학술논문
Residual load models for power system restoration: High shares of residential thermal loads and volatile PV generators
Document Type
Conference
Author
Source
2017 IEEE International Conference on Smart Grid Communications (SmartGridComm) Smart Grid Communications (SmartGridComm), 2017 IEEE International Conference on. :223-228 Oct, 2017
Subject
Language
Abstract
The residual load power gradients over high-voltage-medium-voltage (HV-MV) power transformers after re-energization of long-lasting interrupted MV-grids are investigated. In this paper, the MV-grids are assumed to serve only residential areas with high thermal load capacities whose diversity factors are significantly influenced by power interruption durations causing the cold load pick-up (CLPU) phenomenon. Increasing shares of volatile renewable energy source (RES) generation with automatic-synchronization characteristics in MV-grids and their underlying grids influence the abovementioned residual load gradients. This paper investigates possible ways of regulating the residual load gradients especially for the frequency-sensitive HV-grid islands to reach a successful power system restoration.