Module 3 Flashcards
any electromagnetic device that converts information from mechanical to electrical form, and vice-versa
Synchro
the condition of two rotors when they are both displaced from zero by the same angle
Correspondence
the angle through which a transmitter rotor is mechanically rotated
Signal
the difference between the ordered position and the actual position
Error
a torque-differenctial receiver
TDR
a torque-differential transmitter
TDX
an automatic system that controls the physical positioning of a device
Servo
An electromechanical device that converts information from mechanical to electrical form, and vice-versa, is called a(n) _____.
Synchro
Synchros resemble small electric motors. They have a(n) _____ and a(n) _____.
Rotor, Stator
Multiple windings in synchro are connected in the shape of a(n) _____.
Y
In a synchro transmitter or receiver, do the stator coils serve as primary windings or as secondary windings?
Secondary
What is the electrical difference between a synchro transmitter and a synchro receiver of the same size?
No difference
When the rotors in a synchro system are displaced from zero by the same angle, the rotors are said to be in _____.
Correspondence
What is the name for the angle through which the rotor of a synchro transmitter is mechanically rotated?
Signal
Two devices used in amplifying the torque in a synchro transmission system are the _____ and the _____.
Servo system, amplidyne
You can reverse the direction a device rotates by connecting it to a synchro receiver by means of _____.
gears
To detect an error, a synchro system must accept _____ signals.
Two
How is the error related to the two signals received by a synchro system?
Equals difference between signals
What are the symbols for synchro transmitters and receivers, and for differential transmitters and receivers?
TX, TR; TDX, TDR
Reversing the S1 and S2 leads, or the R1 and R2 leads, changes the value of the output from the _____ to the _____ of the two inputs.
Difference; Sum
A control transformer is a synchro that supplies a (n) _____ signal from its rotor.
AC
What is the symbol for a control transformer?
CT
The output of a CT can be varied by changing either the _____ or the _____.
Rotor position, Signal to stator
The general term for an electromechanical device that converts information from mechanical to electrical form is
Synchro
What is the name for a synchro system that can accept two signals, add or subtract them, and produce a proportional signal?
Differential synchro system.
In blueprints and diagrams showing synchros, the letters R and S identify the
Rotor and stator connections.
TX is the symbol for a
Synchro transmitter.
Multiple windings in a synchro are connected in (a)
Y
A system consisting of two synchro transmitters and a differential receiver is labeled
TX-TX-TDR
If the slots of a rotor are turned at an angle from the axis, they are said to be
Skewed.
All of the following devices are amplifying devices, except the
a. servo
b. servocontrol
c. servomechanism
d. servo system
b. Servocontrol
The angle through which a transmitter rotor is mechanically rotated is called a(n)
Signal
The magnitude and phase of the output of a CT depends on the relationship between the
Stator field and rotor.