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Topics: Thermal power station, Cogeneration, Steam Pages: 66 (3347 words) Published: October 12, 2013
NASL
PEER REVIEW OF COAL FIRED THERMAL POWER
STATIONS & BEST PRACTICES IN POWER GENERATION
Hosted by
Ministry of Power Govt. of India & NTPC Limited
February 2008 INDIA
RENOVATION & MODERNISATION OF THERMAL POWER PLANTS
PRESENTATION BY
NTPC-ALSTOM POWER SERVICES PRIVATE LIMITED

by
K. V. Ramachandra Setty
AGM Business Development
1

NASL
NASL – Introduction
NASL Promoters’ strengths
Retrofit Solutions
Role of CDM
R&M/Retrofit solution – case Studies
2

NTPC-ALSTOM Power Services Private Ltd.

NTPC

NASL
50%

Largest Power Utility in the
country with over 27 GW installed
capacity
• Engineering
• Quality Assurance
• Project Management
• O&M-Rich Experience
• Performance Optimization &
Turn around
Brief History

NASL

50%
Original Equipment Designer (OED) &
Manufacturer (OEM) with over 647 GW
installations world wide.
Complete R&D back up and
Service Provider with global reach,
• Engineering & manufacturing
• Research & Development
• IPPs / EPC
• O&M Services and R&M Services

Established in September 1999
Exclusive JV for R&M business in India & SAARC region
Strategic alliance to meet requirement of R&M in India.

3

Our range of services for power plant

NASL

Turnkey solutions
• R&M of power plants to originally designed performance
• Re powering, Up grading beyond original design capacity
• Up grading to meet Environmental norms
• Lease, Rehabilitate,Operate, and Transfer projects (LROT)

Solutions for power plant packages
• R&M of power plants islands –
Boiler,Turbines,Generators, C&I, Environmental systems,BOP etc. • Retrofit of major power plant components.

4

Our range of services for power plant (2)

NASL

Services






Technical audit of power plants
Residual life assessment and plant life extension studies
Performance improvement and upgrading studies
Functional & performance tests of major equipment
Setting of plant management studies

Operations and Maintenance





R&M related O &M for agreed duration.
Development & implementation of O&M solutions
Training of O&M personals
Inspection & capital over hauling with repair / replacement

5

Turnkey R&M Plant Integrator Capability
Coal Power Plant

NASL

Electrical & BOP
Control system

Steam Turbine
Generator

Boiler

Coal & Ash handling
Electrostatic Precipitator
Condensing & Feed heating plant
Flue Gas

6

Retrofits - Executed / under execution

NASL

Output capacity enhancement
(MW) of machine.

Torrent AEC Sabarmati ‘D’ station
1x110 MW unit uprating to 120 MW.

Improved Boiler Efficiency
and High efficiency heat
transfer surfaces.

NTPC Talcher (1x110 MW) APH retrofit
NTPC Tanda (4x110 MW) Boiler renovation

Turbine module Retrofit
Output / Heat Rate
Improvement.

Koradi 1x120 MW LP Turbine module
retrofit eliminating Baumann stage.
Bathinda 110 MW High Pressure (HP)
Turbine module retrofit for Heat rate
improvement

7

Retrofits - Executed/under execution

NASL

Turnkey R&M Plant/Island

PSEB GNDTP Bathinda 2x110 MW units
MPPGCL Amarkantak 2x120 MW units
TG & Auxiliaries

Restoration works

JSEB Patratu 1x110 MW+ 1x50 MW

I&C Retrofits
(DAS/DCS/DDCMIS/FSSS)

NTPC Talcher (3x60 MW)
NTPC Singrauli (3x200 MW)
PSEB Bathinda (2x110 MW)*
Torrent AEC Sabarmati (1x110 MW)*
JSEB Patratu (2x50 MW)*
NTPC Tanda (4x110 MW)

Emission Controls

Tanda 4x110 MW ESP retrofit (EPIC II)
Badarpur 210 MW ESP Contrllers
Retrofit (EPIC-I to EPIC-II)

Miscellaneous Works

Ranchi 33 KV substation works
GRASIM Nagda MS Piping works
8

NASL
NASL – Introduction
NASL Promoters’ strengths
Retrofit Solutions
Role of CDM
R&M / Retrofit solution – case Studies
9

NTPC – Operational Performance

NASL

Turn Around Ability

Capacity Utilization

Unchahar Plant PLF

91.2

120

80
60
40

18.0

20
0
Tak e n ove r in 1992

81

2006-07

T alcher Plant PLF

75...
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