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Discrete and Integrated Solutions for Hybrid PV Plants Without Momentary Cessation in Low SCR and High Penetration PE Grids

Conference ·
 [1];  [1];  [2];  [3]
  1. ORNL
  2. Hitachi Energy Research
  3. Missouri University of Science and Technology
+ Show Author Affiliations

With the increased penetration of power electronic (PE) based loads and sources, advanced solutions may be required for the enhancement of grid stability in regions with low short circuit ratio (SCR) and high penetration PE grids. The requirement of advanced solutions arises from the gradual paradigm shift of the electric grid from the traditional electric machine dominant system to a high penetration of PE-based system. One of the major challenges with such systems in recent times is the momentary cessation during alternating current (ac) grid transmission faults. During momentary cessation, PE-based resources cease to operate, thus creating probable reliability challenges for the grid. In this paper, potential feasible options to provide continuity of operation during such scenarios are presented. The options are considered through identifying upgrades in existing and upcoming discrete development of photovoltaic (PV) and energy storage systems (ESS) termed as discrete hybrid PV plants. Additionally, an advanced concept of integrated development of PV and ESS connecting to ac transmission grid links called multi-port autonomous reconfigurable solar power plant (MARS) is evaluated. The developed new solutions are evaluated for different grid use cases and scenarios in PSCAD.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1876294
Resource Relation:
Conference: IEEE KPEC 2022: IEEE Kansas Power and Energy Conference - Manhattan, Kansas, United States of America - 4/25/2022 12:00:00 PM-4/26/2022 12:00:00 PM
Country of Publication:
United States
Language:
English

References (7)

Fault Responses of Inverter-based Renewable Generation: On Fault Ride-Through and Momentary Cessation conference August 2018
Demonstration of Essential Reliability Services by a 300-MW Solar Photovoltaic Power Plant report March 2017
Fidelity Requirements with Fast Transients from VSC-HVdc conference October 2018
Evaluating the Influence of Momentary Cessation Mode in Inverter-Based Distributed Generators on Power System Transient Stability journal March 2020
Control of Photovoltaic Inverters for Transient and Voltage Stability Enhancement journal January 2021
Determining the Capacity Limit of Inverter-Based Distributed Generators in High-Generation Areas Considering Transient and Frequency Stability journal January 2020
Photovoltaic Inverter Momentary Cessation: Recovery Process is Key conference June 2019

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