From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 2252/CH18/EX18.1/Ex18_1.jpeg | Bin 0 -> 32183 bytes 2252/CH18/EX18.1/Ex18_1.sce | 17 +++++++++++++++++ 2 files changed, 17 insertions(+) create mode 100755 2252/CH18/EX18.1/Ex18_1.jpeg create mode 100755 2252/CH18/EX18.1/Ex18_1.sce (limited to '2252/CH18/EX18.1') diff --git a/2252/CH18/EX18.1/Ex18_1.jpeg b/2252/CH18/EX18.1/Ex18_1.jpeg new file mode 100755 index 000000000..9ab33c091 Binary files /dev/null and b/2252/CH18/EX18.1/Ex18_1.jpeg differ diff --git a/2252/CH18/EX18.1/Ex18_1.sce b/2252/CH18/EX18.1/Ex18_1.sce new file mode 100755 index 000000000..8c3078f53 --- /dev/null +++ b/2252/CH18/EX18.1/Ex18_1.sce @@ -0,0 +1,17 @@ + +i=linspace(0,1.6,9) +V=[0 40 66 86 101 112 121 128 133] +plot(i,V,rect=[0 0 1.6 133]) +xtitle("Magnetization curve for example 18.1","Field Current","Generated emf") + +//refer Fig. 18.4 in the textbook +Rsh=94//resistance of shunt field winding +//OA is the field resistance line for this resistance +Voc=126//voltage corresponding to point A +mprintf("Open circuit voltage when the field circuit resistance is 94 ohm=%d V\n",Voc) +//D is point on OCC corresponding to 110 V. OD represents the field resistance line to generate this voltage +R=70/.6//total resistance of shunt field circuit +mprintf("Additional resistance in the shunt field circuit is %f ohm\n", R-Rsh) +//line OE represents the critical resistance of shunt field +Rc=40/.2 +mprintf("Critical resistance=%d ohm",Rc) -- cgit