Question about Digital Audio 2000 WATTS SINGLE CHANNEL HIGH CURRENT AMPLIFIER DHC1204 Car Audio Amplifier
I need to clarification about Transducer ES 2000-9725 , Ipn 2000A, Np / Ns : 1/50000 , Rs 25 ohm, ABB frequently failure.
We have two Master drive 900 kw panel ,and The drive was commissioned on 2004
Oder No : 6SE7041-3HK85-0AA0
Type : D660-690-G890-930/1285CREF
Ser No: Q 6581945320037
OUT PUT 1285ADC
One is used for roller press moving roller. Other one is used fixed roller.
Please find the year, which the drive was commissioned and the replacement
dates of the CT's. all cts are fail in fixed Roller
* 2007 /12/23 , Fault massage came as F011 - over current ,F029 and changed Transducer ES 2000 ABB ( W ph ) in fixed roller.
* 2008/03/09 , again Fault massage came as F011, - over current ,F029 and changed twoTransducer ES 2000 ABB ( W ph ) and ( V ) in fixed roller.
* 2008/09/14 , again Fault massage came as F011 - over current , and changed Transducer ES 2000 ABB ( V ph ) in fixed roller.
* 2009/ 07/15 , again Fault massage came as F011 - over current , and changed Transducer ES 2000 ABB ( U ph ) in fixed roller.
And also we have attached the drive parameter data
VSD Drive Data: order No : 6SE 7041-3HK85-OAAO, Type:D660-690G890-930/1285CREF, Se No:Q6S81945320037
Environment temperature :- 32C at motor Area ,
Environment temperature :- 24C at VSD room
Environment temperature :- 30C at CT Area
Length of motor cable :- 100m
Data with number and type of motor
Type : - IPQ4 454 4AM00-Z, Se No: So1146696020001/2004 IM B3, SIEMENS
950kW , 1493, delta 690V, 920A,
Total inverter parameter fixed roller: -
Inverter:- Fixed roller side
Converter parameter:- Fixed roller side
Total inverter parameter moving roller: -
Inverter : - Moving roller side
Converter parameter moving roller :-
We have fail CT's for further investigations
NOTE : Due to 5th failure effect of cement production.
Can you pl acknowledge me
Looking forward to hear from you soon,
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Posted on Jan 02, 2017
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