WebJan 18, 2024 · DC Generator Problem 1 Solution: The Generator Circuit is as shown in the figure, DC Shunt Generator. Current through shunt field winding is, I sh = 230 / 50 = 4.6 A … WebThe armature, series field and shunt field resistances of a 125kW, 250V long shunt cumulative compound dc generator are 0.025-ohm, 0.01 ohm and 30 ohms, respectively. If the stray power loss at rated load is 5kW, determine the motor brake horsepower required to drive this machine.
Speed Torque Characteristics of D.C Motor-Easy …
WebFeb 24, 2012 · A DC shunt motor (also known as a shunt wound DC motor) is a type of self-excited DC motor where the field windings are shunted to … WebDC Machine Example 1: A 25 kW 125 V separately excited dc machine is operated at a constant speed of 3000 rpm with a constant eld current such that the open circuit terminal voltage is 125 V. R a = 0:02 . 1.The machine is acting as a generator with V t = 124 V and P t =24 kW. Find the speed. 2.The machine is acting as a motor with V t = 123 V ... bin store seattle
Types of D.C Machine - javatpoint
WebCompound (Wound stator). Let’s see the basics of each type as well as their advantages and disadvantages. 1. Permanent Magnet Motors. Permanent Magnet Motor. The permanent … WebEg = PΦZN/60A = (4x10/1000x1224x612.75)/ (60x4) = 0.125 kV. 2. A 250 volt DC shunt motor has armature resistance of 0.25 ohm on load it takes an armature current of 50A … WebOur 1000+ DC Machines MCQs (Multiple Choice Questions and Answers) focuses on all chapters of DC Machines covering 100+ topics. You should practice these MCQs for 1 hour daily for 2-3 months. This way of systematic learning will prepare you easily for DC Machines exams, contests, online tests, quizzes, MCQ-tests, viva-voce, interviews, and ... dade county ga dept of education