ELECTRICAL QUALITY ASSURANCE GROUP’S MONTHLY ACTIVITY REPORT

MONTH: November YEAR: 2007 / Page No. 1 of 2

NAME: SCADA SECTION

A: - PERFORMANCE INDICES

INDICES /
This month Nov ‘07
/ Nov ‘06 / YTM- FY 08 / YTM- prev. year / Target
Availability Index (%)
Overall
T&D
LDC / 99.65%
99.56%
98.8% / 99.19% / 99.76% / 99.45% / 99.6%
Occasions for which system was manned / Date / No of Hours / Reasons and action taken
1.  / One instance – Control / data of Versova was not available. / 05-11-2007 / 24 hrs / New Connection from Versova & Malad RTUs to LD AREVA SCADA was causing the RTUs to fail. Presently the communication to LDC has been disconnected for investigation.

B: - COMMISSIONING & OTHER ACTIVITIES

Station / Activity / Equipment / Scheme /
Condition based Maintenance-status / Back ups / CBM / Target for 2nd Trimester(Upto Nov 07)
50% / 48.6% / 66.66%
/
CBM activity in Nov ‘07 / CBM Activity completed for Borivali, Backbay, Parel Trombay ‘B’& Carnac. /
Modifications / There were two calls for modification of Borivali SCADA database / mimic points.
Project activities / ·  Order has been placed for Mahalaxmi GIS & 22KV SCADA RTUs on AREVA, SCADA drawings for RTU General arrangement & equipment data sheets are being approved after due discussions.
·  Quotations have been received from various SCADA Vendors for Dharavi, Malad & Versova RTU replacements, they are being studied.
·  Order has been placed on Honeywell for upgradation of Bhivpuri & Khopoli Harris RTUs from D200 to D200ME with IP connectivity,
Distribution Automation / Local testing of Distribution Automation RTUs ordered under Ph. IIB is under progress at Saki & Borivali with the modems available.
Visiontek modem is found suitable for Distribution Automation as an alternative to TATA Indicom modems.
Commissioning-LDC SCADA / ·  Gateway configuration for Satellite stations is in progress. ABB Engineers are configuring gateways for Carnac & Trombay SCADA.
CA, PA & CI tasks / Nil
EPM process benchmarking / The SCADA Benchmarking data received from NDPL is being compiled & a meeting is being arranged with REL as a second Benchmarking partner to discuss the SCADA maintenance process.
C: –MAJOR FAILURES, PROBLEMS & INVESTIGATION
Breakdown calls in Nov ‘07 / Calls attended by TPC/In progress / Calls attended by NELCO / Calls attended by TPC & NELCO
26 / 13 / 9 / 4

Concern:

·  Modems for Distribution Automation for the remaining Phases of commissioning & spares for the modems in service.

Manday Expert Advice from NELCO: 8 expert man days support was availed from NELCO for Borivali Reports configuration.

Reasons for delay in resolving the Breakdown Calls:

Call No / Complaint logged / Time of Occurrence / Call Closed / Station Name / Reason for delay
EQA-08-0171 / 05-11-07 12:37:34 / 06-11-07 16:00:55 / Load Despatch / Hard Disk failed, Had to get it from Bhira Spares
EQA-08-0172 / 05-11-07 23:57:06 / 07-11-07 08:43 / Versova / Problem was under investigation
EQA-08-0173 / 05-11-07 23:59:37 / 07-11-07 08:47:40 / Malad / Problem was under investigation
EQA-08-0175 / 08-11-07 19:46:34 / 12-11-07 10:44:07 / Dharavi / RTU1 had failed & Device downloading was required.
EQA-08-0176 / 10-11-07 21:30 / 12-11-07 15:22 / Dharavi / RTU1 had failed & Device downloading was required.
EQA-08-0188 / 22-11-07 13:32:36 / 25-11-07 16:00:15 / Malad / Spare PR2 card non -availability

D: - TRAINING / INSPECTIONS / DEPUTATION / SEMINARS / GENERAL TOPICS ETC.

·  A three day training (22-11-07 to 24-11-07) on hardware & Software aspects of Distribution automation was conducted by ABB at Dharavi CCR. Ms. Deepa Joshi, Mr. Varun Thakur & Mr. Aditya Sainath from SCADA group attended the same along with 3 other Engrs. From division.

·  Ms. Deepa Joshi attended a two day tutorial on IEC 61850 conducted by CBIP at Delhi on 19th and 20th Nov ‘07

DATE: 04-11-07 Sr. Mgr (SCADA)

Form No: EQA-CRI-01-FM-01 / Page no. 1 of 2 / Rev. No.: 00 Rev. Date: 03-11-2002