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A Solar-assisted Voltage Optimization Method for Transmission Solar Network Power System

Conference · · 2022 IEEE Power & Energy Society General Meeting (PESGM)
 [1];  [2];  [2];  [2];  [2];  [2]
  1. Pacific Northwest National Laboratory,Electrical Infrastructure Group,Richland,Washington,USA; Pacific Northwest National Laboratory
  2. Pacific Northwest National Laboratory,Electrical Infrastructure Group,Richland,Washington,USA
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This paper proposes a new formulation and solution algorithm that uses transmission level solar inverters to address the security-constrained optimal power flow (SCOPF) problem. The goal is to stabilize voltage fluctuations in transmission networks in base case and contingency scenarios, by using bulk solar power plant with a minimal number of post-contingency corrections. To achieve this goal, a two-stage volt/var optimization method is proposed to first correct all voltage violations with the volt-var alternating current optimal power flow (ACOPF) algorithm for a base case. Then a linearized SCOPF volt-var control algorithm is proposed to identify the corrective actions for all potential voltage violations in all contingency scenarios. The proposed method was tested and validated on a modified IEEE 118-bus system with solar photovoltaic (PV) data.
Research Organization:
North Carolina State University
Sponsoring Organization:
USDOE
Contributing Organization:
Pacific Northwest National Laboratory
DOE Contract Number:
EE0008770
OSTI ID:
2331268
Conference Information:
Journal Name: 2022 IEEE Power & Energy Society General Meeting (PESGM)
Country of Publication:
United States
Language:
English

References (12)

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Contingency Filtering Techniques for Preventive Security-Constrained Optimal Power Flow journal November 2007
Coordinative real‐time sub‐transmission volt–var control for reactive power regulation between transmission and distribution systems journal November 2018
Grid support functions implemented in utility-scale PV systems conference January 2010
Some Efficient Optimization Methods for Solving the Security-Constrained Optimal Power Flow Problem journal March 2014
A three-stage enhanced reactive power and voltage optimization method for high penetration of solar conference July 2017
The IEEE Reliability Test System-1996. A report prepared by the Reliability Test System Task Force of the Application of Probability Methods Subcommittee journal January 1999
Voltage security constrained multi-period optimal reactive power flow using benders and optimality condition decompositions journal May 2013
Minimal Impact Corrective Actions in Security-Constrained Optimal Power Flow Via Sparsity Regularization journal July 2015

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Related Subjects

14 SOLAR ENERGY
24 POWER TRANSMISSION AND DISTRIBUTION
Photovoltaic
Volt/Var Control
Security-constrained AC optimal power flow