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Thread: 12v 2000 amp power supply varriable

 
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Permlink Replies: 1 - Pages: 1 - Last Post: Sep 20, 2009 11:40 AM Last Post By: sujan_india
sujan_india

Posts: 3
Registered: 08/08/09
12v 2000 amp power supply varriable
Posted: Sep 10, 2009 6:11 AM
power , 12 , 2000 , amp , supply , volt
 
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hello every body
I am from india as design engineer in M/S BAS BLEU
i have a project about making power supply
specification are bellow

1-13 volt 2000 amp power supply thyristor controlled.

only 25000 VA primary 3 phase-15 volt 1666 AMp output secondary is provided by X- party.

please justify the project how to handle yhis large current through SCRs.

this power supply is needed for tasting of Relay contactor.

thanks.
sujan_india

Posts: 3
Registered: 08/08/09
Re: 12v 2000 amp power supply varriable
Posted: Sep 20, 2009 11:40 AM   in response to: sujan_india in response to: sujan_india
power , design , 12v , 2000amp , supply
 
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please,
any one try to solve my probleme.

3 phase 220v each Ac will be given. and out put in range of 1-12 v varriable supply. this 2000Amp rating is used to test contactors for railway traction motors.
the transformer is oil cooled.
the power input of the transformer will be regulated by SCR by phase controlle technique. thats way i want to design primary SCR driver circuitry.

any body help and suggest your valuable suggestion.
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