![Electrical Machine-I EE-241](http://s1.studyres.com/store/data/015126023_1-24cf344410ef4742a4f3266172765786-300x300.png)
Robotics Technology Background
... Like I wrote before, one of the most interesting aspects of robots in general is their behavior, which requires a form of intelligence. The simplest behavior of a robot is locomotion. Typically, joints and wheels are used as the underlying mechanism to make a robot move from one point to the next. ...
... Like I wrote before, one of the most interesting aspects of robots in general is their behavior, which requires a form of intelligence. The simplest behavior of a robot is locomotion. Typically, joints and wheels are used as the underlying mechanism to make a robot move from one point to the next. ...
Motor Service Factor - Toshont Power Products
... NEMA frame low voltage motors are typically designed with a 1.15 Service Factor (SF). It is common on some higher horsepower, or application specific motors to be 1.0SF based on special design, enclosure size etc. There are two aspects to Service Factor. 1) The first is motor temperature. Temperatur ...
... NEMA frame low voltage motors are typically designed with a 1.15 Service Factor (SF). It is common on some higher horsepower, or application specific motors to be 1.0SF based on special design, enclosure size etc. There are two aspects to Service Factor. 1) The first is motor temperature. Temperatur ...
chapter 2 switched reluctance motor and its application
... synchronous motor and the induction motor. They are known to have high peak torque-to-inertia ratios and the rotor mechanical structure is well suited for high-speed applications. In addition to that, unipolar drive of the reluctance motor is possible and therefore, the converter requires fewer swit ...
... synchronous motor and the induction motor. They are known to have high peak torque-to-inertia ratios and the rotor mechanical structure is well suited for high-speed applications. In addition to that, unipolar drive of the reluctance motor is possible and therefore, the converter requires fewer swit ...
electrical engineering technology emt 113/4
... -COMMUTATOR : mechanical rectifier, which changes the AC voltage of the rotating conductors to DC voltage - BRUSHES : conduct the current from the commutator to the external circuit - WINDINGS •uniform magnetic flux is established by fixed poles mounted on the inside of the stationary number called ...
... -COMMUTATOR : mechanical rectifier, which changes the AC voltage of the rotating conductors to DC voltage - BRUSHES : conduct the current from the commutator to the external circuit - WINDINGS •uniform magnetic flux is established by fixed poles mounted on the inside of the stationary number called ...
MOTOR DRIVE APPLICATION SYAHFITRI BIN SAIDIN A project repo
... power. They are commutated series-wound motors or shunt-wound motors where the stator's field coils are connected in series or parallel with the rotor windings through a commutator. This type of electric motor can operate well on AC because the current in both the field coils and the armature (and t ...
... power. They are commutated series-wound motors or shunt-wound motors where the stator's field coils are connected in series or parallel with the rotor windings through a commutator. This type of electric motor can operate well on AC because the current in both the field coils and the armature (and t ...
AMT 109C Course Notes
... But like directions of “flux” lines attract, and opposite directions repel. Electrons moving in matter will cause magnetic lines of force (flux). Magnetic lines of force moving through matter can cause electrons to move. A few materials are very receptive to this interaction such as iron, and a few ...
... But like directions of “flux” lines attract, and opposite directions repel. Electrons moving in matter will cause magnetic lines of force (flux). Magnetic lines of force moving through matter can cause electrons to move. A few materials are very receptive to this interaction such as iron, and a few ...
Training: How Often Is Enough
... Management also plays a key role in successful troubleshooting. Creating manuals takes time, which costs money. Training employees may result in reduced labor available, which may cause scheduling conflicts. Calling in experts is expensive. However, it’s much more costly to lose extra time due to fu ...
... Management also plays a key role in successful troubleshooting. Creating manuals takes time, which costs money. Training employees may result in reduced labor available, which may cause scheduling conflicts. Calling in experts is expensive. However, it’s much more costly to lose extra time due to fu ...
In this lesson we will Study the control of several different kinds of
... All data outputs are OFF independent of the input data 3. When the signal ~RBI – Ripple Blank Input is active All data inputs are low All data outputs are OFF Signal ~RBO is active When implementing a multi digit display To save power, weight, and the cost of parts The decoder can be multiplexed amo ...
... All data outputs are OFF independent of the input data 3. When the signal ~RBI – Ripple Blank Input is active All data inputs are low All data outputs are OFF Signal ~RBO is active When implementing a multi digit display To save power, weight, and the cost of parts The decoder can be multiplexed amo ...
Commutator (electric)
![](https://commons.wikimedia.org/wiki/Special:FilePath/Universal_motor_commutator.jpg?width=300)
A commutator is the moving part of a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit. It consists of a cylinder composed of multiple metal contact segments on the rotating armature of the machine. The commutator is one component of a motor; there are also two or more stationary electrical contacts called ""brushes"" made of a soft conductor like carbon press against the commutator, making sliding contact with successive segments of the commutator as it rotates. The windings (coils of wire) on the armature are connected to the commutator segments. Commutators are used in direct current (DC) machines: dynamos (DC generators) and many DC motors as well as universal motors. In a motor the commutator applies electric current to the windings. By reversing the current direction in the rotating windings each half turn, a steady rotating force (torque) is produced. In a generator the commutator picks off the current generated in the windings, reversing the direction of the current with each half turn, serving as a mechanical rectifier to convert the alternating current from the windings to unidirectional direct current in the external load circuit. The first direct current commutator-type machine, the dynamo, was built by Hippolyte Pixii in 1832, based on a suggestion by André-Marie Ampère. Commutators are relatively inefficient, and also require periodic maintenance such as brush replacement. Therefore, commutated machines are declining in use, being replaced by alternating current (AC) machines, and in recent years by brushless DC motors which use semiconductor switches.