Details
| Originalsprache | Englisch |
|---|---|
| Titel des Sammelwerks | PES T D 2012 |
| Seiten | 1-6 |
| Seitenumfang | 6 |
| Publikationsstatus | Veröffentlicht - 1 Mai 2012 |
Abstract
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PES T D 2012. 2012. S. 1-6.
Publikation: Beitrag in Buch/Bericht/Sammelwerk/Konferenzband › Aufsatz in Konferenzband › Forschung › Peer-Review
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TY - GEN
T1 - Voltage range as control input for OLTC-equipped distribution transformers
AU - Reese, C.
AU - Buchhagen, C.
AU - Hofmann, L.
PY - 2012/5/1
Y1 - 2012/5/1
N2 - In many cases, the increasing load and the growing proportion of injected power from distributed energy generation results in the violation of voltage constraints in low voltage distribution grid. As an alternative to additional cables or substations, the application of distribution transformers equipped with on-load tap-changers (OLTC) is under development. This paper presents their benefits, and a method to control them with a voltage range as input parameter is proposed. The computational model for load flow calculation with OLTC, the simulation environment and the applied stochastic, synthetic profiles are described. The simulation results prove that the proposed method is suitable to keep the voltage within the constraints. It also features the advantage of less switching operations compared to a fixed voltage control method. This aspect leads to less wear and for this reason to a decrease of maintenance effort.
AB - In many cases, the increasing load and the growing proportion of injected power from distributed energy generation results in the violation of voltage constraints in low voltage distribution grid. As an alternative to additional cables or substations, the application of distribution transformers equipped with on-load tap-changers (OLTC) is under development. This paper presents their benefits, and a method to control them with a voltage range as input parameter is proposed. The computational model for load flow calculation with OLTC, the simulation environment and the applied stochastic, synthetic profiles are described. The simulation results prove that the proposed method is suitable to keep the voltage within the constraints. It also features the advantage of less switching operations compared to a fixed voltage control method. This aspect leads to less wear and for this reason to a decrease of maintenance effort.
KW - distributed power generation
KW - load flow control
KW - on load tap changers
KW - power distribution control
KW - power grids
KW - stochastic processes
KW - voltage control
KW - voltage range
KW - control input
KW - OLTC-equipped distribution transformers
KW - distributed energy generation
KW - low voltage distribution grid
KW - voltage constraints
KW - on-load tap-changers
KW - input parameter
KW - computational model
KW - load flow calculation
KW - simulation environment
KW - stochastic profiles
KW - synthetic profiles
KW - fixed voltage control method
KW - maintenance effort
KW - Voltage control
KW - Power generation
KW - Load modeling
KW - Switches
KW - Substations
KW - Power cables
KW - Low voltage
KW - distribution grids
KW - distribution transformer
KW - OLTC
KW - on-load tap-changer
KW - low voltage level
KW - medium voltage level
KW - substation
KW - voltage drop
KW - voltage rise
U2 - 10.1109/TDC.2012.6281619
DO - 10.1109/TDC.2012.6281619
M3 - Conference contribution
SP - 1
EP - 6
BT - PES T D 2012
ER -