Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...
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Answer 8&9
D1
D2
A
F1
50 V
50 V
G
10 AMP
D3
D4
T1
V1
220 Vrms
- 60 Hz
0°
R1
10kQ
50 V
50 V
18.33
S1
B
D
F
Key = A
1.
Identify the components used in the given circuit. Describe briefly the use(s) of these components/devices in the circuit.
NOTE: turns ratio of T1 = 18.33
2.
What are the voltages across the following points if a multi-tester set at 600V AC range is connected at these points?
(а) АВ:
(b) CD:
(c) EF:
(d) GH:
3.
What are the voltages across the following points if a multi-tester set at 600V DC range is connected at these points?
(а) АВ:
(b) CD:
(c) EF:
(d) GH:
NOTE: Vdc for HW rectifier = 0.318 * Vpeak = 0.45 * Vrms
4.
Draw/Sketch the voltages across the points AB, CD, EF and at GH if the D1 and D2 are to be represented in their 1st
approximations.
5. Draw/Sketch the voltages across the points AB, CD, EF and at GH if the D1 and D2 are to be represented in their 2nd
approximations (consider Vf = 0.7V for D1 and D2).
6.
An AC ammeter is connected in series with the primary winding of T1. What is the expected current reading?
7.
An AC ammeter is connected in series with the secondary winding of T1. What is the expected current reading?
8. An
АС
ammeter is connected in
series
with R1.
What is the expected current reading?
NOTE: Idc for HW rectifier = 0.318 * Ipeak = 0.45 * Irms
9. Describe/Explain briefly the purpose/use of the array (series-parallel) connection of the rectifier diodes in the given circuit.
II. Redo/Repeat I. Instead, use ItSpice (or any equivalent/similar software).
Transcribed Image Text:D1 D2 A F1 50 V 50 V G 10 AMP D3 D4 T1 V1 220 Vrms - 60 Hz 0° R1 10kQ 50 V 50 V 18.33 S1 B D F Key = A 1. Identify the components used in the given circuit. Describe briefly the use(s) of these components/devices in the circuit. NOTE: turns ratio of T1 = 18.33 2. What are the voltages across the following points if a multi-tester set at 600V AC range is connected at these points? (а) АВ: (b) CD: (c) EF: (d) GH: 3. What are the voltages across the following points if a multi-tester set at 600V DC range is connected at these points? (а) АВ: (b) CD: (c) EF: (d) GH: NOTE: Vdc for HW rectifier = 0.318 * Vpeak = 0.45 * Vrms 4. Draw/Sketch the voltages across the points AB, CD, EF and at GH if the D1 and D2 are to be represented in their 1st approximations. 5. Draw/Sketch the voltages across the points AB, CD, EF and at GH if the D1 and D2 are to be represented in their 2nd approximations (consider Vf = 0.7V for D1 and D2). 6. An AC ammeter is connected in series with the primary winding of T1. What is the expected current reading? 7. An AC ammeter is connected in series with the secondary winding of T1. What is the expected current reading? 8. An АС ammeter is connected in series with R1. What is the expected current reading? NOTE: Idc for HW rectifier = 0.318 * Ipeak = 0.45 * Irms 9. Describe/Explain briefly the purpose/use of the array (series-parallel) connection of the rectifier diodes in the given circuit. II. Redo/Repeat I. Instead, use ItSpice (or any equivalent/similar software).
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