rangkaian listrik 2 sinusoidal steady state single &three phase circuit star-delta connection...
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RANGKAIAN LISTRIK 2RANGKAIAN LISTRIK 2
SINUSOIDAL STEADY STATE SINGLE &THREE PHASE CIRCUIT STAR-DELTA CONNECTION FREKWENSI COMPLEX LAPLACE TRANSFER FUNCTION TRANSFORMER TWO PORT NETWORK
Ir. I.A.DWI GIRIANTARI,MEngSc.,PhD.
SELASA, DH 102, 10.10-12.40 WITA
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KONTRAK KULIAH
MIDDLE TEST/UTS = 35% ASSIGMENT/TUGAS = 15% PARTICIPATIONS = 10% FINAL EXAM/UAS = 40% TOTAL = 100%
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INTRODUCTORY ALTERNATING CURRENTINTRODUCTORY ALTERNATING CURRENT
PEMBANGKITAN TEGANGAN AC
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TWO EXPRESSION
Vm = MAKSIMUM VOLTAGEVrms= V = Vm/√2
vector representation
T
dttyT
yV0
22 )(1
y(t) is a periodic function of time t, with period T
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AN IDEAL RESISTOR IN AC CIRCUIT
E= Rii = E/R = (Vm/R) sin ωt = Imsin ωt atau I = E/R
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POWER IN RESISTOR
The instantaneous power dissipated
tIVIV
P
tItVP
ivP
mmmm
mm
2cos22
)sin)(sin(
.
T
mmav
mmmav
dttItVT
P
IRIVP
0
2
)sin)(sin(1
2
)(
2
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tIi
tVv
m
ivm
cos
cos
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P is called the average powerQ is called the reactive power
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POWER FOR PURELY INDUCTIVE CIRCUITS
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POWER FOR PURELY CAPACITIVE CIRCUITS
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THE POWER FACTOR
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above
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We now calculate P and Q directly
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THE RMS VALUE AND POWER CALCULATIONS
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EXAMPLE
The average power delivered to
SOLUTION
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EXAMPLE
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a). Calculate the complex power of the load.b). Calculate the impedance of the load.
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and
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