Conversio Quadrantis II

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Questions and Answers

Quod est proprietas chopperis primi et secundi quadrantis?

  • Productio unidirectionis currentis
  • Productio bidirectional currentis (correct)
  • Productio voltage bi-directional
  • Productio voltage uni-directionis

Quale est condiciones necessaria pro chopper primo-quadrante operari?

  • E must be negative
  • E must be zero
  • E must be positive (correct)
  • E must be infinite

Quod est functio switch S4 in chopper primo-quadrante?

  • Provide a path for the output current (correct)
  • Chop the input voltage
  • Regulate the output current
  • Switch the input voltage

Quale est ratio dutiae pro chopper dc describito in Exemplo 1?

<p>d2 = 0.25 (C)</p> Signup and view all the answers

Quod est output voltage pro chopper dc quando Io,dc = -3A?

<p>Vo,dc = 50V (B)</p> Signup and view all the answers

Quale est proprietas chopperis primo-quadrantis et chopperis quarto-quadrantis?

<p>Productio voltage bi-directional (B)</p> Signup and view all the answers

Quod est functio switch S1 in chopper primo-quadrante?

<p>Chop the input voltage (C)</p> Signup and view all the answers

Quale est designatio stati chopperis primo-quadrantis et chopperis quarto-quadrantis?

<p>x1x4 (D)</p> Signup and view all the answers

Quadrantum chopper qui producit tensionem positivam et currunt negativum?

<p>Second Quadrant Chopper (B)</p> Signup and view all the answers

Quid est relatio inter vo et Vi in chopper Second Quadrant?

<p>vo = 1 - x2 Vi (B)</p> Signup and view all the answers

Quid est valor Vo,dc in chopper Second Quadrant?

<p>Vo,dc = 1 - d2 Vi (A)</p> Signup and view all the answers

Quid est relatio inter Io,dc et R in chopper Second Quadrant?

<p>Io,dc = R / (1 - d2) (B)</p> Signup and view all the answers

Quid est valor M in chopper Second Quadrant?

<p>M = 1 - d2 (C)</p> Signup and view all the answers

Quid est necessarium ut maintainet currunt negativum in chopper Second Quadrant?

<p>Currunt negativum (D)</p> Signup and view all the answers

Quid est valor Tsw in chopper Second Quadrant?

<p>Tsw = 1 / (1 - d2) (D)</p> Signup and view all the answers

Quid est ratio inter Vo,dc et E in chopper Second Quadrant?

<p>Vo,dc = E / (1 - d2) (A)</p> Signup and view all the answers

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Study Notes

Chopper Quadrantes

  • Chopper quadrantorum duo typi sunt: secundus quadrantum chopper et primus et secundus quadrantum chopper.

Secundus Quadrantum Chopper

  • Produit voltages positivas et currents negativas.
  • Voltages output (Vo) = (1 - x2) * Vi.
  • Voltages output DC (Vo,dc) = (1 - d2) * Vi.
  • Ratio efficaciae (M) = (1 - d2).
  • Currents output DC (Io,dc) = Vo,dc / R.
  • Uti negativity currents Io,dc, Vo,dc < E.
  • Limites ratio efficaciae: 1 - d2 < E / Vi et 1 - d2 < 1.

Exemplum 1

  • Analysus secundus quadrantum chopper: Vi = 100V, E = 80V, d2 = 0.25, R = 10Ω, L = 20mH, fsw = 2kHz.
  • Calculus ratio efficaciae: d2 = 0.25.

Exemplum 2

  • Calculus ratio efficaciae: Io,dc = -3A → Vo,dc = 50V → M = 0.25 → d2 = 0.75.

Chopper Primus et Secundus Quadrantum

  • Produit currents bidirectionalis.
  • Chopper est combinatio primus et secundus quadrantum chopper.
  • x1 et x2 sunt variables switching S1 et S2.

Chopper Primus et Quartus Quadrantum

  • Produit voltages positivas et negativas cum currents positivas.
  • Load emf (E) est positivus pro operationem primus-quadrant et negativus pro operationem quartus-quadrant.
  • Status chopper est designatus ut (x1x4)2, ubi x1 et x4 denotant variables switching S1 et S4.
  • Pro operationem primus-quadrant, switch S4 remanet on ut provideat pathem currents output.
  • Switch S1 performit chopping, cum ratio efficaciae d1, ita chopper operatur alternative in statu 1 (01) et 3 (11).

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