Modularized power cabinet

Abstract

The invention discloses a modularized power cabinet which comprises a control box, an auxiliary circuit, a reactor, a phase module, a cabinet body, a low-inductance busbar A, a busbar, a low-inductance busbar B, a support capacitor, a water outlet pipeline and a water inlet pipeline, wherein the cabinet body is divided into a high-voltage region and a low-voltage region, the low-voltage region and the high-voltage region are isolated by a metal plate, the high-voltage region comprises the phase module, the reactor and the support capacitor, the phase module and the reactor are distributed in the cabinet body from top to bottom, the low-voltage region comprises the control box and the auxiliary circuit, the control box of the low-voltage region is connected with a power device of the phasemodule of the high-voltage region through an optical fiber, the auxiliary circuit can realize connection of all the parts by wiring in the cabinet body, and a water cooling pipeline comprising a water outlet pipe and a water inlet pipe is distributed at the upper end and the lower end of the cabinet body. The power cabinet described by the implementation way is strong in universality and high in degree of integration, and can realize rectification and the inversion function, simultaneously effectively integrates a power unit and a control unit, solves the problems that the power cabinet is bulky so as to be unfavorable for transportation and installation, and is more convenient and reliable for wiring and debugging.

Description

technical field [0001] The invention relates to a cabinet body of a power device, in particular to a general modularized power cabinet applied to a complete set of medium-voltage high-power power electronics. Background technique [0002] With the rapid development of modern power electronics technology and computer control technology, AC speed regulation has gradually replaced DC speed regulation, especially in recent years, with the rapid development of semiconductor device technology, especially insulated gate bipolar transistor (IGBT) , Electron Injection Enhanced Gate Transistor (IEGT), Gated Thyristor (GTO), Integrated Gate Commutated Thyristor (IGCT), represented by high-power full-control devices have developed rapidly, and the medium and high voltage converter system composed of them, Excellent performance, can realize PWM inverter and PWM rectification, not only has small harmonics, but also greatly improves the power factor. Among them, IGCT and IGBT, as new powe...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a modular power cabinet, which realizes the effective integration of the power unit and the control unit, which not only solves the problem that the power cabinet system with an integrated structure is huge and unfavorable for transportation and installation, but also makes wiring and debugging more convenient and reliable

The effective integration of power unit and control unit solves the problem that the power cabinet is huge and unfavorable for transportation and installation, with stronger versatility and higher integration

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