By Sasha Sara. Motor. Publised at Monday, December 18th 2017, 08:03:25 AM. What can be seen is there is not increase of the power output; the motor simply reaches its maximum power at a lower speed, all at the great expense of a four-fold increase in motor heating.
By Bertille Solange. Motor. Published at Thursday, December 28th 2017, 02:57:57 AM. The power output decreases with speed because of the constant-torque loss due to detent torque and other losses. The same effect causes a slight decrease in torque with speed in the constant torque region as well. Finally, there is a rounding of the torque curve at the corner speed because the drive gradually transitions from being a current source to being a voltage source. The drive limits current to the motor below the corner speed and thus is a current source. Above the corner speed, the motor’s inductive reactance limits the current and the drive becomes a voltage source as it applies all of the power supply voltage to the motor.
By Alix Loane. Circuit. Published at Thursday, December 28th 2017, 02:30:59 AM. Physical circuits are constructed of real, physical devices. They can be inspected, tested, and modified. They consume electric power when energized, and they can function properly and do some meaningful work, or they can malfunction and create serious hazards to health and property. Even small circuits that are quickly and easily constructed still take time and money to build, and they can take a very long time to perfect.
By Madeleine Catherine. Car Wiring. Published at Thursday, December 28th 2017, 00:43:47 AM. As you know, a diesel engine differs from other liquid fuel engines in one major respect: the fuel/air charge is ignited by cylinder pressure and resulting heat, instead of via an electrical ignition system (diesel-fueled engines don’t use spark plugs).
By Sasha Sara. Car Wiring. Published at Thursday, December 28th 2017, 00:39:16 AM. This type of circuit is called an earth-return system any part of it connected to the car body is said to be earthed. If the battery voltage drops, less current flows, and eventually there is not enough to make the components work.
By Lydie Honorine. Car Wiring. Published at Wednesday, December 27th 2017, 23:39:45 PM. There are many fuses, each protecting a small group of components, so that one blown fuse does not shut down the whole system. Many of the fuses are grouped together in a fuse box, but there may also be line fuses in the wiring.
By Lydie Honorine. Power. Published at Wednesday, December 27th 2017, 20:45:16 PM. Another characteristic of any linear regulator is that it requires a finite amount of time to "correct" the output voltage after a change in load current demand. This "time lag" defines the characteristic called transient response, which is a measure of how fast the regulator returns to steady-state conditions after a load change.
By Valentine Sybille. Circuit. Published at Wednesday, December 27th 2017, 18:06:37 PM. Voltage is measured in units of Joules per Coulomb, known as a Volt (V). It is important to remember that voltage is not an absolute quantity, rather, it is always considered as a relative value between two points. In an electronic circuit, the electromagnetic problem of voltages at arbitrary points in space is typically simplified to voltages between nodes of circuit components such as resistors, capacitors, and transistors
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