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i_m_pranay
Participant

Join Date: Mar 2009
Posts: 2

Selecting an Uninterrupted Motive Power Supply (UMPS)

03/03/2009 10:55 AM

Do anyone know about the UMPS (Uninterrupted Motive Power Supply) or VFD with battery back-up? Please provide the information about the components and their selection for this equipment. Regards, Pranay (India)
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rakesh_semwal
Guru
India - Member - New Member Engineering Fields - Electromechanical Engineering - New Member

Join Date: Oct 2006
Location: India, 200 Km. North of Delhi.
Posts: 1393
Good Answers: 53
#1

Re: UMPS

03/03/2009 11:03 AM

Supplier I dont know,

but why not to put a signvave UPS before a VFD?
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pandan27
Active Contributor

Join Date: Feb 2009
Posts: 16
#2

Re: Selecting an Uninterrupted Motive Power Supply (UMPS)

03/03/2009 11:37 PM

You could consider Pillar make Rotary power supplies which will provide power to the equipment till the DG starts.Maybe CIL is also attempting such a soln.
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i_m_pranay
Participant

Join Date: Mar 2009
Posts: 2
#3

Re: Selecting an Uninterrupted Motive Power Supply (UMPS)

03/07/2009 8:47 AM

VFD's are able to run on DC 550V. And can supply the relative load too for the required period. This voltage is then inverted by VFD. Only the requirement is to design the battery bank according to Motor name plate rating.
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