Microcomputer-based secondary harmonic elimination device

It is primarily dedicated to fields such as power and industrial automation equipment, neutral point protection equipment in power supply systems, high and low voltage complete sets of equipment for power transmission and distribution, new energy generation like photovoltaic and wind power, environmental monitoring and control, and ore magnetic content analysis

dtdq0315@163.com

+86-0315-7235200

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Instrumentation and meters for switchgear cabinets

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　　The microcomputer-based secondary harmonic elimination device applies microcomputer technology to power grid harmonic elimination. Leveraging the computer’s rapid and accurate data-processing capabilities, it performs fast Fourier analysis with high frequency-selection accuracy. By sampling PT voltages, it can quickly analyze various frequency components during grid resonance and accurately distinguish among ground faults, overvoltage faults, and resonance faults.

　　In the event of grid resonance, the microcomputer controller issues a command to activate the resonance suppression circuit, enabling rapid resonance elimination. This device accurately detects various types of high-frequency, low-frequency, and power-frequency resonances with swift response, thereby providing a comprehensive solution to resonance suppression in power systems. It can also record the occurrence of faults along with the exact time of their onset. This device is widely applicable to power systems in power plants, substations, and large-scale industrial enterprises such as steel mills, coal mines, and petrochemical facilities.

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+86-0315-7235200

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