OS5 Flashcards

1
Q

À quoi correspond q
(OS5)

A

La charge

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2
Q

q en convention récepteur

A

C*u

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3
Q

q en convention générateur

A

q=-C*u

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4
Q

À quoi correspond C

A

La capacité

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5
Q

i en convention récepteur

A

i= C* du/dt

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6
Q

i en convention générateur

A

i= -C * du/dt

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7
Q

Régime variable

A

Lorsque u varie à ses bornes

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8
Q

Régime continue
i=

A

La tension est constante
i= C du/dt =0

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9
Q

Comportement du condensateur en régime ouvert

A

Comme un interrupteur ouvert

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10
Q

L’énergie électrique emmagasiné dans le condensateur idéal

A

Epsilon*c = 1/2 Cu(t)^2

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11
Q

Expression de la puissance reçu par le condensateur

A

P= ui = uC * du/dt = d/dt (1/2 Cu^2)

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12
Q

Epsilon (OS5)

A

L’énergie électrique emmagasine

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13
Q
A
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14
Q

Uc(0)=

A

Uc(0)=0=lambda + E donc
lambda = -E

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15
Q

Solution générale sans second menbre

A

Uc1(t)=lambda*exp(-t/taux)

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16
Q

Solution générale avec second membre

A

Uc(t)=U1(t)+U2(t)
Soit Uc(t)=E(1-exp(-t/taux))

17
Q

Réponde en intensité du courant
dUc / dt =

A

dUc / dt = -E (-1/taux ) exp(-t/taux)