Intelligent Voltage Transformer
A voltage transformer, intelligent technology, applied in the direction of inductors, transformers, voltage/current isolation, etc., can solve problems such as burnout and economic loss, and achieve significant economic and social benefits.
Inactive Publication Date: 2016-03-30
江苏博斯特科技电力有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide an intelligent voltage transformer to solve the defect that existing electromagnetic voltage transformers will be burned when the secondary voltage is short-circuited due to structural factors, thereby causing great economic losses. No damage occurs when the secondary 100-volt short circuit of the transformer occurs, which is conducive to ensuring the safe operation of power equipment
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[0014] Below in conjunction with accompanying drawing and embodiment further illustrate the present invention, as figure 1 , 2 As shown, the present invention consists of a shell, an iron core, a primary high-voltage coil on the iron core, a secondary operating voltage coil, and a control board including a signal acquisition unit, a signal processing unit, an execution unit, a reset signal unit, and a power supply for these units. The working voltage coil and the power circuit are composed; the output of the signal acquisition unit connected to the output terminal of the secondary working voltage coil is connected to the input terminal of the operational amplifier in the signal processing unit, and the output of the comparator in the signal processing unit is connected to the base of the triode in the execution unit , the normally closed contact of the relay in the execution unit is connected in series in the output circuit of the secondary working voltage coil, the normally c...
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Abstract
The invention provides an intelligent voltage transformer which is a necessary component of electrical equipment and belongs to the technical field of electrical equipment. According to the intelligent voltage transformer, a signal detection unit, a signal processing unit and an execution unit are arranged in a transformer; when the detection unit detects a short circuit signal, the execution unit immediately cuts off a short circuit source and ensures that the voltage transformer is not damaged; when the short circuit fault is eliminated, the detection unit conforms that the transformer is not in a short circuit state, and the execution unit immediately unlocks to recover the normal operation of the transformer. The intelligent voltage transformer breaks through the ideal existing in textbooks that an explosion or overburning phenomenon happens when the voltage transformer is in second short circuit; according to the intelligent voltage transformer, the damage to the secondary voltage of the voltage transformer is effectively prevented during short circuit, so that the intelligent voltage transformer has great significance in the development of the electricity industry and meanwhile has obvious economic benefit and social benefit.
Description
technical field [0001] The invention relates to an intelligent voltage transformer, which is an indispensable part of electric equipment and belongs to the technical field of electric equipment. Background technique [0002] The secondary output voltage terminal of the existing electromagnetic voltage transformer is not allowed to work in a short-circuit state. Once a short-circuit occurs, it will explode or burn out, and the normal operation of the electric equipment cannot be guaranteed. The existing traditional voltage transformer is mainly composed of an iron core, a primary high-voltage coil, a secondary standard 100-volt output coil, and a casing. When the primary coil is connected to high voltage, the secondary coil outputs 100 volts for protection, measurement, metering, indication, etc. Once the secondary voltage is short-circuited, it will burn out and cause great economic losses. In addition, in the prior art, only fuses or air switches are used to protect voltag...
Claims
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IPC IPC(8): H01F38/26G01R15/18
Inventor 夏正新杨家银花国志
Owner 江苏博斯特科技电力有限公司