ACDB/ DCDB

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anand.kathale Active Contributor Join Date: Dec 2010 Posts: 15	ACDB/ DCDB 02/20/2011 10:33 PM
	Is there any difference in the testing methodology for ACDB & DCDB? (Means testing for ACDB is different from that of DCDB?) __________________ Anand Kathale
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Tornado Guru Join Date: May 2009 Location: Richland, WA, USA Posts: 21017 Good Answers: 795	#1 Re: ACDB/ DCDB 02/20/2011 10:48 PM
	How about applying AC to the former, and DC to the latter? Elephino. __________________ In vino veritas; in cervisia carmen; in aqua E. coli.
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jack of all trades Guru Join Date: Sep 2006 Location: Auckland, New Zealand Posts: 8777 Good Answers: 376	#2 Re: ACDB/ DCDB 02/20/2011 10:52 PM
	Can you please explain what an ACDB and DCDB are first. __________________ jack of all trades
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anand.kathale Active Contributor Join Date: Dec 2010 Posts: 15	#3 In reply to #2 Re: ACDB/ DCDB 02/20/2011 10:55 PM
	Its distribution boards for Ac & DC system.... (Including Bus bars, meters, relays etc.) __________________ Anand Kathale
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dhanshyam Member Join Date: Feb 2011 Posts: 6	#4 Re: ACDB/ DCDB 02/21/2011 8:13 AM
	ACDB - AC Distribution Board; DCDB - DC Distribution board. They are LT basically panels meant to supply the required supply(AC or DC) for the local accessories and auxiliaries. The testing procedure of the two is the same. The only difference may be in the testing of its individual components (like ammeter, voltmeter, MFM, etc.) since the types of meters used might be different for AC and DC. The basic insulation test, which is done on any panel (3KV test for 10 mins) is common to both of them.
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kvsridhar Guru Join Date: Sep 2009 Location: Temporarily at Ashburn, VA Posts: 2744 Good Answers: 164	#5 In reply to #4 Re: ACDB/ DCDB 02/21/2011 9:28 AM
	Don't they need to be tested as per IEC 60439 in IEC countries and as per NEMA in US ? A conditional short-circuit test is involved i think? As the OP seems to be from India, i must point out that there may be difficulty in testing a DC board. Only limited facilities available. __________________ Nothing worthwhile can ever be taught, it can only be learnt.
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Anonymous Poster	#6 Re: ACDB/ DCDB 02/21/2011 11:18 PM
	I guess, you are working in some reputed test laboratory in India? Am I right?
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anand.kathale (1); Anonymous Poster (1); dhanshyam (1); jack of all trades (1); kvsridhar (1); Tornado (1)

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