industrial visit report hydro power plant

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Hydropower field visit report

Nepal has endowed high potential of water resources, covering 395,000 ha (48%) area within 45,000 km in length of 6000 rivers with 170 billion m 3 annual runoff and 45,610 MW feasible hydroelectricity generation. Since 1911, 500 kW power generation at Pharping, now reached 782.45 MW production in 2016. Hydropower is an environment friendly source of energy with no pollution emitting in air or in land, and it also the most efficient method to all. Thus, traditionally hydropower has been considered environment friendly that it represents a clean and renewable energy source. This report provides the summarization of every important part of the Bijaypur-I Hydropower Project, Bijayapur field visit. This report mainly includes every site visited along with the sketches of each and every site along with their photographs, the location of the site, the observations made and the findings of the site including the techniques used, the description of the every component of Hydropower project like Headwork, Conveyance, Hydroelectric machines, etc. It also includes design criteria of different component and dimensioning and general arrangement of powerhouse as well.

Related Papers

Basu Bhandari

Technical Journal

Nisha Pokharel

Nepal has not utilized the potential of the water resources to the full extent. Systematic and wise development of such resources is of paramount importance for enjoying the maximum possible benefits. This study focused on the needs, challenges, and opportunities of new multifunctional small hydropower projects in Nepal. This study on Padhu Khola shows the possibility of incorporating other facilities along with hydropower for the locality’s socio-economic development. The selection of the best layout of the hydropower generation and distribution of other hydropower components showed that the stream Padhu Khola had a power potential of 1 MW. The economic analysis resulted in the benefit-cost ratio of freshwater aquaculture, drinking water plants to be 1.98 and 1.97 respectively. Other facilities like forestry, local employment facilities, and tourism development were found feasible and practicable.

Final year Hydropower Project

Sandeep Kshetri

The report’s main focus is on the study of Lower Mardi River Hydropower project for its feasibility analysis; the works included in this report are hydrological study, survey, development of contour maps of the site. The Mardi River is located in the Kaski district with catchment of 97.2 km2 at the point where preliminary location of head works is fixed. Lower Mardi River hydropower project has installed capacity of 2.61MW. Additionally, the flood analysis of river has been carried out with different methods so as to make the proposed weir capable of passing the flood discharge without any structural damage to the components of the hydropower. The flood discharge of approximately for a return period of 100 years has been calculated from Modified Dicken’s method. This report also includes the result of the survey works carried out in the project site. The survey data has been represented as the topographic map of the area of dam, power house and the probable alignment route of canal and penstock. On the second part of the project, design of components like: weir, headrace canal, sand trap, connecting channel, forebay, penstock, spillway, anchor blocks, turbine, powerhouse and tailrace. Weir was designed as Tyrolean weir with height of weir 5.5 m. The connecting canal of 100mlong supplies water to sand trap. Sand trap was of dimension179*5.7*6.9m .The sand trap and forebay were connected with canal of width 4m and 800m long. Spillway was designed in forebay and sand trap to discharge the excess of water. The forebay was 62.5 in length and 8.5m in depth. Then finally penstock was 200m long with diameter of 2.10m. The total cost of project was found to be NRs574.78 million, IRR 13.4 , B/C ratio 1.13 and payback period 8.24 years.

Ruzen Ghimire

ram gyawali

Hydropower has been recognised as a sustainable source of energy with almost zero input cost. Its benefits are that it is non-polluting in the sense that it releases no heat or noxious gases, it has low operating and maintenance cost, its technology offers reliable and flexible operation, and hydropower stations have increased efficiencies along with long life. Nepal's huge potential in hydropower is still untapped. Though Nepal has not yet been able to tap even one percent of its potential electricity capacity and 60 percent of Nepal's population is still deprived of electricity, it is fascinating to note that Nepal's start in 1911 in the hydropower generation almost dates back to a century. As a cheap, renewable source of energy with negligible environmental impacts, small hydropower has an important role to play in Nepal's future energy supply. Accordingly, micro-hydro system is becoming increasingly popular as an energy source in rural Nepal. Use of environmentally-friendly technologies and implementation of sound legal and institutional issues are critical to improve the reach of the population to hydropower. To make the Plan targets in the power sector a reality, directing more resources to the power projects focusing on rural population remains the prerequisite. The major strategies of the power sector have been appropriately identified as promoting private sector participation in power generation and distribution, integrating rural electrification with rural economic development programs, and strengthening power infrastructure. The immense role of the power sector in contributing to the generation of broad-based, sustainable and high level of economic growth as well as improving the relative competitiveness of the economy both on a regional and global basis makes it imperative that the programs and activities on power sector development as visualized in the plans and policies be given the utmost urgency, priority and focus.

Birendra Uprety

This paper basically gives insights on opportunities of small hydropower development and present status in Nepal. Also, focuses on energy supply situation with regard to hydropower development, particularly small hydro. Nepal, located on the lap of mighty Himalayas, has about six thousand rivers and rivulets hurling towards India with huge potential of hydropower generation. Being a small but rich in hydropower resources, Nepal, boasted its first hydropower plant way back in 1911. Considering the geographical situation, small and medium sized hydropower projects seem more suitable in Nepal. Despite 42,000 MW of economically feasible hydropower potential, less than 2% of this potential has been exploited so far. Hydropower plants having capacity between 100 kW and 10 MW are considered as small hydros. Government of Nepal (GoN) is trying hard in fulfilling the ever-increasing demand of electricity in the country-particularly in rural areas. After the promulgation of Hydropower Development Policy 1992 and revised Hydropower Development Policy 2001, apart from the traditional public sector, private investors and local communities/co-operatives also have shown keen interest in generation and distribution of electricity in the country. In 1974, Small Hydel Development Board (SHDB) was established. The main objective of the establishment of SHDB was to implement small scale – isolated type hydropower plants up to 5000 kW and supply electric energy to the surrounding areas of the plant. To date, forty six small hydropower plants are in operation in Nepal with total capacity reaching nearly 50 MW. Also, there are about 1500 mini-micro hydropower plants-including portable type Pelton sets-supplying limited electricity in far-flung villages of the country mainly for lighting purpose. Two important gatherings "Hydropower Invest Mart 2006" and " Power Summit 2006 " were held in Kathmandu last year as a common forum of all stakeholders who can contribute towards the speedy and sustainable development of hydropower. Many investors and experts had participated in those meetings and highlighted many important issues regarding hydropower development in Nepal.

asmelash tesfay

Surendra Pathak, P.E., M.ASCE

subash sharma

Repa Proceeding Series

Habiburahman Shirani

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REPORT OF EDUCATIONAL VISIT AT Koyna DAM’s HYDRO-ELECTRIC POWER PLANT

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Report on “industrial visit to varahi hydro power plant”.

Mechanical Department of NHCE had organized an industrial visit on 5 th  October 2023 for the  scholars of Mechanical Engineering ( 7th SEM) in order to get the practical knowledge about advanced technology used in the generation of “ High Voltage Current using Hydro- Electric ” at Varahi underground power house . The visit was organized by the HOD of ME Department Prof. Rakesh.C and it was coordinated by, Mr. Shashidhara. There were 24 students along with 1 faculty.

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Dr. D.Y. Patil School of Engineering - REPORT ON Educational Visit Report To Hydropower Generation Plant At Pawna Dam, Pune

Program Name: Educational Visit Report To Hydropower Generation Plant At Pawna Dam, Pune Program Date: 18TH SEPTEMBER 2017 Venue: Pawna Dam, Pune

Organizer: DEPARTMENT OF CIVIL ENGINEERING

Activity : An educational site visit to hydropower plant at Pawna Dam, Pune was organized by department of civil engineering of Dr. D. Y. Patil School Of Engineering, Lohegaon, Pune on 18th Sept. 2017. As per Pune University guidelines and recommendations regarding syllabus of T.E. civil engineering the site visit was organized. The visit was organized successfully with the prior permission and guidance of honorable principal of Dr. D. Y. Patil S.O.E. Dr. S. S. Sonavane sir and by the initiative and hard effort of Prof.S.P Bijwe and Prof.T.V.Salunke.

For brief report Click Here

Abnormally Dry Canada Taps U.S. Energy, Reversing Usual Flow

Lower-than-normal rain and snow have reduced Canada’s hydropower production, raising worries in the industry about the effects of climate change.

Canadian hydroelectric plants, like the Robert-Bourassa Generating Station in northern Quebec, have faced low water levels because of a recent drop in rain and snow. Credit...

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By Ivan Penn

Photographs by Ruth Fremson

Reporting from Hydro-Québec’s Robert-Bourassa Generating Station, Montreal and Portland, Ore.

• June 3, 2024

In February, the United States did something that it had not done in many years — the country sent more electricity to Canada than it received from its northern neighbor. Then, in March, U.S. electricity exports to Canada climbed even more, reaching their highest level since at least 2010.

The increasing flow of power north is part of a worrying trend for North America: Demand for energy is growing robustly everywhere, but the supply of power — in Canada’s case from giant hydroelectric dams — and the ability to get the energy to where it’s needed are increasingly under strain.

Many energy experts say Canadian hydroelectric plants, which have had to reduce electricity production because of a recent drop in rain and snow, will eventually bounce back. But some industry executives are worried that climate change, which has already been linked to the explosive wildfires in Canada last year , could make it harder to predict when rain and snowfall will return to normal.

“We’ve all got to be humble in the face of more extreme weather,” said Chris O’Riley, president and chief executive of the British Columbia Hydro and Power Authority, which operates hydroelectric dams in western Canada. “We manage from year to year the ups and downs of water, and when we have the downs like we’re having, the lower levels, it’s common for us to import power, and we expect to continue that this year.”

The United States and Canada have long relied on each other because power use tends to peak north of the border during the winter when Canadians use electric heaters, and American electricity use peaks in the summer during air-conditioning season.

The abundance of Canada’s hydroelectric power has been a cornerstone of the trade, providing relatively low-cost renewable energy to California, Oregon, Washington State, New York State and New England.

But the supply-and-demand equation for energy is changing. Demand for electricity in many states has been climbing sharply in summer and winter. Some experts predict that winter electricity demand in the United States could eclipse summer demand by 2050.

At the same time, utilities are increasingly reliant on intermittent resources like solar and wind power. Large hydroelectric plants, once considered a stable source of electricity, have struggled with low reservoirs in California, around Hoover Dam and recently in Canada.

“We are facing real changes in the weather, and we’re finding out in real time how that’s going to affect hydroelectric operations, pretty much across North America,” said Robert McCullough of McCullough Research, a firm based in Portland, Ore., who has been a consultant for corporate customers of Canadian utilities since the 1980s.

In addition, electricity use is expected to climb as people and businesses turn to electric heat pumps, cars and industrial equipment to replace devices that burn oil, natural gas and coal. Demand is also growing because of data centers .

One solution is to build more power lines, something the Biden administration and some states are working on. But energy experts say the United States also ought to add more such connections to Canada. That would allow, for example, solar farms in California to supply Canada when its dams don’t have enough water and for Canadian utilities to send more power south when they have an abundance.

“Most models suggest that a more interconnected grid is a better grid,” said Shelley Welton, a presidential distinguished professor at the University of Pennsylvania who helped write a recent report on electric grid reliability and governance. “I do think there is power in being interconnected across North America. We need scenario planning. We need long-term planning.”

Set among the pine and spruce trees of northern Quebec, the Robert-Bourassa hydroelectric dam represents the promises and challenges inherent in harnessing renewable energy.

The plant’s operator, Hydro-Québec, a utility owned by the Canadian province, built the power plant on a bank of La Grande River as part of a network of stations that can produce more than twice as much electricity as the largest U.S. power plant — the Grand Coulee Dam on the Columbia River in Washington State.

The La Grande complex has helped Hydro-Québec become a leading supplier to New York State and New England. But less snow than normal has forced Hydro-Québec and other Canadian utilities to import more power from the United States in recent months.

“It looks like conditions are abnormally dry,” said Gilbert Bennett, president of Water Power Canada, a nonprofit that represents the hydropower industry. “The year-to-year variations are becoming large.”

Hydro-Québec executives say they expect the dry spell to end soon, citing similar stretches in 2004 and 2014. Models predict an increase in precipitation of 6 to 8 percent for eastern Canada over the next 25 years, the company said.

Serge Abergel, chief operating officer for Hydro-Québec Energy Services, said Canada’s greater reliance on the United States had been a temporary way for hydro plants to save their water. He added that as both countries modernized and expanded their grids with more renewable and efficient resources, they would be able to complement each other.

“The transition is also creating opportunities,” Mr. Abergel said during a recent tour of the Robert-Bourassa dam. “You optimize these resources.”

In general, the United States would prefer to import more power from Canada because it’s much cheaper. Hydro-Québec’s residential customers pay about $50 for 1,000 kilowatt-hours of energy, Mr. Abergel said, compared with $236 in New York State and $276 on average in New England .

The company’s costs are low because its hydro plants were built and paid off long ago. But bringing that affordable power south is expensive — Canadian hydro energy costs homeowners in Massachusetts twice as much as it does residents of Quebec, according to an analysis by McCullough Research.

Hydro-Québec has been building more power lines. It is taking part in one project, the Champlain Hudson Power Express , which is expected to be completed by mid-2026. The $6 billion, roughly 339-mile-long transmission line will connect a substation in La Prairie, near Montreal, to a converter station in Astoria, Queens. The line will be able to deliver enough energy to serve more than a million homes in New York City.

“If you want to transition quickly, you need more transmission,” Mr. Abergel said. But, “we’re not incentivizing someone to come up with solutions,” he added. “We’re doing things piecemeal.”

Mr. Abergel said Hydro-Québec would meet all of its obligations to New York and other states despite the dry conditions because it can preserve water by reducing how much electricity its hydro power produces and importing more energy from the United States. This way, the company will still have enough water to export power when energy demand is higher in New York and New England.

But some energy experts are not so sanguine. Mr. McCullough, the consultant, said he worried that global warming could so strain reservoirs that it would no longer be feasible for Canadian utilities to keep enough water in reserve to make it through a very long dry spell.

“Each time we have one of these episodes,” Mr. McCullough said, “it’s a white-knuckle moment.”

How dependent the utilities in the United States and Canada are on each other is on stark display in Oregon. Portland General Electric, a utility serving about two million residents in the state, tracks water flows and snowpack in British Columbia from an operations center near Portland.

When drought and wildfires threaten areas around the Columbia River, hydroelectric plants and transmission lines that connect Canada, Washington, Oregon and California become vulnerable.

“What we’re really concerned about right now is the snowpack is low in Canada,” said Darrington Outama, senior director of power operations at Portland General Electric. “What we focus on as a region is how are they doing up there.”

In addition to importing electricity from British Columbia, PGE gets power from two small hydroelectric plants in the Bull Run watershed east of Portland.

Oregon’s Bull Run rainforest does not get water from the Columbia River. But a severe wildfire like one last summer could force officials to shut down those dams and stop drawing water from Bull Run. If that happened, Portland would have to rely on groundwater, which could in turn affect the Columbia River and hydroelectric dams tied to it.

“We have to think about all of the scenarios,” Kristin Anderson, water resources program manager for the Portland Water Bureau, said during a tour of the Bull Run. “We’ve been seeing more rapid shifts of weather moments. We’re planning throughout the season to be ready for anything.”

Hydroelectric plants often are the lowest priority for water use. As a result, wildfires, low snowpack and drought can lead to significant reductions in their production. If demand for electricity is high at the same time, regional energy grids could buckle.

“There were these historic patterns of power from north to south,” Mr. O’Riley of British Columbia Hydro said. “All of those patterns have been upended. Power’s flowing in all different directions.”

In a twist, California, which suffered a severe drought in recent years, has lately been awash. Blizzards, atmospheric rivers and other storms have covered the state’s mountains in snow and topped off reservoirs, enabling its dams to crank out lots of electricity.

The state also recently installed many large batteries that allow utilities to use the abundant solar power for hours after the sun has set.

California’s energy plenitude should be a boon to British Columbia, Oregon and Washington State, but energy executives said there weren’t enough transmission lines to carry all of that surplus electricity north where it is needed.

Ivan Penn is a reporter based in Los Angeles and covers the energy industry. His work has included reporting on clean energy, failures in the electric grid and the economics of utility services. More about Ivan Penn

Ruth Fremson is a Times photographer, based in Seattle, who covers stories nationally and internationally. More about Ruth Fremson

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An Industrial Visit Report Ukai Hydropower Plant Visit Report

An Industrial Visit Report

Ukai Hydropower

Plant Visit

September, 2019

1 | P a g e

1. Introduction

The river Tapi is the second largest west flowing river in India. It has its origin at Mulati in Betul

District of Madhya Pradesh. The river has a total length of 720 km out of which 208 km lies in the

Madhya Pradesh, 323 km in the Maharashtra and 189 km in Gujarat. It ultimately meets the Arabian

Sea approximately 19.2 km west of surat in Gujarat.

Ukai Project is the largest Multipurpose Project undertaken by the state and is only next to Narmada

Project, so far as benefits are concerned. The Ukai Hydro Power Station is located at Ukai Dam on

River Tapi in Tapi district of Surat.

There are four hydro turbine units, each of 75 MW with a total installed capacity of 300 MW. All the

above units were made by BHEL. Commissioning dates of units 1 to 4 are: 8 July 1974, 13 December

1974, 22 April 1975 and 4 March 1976.

2 | P a g e

The Ukai Left Bank Canal (LBC) Hydro Power Station is located at Left Bank Cannel of Ukai Dam

on Tapi River in Tapi District. There are two units of hydro turbine each of 2.5 MW with a total

installed capacity of 5 MW. All the above units are of BHEL make. Commissioning dates of unit no.

1 and 2 are 08.12.1987 and 19.02.1988 respectively.

The functions of the project are:

1. Irrigation

2. Power Generation

3. Flood Protection

4. Fisheries Development

Facts About UKAI Dam

I. UKAI Dam is constructed over Tapti River and located at 94 kilometers distance

in Surat, Gujarat. This dam was intended with dual services, Irrigation of

surrounding area in well manner as well as generation of hydroelectricity. This

dam is also known as Vallabh Sagar.

II. Flood Control was another reason to construct this dam. Surrounding area of the

river Tapi in Surat district had faced severe flood attacks in the past.

3 | P a g e

2. All about Ukai Dam

The Ukai Dam, constructed across the Tapi River, is the second largest reservoir in Gujarat after

the Sardar Sarovar. It is also known as Vallabh Sagar. Constructed in 1972, the dam is meant for

irrigation, power generation and flood control. Having a catchment area of about 62,255 km2 and a

water spread of about 52,000 hectares, its capacity is almost same as that of the Bhakra Nangal Dam.

The site is located 94 km from Surat.

The storage capacity of Ukai dam is almost 46% of the total capacity of all the other existing dams in

Gujarat if put together. Thus it can be concluded that the rest of the dams have as little as 0.1%

average storage capacity. During the last 40 years, the actual irrigation potential is attained through

all the major and medium water resources projects in the State, which comprises only 14 million

The dam is an earth-cum-masonry dam. Its embankment wall is 4,927 m long. Its earth dam is

105.156 meters high, whereas the masonry dam is 68.68 meters high. The dam's left bank canal

feeds water to an area of 1,522 km2 and its right canal provides water to 2,275 km

A fort built by the Gaekwad dynasty of Baroda was submerged in the reservoir. It has been spotted

when water levels in the reservoir went down.

4 | P a g e

2.1 Salient Features

Construction cost of DAM 180.74 Cr

Max. Dam Level 1990-91 346.17 Feet

Min. Dam Level 1979-80 268.30 Feet

Main Hydro Total Cost 22.87 Cr

Commissioning date of Main Hydro Units

Unit # 1 (75 MW) 08-07-1974

Unit # 2 (75 MW) 13-12-1974

Unit # 3 (75 MW) 22-04-1975

Unit # 4 (75 MW) 04-03-1976

Max. Generation (for Monsoon Year) 1976-77 1261.217 Mus

Max. Generation (Monthly) Sept-2013 221.267 Mus

Max. Generation (Daily) 25-09-1998 7.689 Mus

Ukai hydro power station has been declared 3rd best performing station in India during

2006-2007 year and awarded Bronze shield for the same by Ministry of Power, New Delhi.

Previous record of generation (210.100 Mus) is break in September 2013 by 221.267 Mus.

5 | P a g e

3. Ukai Hydro Power Station

There are three basic stages of hydro power station to generate electricity.

1. Spillway

3. Generator

3.1 Spill Way

Specification of Spill Way is given below

1 Spill Way Channel Length = 1524 Meter,

Width = 259 Meter

Depth = 18.29 Meter

2 Spill Way Gates 1) Numbers = 22 nos

2) Types = Redial Gates.

3) Area = 15.545 m × 14.783 m.

4) Weight = 100 Tones Each.

3 Discharge Capacity 49490 m3/sec.

Maximum=59920 m3/sec

4 Over all Crest Length 425.195 m.

6 | P a g e

3.2 Turbine

Specification of turbine is given below

1 Type Reaction Type, Kaplan, Vertical Shaft, Feathering

propeller type.

2 Make Bharat Heavy Electricals LTD.

3 Head 1) 47.8 m (156.82 ft.) Rated Head.

2) 57.2 m (18.66 ft.) Max head.

3)34.4 m (112.86 ft.) Min head.

4 Output power 1) 1,05,000 Metric HP

2) 1,20,750 Metric HP Max

5 Speed 150 RPM (clockwise rotation)

6 Run away Speed 1) 300 RPM with cam

2) 350 RPM Without Cam

7 | P a g e

7 Water Discharge 6000 cusec (101 m^3/sec) at 75 MW.

8 Nos. of guide Vanes 24 nos.

9 Size of guide vanes 6660 mm × 19.4 mm

10 Main shaft dia. 900 mm

11 Runner hub dia. 3160mm

12 Runner blades 6 nos. Each having Weight of 5 tones & design to

withstand 1700 tones hydraulic.

13 Spiral inlet dia. 6500 mm

14 Largest transport item of turbine Inner top cover half size 6.1m × 3.5m × 3.0m

15 Efficiency 98 % at the full water level.

16 Weight of turbine with shaft And

runner disc

17 Bearing Turbine guide bearing 1 no having 8 nos. pads.

8 | P a g e

3.3 Generator:

Specification of generator is given below

1 Nos. of Generator 4 Nos

2 Sr. no. of Generator 3000107, 3000108, 3000109, 3000110 respectively

3 Type G25 Vertical Umbrella Type Salient Pole

Rated 83333 KVA, 0.9 p.f., 11KV (± 5%)

3 phase, 4370 AMPS.

Rated KVAR 56000 at Zero leading P.F.

4 Make Bharat Heavy Electrical Ltd.

5 Stator Windings: Slots 384, winding coils 384

Joint 1) Series joint 264

9 | P a g e

2) Pole to pole joint 108

3) Bus Bar joints 12

Stator resistance per phase at 200=0.003415 ohm.

Field resistance at 200 C=0.15 ohm.

Rotor excitation at no load & 100% voltage= 608 amp.

Rotor excitation at rated output & voltage = 1052 Amp.

Excitation voltage = 180 v.

6 Speed 150 RPM

7 Overall dia. 4127.5 ×2 =8255.0 mm

8 Heaviest package for shipment

Thrust bearing housing size 04.34m long × 4.12 m width × 2.6 m high having weight

9 Weight of generator side 275 MT

10 Heaviest assembly to be lifted by crane weighting 220 tones.

11 Bearing 1 no – thrust bearing having 12 pads.

1 no – Generator guide bearing having 24 pads.

10 | P a g e

4. Activities

The aim of Ukai Visit was to introduce students with practical approach of plant handling. With this

aim, Electrical Engineering Department of Sarvajanik College of Engineering and Technology

(SCET), had organized an industrial visit to Ukai Hydropower Plant, Ukai on 20th

Sep 2019. In total

48 students from 5th

Semester, Electrical Engineering-M Department with 3 faculties visited the

The purpose of this Industrial visit was to provide an excellent opportunity to all the students &

faculties, to interact and know more about industrial environment. The intention was to help the

students to create a practical perspective on the World of Engineering.

The bus departed for Ukai at 7:30 AM from SCET premises. It arrived at Ukai at around 10:15AM

with one stoppage (for breakfast). We took entry in Power Plant at 10:30 AM. In the visit, authorities

greeted us on the Gate-Pass section. We all moved to the main site of the plant. After that, we moved

to the Control Department of hydro power plant. Then, one of the engineers from the plant explained

the working of Hydro power plant with the help of Schematic Diagram of the plant. Also we are

thankful to him for assisting us and clearing all the doubts and queries regarding Hydropower Plant.

Control System Department at Ukai Hydro Power Station, Ukai

Chief Control Engineer explained all the component of control room. They give brief information

regarding monitoring and controlling. All the control of the whole generation system was controlled

from the control room containing different control switches and digital panels. Later they discussed

about the various activities in plant and in nearby area.

11 | P a g e

Then we were introduced with Hydro turbine section where we studied the generation of power with

the help of turbine, generator and coupling. There are 4 units of hydro turbine each of 75MW with a

total installed capacity of 300MW. All the above units were engineered and manufactured by BHEL.

One of the engineers had given overview of the working of the Hydro Turbine, Generator and the

other units. The water from the dam was passed from turbines to generate the electricity, which was

then generated by the generator. This way, the complete information regarding each and every

section of the plant was given by the allotted engineers and they also briefly explained regarding

how this power generation was actually taking place.

Switch Yard & Distribution System at Ukai Hydro Power Station

We had observed the whole grid system containing generators, transformers, and switch gear. This

way we concluded the visit by showing appreciation to all the engineers and the authorities of Ukai

Hydropower Plant.

On the way back to college, we praised the scenic beauty of Ukai and captured some photographs.

Also we had lunch at “Hotel Ashirwad” before departure.

12 | P a g e

5. Glimpse of Visit

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2024 World Hydropower Outlook

The World Hydropower Outlook, a flagship annual publication by IHA, tracks and directs the progress of hydropower development globally against net zero pathways. Drawing upon exclusive new development insights from IHA’s global database, it features in-depth analysis of hydropower’s growth trajectory. The report highlights policy and financial investment challenges and examples of good progress.

• Global hydropower fleet grows to 1,412GW in 2023 but five-year rolling average shows downward trend
• A growth rate of just over 26GW per year from now to 2030 is needed to stay on track with net zero targets
• Hydropower is the largest single source of renewable energy, with pumped storage hydropower providing more than 90% of all stored energy in the world
• It is estimated that around double the amount of hydropower that is currently installed is needed for net zero scenarios by 2050
• To double hydropower capacity by 2050, a cumulative investment of approximately US$3.7tn is required, or about US$130bn annually. This equates to more than double the current level of funding
• IHA’s assessment of the “big 100” pipeline of projects under development indicates that this acceleration is within reach for the early years of the next decade, but more action is needed over the longer term.
• Hydropower is among the best ways to mitigate for droughts. IHA estimates that through the water storage function of its reservoirs, the hydropower industry prevents over US$130bn in annual GDP losses from drought incidents

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