Thyristor module is often called a power semiconductor module.
In 1970 module principle introduction of power electronics technology, is in the form of module encapsulation, has three p-n junction four layer structure of high power semiconductor devices.
Below said the main purpose of the thyristor
module is together?
Also called thyristor SCR module.
Since the advent of the 1950 s has grown into a big family, its main members are ChanXiangJing thyratron, bidirectional thyristor, optically controlled thyristor, thyristor, can turn off thyristor, fast thyristor identify thyristor three pole method is very simple, according to the P -
N junction principle, as long as with a multimeter to measure the resistance between three pole.
Between the anode and cathode in more than a few hundred thousand the forward and reverse resistance, anode and control between forward and reverse resistance in hundreds of thousands of the above (
There are two P - between them
N junction, and in the opposite direction, so that the anode and the control to speak very positive and negative)
Control is a P - between pole and the cathode
N junction, so it is about in a few European - resistance
The scope of the hundreds of the reverse resistance is bigger than forward resistance.
But control diode characteristic is not very ideal, the reverse is not completely in the blocking state.
Thyristor module: the advantages of small volume, light weight, compact structure, high reliability, simple outside wiring and good compatibility, easy to maintenance and installation;
Structure, the repeatability of the equipment mechanical design can be simplified, the cost low discrete device of a lot of advantage, which is by the birth of a major power semiconductor manufacturer, and therefore get long-term development.
Thyristor module classification: from X chip, thyristor module can be divided into two major categories of control module and rectifier module, distinguish from the concrete use, can be divided into: ordinary thyristor module (
, ordinary rectifier module (
, ordinary thyristor, rectifier module (
, fast thyristor, rectifier and mixed module (
, type of insulation thyristor, rectifier and mixed module (
Known as the electric welding machine dedicated module MTG the MDGS)
Output, three-phase rectifier bridge thyristor module (
Rectifier bridge module (
, single phase half controlled bridge (
Three-phase fully-controlled bridge)
As well as schottky module and so on.
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