Marine three-phase 380V input high-power factor high-voltage purification power source device

A high-power factor, power-purifying technology, applied in output power conversion devices, conversion of DC power input to DC power output, high-efficiency power electronic conversion, etc., can solve problems such as large volume and weight, grid pollution, and low power density, etc. Achieve broad application prospects, reduce reactive power loss and harmonic interference

Inactive Publication Date: 2017-08-18
704TH RES INST OF CHINA SHIPBUILDING IND CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the field of three-phase 380V input high-voltage electrostatic purification of ships, traditional power supply technologies such as transformer low-frequency step-up rectification and high-frequency uncontrolled rectification are still mainly used. Although the technology is mature, it has a large volume and weight, low power density, and large low-frequency noise. The power factor is low, causing serious pollution to the power grid, and it does not meet the needs of the intelligent development of ship electrical systems

Method used

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0031] Such as Figure 10 As shown, the embodiment of the present invention provides a marine three-phase 380V input high power factor high-voltage purification power supply device,

[0032] Including three-phase single-switch PFC power unit, dual-transistor forward DC-DC power conversion unit, high-frequency transformer, voltage doubler rectification power unit, and ARM-based monitoring unit;

[0033] The three-phase single-switch PFC circuit of the present invention and its control block diagra...

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Abstract

The invention discloses a marine three-phase 380V input high-power factor high-voltage purification power source device. The device comprises a three-phase single-switch PFC power unit, a double-tube forward DC-DC power conversion unit, a high-frequency transformer, a voltage multiplying and rectification power unit and an ARM-based monitoring unit. The marine three-phase 380V input high-power factor high-voltage purification power source device of the invention can generate adjustable, voltage-limited and current-limited 12kV direct-current high voltage output so as to purify air, the power factor of the three-phase input power source under a full-load operation condition can achieve 0.95 or more, and therefore, grid side input reactive power loss and harmonic interference can be effectively reduced; and when a short-circuit fault occurs at a high-voltage load side, the high-voltage purification power source device can automatically cut off protection in a microsecond-level time duration and automatically restart the protection after the short-circuit fault disappears; the high-voltage purification power source device can also monitor the operation status of each power unit in real time and transmit operating parameters, fault information and the like to an upper-level monitoring system through a CAN network and receive on-off commands sent by the upper-level monitoring system.

Description

technical field [0001] The invention relates to the technical field of a marine three-phase 380V input high-voltage electrostatic purification power supply, in particular to a marine three-phase 380V input high-power-factor high-voltage purification power supply device. Background technique [0002] The marine three-phase 380V input high-power factor high-voltage purification power supply device is a novel intelligent high-voltage purification power supply device, which has high input power factor, high power density, no low-frequency noise, low electromagnetic interference, high reliability, and is convenient for computer remote control. Control and other superior performance. [0003] In the field of three-phase 380V input high-voltage electrostatic purification of ships, traditional power supply technologies such as transformer low-frequency step-up rectification and high-frequency uncontrolled rectification are still mainly used. Although the technology is mature, it has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/335H02M1/42H02M1/12
CPCH02M1/126H02M1/4216H02M3/33561H02M3/33592Y02B70/10
Inventor 章建峰王文彬李红陈清林巍邵晓华郁敏奇周健
Owner 704TH RES INST OF CHINA SHIPBUILDING IND CORP
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