mức độ tác động đến chất lượng kt của một số yếu tố

Power Quality Harmonics Analysis and Real Measurements Data Part 1 pdf

Power Quality Harmonics Analysis and Real Measurements Data Part 1 pdf

Ngày tải lên : 19/06/2014, 08:20
... written as N   M  f (t )   A1 e 1t cos w1t   Ai e it cos  wit  i      Bk cos  wkt   k   i2    k 1  (19) where A1, A2, …, AN are the sub-harmonics magnitude B1, B2, …,...
  • 20
  • 446
  • 0
Power Quality Harmonics Analysis and Real Measurements Data Part 4 docx

Power Quality Harmonics Analysis and Real Measurements Data Part 4 docx

Ngày tải lên : 19/06/2014, 08:20
... x^(k) + K(k) [z(k) – C(k)x^(k)] (88) P(k+1) = [A(k) – K(k) C(k)] p(k) [A(k) – K(k) C(k)]T + K(k) Q2 KT( k) (89) Kalman gain: New state estimate: Error Covariance update: An intelligent choice of the...
  • 20
  • 433
  • 0
Power Quality Harmonics Analysis and Real Measurements Data Part 8 doc

Power Quality Harmonics Analysis and Real Measurements Data Part 8 doc

Ngày tải lên : 19/06/2014, 08:20
... Snubbers and Matching Transformer over the Work of a Transistor Resonant DC/DC Converter Elektrotehnika&Elektronika (Sofia, Bulgaria), Vol 44, No 7-8, pp 62-68, ISSN 0861-4717 Cheron, Y., Foch, H ... temperature was about 25ºC From experimental tests it was computed the convection coefficient value, kt = 14.24W/m2ºC for this type of heatsinks for thyristor cooling Hence, it was considered the convection...
  • 20
  • 280
  • 0
Power Quality Harmonics Analysis and Real Measurements Data Part 10 docx

Power Quality Harmonics Analysis and Real Measurements Data Part 10 docx

Ngày tải lên : 19/06/2014, 08:20
... behavior is characterized by the equivalent harmonic impedance matrix, ZBusk, which relates the kth harmonic three-phase voltages and currents at the three-phase load node, Vk = [VAk VBk VCk]T ... behavior is characterized by the equivalent harmonic admittance matrix, YBusk, which relates the kth harmonic three-phase currents and voltages at the node I, IIk = [IAk IBk ICk]T and VIk = [VAk...
  • 20
  • 454
  • 0
Power Quality Harmonics Analysis and Real Measurements Data Part 12 docx

Power Quality Harmonics Analysis and Real Measurements Data Part 12 docx

Ngày tải lên : 19/06/2014, 08:20
... and cables, error of power electronic equipments operations and telephone interference Many desktop personal computers still present a nonlinear load to the AC supply This is because they have...
  • 20
  • 341
  • 0
Power Quality Harmonics Analysis and Real Measurements Data Part 14 docx

Power Quality Harmonics Analysis and Real Measurements Data Part 14 docx

Ngày tải lên : 19/06/2014, 08:20
... module, n the ideal constant of diode, VT is the thermal potential of a module and it is given by m· (kT/ q) where k the Boltzmann's constant (1.38E-23 J/K), T the cell temperature measured in K, q the...
  • 20
  • 231
  • 0

Xem thêm