Answered: The air gaps of the relay in figure 1.2…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The air gaps of the relay in figure 1.2 are both 0.5 cm. the magnetic flux densities of the air gap and the core are assumed to be equal, ignoring the flux leakage and scattering effect. the relay core (including its pallet) is physically and structurally identical and of square cross-section, made of cast steel with the magnetization curve given in figure 1.1. the sides of the cross-sectional area are 4 em. other dimensions given in figure 1.2. the magnetic flux density is always required for the relay to pull the pallet and for the pallet to stay pulled. the number of turns of the relay is n=4480. for the relay to pull the pallet find how much current is required (to activate) (il-?). how much current is needed (i2-?) for the relay to remain on when its pallet is drawn (with the air gap closed) and this in this case, find what is the reluctance (r-?) of the core. find the magnetic circuit inductance (l-?) when the air gap of the relay is closed (activated) and the current i2 is drawn. your solution write the results you have found by doing it legibly, by drawing a box as below.

Ramadan day 41 Jab
C
Magnetik akı yoğunluğu (T)
11°C
Mostly cloudy
4.1
1.0
0,9
0.8
Ca
DR
0.7
G
oys.karabuk.edu.tr
Okunaku şekilde yaparak buldugunuz sonuçları, aşagıdaki gibi kutu çizerek Içine
1.21
20,5 cm
A er
0.4
https://obs.karabuk.edu.t
0.3
0.2
9,1
107
in MTM306vize
200
Silikonly
Gelik saç.
(1) WhatsApp
Q Ara
döküm
felk
döküm
Quest
600 800
Magnetik alan şiddeti (At/m)
Şekil 1.1. Mıknatıslanma eğrileri
il=
i2=
X
Watch Young Wallander
1000
T
x
R=
(19) أمي ثم أمي / ouTube
wat
0,5 cm
12 cm
4CM
+
TOTALLIT
←
270
TUR
with
20cm
Şekil 1.2. Röle magnetik devresi
L=
3:08 pm
12/04/2023

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