Phase module for three-level integrated gate-commutated thyristor frequency converter

The invention provides a phase module for a three-level integrated gate-commutated thyristor frequency converter, comprising the structure that two strings of same eudipleural crimping devices are arranged in a framework, wherein each string of crimping devices are same and comprise six heat radiators; a first integrated gate-commutated thyristor (IGCT), a first free-wheeling diode, a second free-wheeling diode, a second IGCT and a clamping diode are sequentially connected among the six heat radiators; same devices on two sides of absorbing circuits at the rear parts of the two strings of crimping devices are symmetrically arranged; a clamping capacitor and an absorbing resistor which are vertically arranged are arranged on each side of the absorbing circuits; absorbing diodes are horizontally arranged above the clamping capacitor and the absorbing resistor; and conductive bus bars are respectively arranged on two sides of the framework and are eudipleural with respect to the framework. By using the phase module, the devices of the frequency converters are divided into two same strings, are eudipleural and are vertically distributed in the framework, so that the connecting line distance among various devices can be reduced. In addition, the line outlet positions are eudipleural, thus the stray inductance of the whole circuit can be greatly reduced.