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A High-frequency Detection and Sampling System for Generator Set Testing

A generator set and sampling system technology, applied in the direction of motor generator testing, etc., can solve the problem that the low-frequency sampling circuit cannot meet the high-precision detection and high-speed data processing, etc., and achieve the effect of increasing the sampling frequency and processing speed.

Active Publication Date: 2022-01-04
HANGZHOU DIANZI UNIV
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Problems solved by technology

[0006] Aiming at the fact that the low-frequency sampling circuit used in the traditional generator set test system cannot meet the current situation of high-precision detection and high-speed data processing, the present invention provides a high-frequency detection and sampling system for generator set test

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  • A High-frequency Detection and Sampling System for Generator Set Testing
  • A High-frequency Detection and Sampling System for Generator Set Testing

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings.

[0039] A high-frequency detection and sampling system used for generator set testing includes a multi-level mutual inductance detection module and a multi-channel A / D sampling and processing module.

[0040] The multi-level mutual inductance detection module combines sensors and transmitters, and uses multi-level mutual inductance to convert the large voltage and high current generated by the generator set to the voltage range (0-5V) that can be detected by the A / D converter.

[0041] Such as figure 1 As shown, the multi-level mutual inductance detection module includes a generator set G, a first fuse resistor F1, a second fuse resistor F2, a third fuse resistor F3, a first resistor R1, a second resistor R2, a third resistor R3, a Four resistors R4, fifth resistor R5, sixth resistor R6, seventh resistor R7, eighth resistor R8, ninth resistor R9, first transformer L1, ...

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Abstract

The invention provides a high-frequency detection and sampling system for generator set testing. The system of the invention includes a multi-level mutual inductance detection module and a multi-channel A / D sampling and processing module. The multi-level mutual inductance detection module combines sensors and transmitters, and uses multi-level mutual inductance to convert the large voltage and high current generated by the generator set to the voltage range (0-5V) that can be detected by the A / D converter. The multi-channel A / D sampling and processing module realizes the multi-fold increase of single A / D sampling rate by means of time-difference sampling. The system of the invention greatly improves the sampling frequency of the signal, and realizes the adjustable sampling frequency at the same time, adopts the high-speed programmable logic circuit FPGA capable of parallel operation as the data processing terminal, and greatly improves the data processing speed.

Description

technical field [0001] The invention belongs to the field of electric power detection, and in particular relates to a high-frequency detection and sampling system used for generator set testing. Background technique [0002] Generators / generator sets are widely used in industry, national defense, science and technology, and life, and the domestic market has reached 25.4 billion yuan. As of 2018, the output of China's generator sets was 106.0049 million kilowatts, and the production and sales rate of China's generator sets was 97%. With the development of the economy, the demand for diesel generator sets has also continued to increase, and the performance of domestic diesel generator sets has gradually improved. China's diesel generator set industry is in an important period of product structure adjustment. Product price is no longer the key factor in determining the market. Intangible assets such as brand, technology and service have gradually become the focus of the consum...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/34
CPCG01R31/34
Inventor 刘光宇张伟暨仲明余善恩俞玮捷
Owner HANGZHOU DIANZI UNIV
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