FDB POWER CONTACTOR WIRING MODIFICATION DRW

© SDME 2011

MODIFICATION IN FDB POWER LINE CONTACTOR WIRING

Dubai – 22 February 2012

Page 2 SD (ME) LLCConfidential information


OBSERVATION:-

While replacing or removing any one of the control wires (A1or A2 ) in power contactor of FDB, the other power lines, related FDB and ESB are affected.



IMPACTS :-

First of all,Fault 400v power line contactor failure occur in particular FDB.

Channel fault in related ESB will occur.

Finally we receive E-STOP activated fault in related Zone of the FDB.



OVERALL IMPACTS:-

Due to this impacts, system will stop and bag will not reach in time to the particular destination.

Our KPI rating will affect.

Fault Rectification time will increase due to multiple faults.



ACTUAL WIRING FOR POWER LINE CONTACTORSACTUAL WIRING FOR POWER LINE CONTACTORS

A2 terminal of the all A2 terminal of the all power contactors are power contactors are

connected in loopconnected in loop



MODIFIED WIRING DIAGRAM OF POWER LINE CONTACTOR:-

A2 connections A2 connections are given to TB are given to TB Individually / We Individually / We can do luggingcan do lugging



RESULTS OF THE MODIFIED WIRING:-

After this wiring modification ,we can able to replace any power line contactors without any major issue.

Second thing we can eliminate ESB channel faults.

We can minimize our fault rectification time.

We can increase our KPI rating.



MATERIAL REQUIREMENTS:-

Terminal blocks 5pcs

Single core 1.5mm cable 5mts

Cable lugs 1.5mm 20pcs



SAFETY ISSUE:-

0% percent compromise in safety.



TEAM MEMBERS:-

1. Prasad shetty Shift officer

2. Venkatesan Ganesan O&M supervisor-Electrical

3. Anu kumar M O&M Lead Tech-Electrical

4. Silvestar k O&M Tech-Electrical



Documents

FDB POWER CONTACTOR WIRING MODIFICATION DRW