Question
Download Solution PDFमोटरचा _______ हे मोटरच्या भारणावर अवलंबून असते.
Answer (Detailed Solution Below)
Detailed Solution
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मोटरचा शक्तिगुणक मोटारच्या भारणावर जवळून अवलंबून असतो.
शक्तिगुणक = cosϕ = (P)/(S)
- जेव्हा मोटरवरील भार वाढतो तेव्हा सक्रिय शक्ती वाढते आणि अभिक्रियाशील शक्ती स्थिर राहते. अशा प्रकारे, ϕ चा कोन कमी होतो आणि शक्तिगुणक (cos ϕ) किंचित सुधारतो.
- मोटारचा शक्तिगुणक कमी असतो जेव्हा मोटर कमी भारण असते आणि जेव्हा मोटर भारण 70% पेक्षा कमी असते तेव्हा लक्षणीयरीत्या कमी होते.
- शक्तिगुणकाला मोटर डिझाईन रेटिंगच्या जवळ ठेवण्याचा सर्वोत्तम मार्ग म्हणजे भारणाशी मोटरशी जवळून जुळणे, जे सामान्यतः 80% ते 85% शक्तिगुणक असते.
Last updated on Jun 11, 2025
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