From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3813/CH4/EX4.4/Ex4_4.jpg | Bin 0 -> 14044 bytes 3813/CH4/EX4.4/Ex4_4.sce | 17 +++++++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 3813/CH4/EX4.4/Ex4_4.jpg create mode 100644 3813/CH4/EX4.4/Ex4_4.sce (limited to '3813/CH4/EX4.4') diff --git a/3813/CH4/EX4.4/Ex4_4.jpg b/3813/CH4/EX4.4/Ex4_4.jpg new file mode 100644 index 000000000..9699238e4 Binary files /dev/null and b/3813/CH4/EX4.4/Ex4_4.jpg differ diff --git a/3813/CH4/EX4.4/Ex4_4.sce b/3813/CH4/EX4.4/Ex4_4.sce new file mode 100644 index 000000000..a7322d63a --- /dev/null +++ b/3813/CH4/EX4.4/Ex4_4.sce @@ -0,0 +1,17 @@ +//Electric Drives:concepts and applications by V.subrahmanyam +//Publisher:Tata McGraw-Hill +//Edition:Second +//Ex4_4 +clc; +clear; +V=250;// voltage in V +f=50;//frequency in Hz +R=1.5;// Resistance in ohm +L=30;//inductance in mH +Eb=100;//Back emf in V +Alpha=0.866;//angle +Vc=0.9*V*Alpha; +Id=(Vc-Eb)/R; +P=Vc*Id*10^(-3); +pf=0.9*Alpha; +disp(pf,"powerfactor is:") -- cgit