output a DC power supply signal, a power supply distribution module which is used for receiving the DC power supply signal and performing DC conversion on the DC power supply signal to obtain at least one first DC test signal; a power supply measurement module which is configured to perform isolation conversion on the first DC test signal to obtain at least one path of second DC test signal; an inverter which is configured to invert the DC power supply signal to obtain a second AC power supply signal; or an AC measurement module which is used for accessing the first AC power supply signal and adjusting the parameter of the first AC power supply signal orthe parameter of the second AC power supply signal to output at least one AC test signal; according to the embodiment of the invention, the electric energy can be converted into various types of testsignals so as to meet the maintenance requirements of various types of electrical switch cabinets, and the maintenance efficiency of the electrical switch cabinets is high.
Description
technical field [0001] The invention belongs to the technical field of electronic circuits, and in particular relates to a multifunctional maintenance circuit applied to an electric switch cabinet and a power distribution system of a nuclear power station. Background technique [0002] With the development of contemporary industrial technology, the power system is gradually becoming more and more complex, and because the power requirements of each electronic device are different, technicians need to convert the power into multiple power supply power and monitor the power supply status of the electronic devices in real time. Therefore, the electrical switchgear has been widely used in the power control system. The electrical switchgear can realize various complex power control functions according to the operation instructions of the technicians. The electrical switchgear plays an extremely important role in maintaining the safety of the power system. key role. [0003] Howev...
Claims
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IPC IPC(8): G01R31/00G01R31/40G01R31/42G01R22/06H02B1/30H02B3/00
CPCG01R31/00G01R31/40G01R31/42G01R22/06H02B1/30H02B3/00
Inventor卢立军周杰王东明钟海全陈键张水龙
OwnerCHINA NUCLEAR IND MAINTENANCE