A high-voltage and high-current pulse impact test platform for DC current-limiting circuit breakers
An impact test, high current technology, applied in the field of detection, can solve problems such as inability to adapt, mismatched characteristics, etc., to achieve the effect of small size, simple maintenance, low test risk and safety risk
Active Publication Date: 2018-12-14
武汉水院电气有限责任公司
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Problems solved by technology
[0006] In order to solve the above problems, the present invention provides a high-voltage and large-current pulse impact test platform for superconducting DC current-limiting circuit breakers. Adapt to the shortcomings of high voltage and high current technical field requirements
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[0022] The present invention will be further described in detail below with reference to the drawings and examples, but the embodiments of the present invention are not limited thereto.
[0023] like figure 1 As shown, the high-voltage and large-current pulse impact test platform of the DC current-limiting circuit breaker of the present invention includes an impact current generating device 1 connected in sequence for generating high-voltage and large-current oscillating pulses, and a waveform control device for controlling the current pulse waveform passing through the test object 4. The device 2, the sampling resistor 3 connected in series with the test object 4 and the test object 4, the test object 4 connected in series with the sampling resistor 3, is used to convert the current waveform of the test object 4 into a voltage waveform for the detection device to record and display. The experimental platform also includes a charging power supply and a detection device, the ch...
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The invention relates to the technical field of detection, and specifically relates to a DC current-limiting breaker high-voltage heavy-current pulse impact test platform. The test platform comprises an impact current generation apparatus, a waveform control apparatus, a test object and a sampling resistor which are successively connected, wherein the impact current generation apparatus is used for generating high-voltage heavy-current oscillation pulses, the waveform control apparatus is used for controlling current pulse waveforms passing through the test object, and the sampling resistor is connected in series with the test object. The test platform can accord with test features of a superconductive DC current-limiting breaker and can also satisfy requirements of a high-voltage heavy-current pulse impact test platform, the test platform is small in volume, and a common laboratory can satisfy installation conditions; and since the test platform is suitable for laboratory conditions, the maintenance is simple, the test operation is easy, and test risks and safety risks are low.
Description
technical field [0001] The invention relates to the technical field of detection, in particular to a high-voltage and large-current pulse impact test platform for a DC current-limiting circuit breaker. technical background [0002] Reliable and efficient power supply and the exploitation and utilization of renewable resources pose great challenges to improve power transmission modes. Based on the advantages of low loss, long-distance, high-power transmission, more efficient connection of renewable energy into the grid, and flexible operation, high-voltage direct current transmission has received new attention. In particular, the emergence of flexible DC transmission technology based on voltage source converters has made the preparation and development of multi-terminal HVDC grids possible and more and more attractive. A DC circuit breaker with the functions of quickly breaking DC fault current and isolating faults is an essential and crucial component for realizing a multi-...
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IPC IPC(8): G01R31/327
CPCG01R31/3272
Inventor 邱凌齐小军李自怀戴兵刘楠康潘涛邵华峰
Owner 武汉水院电气有限责任公司