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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3775/CH7/EX7.4/Ex7_4.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3775/CH7/EX7.4/Ex7_4.sce')
| -rw-r--r-- | 3775/CH7/EX7.4/Ex7_4.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3775/CH7/EX7.4/Ex7_4.sce b/3775/CH7/EX7.4/Ex7_4.sce new file mode 100644 index 000000000..f0605a583 --- /dev/null +++ b/3775/CH7/EX7.4/Ex7_4.sce @@ -0,0 +1,20 @@ +//Ex 7.4 page 261 + +clc; +clear; +close; + +Vs=230;// V +Ton=10;// ms +Toff=25;// ms +Ra=2;//ohm +N=1400;// rpm +k=0.5;// V/rad/s (back emf constant) +kt=0.5;// NM-A**-1 (torque constant) + +Eb=N*2*%pi*k/60;// V +Va=Vs*Ton/(Toff);// V +Ia=(Va-Eb)/Ra;// A +T=kt*Ia;// Nm +printf('\n average armature current = %.2f A', Ia) +printf('\n torque = %.3f Nm', T) |