Table 3 Smart grid stability and control.
From: Operational planning steps in smart electric power delivery system
Methodology | Control method | Merits | Outcomes |
|---|---|---|---|
Monitoring communication and computing | VVM, AMI, GIS, SCADA, DA and PQA | • VVM can regulate distribution system voltage profile and minimize reactive power flow | • Planning and deployment of monitoring system to monitor and analyze the power quality problems |
• FILR capability | • Provide clean power to end-user equipment with minimal disturbances | ||
• PQA can Investigate disturbances in power system | |||
Integration of non-synchronous generators into reserve provision | • Virtual synchronous generator | • Artificially add inertia through converter controls | • Synchronism is ensured in large scale interconnected power systems |
• Fast frequency response control | • Frequency gradient has been reduced in small island power system. | • Ensure system stability | |
Virtual inertia | • Voltage source converter control Synchro-converter | • Increasing the inertia of the system | • Enhancing ancillary services by virtual inertia emulation to regulate frequency in active distributed network |
• Enhance frequency stability profile of the system | • Maintain power system frequency stability by providing virtual inertia and Ensure the long-term frequency stability of the system | ||
• Damp the oscillations in the power system | |||
Data analytics | • Descriptive, diagnostic, predictive and prescriptive | • Reducing demand supply gap | • Finding the optimal solutions for managing the load of end-users in smart grid |
• Regulate power flow in generation, distribution and consumption. | |||
Wide band gap power semiconductor devices | • AlGaN/GaN-based HEMT devices | • Improve power density and power efficiency | • HEMT based Technology meeting the needs for power distribution grid and end-use utilization |
