|
microhydro.ie
Woonplaats: | 1 | Upvotes received | 0 |
Downvotes received | 0 |
Karma: | 0 (upvotes-downvotes) |
|
0 earned Badges No badges were found
Definitions (26)
1 |
0
0
free map survey
» HomeAbout MicroHydro.ieWhat is Hydroelectricity?ServicesCase StudiesContact Us You are here: Home -> What is Hydroelectricity? -> Glossary of Hydroelectric DefinitionsA A Glossary of Hydroelectric Terms and Definitions
Meaning awaits approval from a moderator |
2 |
0
0
alternating current
A continuous electric current that periodically reverses direction, usually sinusoidal.
Meaning awaits approval from a moderator |
3 |
0
0
ampere
The ampere is a measure of the current, or the amount of electric charge passing a point per unit time.
Meaning awaits approval from a moderator |
4 |
0
0
average annual energy production
The total energy generated annually by a power station, on average over a period of time of full operation or since the start of full operation, measured in kilowatt-hours (GWh).
Meaning awaits approval from a moderator |
5 |
0
0
cavitation
Noise or vibration causing damage to the turbine blades as a results of bubbles that form in the water as it goes through the turbine which causes a loss in capacity, head loss, efficiency loss, and the cavity or bubble collapses when they pass into higher regions of pressure.
Meaning awaits approval from a moderator |
6 |
0
0
current
The flow of electricity through a conductor, measured in Amperes.
Meaning awaits approval from a moderator |
7 |
0
0
draught tube
A water conduit, which can be straight or curved depending upon the turbine installation, that maintains a column of water from the turbine outlet and the downstream water level.
Meaning awaits approval from a moderator |
8 |
0
0
efficiency
A percentage obtained by dividing the actual power or energy by the theoretical power or energy. It represents how well the hydropower plant converts the energy of the water into electrical energy.
Meaning awaits approval from a moderator |
9 |
0
0
head
Vertical change in elevation, expressed in meters, between the head water level and the tailwater level.
Meaning awaits approval from a moderator |
10 |
0
0
green energy
Electricity generation considered to be less intrusive environmentally than traditional generation.
Meaning awaits approval from a moderator |
To view all 26 definitions, please sign in.