Distribution Planning System in Vietnam for Multi-divided and Multi-connected System
Working Group Number
3-6 June 2019
Suzuki, Kenichi, TEPCO Power Grid- Inc, Japan
Power distribution companies face the challenge of how to efficiently proceed with the expansion of distribution facilities to meet rapid economic growth. TEPCO Power Grid, Inc. (TEPCO PG) has introduced the concept of a multi-divided and multi-connected system (MDMC system) in Japan and realized a high rate of reliability (SAIDI in 2016 was about 7 minutes, which is lower than other major countries).In Hanoi, Vietnam, demand is rapidly increasing in order to accommodate the country’s economic growth. A methodology to analyze the distribution system based on a thorough understanding of the system situation is required to meet the increasing demand, and it is needed to shorten outage times to meet the policies of Electricity of Vietnam (EVN). Therefore, under a JICA Public Private Partnership scheme, in which JICA supports overseas dissemination activities for Japanese technology, TEPCO PG and THE Power Grid Solution, Inc. demonstrated a pilot project to introduce MDMC planning and operation training.In this paper, the pilot results show a SAIDI decrease due to outage area reductions via the adoption of the MDMC system, and early detection of outages via the adoption of FPI. In addition, it was estimated by checking the data more carefully that the SAIDI will improve further via deeper integration of TEPCO PG’s operation techniques.
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