A Novel Composite Inner Cone Optical Voltage Transformer
An optical voltage and transformer technology, applied in the direction of inductors, transformers/inductor shells, transformers, etc., can solve the problems of large size, difficult installation and maintenance, and heavy weight, and achieve the effect of small size, simple installation and light weight.
Active Publication Date: 2022-05-24
BEIJING AEROSPACE TIMES OPTICAL ELECTRONICS TECH
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Problems solved by technology
[0003] At present, most of the voltage transformers used in medium and low voltage transmission and distribution and traction substations are electromagnetic induction applications, which have problems such as large volume, heavy weight, and difficult installation and maintenance. In order to give full play to the advantages of optical voltage transformers, it is necessary to develop a A more compact, flexible, safe and convenient sensing unit structure
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[0030] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments disclosed in the present invention will be described in further detail below with reference to the accompanying drawings.
[0031] like figure 1 , In this embodiment, the novel composite inner cone optical voltage transformer includes: inner cone sensing unit 1 , optical cable 2 and demodulation unit 3 . Among them, the inner cone sensing unit 1 is connected with the demodulation unit 3 through the optical cable 2; the inner cone sensing unit 1 is connected with the high voltage terminal of the device to be tested, and is used to collect the high voltage signal of the device to be tested, and the collected The high-voltage signal is converted into an optical signal, and the optical signal is transmitted to the demodulation unit 3 through the optical cable 2; the demodulation unit 3 is used to demodulate the received optical signal to obtain a voltage val...
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The invention discloses a novel composite inner cone optical voltage transformer, comprising: an inner cone sensing unit, an optical cable and a demodulation unit; the inner cone sensing unit is connected with the demodulation unit through an optical cable; The unit is connected to the high-voltage terminal of the device to be tested, and is used to collect the high-voltage signal of the device to be tested, convert the collected high-voltage signal into an optical signal, and transmit the optical signal to the demodulation unit through the optical cable; the demodulation unit is used to The received optical signal is demodulated to obtain the voltage value. The novel composite inner cone optical voltage transformer of the present invention has the advantages of flexible design, small size, light weight, good shielding effect, environmental protection and high safety, and realizes the high integration of the sensing unit. The application in the system proposes a new scheme.
Description
technical field [0001] The invention belongs to the technical field of power systems, and in particular relates to a novel composite inner cone optical voltage transformer. Background technique [0002] High-voltage power transformers are necessary equipment for metering, control and relay protection for power systems. Optical voltage transformers have shown advantages over traditional voltage transformers in various aspects. For example, optical voltage transformers are non-intrusive sensing measurement methods, achieving complete photoelectric isolation, wide frequency response, large dynamic range, no magnetic saturation, Lightweight and easy to install, etc., therefore, the application of optical voltage transformers in power systems has received much attention. [0003] At present, the voltage transformers used in medium and low voltage power transmission and distribution and traction substations are mostly electromagnetic induction applications, which have problems su...
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IPC IPC(8): G01R15/24G01R19/00H01F38/26H01F27/36H01F27/02
CPCG01R15/24G01R19/0084H01F38/26H01F27/36H01F27/02
Inventor 张峰李彬王利清司磊
Owner BEIJING AEROSPACE TIMES OPTICAL ELECTRONICS TECH