renewable sourcesof energy

Presentation of Sylwia Lewicka, PhD2-6 march, 2018

presentation summary❖ introduction

❖ wind energy

❖ sun energy

❖ water energy

❖ geothermal energy

❖ biomass

introduction

➢ energy units

➢ power plant - how it works? how it is build?

what is the transmission network?

➢ energy market - what does the price of electricity consist of?

➢ why there is a need to … to renewable energies?

introduction

➢ energy units

introduction

➢ examples of energy-saving lighting: LED bulbs, fluorescent lamps, halides

➢ energy efficiency classes

The information about: the annual energy consumption in kWh, noise level (in dB) and other

parameters depending on the type of electrical equipment (washing machine, refrigerator,

RTV, heater, etc.)

introduction

➢ layout and working of a power plantcontamination

in g/GJcoal power

station

CO2 94 600

SO2 765

NOx 292

solid particles 1 203

introduction

➢ layout and working of a power plant

introduction➢ energy market - what does the price

of electricity consist of?

cena

spr

zeda

ży

koszty bezpośrednie

ZYSK

Ogólne koszty handlowe

koszty marketingowe pośrednie

wynagrodzenia pośrednie

koszty marketingowe bezpośrednie

wynagrodzenia bezpośrednie

materiały bezpośrednie

marża brutto

koszty stałe

kosz

ty

pośr

edni

e

wind energy

wind energy

wind energy

wind energyBetz Law - the maximum theoretical efficiency of the

conversion of wind power to mechanical power is 59.3%

and the power of wind is proportional to the third power

of wind velocity

Bernoulli Equation - it is the law of energy conservation

in systems with the flow of air or liquid. The sum of

dynamic, static and hydrostatic pressures remains

constant.

= const.

v0, p0, z0 vk, pk, zk

AS

- wind energy - the model of mini wind power plant

★ how does the electric motor work?

★ electric meters - basics

★ what is LED? reverse and forward bias

★ where does the lifting force of the wind

turbine come from?

★ what are the gears and what are they

used for? basic types!

★ how does the electric motor work?

- wind energy - the model of mini wind power plant

★ electric meters

- wind energy - the model of mini wind power plant

★ what is a light emitting diode?

semiconductor, optoelectronic element emitting VIS, IR or UV light

- wind energy - the model of mini wind power plant

★ belt transmissions, chain transmissions, friction gears, gears

Transmission - a mechanical system used to transform the rotary motion of the propulsion engine into the working system.

- wind energy - the model of mini wind power plant

solar energy

solar energy

Solar panels is a set of photovoltaic

cells, usually connected in series. One

photocell works on the reverse side of

lighting the LED and is also an n-p type

semiconductor.

solar energy

solar energyCOLLECTORS vs PHOTOCELLS...

solar energyCOLLECTORS vs PHOTOCELLS...

the model of a simplesolar-powered rover

water energy

water energyThe generalized Bernoulli equation

allows to calculate how to transform

the difference in water mass height

into the mechanical energy

= const.

biomass energy

biomass energy➔ cultivated energy plants

➔ wood waste in forestry

➔ wastepaper

➔ waste from the agriculture and food

➔ industry

➔ animal production waste

➔ municipal and organic waste

★ non-cumbersome methods of energy acquisition★ no need of large technology investments★ decentralization★ significant reduction of emission of SO2 and CO2

energetic plantsannuals: oilseed rape, rye, flax fiber, maize

perennial: rosewood-colored rosemary, Virginia mallow, Jerusalem artichoke, knotweed, reed canary, giant and sugar Miscanthus, prairie spartina, Gerard's graminata, switch millet, short-rotation forest groves (willow willow, poplar, black locust)

biomass energy - biogas

geothermal energy

geothermal energy

geothermal energy➢ the most stable renewable energy source

➢ long-distance transport is unprofitable, hence only local

use

➢ low- and high-temperature geothermal energy

➢ high-temperature energy: deep recesses, geothermal

power plants

➢ low-temperature energy: deposits…, the use of heat

pumps

high temperature geothermal energy

low temperature geothermal energy

Thank you for your attention!