Andhra Pradesh Power Generation Corporation
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Andhra Pradesh Power Generation Corporation
Andhra Pradesh Power Generation Corporation Limited is power generating organization in Andhra Pradesh. It undertakes operation and maintenance of the power plants and also setting up new power projects alongside upgrading the project's capacity. Under the recommendations of Hittenbhayya committee setup by TDP Govt.. History The government reforms in power sector led to the formation of APGENCO on 28 December 1998 and commenced operations from 1 February 1999. The imbalance of the revenues against the cost of production, no significant reduction in technical losses and energy thefts, high cost purchases from IPP's, other SEB's gradually worsened the financial position of APSEB. APSEB division Government of Andhra Pradesh realizing the declining tendency of the financial position of APSEB and considering the recommendations made by committee it was unbundled into Andhra Pradesh Power Generation Corporation (APGENCO) & Transmission Corporation of Andhra Pradesh Limited (APTRAN ...
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Government-owned Corporation
A state-owned enterprise (SOE) is a government entity which is established or nationalised by the ''national government'' or ''provincial government'' by an executive order or an act of legislation in order to earn profit for the government, control monopoly of the private sector entities, provide products and services to citizens at a lower price and for the achievement of overall financial goals & developmental objectives in a particular country. The national government or provincial government has majority ownership over these ''state owned enterprises''. These ''state owned enterprises'' are also known as public sector undertakings in some countries. Defining characteristics of SOEs are their distinct legal form and possession of financial goals & developmental objectives (e.g., a state railway company may aim to make transportation more accessible and earn profit for the government), SOEs are government entities established to pursue financial objectives and devel ...
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Tungabhadra Dam
The Tungabhadra Dam, also known as Pampa Sagar, is a water reservoir constructed across the Tungabhadra River in the city of Hosapete Bellary district, Karnataka, India. It is a multipurpose dam serving irrigation, electricity generation, flood control, ''etc''. for the state. It is one of the only two non-cement dams in India, the other being the Mullaperiyar Dam in Kerala. The dam is built of ''surki'' mortar, a combination of mud and limestone, commonly used at the time of its construction. The dam was a joint project undertaken in 1949 by the erstwhile Kingdom of Hyderabad and Madras Presidency when the construction began; later, after India's constitution into a republic in 1950, it became a joint project between the governments of Mysore State (now Karnataka) and Hyderabad State (now Telangana). The construction was completed in 1953. The Tungabhadra Dam has withstood the test of time for over 70 years and is expected to well cross many more decades. The chief architect ...
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Power Sector Of Andhra Pradesh
Power sector of Andhra Pradesh is divided into 4 categories namely ''Regulation'', ''Generation'', ''Transmission'' and ''Distribution''. ''Andhra Pradesh Electricity Regulatory Commission (APERC)'' is the regulatory body. '' APGENCO'' deals with the electricity production and also maintenance, proposes new projects and upgrades existing ones as well. The APGENCO also set up a Special Purpose Vehicle (SPV), named as ''Andhra Pradesh Power Development Company Limited (APPDCL)'', a joint venture company of APGENCO (with 50% equity) and IL&FS (50% equity) to set up Krishnapatanam thermal power project (2x800 MW). '' APTRANSCO'' is set up for transmission of power. Power distribution in the state is divided into three divisions, namely ''Eastern Power Distribution Corporation Limited'' (APEPDCL), ''Central Power Distribution Corporation Limited'' (APCPDCL) and ''Southern Power Distribution Corporation Limited'' (APSPDCL), which distributes the power to the households, agriculture and ...
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List Of Hydroelectric Power Station Failures
This is a list of major hydroelectric power station failures due to damage to a hydroelectric power station or its connections. Every generating station trips from time to time due to minor defects and can usually be restarted when the defect has been remedied. Various protections are built into the stations to cause shutdown before major damage is caused. Some hydroelectric power station failures may go beyond the immediate loss of generation capacity, including destruction of the turbine itself, reservoir breach and significant destruction of national grid infrastructure downstream. These can take years to remedy in some cases. Where a generating station is large compared to the connected grid capacity, any failure can cause extensive disruption within the network. A serious failure in a proportionally large hydroelectric generating station or its associated transmission line will remove a large block of power from the grid that may lead to widespread disturbances. List o ...
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Availability
In reliability engineering, the term availability has the following meanings: * The degree to which a system, subsystem or equipment is in a specified operable and committable state at the start of a mission, when the mission is called for at an unknown, ''i.e.'' a random, time. * The probability that an item will operate satisfactorily at a given point in time when used under stated conditions in an ideal support environment. Normally high availability systems might be specified as 99.98%, 99.999% or 99.9996%. Representation The simplest representation of availability (''A'') is a ratio of the expected value of the uptime of a system to the aggregate of the expected values of up and down time (that results in the "total amont of time" ''C'' of the observation window) : A = \frac = \frac Another equation for availability (''A'') is a ratio of the Mean Time To Failure (MTTF) and Mean Time To Repair (MTTR), or : A = \frac = \frac If we define the status function X(t) as : X( ...
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Load Following Power Plant
A load-following power plant, regarded as producing mid-merit or mid-priced electricity, is a power plant that adjusts its power output as demand for electricity fluctuates throughout the day. Load-following plants are typically in between base load and peaking power plants in efficiency, speed of start-up and shut-down, construction cost, cost of electricity and capacity factor. Base load and peaking power plants Base load power plants are dispatchable plants that tend to operate at maximum output. They generally shut down or reduce power only to perform maintenance or repair or due to grid constraints. Power plants operated mostly in this way include coal, fuel oil, nuclear, geothermal, run-of-the-river hydroelectric, biomass and combined cycle natural gas plants. Peaking power plants operate only during times of peak demand. In countries with widespread air conditioning, demand peaks around the middle of the afternoon, so a typical peaking power plant may start up a couple ...
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Thermal Efficiency
In thermodynamics, the thermal efficiency (\eta_) is a dimensionless performance measure of a device that uses thermal energy, such as an internal combustion engine, steam turbine, steam engine, boiler, furnace, refrigerator, ACs etc. For a heat engine, thermal efficiency is the ratio of the net work output to the heat input; in the case of a heat pump, thermal efficiency (known as the ''coefficient of performance'') is the ratio of net heat output (for heating), or the net heat removed (for cooling) to the energy input (external work). The efficiency of a heat engine is fractional as the output is always less than the input while the COP of a heat pump is more than 1. These values are further restricted by the Carnot theorem. Overview In general, energy conversion efficiency is the ratio between the useful output of a device and the input, in energy terms. For thermal efficiency, the input, Q_, to the device is heat, or the heat-content of a fuel that is consumed. The des ...
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RAMS
In engineering, RAMS (reliability, availability, maintainability and safety)''System safety''
Norwegian University of Science and Technology is used to characterize a product or system: * – as ability to perform a specific function and may be given as design reliability or operational reliability. * , – as ability to keep a functioning state in the given environment. *

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Nagarjuna Sagar Tail Pond
Nagarjuna Sagar tail pond is a multipurpose reservoir located 21 km downstream from the Nagarjuna Sagar Dam across the Krishna River near Satrasala in Nalgonda district, India. Its gross water storage capacity is 6 Tmcft. The reservoir water spread area extends up to the toe of the Nagarjuna Sagar dam. The project was completed by July 2014. Hydro electricity generation Two units of 25 MW each hydro power generation units were commissioned in the year 2017 by APGENCO to utilize the head available across the dam from the river flood water and the water released to Prakasam Barrage requirements. Peaking power generation Presently, the 700 MW reversible hydro turbines (7 x 100 MW) located at the toe of Nagarjuna Sagar Dam are unable to operate in pumping mode due to non availability of tail pond for storing the released water during the power generation mode. With the completion of tail pond, surplus electricity from the electricity grid would be used for pumping the water ...
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Polavaram Project
The ''Polavaram Project'' is an under construction multi-purpose irrigation project on the Godavari River in the Eluru District and East Godavari District in Andhra Pradesh. The project has been accorded National Project of India, National project status by the Government of India, Central Government of India. Its reservoir back water spreads up to the Dummugudem Lift Irrigation Scheme, Dummugudem Anicut (i.e. approx 150 km back from Polavaram dam on main river side) and approx 115 km on Sabari River side. Thus back water spreads into parts of Chhattisgarh and Odisha States. It gives major boost to tourism sector in Godavari Districts as the reservoir covers the famous Papikonda National Park, Polavaram hydro electric project (HEP) and National Waterway 4 are under construction on left side of the river. It is located 40 km to the upstream of Sir Arthur Cotton Barrage in Rajamahendravaram City and 25 km from Rajahmundry Airport. History In July 1941, the fir ...
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Srisailam Dam
The Srisailam Dam is constructed across the Krishna River in Nagarkurnool district , Telangana and Nandyal district, Andhra Pradesh near Srisailam temple town and is the 2nd largest capacity working hydroelectric station in India. The dam was constructed in a deep gorge in the Nallamala Hills in between Kurnool and Nagarkurnool districts, above sea level. It is long, maximum height and has crest gates. It has a reservoir of . Project has an estimated live capacity to hold 178.74 Tmcft at its full reservoir level of MSL. It's gross storage capacity is 6.116 cubic kms (216 tmc ft). The minimum draw down level (MDDL) of the reservoir is at MSL from its river sluice gates and corresponding dead storage is 3.42 Tmcft. The left bank underground power station houses reversible Francis-pump turbines for pumped-storage operation (each Turbine can pump 200 cumecs) and the right bank semi under ground power station houses Francis-turbine generators. Tail pond dam/weir loc ...
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PABR Dam
Penna Ahobilam Balancing Reservoir (PABR) is an irrigation project located across Penna River in Anantapur district of Andhra Pradesh state in India. Anantapur, Andhra Pradesh, Anantapur city gets its drinking water from the PABR. The reservoir with live storage capacity of 305 million cubic metres is mainly fed by Tungabhadra high level canal originating from the Tungabhadra Dam to the extent of 10 Tmcft water. A 20 MW hydro electric power station is also constructed at the dam site. After the death of eminent irrigation engineer K. Sriramakrishnaiah in the year 2002, the Penna Ahobilam balancing reservoir is renamed in memory of him as "Dr. K. Sriramakrishnaiah Penna Ahobilam balancing reservoir" by the Andhra Pradesh government. See also * MPR Dam, Mid Penna dam * List of dams and reservoirs in Andhra Pradesh References

Dams in Andhra Pradesh Buildings and structures in Anantapur district Year of establishment missing {{Anantapur-geo-stub ...
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