On Dinh He Thong Dien P2

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  • Chng 2: NG C TNH CNG SUT

    2.1 HT tng qut:- Khi nim-Phng php tnh ton

    =

    =

    +=

    +=n

    kikik

    ik

    kiii

    ii

    ii

    n

    kikik

    ik

    kiii

    ii

    ii

    ik

    ik

    ZEE

    ZEQ

    ZEE

    ZEP

    1

    2

    1

    2

    )cos(.cos

    )sin(.sin

    F1Fn

    Fi

    Fk

    Si

  • Chng 2: NG C TNH CNG SUT

    2.2 HT gm hai nh my:

    F1 B1 D B2 F2PT

    E1 XF1XB1 ZD

    ZB2 XF2 E2YD/2ZPT

  • Chng 2: NG C TNH CNG SUT

    2.2 HT gm hai nh my:s dng nguyn l xp chng

    Z12Z10 Z20E1

    P1, Q1 P2, Q2

    E2

    121212

    2111

    11

    21

    12

    2

    11

    11

    11111

    Z.

    Z

    ..

    +=

    =

    +==

    EEE

    Z

    E

    Z

    EE

    QjPIES

    )cos(Z.cos

    Z

    )sin(Z.sin

    Z

    )cos(Z.cos

    Z

    121212

    2111

    11

    21

    1

    121212

    2111

    11

    21

    1

    121212

    2111

    11

    21

    1

    =

    +=

    +=

    EEEQ

    EEEP

    EEEP

  • Chng 2: NG C TNH CNG SUT

    2.2 HT gm hai nh my:s dng nguyn l xp chng

    Z12Z10 Z20E1

    P1, Q1 P2, Q2

    E2

    121212

    2122

    22

    22

    12

    1

    22

    22

    22222

    Z.

    Z

    ..

    +=

    =

    +==

    EEE

    Z

    E

    Z

    EE

    QjPIES

    )cos(Z.cos

    Z

    )sin(Z.sin

    Z

    121212

    2111

    22

    22

    2

    121212

    2122

    22

    22

    2

    +=

    +=EEEQ

    EEEP P1 + P2 = PPT Q1 + Q2 = QPT P,Q = f (12 ) v cc ng TCS

  • Chng 2: NG C TNH CNG SUT2.3 H thng in n gin:1. HT c tn tht v ph ti

    F B1 D B2 HPT

    EF XFXB1 ZD

    ZB2 XH UHYD/2ZPT

  • Chng 2: NG C TNH CNG SUT2.3 H thng in n gin:1. HT c tn tht v PTs dng nguyn l xp chng

    EF Z12 UHZ10 Z20EF

    P1, Q1 P2, Q2

    1212

    F11

    11

    2F

    1211

    1111

    Z.

    Z

    ..

    +=

    =

    +==

    UEE

    Z

    U

    Z

    EE

    QjPIES

    FF

    F

    )cos(Z.cos

    Z

    )sin(Z.sin

    Z

    1212

    F11

    11

    2F

    1

    1212

    F11

    11

    2F

    1

    =

    +=UEEQ

    UEEP

  • Chng 2: NG C TNH CNG SUT2.3 H thng in n gin:2. HT khng tn tht

    F B1 D B2 H

    EF XF XB1 XD XB2 XH UH

    EFXH UHXF UF

  • Chng 2: NG C TNH CNG SUT2.3 H thng in n gin:2. HT khng tn tht

    MP cc n: Xd = Xq ; EF = Eq .

    E X UI,

    HF

    U

    E

    qE

    UUP

    UEP

    UEP

    F

    q

    q

    sinX

    .

    sinX.

    sinX.

    H

    '

    d

    'd

    '

    '

    =

    =

    = Eq

    U

    I

    I.Xdcos

    d

    q

    EEq

    I.Xdcos

    I.XHcos

    H

    UF

  • Chng 2: NG C TNH CNG SUT2.3 H thng in n gin:2. HT khng tn tht _ MP cc n:

    E X UI,

    2sin.2

    sinX

    .

    2sin'.'

    2sin

    X.

    2sin'.'

    2sin

    X.

    'cos.'

    ''

    sin.

    sin.cos.

    )cos(..cos..

    2

    H

    2

    d

    '

    2

    d

    '

    '

    '

    '

    '

    =

    =

    =

    ===

    =====

    Hd

    dFqU

    dd

    ddqE

    dd

    ddqE

    d

    q

    d

    qqd

    dq

    dq

    XXXUUUP

    XXXXUUEP

    XXXXUUEP

    XUE

    XUE

    II

    XU

    XUII

    IUIUP

    F

    q

    q

    P

  • Chng 2: NG C TNH CNG SUT2.3 H thng in n gin:2. HT khng tn tht _ MP cc li:

    EQ

    U

    I

    I.Xq

    d

    q

    EqI(Xd-Xq)

    2sin.2

    sinX

    .

    2sin'.'

    2sin

    X.

    2sin.2

    sinX.

    2sin.2

    sinX.

    cos.sin.

    sin.cos.

    )cos(..cos..

    2

    H

    2

    d

    '

    2

    d

    2

    d

    '

    '

    =

    =

    +=

    =

    ===

    =====

    Hq

    qFqU

    dq

    dqqE

    dq

    qdqE

    dq

    dqqE

    d

    q

    d

    qqd

    qq

    dq

    XXXUUUP

    XXXXUUEP

    XXXXUUEP

    XXXXUUEP

    XUE

    XUE

    II

    XU

    XUII

    IUIUP

    F

    q

    q

    q

  • Chng 2: NG C TNH CNG SUT

    2.4 c tnh tnh ph ti:P, Q = f ( U )

    PT c nh gi qua h s hiu ng iu chnhdP/dU ; dQ/dU

    C 2 loi :- c tnh tnh thc t

    P,Q

    U

    1

    1

    Ugh

  • Chng 2: NG C TNH CNG SUT

    2.4 c tnh tnh ph ti:- c tnh tnh thay th:ZPT = hsU = U0 : PPT = P0 ; QPT = Q0mc ni tip

    mc song song

    U0

    RPT

    XPT

    U0

    RPTXPT

    )sin.(cos.0

    2

    jSUXjRZ mptptpt +=+=

    0

    20

    2

    QUZ

    PUR

    mpt

    mpt

    =

    =

    pt

    pt

    XUQ

    RUP

    2

    2

    =

    =