Congestion control of smart distribution grids using state estimation

2013 ◽  
Author(s):  
S Abishek ◽  
Balakrishnan Narayanaswamy
Keyword(s):  
Congestion Control ◽  
State Estimation ◽  
Distribution Grids

scholarly journals A Two-Step State Estimation Algorithm for Hybrid AC-DC Distribution Grids

Energies ◽  
2021 ◽  
Vol 14 (7) ◽  
pp. 1967
Author(s):  
Gaurav Kumar Roy ◽  
Marco Pau ◽  
Ferdinanda Ponci ◽  
Antonello Monti
Keyword(s):  
State Estimation ◽  
Distribution System ◽  
Renewable Energy Sources ◽  
Estimation Algorithm ◽  
The State ◽  
Second Step ◽  
Distribution Grid ◽  
Dc Distribution ◽  
Attractive Option ◽  
Distribution Grids

Direct Current (DC) grids are considered an attractive option for integrating high shares of renewable energy sources in the electrical distribution grid. Hence, in the future, Alternating Current (AC) and DC systems could be interconnected to form hybrid AC-DC distribution grids. This paper presents a two-step state estimation formulation for the monitoring of hybrid AC-DC grids. In the first step, state estimation is executed independently for the AC and DC areas of the distribution system. The second step refines the estimation results by exchanging boundary quantities at the AC-DC converters. To this purpose, the modulation index and phase angle control of the AC-DC converters are integrated into the second step of the proposed state estimation formulation. This allows providing additional inputs to the state estimation algorithm, which eventually leads to improve the accuracy of the state estimation results. Simulations on a sample AC-DC distribution grid are performed to highlight the benefits resulting from the integration of these converter control parameters for the estimation of both the AC and DC grid quantities.

Dynamic State Estimation of Smart Distribution Grids Using Compressed Measurements

2021 ◽  
pp. 1-1
Author(s):  
Reyhane Mohammadrezaee ◽  
Jafar Ghaisari ◽  
Gholamreza Yousefi ◽  
Marzieh Kamali
Keyword(s):  
State Estimation ◽  
Dynamic State ◽  
Dynamic State Estimation ◽  
Distribution Grids
Sign in / Sign up

Export Citation Format

Share Document