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First work a little bit “feed forward” and monitor the resistance carefully, since it changes with the temperature of the element.
When the resistance is somewhat stabilized: release more power.
We have thyristor control units for driving Molibdenum elements. They can also drive Tungestenum, KanthalSuper, Platinum and Silicium-Carbide (SiC), as well as quartz lamps and short-wave infraled loads.
See: thyristor modules for molubdenum