100 V DC seri motor kalkışta 50 A yol alma akımı çekmektedir. Endüvi devresi toplam direnci (Ra) seri uyartım sargısı toplam direncinin (Rs) 4 katı olan motor anma yükünde (tam yükte)IL-5 A hat akımı çekmektedir. Motor tam yükte 600 devir/dakika hızla dönmektedir. Motorun kalkış anında çektiği akımı, 10 A değerine sınırlamak için gerekli ve elektriksel kaynak ile motor arasınabağlanacak yol verme direncini (Rst) bulunuz. Motorun anma yükündeki (tam yükteki) iç üretilmiş gerilim (Ea) değerini bulunuz. Motorun yükü değiştirilerek hat akımı 2 A değerine düşürülürsebu durumdaki yeni devir sayısını devir/dakika olarak (n2) bulunuz. Bulduğunuz değerleri aşağıdaki kutuların içine yazınız.(100 V DC serial motor has a starting current value of 50 A. Total armature resistance (Ra) value is 4 times of serial field circuit total resistance (Rs) for this motor. And rated load (full load) line currentvalue is I₁=5 A. Motor is rotating with 600 rpm value under rated load conditions. Find the starting resistance (Rst) for this motor to be connected between the electrical source and the motor, tolimit the starting current to 10 A. Find the internal generated voltage (Ea) value under rated load (full load) conditions. If the load of this motor is changed till having a line current value of 2 A.find the new speed value of this motor in rpm (n2). Write the answers inside boxes below.)Rst=Ea=n2=

The above question is based on DC series motor.

(100 V DC serial motor has a starting current value of 50 A. Total armature resistance (Ra) value is 4 times of serial field circuit total resistance (Rs) for this motor. And rated load (full load) line current value is IL 5 A. Motor is rotating with 600 rpm value under rated load conditions. Find the starting resistance (Rst) for this motor to be connected between the electrical source and the motor, to limit the starting current to 10 A. Find the internal generated voltage (Ea) value under rated load (full load) conditions. If the load of this motor is changed till having a line current value of 2 A. find the new speed value of this motor in rpm (n2). Write the answers inside boxes below.) Rst= Ea= n2=

(100 V DC serial motor has a starting current value of 50 A. Total armature resistance (Ra) value is 4 times of serial field circuit total resistance (Rs) for this motor. And rated load (full load) line current value is IL 5 A. Motor is rotating with 600 rpm value under rated load conditions. Find the starting resistance (Rst) for this motor to be connected between the electrical source and the motor, to limit the starting current to 10 A. Find the internal generated voltage (Ea) value under rated load (full load) conditions. If the load of this motor is changed till having a line current value of 2 A. find the new speed value of this motor in rpm (n2). Write the answers inside boxes below.) Rst= Ea= n2=

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter8: Basic Electric Motors

Section: Chapter Questions

Problem 45RQ: True or False: The control module determines the speed of the compressor in order to meet the load...

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