Electric Motor Control
10th Edition
ISBN: 9781305177611
Author: Herman
Publisher: Cengage
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Chapter 33, Problem 4SQ
What is the primary reason for using a compelling relay?
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Write a PIC16F877A program that flash ON the 8-LED's connected to port-B by using
two switches connected to port-D (Do & D₁) as shown in figure below, according to the
following scenarios: (Hint: Use 500ms delay for each case with 4MHz frequency)
1. When Do=1 then B₁,B3,B7 are ON.
2. When Do 0 then Bo,B2, B4, B5, B6 are ON.
3. When D=1 then B4, B5, B6, B7 are ON.
4. When D₁=0 then B0,B1,B2,B3 are ON.
U1
OSC1/CLION
33
OSC2/CLKOUT T 34
5
U2
20
10
35
3
18
10
- 30 -ou-un
RB2
2
RA1/AN1
PA3/AN3VREF+
RA4/TOCKIC1OUT
RACIANO 0RB3PGM 37
33
4
17
5
10
RB4
39
RA2/ANZ/VREF-CVREF
RB5
15
39
7
14
RB6PGC
40
13
RB7/PGO
RAS/AN4/SS/C2OUT
+
15
RCOT1OSOTICK
10
RECANARD
RE1/AN/R
REZ/ANTICS
✓ MCLR/Vpp/THV
RC2/CCP1
RC3/SCK/SCL
RCA/SOISDA
RC5/S00
RCB/TX/CK
10
RC1/T10SUCCP2
17
LED-BARGRAPH-RED
RC7/RX/DT
ROOPSPO
RD1/PSP1
R02/PSP2
RD3/PSP3
ROUPSP4
RD5PSP5
ROOPSPO
RO7/PSP7
PIC16F877A
+5V
R2
100R
R1
100R
Don't use ai to answer I will report you answer
If V(t) = 99e-58t mV and is (0)
is (t) for t>0
Vs
is
+
is(t) = ☐
mA
8 mF
=-80 mA, find
24 mF
20 mH
Chapter 33 Solutions
Electric Motor Control
Ch. 33 - Prob. 1SQCh. 33 - Prob. 2SQCh. 33 - Prob. 3SQCh. 33 - What is the primary reason for using a compelling...Ch. 33 - What is the purpose of an accelerating relay?Ch. 33 - When is it most important to use decelerating...Ch. 33 - Why are different motor connections shown for what...Ch. 33 - How many windings are required for three-speed...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Expert only, don't use Artificial intelligence or screen shot it solvingarrow_forwardSolve this. find the initial conditions ic(0-) and vc(0-) the switch opens at t=0 so it's closed at t=0- dont copy the response from previous because it's wrong. please solve in great detail explaining everything step by step. now the way i thought about it is Getting millman voltage (1/3)-2 / (1/3)+(1/2) and it's the same as Vc as both are nodal voltages but i wasn't sure if correct. because i didnt take into consideration all voltages (Vc here) even though it's the same so i'm quite confused. please explain to me if i'm correct and if not tell me why and where my thinking was flawed. thank youarrow_forward3. Consider the RL circuit with a constant voltage source shown in the diagram below. The values of the resistor, inductor, and input voltage are R = 100, L = 100 mH, and Vo = 12V, respectively. Vo - Ti(t) R w When the switch closes at time t = 0, the current begins to flow as a function of time. It follows from Kirchoff's voltage law that the current is described by the differential equation di(t) L dt + Ri(t) = Vo⋅arrow_forward
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