ЗАДАЧА РАСЧЕТА РЕЖИМА ЭНЕРГОСИСТЕМЫ МЕТОДОМ

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THE NETWORK CALCULATIONS USING
THE SEQUENTIAL EQUIVALENTING METHOD IN
THE CASE OF INFORMATION INCOMPLETENESS
ABOUT ADJACENCY NODES
A.V. Malafeev, E.S. Kutukova
Nosov Magnitogorsk State Technical University, Russia, Magnitogorsk.
[email protected], [email protected]
Abstract
210
This article is devoted to the network calculations using the sequential
equivalenting method in the case of information incompleteness about adjacency nodes. This article offers to define the reacting power in the network
nodes basing on the load flow of the active power and measured voltage
modules and complex admittances of substitutional connection. Disregard
of the phase shift between the voltage phasors in network nodes leads to
unsatisfactory convergence in case of using the simple iteration method.
This article offers using the Newton method of power flow to improve the
convergence.
Key words: active power flow, voltage module, state estimation, Newton
method, convergence.
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110-220
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[1].
(3–4
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[2].
211
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[3].
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Y
. 1.
:
P2
Q2
I 2U 2 ,
(1)
P2 .
(2)
I 2U 2
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I
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2
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Q
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P2 .
(3)
P
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:
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(4)
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U–
(5)
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Ek
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212
:
I
k 1
Y
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(6)
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:
P U 2 I cos
2
U 1 U 2 Y 2U 2
Q
(7)
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2
U 2 I cos
cos
(8)
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(4)–(6).
[1].
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k 1
k
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k 1
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k 1
P0 ,i
k
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Q0 ,i
k
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k
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E
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k 1
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k 1
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; P0,i
k
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k
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Pi
k
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k
(6).
213
Uˆ i
;
(7)
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(8)
k 1
k 1
;
(9)
(10)
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k
1
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2.
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621.314
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[email protected], [email protected]
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