Three-phase six-port L-C constant-current source high-voltage power source

A high-voltage power supply, L-C technology, applied in the field of power supply, achieves the effects of low failure rate, significant energy saving effect, and scientific power application characteristics

Active Publication Date: 2013-09-04
XIANGYANG JIUDING HAOTIAN ENVIRONMENTAL PROTECTION EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the technical problems of the existing power supply, the present invention provides a three-phase six-terminal L-C constant current source high-voltage power supply. The three-phase L-C constant-current source high-voltage power supply can effectively reduce line loss and reactive power loss, and the cost of the power supply is low. Continuous and reliable work

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] attached figure 1 Middle: 1. Three-phase reactor L; 2. Capacitor C; 3, 4, 5, three input terminals of six-terminal network L-C resonant converter; 6. Contactor KM1; 7. Six-terminal network L-C resonant converter; 8 1. Contactor KM2; 9. Diode D; 10. KM3; 11. High voltage generator; 12. High voltage rectifier silicon stack; 13. Grounding network; 13. Load system.

[0026] Figure 2: A, B, C, a, b, c are the three input and output terminals of the six-term...

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Abstract

The invention relates to a three-phase six-port L-C constant-current source high-voltage power source. A three-phase power source is respectively connected with the input ends of an L-C resonant converter of a six-port network through contactors KM1, the output ends of the L-C resonant converter of the six-port network are connected with the input ends of a high-voltage generator through contactors KM2, the output ends of the L-C resonant converter of the six-port network are respectively connected with cathodes of three diodes D, anodes of the three diodes D are mutually connected through contactors KM3, the high-voltage generator is connected with a high-voltage rectifying silicon stack, and the rectifying silicon stack is connected with a load system. The power source has the advantages that the three-phase symmetrical load is adopted, the corona current density is high, the line consumption and the reactive consumption are effectively reduced, the cost of the power source is lower, the working is continuous and reliable, and the function of quick restoration for short-circuiting is realized; and compared with the single-phase power source, the technology and the process are suitable for designing the power source with higher power.

Description

technical field [0001] The invention belongs to the technical field of power supplies, and in particular relates to a power supply device for a high-voltage electrostatic defogger using a three-phase L-C constant current source with a six-terminal network L-C resonant converter. Background technique [0002] The traditional single-phase L-C constant current source high-voltage DC power supply in the prior art has the advantages of constant current output characteristics, high power factor, continuous and reliable operation, etc., and has been used in many special dust removal environments, such as electric demisting devices and electric coking devices. be widely used. Its shortcomings are: since the constant current source high-voltage DC power supply adopts single-phase power supply, it is easy to cause electric field discharge, the corona power is small, and the efficiency of dust removal and coke capture is low. It is easy to cause grid imbalance and affect the security ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/162H02M1/12
CPCY02P80/10
Inventor 周建勋李伟东吴北苏
Owner XIANGYANG JIUDING HAOTIAN ENVIRONMENTAL PROTECTION EQUIP
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