Help me design a 220V single phase 50 hz supply which is converted to freq. inverter

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brijmohan mohta

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guidance reqd for sourcing/design of 220 v single phase 50 hz supply to be converted

into: manually variable frequncy inverter.range 10 hz to 25 hz. voltage control is

not reqd.power at 25 hz 1 kw max. losses should be minimum as the inverter may

be reqd to run for almost 10 hours in a day intermittantly. swithing on and off will

be 7to 8 times in a day. cost control essential for wider application

brijmohan mohta[/url]
 

Re: power electronics

voltage control is not reqd
Sounds unlikely. Variable frequency drive of induction motor requires V ~ f (standard voltage characteristic) or an application
specific characteristic for highest efficiency, e.g. a ventilator characteristic V ~ f².
 

Re: power electronics

i would love tu understand v-f characteristic . my requirement of voltage control is not essential
 

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