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FOR ENERGISING THE ABB DRIVE

Please check the status in CDP, if it is shoin! Rea"# on, this $eans the

"%i&e is %ea"# fo% sitche" on'

If Rea"# On is not co$in! in CDP (lease check folloin!s'

1. Ensure all the MCB/MPCB should be on.2. The drive shall not be in fault/alarm condition.3. The corresponding breaer of drive should be in service position! "pring

charge health#! Trip circuit health#! rela# health#.$. The earthing s%itch should be in open condition.&. The doors of converter and transformer section must be in closed.

No P%ess the ON Push Button fo% ene%!isin! the D%i&e, Afte% P%e)

cha%!e co$(letes the $ain *%eake% close"' No the D%i&e status ill *e

u("ate" to "%i&e %ea"# %un f%o$ Rea"# to Sitch ON'

Don+ts

The *%eake% of co%%es(on"in! VFD shoul" ne&e% close $anuall#

TNC-.AN/A01 f%o$ 2'23V Sitch*oa%"' The%e $a# *e se&e%e

"a$a!e occu%%e" in the "%i&e'

DE)ENERGISING THE DRIVE'

1. Ensure the motor is stopped condition and tae clearance from Control

room.2. 'o% press the ()) push button to de energise the drive.3. The drive %ill be no% discharging the *C voltage through its discharge

resistor and %hen *C voltage completel# discharges the earth s%itch

unloced +E* %ill glo%.$. ,ait appro-imatel# 11& minutes! after 11& minutes the entire blo%er

stops. 'o% the control po%er can be s%itched o0.

Don+ts1. *ont open the doors of converter and transformer section of drive %hen

the drive is energised condition and blo%ers are running condition.2. 'ever s%itch of the control po%er during *C lin oltage Earth s%itch

unloc indication not 4lo%5 present in the drive.

PO4ER FAI0/RE'

1. 6n case of po%er failure 7rst ensure all breaer must be opened and if not

opened then trip the breaer manuall# from 8.89v "%itchboard.

2. Before restore po%er in the drive the control po%er must be rec#cled! ifthe control po%er not rec#cled then the redundant fan ma# be operated.

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CDP OPERATING INSTR/CTION

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