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Impact of Transportation Electrification on the System's Dynamic Frequency Response

Conference ·
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Transportation electrification is an integral component of the energy decarbonization transition. This paper investigates the impact of distributed energy resources (DERs), including distributed photovoltaics (DPV) and electric vehicles (EVs), in the primary frequency response of the power grid. Increasing DER adoption poses challenges to maintaining grid frequency stability. However, DERs' ability to provide fast frequency regulation services-primary frequency response (PFR) and secondary frequency response (SFR)-can be exploited to recover the frequency after an N-1 contingency event in the system. This paper also investigates the importance of a droop control strategy through dynamic models of DPV and EV to provide the primary frequency regulation services following the contingency event. A dynamic EV model, based on the PVD1 model Western Electricity Coordinating Council (WECC) introduced, has been used for the simulation. Further, DERs' primary frequency response is studied for five different cases of DER penetration levels after the system is exposed to the generator trip. Additionally, different frequency regulation capacities of EVs are analyzed. The studies show that an increment in DERs capacity providing effective PFR can improve the system frequency nadir and stabilize the frequency faster after the generation trip contingency.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE National Renewable Energy Laboratory (NREL)
DOE Contract Number:
AC36-08GO28308
OSTI ID:
2007868
Report Number(s):
NREL/CP-5400-87691; MainId:88466; UUID:fc6df611-54e4-4d54-9aad-995c8b3b2460; MainAdminID:70793
Resource Relation:
Conference: Presented at the 2023 IEEE Kansas Power and Energy Conference (KPEC), 27-28 April 2023, Manhattan, Kansas; Related Information: 85990
Country of Publication:
United States
Language:
English

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Related Subjects

POWER TRANSMISSION AND DISTRIBUTION
distributed energy resources
distributed photovoltaic
electric vehicle
primary frequency regulation