సమతుల్య 3 దశల విద్యుత్ వలయాలలో, తటస్థ విద్యుత్ ప్రవాహం ఎల్లప్పుడూ ___________.

This question was previously asked in
RRB ALP Instrument Mechanic 23 Jan 2019 Official Paper (Shift 1)
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  1. 12 A
  2. 10 A
  3. 15 A
  4. 0 A

Answer (Detailed Solution Below)

Option 4 : 0 A
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సరైన ఎంపిక 4

కాన్సెప్ట్:    

కిందివి సమతుల్య లోడ్ యొక్క లక్షణాలు.

మొత్తం మూడు-దశలు పరిమాణం మరియు దశ కోణంలో ~ఒకే విధమైన అవరోధాన్ని కలిగి ఉంటాయి

  • అన్ని దశలు ఒకే శక్తి కారకాన్ని కలిగి ఉంటాయి
  • తటస్థ In ద్వారా విద్యుత్ ప్రవాహం సున్నా.

F1 Uday Madhu 26.10.20 D 6

అనువర్తనం:

Ia = 20∠0°, Ib = 20∠(-120°), Ic = 20∠(120°)

In = Ia + Ib + Ic

\({I_n} = 20∠ 0^\circ + 20∠( - 120^\circ) + 20∠ 120^\circ\)

= 0 A

తటస్థ తీగలో విద్యుత్ ప్రవాహం 0 A

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