Electric potential energy and electric potential difference are related concepts in electrostatics. Electric potential energy is the energy stored in a charge due to its position in an electric field, and increases as a charge is moved against an electric field. Electric potential difference, or voltage, is the change in electric potential energy per unit charge between two points. A higher voltage means a greater change in electric potential energy for a given charge. Work must be done to move a charge from a low potential to a high potential point in an electric field.
Design, Simulation and Verification of Generalized Photovoltaic cells Model U...IDES Editor
This paper presents the implementation of a
generalized photovoltaic model of PV cell, module, and array
model applicable for mono crystalline, poly crystalline silicon,
thin film like CIS, CdTe, Amorphous silicon, polymer from
various manufacturers on Matlab/Simulink simulation
software platform using first principle method. This model is
known to have better accuracy estimation of electrical
behavior of the cell with respect to changes on environmental
parameter of temperature and irradiance. All inputs to the
model can be easily extracted from standard PV module
datasheet. The functioning of the proposed model is evaluated
by simulation. The accuracy of the simulation is verified by
comparing output current and power characteristics of PV cell
with datasheet provided by PV cell manufacturers
Design, Simulation and Verification of Generalized Photovoltaic cells Model U...IDES Editor
This paper presents the implementation of a
generalized photovoltaic model of PV cell, module, and array
model applicable for mono crystalline, poly crystalline silicon,
thin film like CIS, CdTe, Amorphous silicon, polymer from
various manufacturers on Matlab/Simulink simulation
software platform using first principle method. This model is
known to have better accuracy estimation of electrical
behavior of the cell with respect to changes on environmental
parameter of temperature and irradiance. All inputs to the
model can be easily extracted from standard PV module
datasheet. The functioning of the proposed model is evaluated
by simulation. The accuracy of the simulation is verified by
comparing output current and power characteristics of PV cell
with datasheet provided by PV cell manufacturers
STUDY OF THE EQUIVALENT CIRCUIT OF A DYESENSITIZED SOLAR CELLSAEIJjournal2
The dye-sensitized solar cells (DSSC) have gained the last decades an important place among photovoltaic technologies due to their low-cost of implementation and their performance, which becomes more efficient. The experimental data for this type of cells are enriched and accumulated quickly, given the enthusiasm for this new technology. The present work treats the equivalent circuit of a dye-sensitized solar cell (DSSC) for a model in an exponential, and by using the results of some works, we shall make a simulation by the software Scilab to obtain the characteristics (I-V), then we will study the influence of every parameter on the curve.
STUDY OF THE EQUIVALENT CIRCUIT OF A DYESENSITIZED SOLAR CELLSAEIJjournal2
The dye-sensitized solar cells (DSSC) have gained the last decades an important place among photovoltaic technologies due to their low-cost of implementation and their performance, which becomes more efficient. The experimental data for this type of cells are enriched and accumulated quickly, given the enthusiasm for this new technology. The present work treats the equivalent circuit of a dye-sensitized solar cell (DSSC) for a model in an exponential, and by using the results of some works, we shall make a simulation by the software Scilab to obtain the characteristics (I-V), then we will study the influence of every parameter on the curve.
Zuken - Improve pcb quality and cost with concurrent power integrity analysis...Zuken
This presentation will look at the increasing challenges with power distribution systems on modern high-speed PCBs.
This presentation will consider:
a)The problem:
-
IC input impedance behavior
-
Resonance behavior of PDS.
- Role of decoupling capacitors
b)
EDA methodology for concurrent power integrity simulation throughout PCB design process.
2. Electric vs. Gravitational Gravitational Electric
Potential Potential
Energy E Energy
g
Increases Increases
Potential Energy
-
+
• Work is needed to
push an object • Work is needed to
against gravity and push a charge
give it Potential against a field and
Energy (PEg) give it Electric
Potential Energy
3. Allesandro Volta
Uniform Electric Fields
(Italian: 1745 – 1827)
Parallel Plates
Point
charge
Note the field lines
Uniform electric field
4. Low
Potential
Potential Difference
Potential Energy &
Energy
+++++++++ Low
2– – Potential
E Energy
High
Potential
--------- Energy
Higher Why does this one
Potential have more potential
Energy energy?
6. Some stuff you should remember:
Potential Energy & W= ΔPE
W= F d
Fon test= q E
charge
Some new stuff
W= ΔPE
ΔPEelectric F dE d
W== q
Fon test= q E Only for uniform
charge electric field
Why?
7. Potential ΔElectric Potential Energy (J)
Difference = Charge of particle (C)
(V)
Potential Energy &
Potential Difference Voltage (scalar or vector)
What does voltage actually measure?
– Measures how much energy a charge
will gain/lose
– Measures how much work that can be
done by a charge
ΔPEelectric
ΔV = q
ΔV = qEd = kQ d = kQ
r
q 2 r r
fyi: k = 1/(4πεo) εo=8.85 x 10-12 C2/Nm2
8. +++++++++
E
Potential Energy &
2–
–
---------
Which of these has
greater electrical potential
energy per charge?
Same ELECTRIC POTENTIAL
more ELECTRIC POTENTIAL
ENERGY
9. +++++++++
Potential Energy &
2– –
E
---------
WhichWhich of has experienced
of these these has
a greater change in electrical
experienced a greater
potential energy per charge?
change in electrical
potential energy?
10. Battery gives the
electron 12 J of
Potential energy
e “loses” energy as it
travels through the
circuit.
Analogy
12 V
0V
Battery “gives” energy back
to electron to repeat cycle
11.
12. • Sample Problem
The electric field is 625 N/C between 2
Potential Energy &
large charged parallel plates are 4 cm
apart.
a. What is the electric potential difference
between the plates?
b. What work will you do to move a proton
from the – to the + plate?
+ + +
E = 625 N/C
D = 0.04m d = 0.04 m
– – p+ q = 1.6 x 10-19 C
–
a) V = E d b) W = PEe = q ∆V
= (625N/C)(0.04m) = (25 V)(1.6 x 10-19C)
= 25 V PEe = 4.0 x 10-18 J
13. Electric Electric Electric
Potential Potential, Potential
Potential,
Energy Difference
Voltage
Defin- Total Energy per Change in
Key Ideas
ition Potential charge voltage
Energy
Unit Joules Volts Volts
(J/C) (J/C)
Equation PEe= kQq/r V = PE/q ΔV = ΔPE/q
= qEd
= qV
14. W = Fd F = kQq/r2
W = kQq/r2 r
Hidden Equations
W = kQq/r = PEelectric
if PEelectric = W = qV V = kQ/r
k = 1/(4πεo)
εo=8.85 x 10-12 C2/Nm2