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Algorithm Study of Steady-State Controlpower Flow Based on Tie-Line Power Constraints on Medimu Term and Long-Term Voltage Stability

Author: YaoYuanZuo
Tutor: HangNaiShan
School: Guangxi University
Course: Proceedings of the
Keywords: Interconnected power system Voltage stability Flow calculation Most balanced nodes Contact line
CLC: TM712
Type: Master's thesis
Year: 2005
Downloads: 165
Quote: 0
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Abstract


Need to determine the output of generator sets for medium and long-term voltage stability analysis , a meter and generator sets active - frequency static and reactive power - voltage static characteristics of the trend of steady-state control algorithm . The algorithm can effectively describe the installation of the governor synchronous generators in the automatic time adjustment behavior disturbance , and the method does not need to do the PQ , PV and balance node assumption . Independent of the control variables and the use of the generator control links in the Jacobian matrix sparsity and regularity , dimensionality reduction algorithm can effectively reduce the amount of computation is an effective tool for analysis of medium - and long - term voltage stability . Meanwhile, with the continued increase in electricity load control area load demand different regional power grid stability and economy for their own needs , must agree on a tie-line power transmission . Transmission power limit of the contact line between the region , for the interconnected power system load flow algorithm based on the tie-line power limits more balanced nodes , based on the tie-line power limit control power flow algorithm , two algorithms set tie-line power agreement when the system load disturbance can maintain the tie-line power for the purpose of setting . , Considering the limitations of the power of the contact line between regional power grid , equivalent to an increase of the contact line transmission of both active and reactive power equivalence constraints , and system-wide state variables did not increase , in this case , appears to solve the problem of the number of equations will be more than the number of state variables , the proposed algorithm can effectively solve this kind of problem .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Theory and Analysis > Power system stabilizer
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