Transcript
  • 2.9 :.: ..:,,.,;,.

  • 1600kva3200kva2000kva40kw60kw2000kva2000kva2000kva:,40+60=100 ,40+40+15+15=1101000kva:,40+15=55 ,40+40+60/16+60/16=88

    Y,yn0, 10kv/0.4kv,1000kva Y,yn0, 10kv/0.4kv,2000kva Y,d11,35kv/10kv,1000kva Y,d11,35kv/10kv,2000kva Y,d11,35kv/10kv,1000kva Y,d5,35kv/10kv,1000kva

  • 1.:(1);(2);(3)..,:(1); (2);(3),.(2).:.

  • 2..:.(1) ,.(2), ,:(3), ,:

  • (),.:,,, .: , .

    [] ,,.S1n=1000kVA, S2n=1250kVA,:0.060.07. 1[0.933] 2

    : 2-23

  • 2.10 . 1., ,,,,,. :YN,yn0,d11; YN,yn0,y0

  • 2.: ,.

  • ,,:.3.,,,.,X1,X2,X3.,(2-24).:,.

  • 2.11 1.,.

    2..: ;.,.(1)E=U,,:

  • ,,,.(2)E=U,,,,.?

  • ,, t=0,,,.,,80,4.3.,,,.,,,.,.

  • [],., ,?

    []:.:.:.

  • 5.9 : , ..1.(1): . : ,5-7; ,1-2..(2):. :-,. . : , (),.

  • : -.,.

  • : .Ka,Ka, Ka.(3): ,.,.,.

    :, .

  • 2.., .,,.

  • : , .

    5-6,5-22.

  • 3.(1),;,.

    (2)

    (3):. ,;,.

    :, ,.

  • 5.10:(1)p ; (2)f1 ; (3)s .1.:,.().

  • :,.2.(1):(),. ?

  • [ 380V60HZ130HZ380V2120HZ?1

  • ,,,,U1/f1.,.,.,,.,,,,.?

  • (2):.:--,.: ,.

  • :PWM,,,,.12 23 34 45 56 61 12

  • PWM,.

  • (AN)

    :,,.

    PWM

  • 3.(1):,.,T2+T0,,;,,.

    5-275-28

  • (2):..,.:,;.(3):,.,,(,):,.

  • (4):..:.:.

  • 5.12.1.,::;.,.:,,.

    2.,:;..,.

  • ,,.: ,(),,.:380V 50Hz (kW) (r/min) (uF) 1 1510 120 2 1520 140 3 1530 160 :,,,.

  • A - :;., - ,,.A.1 .,,5,7,11,13,57.,,...

  • ,57,-0.857n0/7,.A.2.,,,.[]4,Q1=24,Q2=28, ?:

  • ,13,13,13,.1313, 1/7,.,.,,...

  • A.3 (1),, ,.(2),.(3),,, ,.(4),, ..:,,,..


Top Related