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Diffstat (limited to '3811/CH2/EX2.4/Ex2_4.sce')
| -rw-r--r-- | 3811/CH2/EX2.4/Ex2_4.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3811/CH2/EX2.4/Ex2_4.sce b/3811/CH2/EX2.4/Ex2_4.sce new file mode 100644 index 000000000..f85ac280d --- /dev/null +++ b/3811/CH2/EX2.4/Ex2_4.sce @@ -0,0 +1,16 @@ +//Book name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi +//chapter2 +//example 2.4 +//edition 1 +//publisher and place:Nelson Engineering +clc; +clear; +Ls=8;//snubbing inductor in microhenry +VBO=4000;//base voltage in volts +di=200;//rate of change of current (di/dt) in amperes per microsec +dv=1500;//rate of change of voltage (dv/dt) in volt per microsce +Cs=10;//snubbing capacitance in microfarad +Rs=sqrt(VBO/(0.5*di*Cs));//snubbing resistance in ohms +dVscr=((Rs*VBO)/Ls);///rate of change of SCR voltage with respect to time +mprintf("The given snubber circuit is suitable for protecting the SCR from excessive %f volt per microsec",dVscr) + |