19-08-2011, 11:02 AM
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ABSTRACT
BHEL is the largest engineering and manufacturing enterprise in India in the energy related infrastructure sector today which manufactures turbo generators
(2-pole and 4-pole) ranging up to 150 MHz
The manufacturing process of turbo generator is mainly divided into stator section and rotor section where stator frame, stator core, stator windings, end covers are received from the stator building section and rotor with rotor windings and rotor retaining rings is received from rotor section and assembled at the assembly section. Each and every process is carried out in a sequential process. Turbo generators are designed with the Closed circuit air cooling with water or air coolers mounted in the pit.
The layout of the manufacturing plant is such that it is well streamlined to enable smooth material flow from the raw material stages to finished goods. The raw material that are produced for manufacture are used only after thorough material testing in the testing lab and with strict quality checks at various stages of productions. Latest technologies like vacuum press impregnated moralistic high voltage insulation, polyester fleece tape impregnation for outer corona protection are implemented to produce high quality insulation for turbines, outstanding performance and long lasting lifetime.
TESTING:
Testing has to be done on a machine at every step in its manufacturing process for the company to certify it to be a “deliverable good”. Test brings out the impact of process variations. Testing is done in simulations which tend to closely resemble the practical scenario under which the machine works. Testing provides the experimental data like the efficiency, losses, characteristics, temperature limits etc. In this report of mine we shall look into the different types of tests, which are currently in use at BHEL, which are being conducted on stator, rotor and exciter.
ABOUT THE COMPANY:
BHARAT HEAVY ELECTRICALS LIMITED.
Bharat Heavy Electrical Limited (BHEL) is today the largest engineering Enterprise of India with an excellent track record of performance.
Its first plant was set up at Bhopal in 1956 under technical collaboration with M/s. AEI, UK followed by three more major plants at Haridwar, Hyderabad and Tiruchirapalli with Russian and Czechoslovak assistance.
These plants have been at the core of BHEL’s efforts to grow and Diversify and become India’s leading engineering company.
The company now has 14 manufacturing divisions, 8 service centers and 4 power sector regional centers, besides project sites spread all over India and abroad and also regional operations divisions in various state capitals in India for providing quick service to customers. BHEL manufactures over 180 products and meets the needs of core sectors like power, industry, transmission, transportation (including railways), defense, telecommunications, oil business, etc.
Products of BHEL make have established an enviable reputation for high quality and reliability. BHEL has installed equipment for over 62,000 MW of power generation for Utilities, Captive and Industrial users.
Supplied 2,00,000 MVA transformer capacity and sustained equipment operating in Transmission & Distribution network up to 400kV – AC & DC, Supplied over 25,000 Motors with Drive Control System Power projects.
Petrochemicals, Refineries, Steel, Aluminum, Fertilizer, Cement plants etc., supplied Traction electric and AC/DC Locos to power over 12,000 Km Railway network. Supplied over one million Valves to Power Plants and other Industries.
This is due to the emphasis placed all along on designing, engineering and manufacturing to international standards by acquiring and assimilating some of the best technologies in the world from leading companies in USA, Europe and Japan, together with technologies from its-own R & D centers.
BHEL has acquired ISO 9000 certification for its operations and has also adopted the concepts of Total Quality Management (TQM).
BHEL presently has manufactured Turbo-Generators of ratings up to 560 MW and is in the process of going up to 660 MW.
It has also the capability to take up the manufacture of ratings unto 1000 MW suitable for thermal power generation; gas based and combined cycle power generation as-well-as for 13 diverse industrial applications like Paper, Sugar, Cement, Petrochemical, Fertilizers, Rayon Industries, etc.
The Turbo generator is a product of high-class workmanship and quality. Adherence to stringent quality-checks at each stage has helped BHEL to secure prestigious global orders in the recent past from Malaysia, Malta, Cyprus, Oman, Iraq, Bangladesh, Sri Lanka and Saudi Arabia. The successful completion of the various export projects in a record time is a testimony of BHEL’s performance.
Bharat Heavy Electrical Limited (BHEL) is, today, a name to reckon with in the industrial world. It is the largest engineering and manufacturing enterprises of its kind in India and is one of the leading international companies in the power field.
BHEL offers over 180 products and provides systems and services to meet the needs of core sections like: power, transmission, industry, transportation, oil & gas, nonconventional energy sources and telecommunication.
A wide-spread network of 14 manufacturing divisions, 8 service centers and 4 regional offices besides a large number of project sites spread all over India and abroad, enables BHEL to be close to its customers and cater to their specialized needs with total solutions-efficiently and economically.
An ISO 9000 certification has given the company international recognition for its commitment towards quality.
With an export presence in more than 50 countries BHEL is truly India’s industrial ambassador to the world.
BHEL HYDERABAD- RAMACHANDRAPURAM UNIT:
SITE: The factory area is about 750 acres out of which the fenced area is about 350 acres and the rest 400 is left for future expansion of the factory.
PRODUCTS OF BHEL HYDERABAD:
TURBINES:
steam turbines
gas turbines
TURBO ALTERNATORS
steam turbine generators {air cooled type}
gas turbine generators {air cooled type}
COMPRESSORS.
SWITCH GEAR.
PUMPS.
OIL FIELD EQUIPMENT (for oil rigs).
PULVERISING MILLS OR BOWL MILLS.
HEAT EXCHANGERG.
CIRCUIT BREAKERS.
SYNCHRONOUS CONDENSERS.
