Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Question
Chapter 33, Problem 17RQ
To determine
The principle of operation of a capacitor-start capacitor-run motor.
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jX(1)=j0.2p.u.
jXa(2)=j0.15p.u.
jxa(0)=0.15 p.u.
V₁=1/0°p.u.
V₂=1/0° p.u.
1
jXr(1) = j0.15 p.11.
jXT(2) = j0.15 p.u.
jXr(0) = j0.15 p.u.
V3=1/0° p.u.
А
V4=1/0° p.u.
2 jX1(1)=j0.12 p.u. 3 jX2(1)=j0.15 p.u. 4
jX1(2)=0.12 p.11.
JX1(0)=0.3 p.u.
jX/2(2)=j0.15 p.11.
X2(0)=/0.25 p.1.
Figure 1. Circuit for Q3 b).
can you show me full workings for this problem. the solution is -
v0 = 10i2 = 2.941 volts, i0 = i1 – i2 = (5/3)i2 = 490.2mA.
Q4.
a)
Consider a transmission line modelled as a four-terminal network with an
unknown configuration. You are provided with the following measured
parameters at the operating frequency:
Open-circuit voltage ratio: 0.9521°
• Short-circuit impedance: 40+j80
• Open-circuit admittance: -j2 × 10-4 S
Use the four terminal equations and the provided measurements to
mathematically derive the A, B, C, and D parameters of the network and
explain their physical significance. Show your work and formulas used in
the derivation.
Chapter 33 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 33 - What are the three basic types of split-phase...Ch. 33 - The voltages of a two-phase system are how many...Ch. 33 - How are the start and run windings of a...Ch. 33 - In order to produce maximum starting torque in a...Ch. 33 - What is the advantage of the capacitor-start...Ch. 33 - On average, how many degrees out of phase with...Ch. 33 - What device is used to disconnect the start...Ch. 33 - Why does a split-phase motor continue to operate...Ch. 33 - How can the direction of rotation of a split-phase...Ch. 33 - If a dual-voltage split-phase motor is to be...
Ch. 33 - When determining the direction of rotation for a...Ch. 33 - What type of split-phase motor does not generally...Ch. 33 - What type of single-phase motor develops the...Ch. 33 - Prob. 14RQCh. 33 - Prob. 15RQCh. 33 - When a repulsion-start induction-run motor reaches...Ch. 33 - Prob. 17RQCh. 33 - What causes the magnetic field to rotate in a...Ch. 33 - How can the direction of rotation of a shaded-pole...Ch. 33 - Prob. 20RQCh. 33 - Prob. 21RQCh. 33 - Prob. 22RQCh. 33 - Prob. 23RQCh. 33 - Prob. 24RQCh. 33 - What is the principle of operation of a stepping...Ch. 33 - What does the term bifilar mean?Ch. 33 - Prob. 27RQCh. 33 - When a stepping motor is connected to AC power,...Ch. 33 - What is the synchronous speed of an eight-pole...Ch. 33 - How can the holding torque of a stepping motor be...Ch. 33 - Why is the AC series motor often referred to as a...Ch. 33 - Prob. 32RQCh. 33 - How is the direction of rotation of the universal...Ch. 33 - Prob. 34RQCh. 33 - Prob. 35RQCh. 33 - Prob. 36RQCh. 33 - Prob. 1PA
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