By Bertille Solange. Circuit. Publised at Tuesday, December 19th 2017, 13:16:40 PM. 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 Alix Loane. Car Wiring. Published at Saturday, December 30th 2017, 04:37:00 AM. You might need to add connectors to your wiring to make removal of certain components easy. Ignition boxes might come with simple connectors and you might want to replace those with better ones that might be more waterproof.
By Charlotte Myriam. Diagram. Published at Saturday, December 30th 2017, 04:11:48 AM. Inductors are usually represented by either a series of curved bumps, or loopy coils. International symbols may just define an inductor as a filled-in rectangle.
By Lydie Honorine. Car Wiring. Published at Saturday, December 30th 2017, 01:33:56 AM. This is called a negative earth system, and when buying an electrical accessory a radio, for example check that it is of a type suitable for your cars system. Fitting a radio with the incorrect polarity will damage the set, but most car radios have an external switch for setting the polarity to suit that of the car. Switch to the correct setting before fitting.
By Alix Loane. Motor. Published at Saturday, December 30th 2017, 00:13:39 AM. If one changes the power supply voltage, then a new family of speed-torque curves result. As an example, if the power supply voltage is doubled then a new curve is generated; the curve now has twice the torque at any given speed in region 2. Since power equals torque times speed, the motor now generates twice as much power as well.
By Alix Loane. Motor. Published at Friday, December 29th 2017, 20:40:03 PM. An unregulated power supply will be sufficient and is recommended for most applications because of its simplicity. If a motor with a large inertial load decelerates quickly it will act as an alternator and send voltage back to the drive which then sends it back to the power supply. Because many regulated power supplies feature protection circuitry this may cause the power supply to fault or reset; however, if the supply is unregulated it will simply get absorbed by the filter capacitor.
By Madeleine Catherine. Car Wiring. Published at Friday, December 29th 2017, 19:35:53 PM. Most are wired through the ignition switch, so that they work only when the ignition is switched on. This prevents you accidentally leaving something switched on which might cause the battery to go flat. The side and tail lights, however, which you may need to leave on when the car is parked, are always wired independently of the ignition switch.
By Lydie Honorine. Motor. Published at Friday, December 29th 2017, 17:00:56 PM. As shown earlier, motor output power is proportional to power supply voltage, doubling the voltage doubles the output power. However, iron losses outpace motor power by increasing non-linearly with increasing power supply voltage. Eventually the point is reached where the iron losses are so great that the motor cannot dissipate the heat generated. In a way this is nature’s way of keeping someone from getting 500HP from a NEMA 23 motor by using a 10kV power supply.
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