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Disconnectors are offload devices used in the high voltage electrical network substations to ensure isolation of the power supply line. It is mainly installed in conjunction to the air insulated circuit breakers so that the load switching or fault current switching is performed by circuit breaker and after that the disconnectors are operated when there is no flow of current through the line.
Disconnector is operated by means of a drive mechanism which provides higher torque output with input from manual or motor operation. Thus the drive is categorized as manual drive or motor drive.
In this research paper, the drive gearbox design methodology is explained with reference to the requirements as per the functional requirements as well as according to the international standard for the disconnector product. The requirements mentioned in the standard are with reference to the different conditions the disconnector is experience during its complete service life and the different climatic conditions, where the product is being installed. The drive design answers the requirement of disconnect and earthling switches with higher torque requirements in the range of 1000 to 1200 Nm. The design is successfully validated through actual tests to ensure suitability of the drive for complete lifespan of disconnector under various conditions of operations as specified in international standards.
Keywords:
Disconnecting Switch, Gear Drive, High Reduction Ratio, Worm Gear Pair
Cite Article:
"Design concept of high reduction ratio irreversible drive for high voltage switchgear application", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.8, Issue 1, page no.265 - 268, January-2023, Available :http://www.ijrti.org/papers/IJRTI2301042.pdf
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000207
ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator
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