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Politics : Foreign Affairs Discussion Group

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To: SirRealist who wrote (15910)	1/9/2002 4:16:30 AM
From: SirRealist	Read Replies (1) of 281500

First Synchro-Check Device Designed, Built by a Student TEHRAN -- A student from the Electrical Engineering Department of Shahid Chamran University in Ahvaz, majoring in power, Heidarali Raeesi, designed and built the first synchro-check device. The device is applied at high voltage substation switchings and while power houses are being connected to the national network. Raeesi said that the synchro-check relay device is mainly used to check the system's condition and to compare the required set figures before being connected to the national network and also before switchings at the high voltage substations. He added, "The electromechanical type of the device currently used in the country has a high wear-and-tear and a relatively low precision while its switching is sometimes handled manually which is quite risky. He said that the device is built by using a micro-controller which has undergone test by Khuzestan province relay experts. He recalled that research on the current device started as of last spring and was implemented once the complete process of its design, writing its software program, setting up its circuit and its final stages was completed in September. He indicated the dimensions of the device around 10x15 cms and said that it is much better compared to its foreign counterpart both in dimension and production cost. He said if investment would be made to produce the said device domestically, its production cost would be equivalent to one-thirds of its foreign counterpart. Head of Electrical Department of the Engineering Faculty Mahmoud Jourabian, while approving the design and production of the device by Raeesi, said that the synchro-check relay project was implemented under the supervision of engineer Ali Namazi and that the sample device built in the laboratory was verified once it was practically tested, IRNA reported. iran-news.com

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