References

Ashour, H., 2004. Automatic Transfer Switch (ATS) using Programmable Logic Controller (PLC). Proceedings of the IEEE International Conference on Mechatronics (ICM'04), June 5, 2004, IEEE, Istanbul, Turkey, ISBN:0-7803-8599-3, pp: 531-535.

Cousy, R.E., 1990. Transfer switch rating’s without fuses or circuit breaker’s. IEEE. Trans. Power Delivery, 5: 202-203.
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Hugh, J., 2010. Automating Manufacturing Systems with PLCs. Lulu Press, Morrisville, North Carolina, USA., ISBN:9780557344253, Pages: 644.

Scaddan, B., 2008. IEE Wiring Regulations: Inspection, Testing and Certification. 17th Edn., Routledge, Abingdon, UK., ISBN:9781136432385, Pages: 112.

Siemens, A.G., 2011. 0BA6 Simatic LOGO! Manual. Munich, Germany. https://new.siemens.com/global/en.html