diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3811/CH11/EX11.3 | |
| 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 '3811/CH11/EX11.3')
| -rw-r--r-- | 3811/CH11/EX11.3/Ex11_3.jpg | bin | 0 -> 18113 bytes | |||
| -rw-r--r-- | 3811/CH11/EX11.3/Ex11_3.sce | 17 |
2 files changed, 17 insertions, 0 deletions
diff --git a/3811/CH11/EX11.3/Ex11_3.jpg b/3811/CH11/EX11.3/Ex11_3.jpg Binary files differnew file mode 100644 index 000000000..be0943773 --- /dev/null +++ b/3811/CH11/EX11.3/Ex11_3.jpg diff --git a/3811/CH11/EX11.3/Ex11_3.sce b/3811/CH11/EX11.3/Ex11_3.sce new file mode 100644 index 000000000..77c19215a --- /dev/null +++ b/3811/CH11/EX11.3/Ex11_3.sce @@ -0,0 +1,17 @@ +//Book Name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi
+//chapter 11
+//example 11.3
+//edition 1
+//publishing place:Thomson Learning
+clc;
+clear;
+Ra=2;//armature resistance in ohm
+Tst1=2;//limited starting time in sec
+Kphi=3;//field constant in V sec
+Jm=1;//motor moment of inertia in Nm
+Jl=5;//load moment of inertia in Nm
+tau=((Jl+Jm)*Ra)/Kphi^(2);
+Tst=3*tau;//starting time of the motor based on given data in sec
+Jeq=(Tst1*(Kphi^(2)))/(3*Ra);
+gr=sqrt((Jeq-Jm)/Jl);//gear ratio n1/n2
+mprintf("To achieve the desired starting current the gear ratio n1/n2 must be between %f",gr)
|
