thermal power development - Infraline

Central electricity authority Annual Report 2009-10
38
‣ Short circuit and load flow studies for
Enhancing System Reliability by LILO of
400 kV Dehar-Bhiwani and 400 kV Dehar-
Panipat.
‣ Load flow studies carried out to study the
revised project report for infrastructural
development at 220 kV & 132 kV
transmission level under Prime Minister's
Reconstruction Plan for J&K State was
examined and fresh load flow studies
were carried out with the proposals and
recommended the same to MoP.
‣ Transmission planning studies for
strengthening of 400 kV and 220 kV network
in northern part of Tamil Nadu.
3.10 Consultancy services and assistance
to various utilities
(i) Power Development Department, Govt.
of J&K: 220kV and 132kV Transmission
Projects under Prime Minister’s
Reconstruction Program.
(ii) Bhutan Power Corporation, Govt. of
Bhutan: 132kV and 66kV Transmission
and substation works.
(iii) WAPCOS: Transmission and Substation
work relating to Salma Hydro Project,
Afghanistan.
(iv) Damodar Valley Corporation: Design
of 220kV Multicircuit, 132kV and 33kV
Transmission Line Towers.
(v) Assistance to Delhi Transco Ltd. and
APTRANSCO in the preparation of
technical specification and evaluation of
tenders for 220 kV & 132 kV XLPE Cables
and GIS Substation.
3.10.1 Representation/Nomination in the
Committees
(a) A Committee under the Chairmanship
of Chief Engineer (SETD), CEA was
constituted to investigate causes of failure
and to suggest remedial measures to avert/
minimize the recurrence in respect of the
following:-
i) Transmission line towers of 220kV &
above Voltage Class
ii) Various substation equipment of
220 kV and above Voltage Class
(b) CEA is representsed on Electro-technical
Division Council and Indian National
Committee- International Electro-technical
Commission and Chairman of Conductors
and Accessories for Overhead Lines
Sectional Committee.
3.11 Analysis of causes of failure of
Transmission Line Tower & Substation
equipment
3.11.1 Transmission Line Towers Failure
of 400 kV line Towers
Failures of 400 kV transmission line
towers of Power Grid were investigated
and remedial measures suggested. Standing
Committee of Experts headed by CE (SETD),
CEA submitted report in respect of the
following lines:-
1. 400 kV Dadri-Ballabhgarh D/C Line
2. 400 kV Allahabad- Mainpuri D/C Line
3. 400 kV Jabalpur-Itarsi D/C Line
4. 400 kV Dadri- Mandola D/C Line
5. 400 kV Vindhyachal- Jabalpur ckt.-I & II
D/C Line
6. 400 kV Farakka-Sagardighi Circuit-I and
Farrakka- Durgapur Line
7. 400 kV Kanpur-Ballabhgarh S/C Line
(Kanpur Etah Section)
8. 400kV Korba- Bhilai circuit-I S/C Line
9. 400 kV Khandwa-Dhule D/C Line
10. 400kV Meerut- Muzaffarnagar S/C Line
11. 400 kV Malda- New Purnia LILO D/C
Line.
3.11.2 Sub-station Equipment
As a part of activity of Standing
Committee to assess the cause of failure of
"Electricity is life: Conserve it."