HVTest HT-802, Руководство пользователя

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64
EM=57.735
∠
0º EN=57.735
∠
δ
Oscillation start angle=δ1=θ1*π/180
Oscillation end angle=δ2=θ2*π/180
Z11=ZM+ZL+ZN ZM=|ZM|
∠
90º ZL=|ZL|
∠
90º ZN=|ZN|
∠
90º
Iz=2*57.735/Z11 K=ZM/Z11 f1=50.000Hz f2=1/Tz
ф1=240º=240*π/180=4*π/3 ф2=120º=120*π/180=2*π/3
(1) Rotation oscillation (calculate waveform by DSP)
oscillation period
（
S
）
=Tz f1=50.000Hz
，
f2=1/Tz
UA=57.735*√2*Sin(2*π*f1*t)*√1-4*K*(1-K)*Sin²(π*f2*t+δ1/2)
UB=57.735*√2*Sin(2*π*f1*t+ф1)*√1-4*K*(1-K)*Sin²(π*f2*t+δ1/2)
UC=57.735*√2*Sin(2*π*f1*t+ф2)*√1-4*K*(1-K)*Sin²(π*f2*t+δ1/2)
IA=Iz*√2*Sin(π*f2*t+δ1/2)*Sin(2*π*f1*t+0)
IB=Iz*√2*Sin(π*f2*t+δ1/2)*Sin(2*π*f1*t+ф1)
IC=Iz*√2*Sin(π*f2*t+δ1/2)*Sin(2*π*f1*t+ф2)
(2) Swing oscillation (calculate waveform by DSP)
UA=57.735*√2*Sin(2*π*f1*t)
*√1-4*K*(1-K)*Sin²((δ2-δ1)/2*|Sin(π*f2*t)|+δ1/2)
UB=57.735*√2*Sin(2*π*f1*t+ф1)
*√1-4*K*(1-K)*Sin²((δ2-δ1)/2*|Sin(π*f2*t)|+δ1/2)
UC=57.735*√2*Sin(2*π*f1*t+ф2)
*√1-4*K*(1-K)*Sin²((δ2-δ1)/2*|Sin(π*f2*t)|+δ1/2)