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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /1445/CH10/EX10.10/ch10_ex_10.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 '1445/CH10/EX10.10/ch10_ex_10.sce')
| -rw-r--r-- | 1445/CH10/EX10.10/ch10_ex_10.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/1445/CH10/EX10.10/ch10_ex_10.sce b/1445/CH10/EX10.10/ch10_ex_10.sce new file mode 100644 index 000000000..ce8d85e4a --- /dev/null +++ b/1445/CH10/EX10.10/ch10_ex_10.sce @@ -0,0 +1,26 @@ +//CHAPTER 10- THREE-PHASE INDUCTION MACHINES +//Example 10 + +disp("CHAPTER 10"); +disp("EXAMPLE 10"); + +//VARIABLE INITIALIZATION +P=6; //number of poles +f=60; //in Hertz +p=48; //stator input in Watts +N_r=1140; //in rpm +cu_loss=1.4; //stator copper loss in Watts +cr_loss=1.6; //stator core loss in Watts +me_loss=1; //rotor mechanical loss in Watts + +//SOLUTION +N_s=(120*f)/P; +s=(N_s-N_r)/N_s; +p_g=p-(cu_loss+cr_loss); //rotor input +p_m=p_g*(1-s); //output mechanical power +p_sh=p_m-me_loss; //shaft power +eff=p_sh/p; +disp(sprintf("The motor efficiency is %f %%",eff*100)); + +//END + |