Abstract:
o ensure constant power supply major source is switch mode power suppliers
(S.M.P.S.)S.M.P.s. is required to change A.C. supplies into D.C. suppliers so that
the electronic equipments get uninterrupted supply of power. It is principally
jused for T.V., computer, micro processing, electronic typewriters, videogamesi
lete. Increasing demand for electronic equipments these days is giving way to the i
corresponding increase in the usage of S.M.P.S.especially after seeing the use of
computers in almost every office or commercial unit. There are no local
manufacturers of these products in Laos. There are however many traders who
are importing these products and selling them locally. There are no guarantees,
'for the users once they buy these products as it is imported. Hence there is a!
very good and growing market for SMPS.However almost all the components'
ihaveto be imported.