Power System Analysis Design
Réviser ces flashcardsGratuit · répétition espacée · iPhone, Android, Mac et web
Toutes les cartes
1
What are the four concerned study of electric power systems
Generation, Transmission, Distribution, Utilization
2
This involves the conversion of energy from a non-electrical form (such as thermal, hydraulic, or solar energy) to electrical energy
Generation
3
The formula for work where the mass move through a linear displacement in the direction of force
U = Fl
4
The formula of work when the displacement is not in the direction of force
U = Flcosa
5
1 joules is equivalent to what N.m?
1 J = 1 N.m
6
The capacity of a body to do work?
Energy
7
1 joules is equivalent to what Watts.Second?
1 J = 1 W.s
8
How many joules in 1 KWh
1 KWh = 3.6×10⁶ J
9
What are the two most important forms of mechanical energy?
Kinetic energy, Potential energy
10
An energy that has a virtue of it's motion?
Kinetic energy
11
What is the formula of kinetic energy?
KE = (½)Mu²
12
An energy that has a virtue of it's position?
Potential energy
13
What is the formula of Potential Energy
PE = Mgh
14
What is the usual unit of Thermal energy?
calories (cal)
15
One ____ is the amount of heat required to raise the temperature of one gram of water at 15°C through one Celsius degree
calorie
16
How many joules in 1 cal?
1 cal = 4.186 J
17
What is the equivalent of Joules and calories in 1 BTU?
1 BTU = 1.055 × 10³ J = 0.252 × 10³ cal
18
In what unit of Thermal energy and electrical energy usually expressed?
BTU = KWh = MWh
19
What's quad stands for?
Quadrillion British Thermal Unit
20
What is the equivalent in Joules and BTU in 1 quad?
1 quad = 10¹⁵ BTU = 1.055 × 10¹⁸ J
21
It is defined as the time rate at which work is done or the time rate of change of energy?
Power
22
The formula for instantaneous power?
p = (dU/dt) = (dw/dt)
23
1 watts is equivalent to what joules/second?
1 W = 1 J/s
24
The constant of proportionality “a” is also known as?
per-unit growth
25
What is the formula for doubling time?
td = (ln2/a) = (0.693/a)
26
The formula for energy consumed in one doubling period equals the energy consumed for the entire time prior to that doubling period.
Q1 = Q2 = (Po)(e^bt1)
27
What are the 5 major sources of energy
1. Fossil fuels (coal, petroleum, and natural gas)
2. Solar Radiation
3. Tidal energy
4. Geothermal energy
5.Nuclear energy
2. Solar Radiation
3. Tidal energy
4. Geothermal energy
5.Nuclear energy
28
An energy generator that transforms the kinetic energy of the wind into rotary shaft motion and, in turn to electrical energy.
Turbine-type wind energy
29
The formula for power in wind turbine?
P = 2.46 × 10^-3 D²U²
30
The potential energy of a mass of water at a hydraulic head is converted into the kinetic energy of a hydraulic turbine that drives an electric generator
Hydropower conversion
31
A flow rate of 1m³/s with a head of 100m provides what hydraulic power?
9.8 × 10⁵ W
32
This energy is obtained by closing off bay with a dam, allowing it to fill during periods of high tide, and recovering the energy as it empties during the periods of low tides.
Tidal energy
33
Formula for average tidal power
Pav = 0.219 H²
34
Solve for the potential energy, the given mass is 1000 kg, and height is 100m
9.8 × 10⁵ J
35
Formula for per unit growth?
M = Moe^at
Plus de flashcards : Sciences
Geology EXAM 1Sciences · AnglaisWrenUNIT AND DIMENSIONSSciences · AnglaisAbhinav6: Interparticle Interactions & Col StabSciences · AnglaisJackGCSE Edexcel Physics 5.HT - Electromagnetic WavesSciences · AnglaisKonradbài 3Sciences · VietnamienTonyPhysics Paper 2Sciences · AnglaisAmélieGenetics: GWAS and SNPsSciences · AnglaisSanavUSD BIO 311: Ecology Final ExamSciences · AnglaisAlaynaCollege Biology Sciences · Anglaisun étudiant OutLearn# 2. Ch. 4Sciences · AnglaisAngGCSE Edexcel Physics 12.1 - Magnetism Sciences · AnglaisKonradChemistry Sciences · Anglaismorgan
Révise ces decks dans l’app
Gratuit sur iPhone, Android, Mac et le web. Ajoute n’importe quel deck à ton compte en un tap.
