Abstract
This paper analyzes the configuration, design, and operation of multi-MW grid connected solar photovoltaic (PV) systems with practical test cases provided by a 10-MW field development. In order to improve the capacity factor, the PV system operates at its maximum power point during periods of lower irradiance, and the power output is limited to a rated value at high irradiance. The proposed configuration also incorporates a utility scale battery energy storage system (BESS) connected to the grid through an independent inverter and benefits of the experience gained with a 1-MW 2-MWh BESS large demonstrator. The BESS power smoothing and frequency regulation capabilities are illustrated though combined theoretical and experimental studies. The behavior of the grid connected PV and BESS combined system is studied using a modified IEEE 14 bus test system implemented in PSCAD/EMTDC. This paper also includes a sizing exercise for energy storage in order to provide dispatchable PV power.
| Original language | English |
|---|---|
| Article number | 8432119 |
| Pages (from-to) | 638-647 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Industry Applications |
| Volume | 55 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1 2019 |
Bibliographical note
Publisher Copyright:© 2018 IEEE.
Keywords
- Ancillary functions
- IEEE 14 bus
- PSCAD
- battery
- battery energy storage system (BESS)
- energy storage
- frequency regulation
- inverter
- maximum power point tracking (MPPT)
- photovoltaic (PV)
- solar
ASJC Scopus subject areas
- Control and Systems Engineering
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering
