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In the PSCAD/EMTDC model has developed a new model component
of the power cable that includes the AC loss of the superconductor changes to
the magnitude of the current across the AC current and the resistance with
being measured the experiment using the model simulation to develop the
component with the PSCAD/EMTDC software and the simulation results are the same
with results and the simulation carried out to showed that the PSCAD/EMTDC
simulation is provided excellent voltage regulation the system. All the fault
and condition were created on the simulation circuit to detection technique
used in the software system model. All the measurements are being taken to the
DC and AC side RMS voltages, current and the power output and the variation
while the system is run. PSCAD simulation results have been using with
Kirchhoff’s 1st law in the (QE) to find the current result in the
circuit.

Conclusions
of PSCAD/EMTD model

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the voltage changes at the Va
and Vc when their voltage magnitudes during a simulation time step and generate
the signal so their voltage will decrease, and the current will remain the same
at time then when the voltages discharging at Vc the
frequency and the time between current and voltage will change.

I41.26- (I71.32+0.53 I8) =-0.59                Va5.28- (I71.32+5.3Vc)
=-4.34

I1 2.8- (I41.26+0.06 I6) =1.48                  I41.26- (I60.06+1.32 I7) =-0.12

I21.03- (I50.59+0.53 I8) =-0.09                  I3 1.3- (I50.59+0.53 I8) =0.18

I41.26- (I60.06+0.53 I8) =0.67                      I1 2.8- (I21.03+1.3 I3) =0.47

VA

Vc

I1

i2

i3

I 4

I 5

I 6

I 7

I 8

5.28

5.3

2.8

1.03

1.3

1.26

0.59

0.06

1.32

0.53

 

 

 

 

 

 

 

 

 

 

VA

Vc

i1

i2

i3

i4

i5

i6

i7

i8

5.28

5.3

2.8

1.03

1.3

1.26

0.59

0.06

1.32

0.53

Current
leaving the mesh circuit I1 = I2 + I3 + I4
=0    I1 and I2 enter a junction then I3
leaving a junction Finding the current
in a circuit using Kirchhoff’s 1st law formula I1 = I2 + I3
+ I4 =0    

The current that enters a junction is equated to the sum
current that leaving the junction

e) magnitude and directions of current Kirchhoff’s 1st
law

 

 

 

 

 

D) all the V-I
Plots, each phase is operated with the voltage drop of the cable in very
simulation has the results and the output voltage and resistance of each model
component.

 

C) insert a circuit breaker in
the c branch at 40ms faults and I measure all the current in the circuit loads
with voltage Va and Vc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B) Circuit fault to the earth in the c branch of the circuit
measure current in all loads, voltages at Voltmeter A graphs and voltmeter C
graphs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A)      single
phase simulation circuit operated with three phases power cable component, and
is transport current and the voltage drop of the power in the PSCAD/EMTDC has
can see on the model component below. 

Modelling of 11KV Mesh Circuit using
PSCAD/EMTDC software

                   
Part B of the Assignment PSCARD/MTDC Software

              

 

 PLECS software used
to model and simulation control the system which has alternative closed-loop
control with is back to back level and it has been realizing to control all the
DC link voltage. And the DC voltage link is control in regulating according to
the voltage ripple other input line current is connected to control system is
not activated. When the controller is activated then DC link voltage ripples
drops to stabilized to set the value. And when the simulation results are
demonstrated then controller to work excellent, dynamic and steady-state
performance as usual. PLECS software system it offers so many advanced features
which enable used model and simulate complex power in the electronics system
which including control over the circuit and decoupling is  powerful.

d) Conclusions of all the PLECS model

 

c) The
three-phase induction motor which takes into a different account hearing of
winding of stator and squirrel due to losses that occur in these elements, and
the results of simulation is reflected the real behaviour of a motor during to
this operation. Three phases with analysed to the motor that was made based on
electrical and mechanical equations. And this equation is used transformation
to the electrical systems on the motor stator
and rotor of the machine

 

 

 

 

iv. Friction Coefficient of 0.5

 

      

   iii. Rated stator voltage of
220V

               

 

 

 

 

 

 

 

 

ii.  number of poles 6     

 

b)      I.  Rated frequency of 60 HZ

 

Voltage 220V
(1500-1477.9432RPM)/1500=0.01470*100=1.470

50HZ (1500-1377.9125RPM)/150=0.813916*100=8.13916

Frequency 60 HZ (1800-1789.28RPM) /150=0.007146*100=7.146

0.5coefficient (1500-1408.656RPM)/1500=060896*100=6.0896

number of poles:6
(100-963.8757RPM)/100=-8.638757

B)  Synchronous speed and speed of each
machines 

 

To
get a better balance of the strategy for single phase induction motor drives,
in the tested prototype is implemented the schematic graph of the experimental
set up to the machine is at 0.5 and the 147RPM three phase induction motor
connected to star in single phase and the operation is star running capacitors
are chosen for minimum unbalance in the stator.

In
the three-phase machine by comparing a DC reference signal having a variable
amplitude, Carrie waveform has a fixed amplitude and frequency the Simulation
results of the waveform compared with the generated by running the simulation
device model at difference voltages and current which’s increases while load
current and voltage at the same time.

Discussion
and compare to simulation results.

T&
i2 then T=K(Ns-Nr) or T=KNs (Ns-Nr/Ns)

for
the torque is always directly to the rotor current

if
the rotor speed is the same as the magnetic field and the slip speed =0

N=rotor
speed

Slip speed:

Ns=120F/p   slip=Ns-Nr/Ns per unit (p. u)

F=PN/120      percent slipped = (N Slip/Ns) *100  

Calculation for the synchronous speed and the slip
speed of the machine.

 

 

 

 

 

 

 

 

 

 

 

 

 
  Mechanical power
brake

 

The simulation of
the results obtained under the parameters and conditions give in the initially
all           the controls and block
Diagram input to the system.

a)     
PLECS has two level
three phase voltage source converters is the most popular commonly used for industrial application in today’s
motor drive and loads. Single switching per cycle six step modulations, each
inverter leg has the provision of never turning on both switches at the same
time to avoid a short circuit of the DC, electrical circuit component
parameters should be defined as an element of the Simulink input vector
allowing all the component value to be dynamically by Simulink block component
parameter can be changed during the simulation by switching the value of the s
function parament vector in the Simulink model.

Part A PLECS Software

 

The overall come to control block diagram
as the graph shown in part A AC three controller speed and current, and the
generator, voltage regulator in control in cascade. the generator consists of
three parts, machine works as an AC generator, to armature field keeps
rotating.

Methodology

 

Induction motors in PLESC simulation of the modern
electrical circuit using power electronics is always have a challenge of the
nonlinear behaviour of the power systems switch, their connection to continuous
and the design of discrete time control. had a lot of simulation software to
developed in the past and a lot of them has been dedicated to simulation of the
detailed behaviour of the power in the electronics all this is based on the
electrical circuit library, such as PSCAD and electrical drives modelling
simulation software, the systems is design with simulation analogue and digital
circuit, and other software enables an efficient control to development.

Introduction

 

Reference
…………………………………………………………………………………………………………….. 1

Conclusions and recommendations……………………………………………………………………………. 14

Date analysis ……………………………………………………………………………………………………….. 13

Calculation for the
synchronous speed and slip speed …………………………………………………… 12

Discussion…………………………………………………………………………………………………………… 11

Friction
Coefficient of 0.5……………………………………………………………………………………….. 10

Rated
stator voltage of 220v………………………………………………………………………………………. 9

Number of
pole;6……………………………………………………………………………………………………. 8

Rated frequency of 60 Hz…………………………………………………………………………………………. 7

Compared
with expected behavior/ theory……………………………………………………………………. 6

PLECS
model using different machine parameters………………………………………………………….. 5

Mechanical load System Block Diagram 

Three phase squirrel cages
connected to a

PLECS model using default parameters
and expected     

Methodology………………………………………………………………………………………………………….. 3

Introduction…………………………………………………………………………………………………………… 2

Abstracts/Summary……………………………………………………………………………………………………

Table
of contents

 Analysis software single phase and three phase
induction motor and using (PSCARD/EMTDC) and PLECS system used the fast
simulation of the power in the electron system under the Simulink is presented
on this toolbox to provides for the modelling large power in the electronic
circuit containing both in the electrical systems and controllers. This program
is based on a state- space formulation for circuits that consist of the linear
element (RLC) transformer sources and meters, ideal switches. And the
simulation of the systems is developed for testing control before a real-time
implementation. PSCARD/EMTDC is one of the most useful simulation software
tools, it does not provide a very high temperature and the power cable
component which is the same impedance with the real HTS power cable.

Abstract/summar

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