By Valentine Sybille. Car Wiring. Publised at Saturday, December 30th 2017, 12:56:44 PM. Most car handbooks and service manuals include a wiring diagram which can be difficult to follow. The colour-coding, however, is a useful guide to tracing wiring.
By Lydie Honorine. Car Wiring. Publised at Saturday, December 30th 2017, 07:30:01 AM. 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. Diagram. Published at Monday, January 22nd 2018, 05:46:41 AM. Circuits often require inputs that come directly from users (as opposed to inputs that come from other devices). User-input devices can take many forms, among them keyboards (as on a PC), buttons (as on a calculator or telephone), rotary dials, switches and levers, etc. Digilent boards include several input devices, typically including push buttons and slide-switches. Since digital circuits operate with two voltage levels (LHV or Vdd, and LLV or GND), input devices like buttons and switches should be able to produce both of these voltages based on some user action.
By Sasha Sara. Circuit. Published at Monday, January 22nd 2018, 04:49:34 AM. In some circuits, there are virtual grounds, which are nodes at the same voltage as ground, but are not connected to a power supply. When current flows into the virtual ground, the voltage at the virtual ground may change relative to the real ground, and the consequences of this situation must be analyzed carefully.
By Cyrielle Marjolaine. Car Wiring. Published at Monday, January 22nd 2018, 03:33:10 AM. The best wiring plan is the one that makes access to the connections the easiest and following the wires from end to end possible. When an electrical problem arises at the races, there is little time to find the problem and fix it. Having easy access shortens the process.
By Cyrielle Marjolaine. Motor. Published at Sunday, January 21st 2018, 09:02:15 AM. Inductance (L) has a property called inductive reactance, which for the purposes of this discussion may be thought of as a resistance proportional to frequency and therefore motor speed. According to Ohm’s law, current is equal to voltage divided by resistance. In this case we substitute inductive reactance for resistance in Ohm’s law and conclude motor current is the inverse of motor speed. Since torque is proportional to ampere-turns (current times the number of turns of wire in the winding), and current is the inverse of speed, torque also has to be the inverse of speed. In an ideal step motor, as speed approaches zero, its torque would approach infinity while at infinite speed torque would be zero. Because current is proportional to torque, motor current would be infinite at zero as well.
By Jessica Mireille. Motor. Published at Sunday, January 21st 2018, 01:05:45 AM. If more than one drive is being operated from the power supply this is not a problem since the other drive(s) will absorb this current for its needs, unless it is decelerating as well. For this case or for a single drive it may be necessary to place a voltage clamp across the power supply in the form of a Zener diode. The voltage of this diode must be greater than the maximum expected power supply voltage, yet low enough to protect the drive. A good choice would be either 82 volts or 91 volts as standard values.
By Sasha Sara. Car Wiring. Published at Friday, January 19th 2018, 07:05:04 AM. If you have removed the body in preparation for installing a new one, you will now have easy access to all of the attachment points as well as the gauge panel and switches. At this point, you have a blank sheet of paper and can do anything that works best.
By Lydie Honorine. Car Wiring. Published at Friday, January 19th 2018, 06:21:08 AM. The sudden surge of high current in a short circuit makes the fuse wire melt, or "blow", breaking the circuit. When this happens, see if there is a short circuit or a disconnection, then install a new fuse of the correct amperage rating.
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