Ampere-second characteristic test system for lightning arrester disconnector
An ampere-second characteristic and testing system technology, applied in circuit breaker testing, instruments, measuring electricity, etc., can solve problems such as difficulties, and achieve the effects of low cost, simple operation, and safe experimental process.
Active Publication Date: 2017-11-17
武汉市合众电气设备制造有限公司
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Problems solved by technology
This test is more difficult to do, and it is also impossible for most manufacturers to complete
Method used
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[0022] The present invention is based on the Labview program development language, which was developed by National Instruments (NI). As a virtual instrument development platform, the program language, device drivers, and functional modules are integrated into the software in a manner similar to building circuit diagrams, and users can quickly select It is very simple and time-saving to program the required content.
[0023] A set of low-cost ampere-second characteristic test system is the main content of the disconnector quality inspection system. How to realize the correct ampere-second characteristic measurement at low cost is the main problem to be studied in this embodiment.
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The invention relates to the ampere-second characteristic test system, belongs to the electric power equipment field and particularly relates to the ampere-second characteristic test system for a lightning arrester disconnector. The ampere-second characteristic test system comprises an impact voltage generation device and an acquisition card connected with the impact voltage generation device, wherein the model of the acquisition card is NI-USB 6009, a self-contained IO interface of the acquisition card provides a high level, an external relay is driven, an effective signal is provided for the impact voltage generation device, and the waveform recording beginning time of the acquisition card is earlier than the high level providing time of the IO interface.
Description
technical field [0001] The invention relates to an ampere-second characteristic test system, which belongs to the field of electric equipment, in particular to an ampere-second characteristic test system for a disconnector of a lightning arrester. Background technique [0002] As a supporting product of the arrester, the disconnector for the arrester (referred to as the disconnector) is used in series with the arrester. Generally, it is directly installed on the grounding side of the arrester to isolate the arrester from the ground potential. The disconnector can be used to prevent the continuous failure of the system, that is, when the arrester fails, the arrester can be disconnected from the system, and a visible mark is given to the naked eye, so that the maintenance personnel can find and replace the faulty arrester as soon as possible. [0003] If the performance and quality of the disconnector can be effectively guaranteed, the use of the disconnector can greatly reduc...
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IPC IPC(8): G01R31/327
CPCG01R31/3272
Inventor 罗小勇
Owner 武汉市合众电气设备制造有限公司