Multiple-harmonic source harmonic isolation system

Abstract

The invention relates to a multiple-harmonic source harmonic isolation system. The harmonic isolation system comprises a data processing unit, a communication unit, an input / output (I / O) port unit, a driving circuit unit, a power detection device, a control keyboard, a displayer, an incoming line access port, a single-harmonic source harmonic isolation module, an outgoing line guide port and at least one line collection terminal, wherein the incoming line access port is eclectically connected with an external access circuit and the single-harmonic source harmonic isolation module respectively, the single-harmonic source harmonic isolation module is electrically connected with the line collection terminal through the outgoing line guide port, the at least one line collection terminal is electrically connected with an external connection circuit, and the driving circuit unit is electrically connected with the data processing unit, the communication unit, the I / O port unit, the power detection unit and the single-harmonic source harmonic isolation module respectively. By the multiple-harmonic source harmonic isolation system, multiple paths of input power supplies can be simultaneously and independently filtered, and the filtered electrical energy is converged to output; and moreover, the harmonic isolation system has favorable fault resistant ability, and thus, the stability and the continuous operational capability of system running are greatly improved.

Description

technical field [0001] The invention relates to a filtering device, specifically a multi-harmonic source harmonic isolation system. Background technique [0002] At present, with the increase in the number and power of various capacitive and inductive electrical appliances, coupled with the grid-connected operation of wind power generation, photovoltaic power generation and other invented power generation methods, and the increasingly complex electromagnetic environment, the current power supply There are often a large number of harmonics in the circuit, power supply and grid circuit, which will have a great adverse effect on the normal power supply work, the operation of the power supply equipment and the operation of the electrical equipment. Therefore, in view of this situation, at present, the purpose of reducing and eliminating harmonics is mainly achieved by adding filtering equipment to the circuit, but in actual use, it is found that the current harmonic filtering eq...

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Problems solved by technology

[0002] At present, with the increase in the number and power of various capacitive and inductive electrical appliances, coupled with the grid-connected operation of wind power generation, photovoltaic power generation and other invented power generation methods, and the increasingly complex electromagnetic environment, the current power supply There are often a large number of harmonics in the circuit, power supply and grid circuit, which will have a great adverse effect on the normal power supply work, the operation of the power supply equipment and the operation of the electrical equipment. Therefore, in view of this situation, at present, the purpose of reducing and eliminating harmonics is mainly achieved by adding filtering equipment to the circuit, but in actual use, it is found that the current harmonic filtering equipment can only The harmonics existing in a single input circuit are processed, so the work efficiency of harmonic elimination is poor, and the output power of the circuit is also lack of effective adjustment ability. At the same time, the current harmonic filtering equipment also lacks Effective redundant system, so the current harmonic filtering device has insufficient anti-fault ability, poor operation stability, and cannot effectively meet the needs of actual use. Therefore, in view of this situation, it is urgent to develop an inventive harmonic concern device. to meet the needs of actual use

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