Five level single round high-power anti-explosion synchronous motor frequency conversion speed regulation system based on integrated gate commutated thyristor (IGCT)

Abstract

The invention discloses a five level single round high-power anti-explosion synchronous motor frequency conversion speed regulation system based on an integrated gate commutated thyristor (IGCT). The five level single round high-power anti-explosion synchronous motor frequency conversion speed regulation system based on the IGCT comprises a three phase power supply, a phase shifting transformer, a five level inverter, a control panel, a human-computer interface, a three phase compressor, a detecting system and an outer portion interface, wherein the three phase power supply, the phase shifting transformer, the fiver level inverter and the three phase compressor are sequentially connected with each other, and are connected with the detecting system; the detecting system, control panel and the human-computer interface are sequentially connected with each other, and the control panel is further connected with the outer portion interface and the five level inverter. The five level single round high-power anti-explosion synchronous motor frequency conversion speed regulation system based on the IGCT adopts a high voltage large current IGCT as a power device, adopts the modularization technology simultaneously, has the advantages of being high in power density, small in installation size, and convenient to maintain, and can be further applied to other places where a voltage class is matched with current simultaneously.

Description

technical field [0001] The invention belongs to the field of high-voltage frequency conversion, and in particular relates to a single-winding high-power explosion-proof synchronous motor frequency conversion speed regulation system based on IGCT five-level, which adopts a novel three-level H-bridge cascade structure and can meet the winding voltage level of 6.6 Compressor requirements for kV, 4.8k and below voltage levels. Background technique [0002] High-power long-line pipeline compressors are the key equipment for oil and gas transportation, of which high-power high-frequency compressors and their corresponding high-voltage and high-power drive systems are the key equipment. At present, my country has achieved certain application results in the field of high-frequency and high-power compressors. However, in the field of high-voltage and high-power compressor drive systems, the transmission control system requires high technology, high performance, high safety and high ...

AI Technical Summary

Problems solved by technology

However, in the field of high-voltage and high-power compressor drive systems, the transmission control system requires high technology, high performance, high safety, and high reliability. Disciplines and related technologies have long been blocked by foreign countries

At present, the domestic long-line rate compressor drive supporting market is almost divided by international electrical companies such as ABB in Switzerland, GE in the United States, SIEMENS in Germany, and YASKAWA in Japan. Domestic manufacturers rarely appear

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