How do I choose a suitable power source for TIG (GTA) welding?

TWI Frequently asked questions

Fig.1. Operating characteristics of a constant current power source

Extracted from an article entitled 'Let's get technical - choosing an arc welding power source' by W Lucas and G Melton, published in Welding & Metal Fabrication, Vol.67, No.4, May 1999, pp.18-21. (Publishers - dmg BusinessMedia Ltd, Redhill, Surrey, UK - http://www.dmg.co.uk/dmgbm/ )

For further information contact arc@twi.co.uk