Water hammer causes power plant tragedy
A broken turbine at Russias biggest hydropower plant in the Siberian Republic of Khakassia sent a wall of water into the machine room, according to accident investigators.
Russia: 13 die in Siberian dam collapse - EMERCOM
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Thirteen people died when a dam collapsed in the Siberian Krasnoyarsk region, the Russian Emergencies Ministry reported on Saturday. A further 15 remain missing.
According to EMERCOM, Artel's gold mine dam collapsed at 6 in the morning local time (23:00 Friday GMT) near the village of Schetinkino on the on the Seyba River, flooding two working dormitories.
EMERCOM workers headed to the rescue operation from the city of Krasnoyarsk and the Republic of Khakassia.
After the incident 14 people were evacuated to the district hospital, three are in serious condition, 11 are in moderate condition, the Ministry of Health reports.
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Power plant disaster: dozens missing
At least 60 people are missing, feared dead, after an accident at a Hydro Electric plant in the Siberian Republic of Khakassia. Russias Emergencies ministry reports ten people have been killed and 11 injured after part of the plant was flooded.
Dozens missing after Hydroelectric station accident in Siberia Khakassia - RT 081709
Fatal dam blast
The disaster at Russias biggest power plant, which left dozens dead, could have been prevented, according to the head of the Russian Accounts Chamber.
4 Most Massive, Dangerous & Deadliest Dams in the World Urdu | دنیا کے سب سے خطرناک ڈیم |
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The Three Gorges Dam is a hydroelectric gravity dam that spans the Yangtze River by the town of Sandouping, in Yiling District, Yichang, Hubei province, China. The Three Gorges Dam has been the world's largest power station in terms of installed capacity (22,500 MW) since 2012.[5][6] In 2014, the dam generated 98.8 terawatt-hours (TWh) and had the world record, but was surpassed by the Itaipú Dam, which set the new world record in 2016, producing 103.1 TWh.[7]
Except for the locks, the dam project was completed and fully functional as of July 4, 2012,[8][9] when the last of the main water turbines in the underground plant began production. The ship lift was complete in December 2015.[10] Each main water turbine has a capacity of 700 MW.[11][12] The dam body was completed in 2006. Coupling the dam's 32 main turbines with two smaller generators (50 MW each) to power the plant itself, the total electric generating capacity of the dam is 22,500 MW.[11][13][14]
The Sayano-Shushenskaya Dam (Russian: Сая́но-Шу́шенская гидроэлектроста́нция, Sayano-Shushenskaya Gidroelektrostantsiya) is located on the Yenisei River, near Sayanogorsk in Khakassia, Russia. It is the largest power plant in Russia and the 9th-largest hydroelectric plant in the world, by average power generation. The full legal name of the power plant, OJSC [Open Joint-Stock Society] P. S. Neporozhny Sayano-Shushenskaya HPP [hydro power plant], refers to the Soviet-time Minister of Energy and Electrification Pyotr Neporozhny.[1] The head of the power plant is Valery Kyari.[2]
The plant is operated by RusHydro.[3] As of 2009, it was the largest power plant in Russia and the world's sixth-largest hydroelectric plant by average power generation. It provides more than a quarter of RusHydro's generation capacity.[4][5] The plant operated ten type РО-230/833-0-677 hydro turbines[6] manufactured at the Leningradsky Metallichesky Zavod, each with a capacity of 640 MW at 194-metre (636 ft) head.[7] The total installed capacity of the plant is 6,400 MW; its average annual production is 23.5 TWh, which peaked in 2006 at 26.8 TWh.
The Grande Dixence Dam is a concrete gravity dam on the Dixence at the head of the Val d'Hérémence in the canton of Valais in Switzerland. At 285 m (935 ft) high, it is the tallest gravity dam in the world, fifth tallest dam overall, and the tallest dam in Europe. It is part of the Cleuson-Dixence Complex. With the primary purpose of hydroelectric power generation, the dam fuels four power stations, totaling the installed capacity to 2,069 MW, generating approximately 2,000 GWh annually, enough to power 400,000 Swiss households.
The Nurek Dam (Tajik: Нерӯгоҳи обии Норак, Nerūgohi obii Norak, Tajik for Nurek Hydro-electric Station) is an earth-fill embankment dam on the Vakhsh River in Tajikistan. Its primary purpose is hydroelectric power generation and its power station has an installed capacity of 3,015 MW. Construction of the dam began in 1961 and the power station's first generator was commissioned in 1972. The last generator was commissioned in 1979 and the entire project was completed in 1980 when Tajikistan was still a republic within the Soviet Union, becoming the tallest dam in the world at the time. At 300 m (984 ft),[1][2][3] it is currently the second tallest man-made dam in the world, after being surpassed by Jinping-I Dam in 2013. The Rogun Dam, also along the Vakhsh in Tajikistan, may exceed it in size when completed.
В.Путин.Авария на Саяно-Шушенской ГЭС.21.08.09.Part 1
Prime Minister Vladimir Putin held a meeting on relief efforts following the accident at the Sayano-Shushenskaya hydropower plant and ways to ensure stable electricity supply to consumers of the Siberian energy system.Part 1
August 21, 2009
Republic of Khakassia
В.В.Путин провел совещание по вопросу «О ликвидации последствий аварии на Саяно-Шушенской ГЭС и организации работы по обеспечению устойчивого энергоснабжения потребителей объединенной энергосистемы Сибири»
21 августа 2009 года
Республика Хакасия
Vladimir Putin:A major accident, one of the largest accidents in recent history, happened at the Sayano-Shushensya power plant on Monday. People have died or are still missing. This is a grave tragedy. We have spoken with the rescue team and even these people, who have seen a lot in their line of work, say their nerves are frayed.
We will restore the plant, but lives have been lost. This is the most difficult part.
I would like to once again express my condolences to the families of the victims, and also to thank the rescue team, the medics and generation specialists who have dealt with the tragedy promptly and professionally, preventing the situation from taking an even worse, more tragic turn.
Our main goal now is to help those who have lost their relatives in the tragedy, and all those who have been affected. As you know, RusHydro has decided to pay 1 million roubles to the families whose relatives have died. This is a good decision, but it is not enough. Payments should also be made to the families of those whose relatives are missing. We know now what happened and why, and nobody must pretend that they don't know the reasons. Moreover, we should make additional payments, including to minors aged under 18.
One-off payments, of 1 million roubles, will be made to the families whose members have died in the tragedy or are missing, and one-off payments will also be made to other victims.
Legislation is not perfect, and we should improve it where possible. I am confident that the State Duma will react promptly, as soon as it reconvenes.
As I see it, the Government should be given a chance to respond to such events promptly and in the required amount.
I believe that the regional authorities should also take additional measures to help the people. You can take this as an order.
Mr Zimin (Viktor Zimin, Prime Minister of Khakassia), I know that you are working towards this end. I have drawn your attention to this issue during the conference call. I have seen that you met with people afterwards, and lists were compiled. However, we must also regard the problem informally.
We must also settle the problem of education for children from the victim's families, to be paid for from the budget.
And one more important thing - RusHydro and the Khakassian authorities must promptly take requisite measures with assistance from the federal Government to provide jobs to the people for the duration of the plant's repairs. This is a must.
Second, several explanations have been offered for the tragedy. Let me emphasise that we want to know the exact reason so as to prevent a repetition of such tragedies.
In general, we should check all strategic infrastructure facilities, scrutinising the process of their modernisation. This means also the introduction of new automated control systems. However, it is clear already now that we must improve compliance with technical, technological discipline. These issues merit special attention.
Third, at a meeting of the Government Presidium yesterday we decided that a government commission would be set up to monitor the relief efforts and the restoration of the Sayano-Shushenskaya power plant.
We should draft a clear plan of restoring the plant. This work has been entrusted to the Ministry of Energy and RusHydro, which must use all available possibilities in the sector, such as personnel and research and technical capabilities. The plan is to be drafted and submitted to the government commission within six weeks, and to be approved by a government resolution. We should allocate sufficient funds for these efforts. They money can and must be spent with maximum effect. If decisions are based on cutting-edge technology, relatively modest funds - modest compared to the cost of the power plant - will suffice to create a new type of power generation solutions.
Allocations from the federal fund will also be used to complete the construction of the onshore discharge sluice at the power plant. This is a planned effort, but its implementation should be accelerated. We were to commission the sluice in 2011, but now we should do it sooner.
В.Путин.Авария на Саяно-Шушенской ГЭС.17.08.09.Part 2
Prime Minister Vladimir Putin chaired a conference call on the Sayano-Shushenskaya Hydroelectric Power Plant accident at the National Emergency Management Centre.Part 2
August 17, 2009
В.В.Путин провел селекторное совещание по вопросам ликвидации последствий аварии на Саяно-Шушенской ГЭС в Национальном центре управления в кризисных ситуациях МЧС.
17 августа 2009 года
Vladimir Putin: All right, thank you. Daniyar Safiullin, head of the Siberian Regional Centre of the Ministry of Civil Defence, Emergencies and Disaster Relief, has the floor. What dangers do you expect? How do you assess casualties? Is the local population or environment threatened? What have you done to mitigate the danger, if any?
Daniyar Safiullin: This is Major General Safiullin, head of the Siberian Regional Centre.
First, repair works have begun, as the chief engineer mentioned, and public information is being released to prevent panic. The situation has been normalised in this respect.
Second, the chief engineer is correct in saying there is no threat of the plant collapsing. Third, there is no danger of flooding downstream settlements. Fourth, search and rescue operations have been organised in the four damaged areas, two of which, in the lower floors of the turbine room, require divers.
We have 222 rescue workers and medical specialists on site. The Interior Ministry has arranged for plant security. We have 62 officers guarding the plant, and another 140 spread around in the nearest settlements.
As for pollution, there was a machine oil release. Oil booms are being installed at the Mainskaya Hydroelectric Plant downstream. We are monitoring the situation farther downstream. No oil slicks have been detected anywhere at this point. We are reinforcing the deployed booms to prevent oil from penetrating the Mainskaya.
This is all I wanted to say.
Vladimir Putin: What makes you so sure flooding is ruled out?
Daniyar Safiullin: Our joint emergency team has assessed the situation. The dam shows no signs of physical damage and water discharge and flow levels, which, as the chief engineer mentioned, have received top priority to prevent a flood, and our calculations confirm this.
Mr Putin, I have inspected the river from a helicopter and have not seen any flooded areas.
Vladimir Putin: The plant is offline, so emergency equipment is necessary to provide water discharge. What equipment is available, and how is it delivered to the disaster area?
Daniyar Safiullin: Mr Putin, water continues to flow through the spillway. The spillway gates are open, and the discharge is now at its normal volume of 2,620 cubic metres a second. We have ordered pumps from the Federal Service for Defence Contracts to work in and under the turbine room. That's it.
Vladimir Putin: Good. Is the regional Governor there?
Viktor Zimin: Good afternoon, Mr Putin.
Vladimir Putin: Mr Zimin, from what we know so far, eleven or more died in the disaster, and many are missing. Please arrange urgent aid to the injured and to their families, and to the victims' families.
Viktor Zimin: We have done this. There are 25 rescue teams. They keep the public informed, and are checking the addresses of the 72 missing persons. A special police force and special rapid response detachments are working on the spot. Psychologists and other experts have come from the Medical Disaster Centre. We have established a psychological counselling hotline in Cheremushki township.
I have confirmed everything that has been reported. Electric power supplies in the Republic of Khakassia are normal. Power restrictions have been lifted at the larger industrial concerns like the Khakass and Sayanogorsk aluminium plants, and all the others are operating normally.
Vladimir Putin: Mr Zimin, I have asked you to provide aid to the injured and the bereaved. Police are all right-law and order must be maintained-but people need help.
Viktor Zimin: We are helping, Mr Putin.
Vladimir Putin: Take stock of all collected information, and make a list of all who need help-the Governor must know all the dead and injured, and their families.
Viktor Zimin: I do have such lists, and we are working with them.
Vladimir Putin: Good. Thank you.
Deputy Prime Minister Igor Sechin is here in the studio with us. Mr Sechin, major companies and municipal projects are without electricity due to the accident. What help can they expect?
Igor Sechin: Mr Putin, per your instructions directives have been issued to resume power to the major manufacturers whose supply was restricted or suspended entirely-in particular, the Kuznetsk Ferroalloy Plant, and the Novokuznetsk, Krasnoyarsk, Sayan and Khakass aluminium plants, which had no electricity at all.
Секретарь СЖР Леонид Никтинский: Аварию на СШГЭС пресса Хакасии освещает односторонне
В эксклюзивном интервью Интернет-журналу «Новый Фокус» секретарь Союза журналистов РФ, член Совета по правам человека при президенте РФ, обозреватель «Новой газеты», Леонид Никитинский поделился своими впечатлениями о судебном процессе по делу о катастрофе на СШГЭС.
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Yenisei River | Wikipedia audio article
This is an audio version of the Wikipedia Article:
Yenisei River
Listening is a more natural way of learning, when compared to reading. Written
language only began at around 3200 BC, but spoken language has existed long ago.
Learning by listening is a great way to:
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audio (audio article). You could even learn subconsciously by playing the audio
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This video uses Google TTS en-US-Standard-D voice.
SUMMARY
=======
The Yenisei (Russian: Енисе́й, Jeniséj; Mongolian: Енисей мөрөн, Yenisei mörön; Buryat: Горлог мүрэн, Gorlog müren; Tyvan: Улуг-Хем, Uluğ-Hem; Khakas: Ким суг, Kim sug) also Romanised Yenisey, Enisei, Jenisej, is the largest river system flowing to the Arctic Ocean. It is the central of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Ob and the Lena). Rising in Mongolia, it follows a northerly course to the Yenisei Gulf in the Kara Sea, draining a large part of central Siberia, the longest stream following the Yenisei-Angara-Selenga-Ider river system.
The maximum depth of the Yenisei is 24 metres (80 ft) and the average depth is 14 metres (45 ft). The depth of river outflow is 32 metres (106 ft) and inflow is 31 metres (101 ft).
Хакасия. СШГЭС
Дорога на подъезде с СШГЭС.
Yenisei River | Wikipedia audio article
This is an audio version of the Wikipedia Article:
Yenisei River
Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago.
Learning by listening is a great way to:
- increases imagination and understanding
- improves your listening skills
- improves your own spoken accent
- learn while on the move
- reduce eye strain
Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone.
You can find other Wikipedia audio articles too at:
You can upload your own Wikipedia articles through:
The only true wisdom is in knowing you know nothing.
- Socrates
SUMMARY
=======
The Yenisei (Russian: Енисе́й, Jeniséj; Mongolian: Енисей мөрөн, Yenisei mörön; Buryat: Горлог мүрэн, Gorlog müren; Tyvan: Улуг-Хем, Uluğ-Hem; Khakas: Ким суг, Kim sug) also Romanised Yenisey, Enisei, Jenisej, is the largest river system flowing to the Arctic Ocean. It is the central of the three great Siberian rivers that flow into the Arctic Ocean (the other two being the Ob and the Lena). Rising in Mongolia, it follows a northerly course to the Yenisei Gulf in the Kara Sea, draining a large part of central Siberia, the longest stream following the Yenisei-Angara-Selenga-Ider river system.
The maximum depth of the Yenisei is 24 metres (80 ft) and the average depth is 14 metres (45 ft). The depth of river outflow is 32 metres (106 ft) and inflow is 31 metres (101 ft).
СШГЭС: Жизнь без Истины - Интернет-журнал Хакасии Новый Фокус
Официальной причиной аварии на СШГЭС, названа усталостность в креплениях крышки турбины второго гидроагрегата. Проще говоря, дряхлые шпильки разорвало, напором воды сорвало крышку турбины и произошла трагедия.
У работников Саяно-Шушенской ГЭС версия о разорванных шпильках как о причине страшной трагедии вызывает недоумение.И есть от чего.
Комиссию экспертов, проводивших комплексную техническую комиссию и определившую официальную причину аварии на СШГЭС возглавил профессор, доктор технических наук, Дмитрий Копаница. Дмитрий Георгиевич подписал заключение о неисправности гидроагрегата номер 2 и усталости шпилек.
Самое удивительное, что профессор Копаница является специалистом в области деревянных и железобетонных конструкций и к гидроэнергетике не имеет ни малейшего отношения. На суде над обвиняемыми по делу СШГЭС, профессор не смог ответить ни на один вопрос защиты об эксплуатации гидроагрегата.
У работников СШГЭС нет сомнений. Всех подсудимых назначили виновными в катастрофе на СШГЭС. Суд сошлется на заключение профессора в области деревянных и железобетонных конструкций и осудит всех семерых. Это гораздо проще, чем найти истинную причину трагедии на СШГЭС. Осудить назначенных виновников аварии заинтересованы почти все. Стране и родственникам погибших надо показать, что виновники катастрофы получили по заслугам и это признал независимый российский суд.
Но это ни на миллиметр не приблизит родственников погибших, работников СШГЭС, жителей Хакасии, российское общество к ответу на вопрос: почему произошла трагедия? По какой причине погибли 75 человек? А пока истинная причина аварии не будет точно установлена, она может повториться вновь.
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Хакасия. «СШГЭС: «Последнее слово» - Интернет-журнал Новый Фокус www.khakasia.info
Последнее слово подсудимых по делу об аварии на СШГЭС
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