Estimation program and load test for low-voltage main distribution board

Author(s): Bancha Sreewirotea, Chaichan Pothisarnb
Department of Electrical Engineering, Faculty of Engineering Thonburi University, Bangkok, Thailand
Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
International Journal of Smart Grid and Clean Energy, vol. 8, no. 6, November 2019: pp. 740-746
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.8.6.740-746

Abstract: There is a lot electrical equipment installed in the main distribution board (MDB) and there will be tested by electrical power. Thus, if the fault takes place during the implementation, the equipment will be damaged. As the MDB is always active and high cost, it needs to be tested before the supply of actual electrical power. In this paper, a program that helps to estimate a low voltage MDB is created, being able to operate by general estimator. The Visual Basic software is used as an interface program while the Microsoft Access is taken into consideration to be databases. After that, the load test for the MDB testing before delivering electrical power is designed, which is based on a small dimension, low cost and flexibility to use. Results indicate that the designed program can help users to easily estimate price of the MDB. Additionally, it also provides information that users can observe the overview and components of the designed MDB. The designed load test can be used in various application and provide as efficiency as a large load test.

Keywords: Load test, main distribution board, cost estimation
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