By Cyrielle Marjolaine. Power. Publised at Monday, December 18th 2017, 10:47:11 AM. In series regulation the control element is placed between the unregulated voltage source and the load and the current through the element is controlled so that the voltage across the load is held constant. A feedback control system is used where the difference between the output voltage and a reference voltage is applied to a high gain amplifier that drives the current control element such as to maintain the setpoint output voltage. The majority of voltage regulators are of the series type.
By Jessica Mireille. Motor. Published at Monday, January 08th 2018, 06:04:44 AM. When using multiple drives from a common power supply, use individual supply and ground wires to each drive and return them to a common point back at the power supply. This is called a “star” power supply distribution; never use a “daisy-chain” power distribution, where the supply and ground wires for the next drives are picked up from the previous one.
By Alix Loane. Car Wiring. Published at Sunday, January 07th 2018, 18:08:21 PM. If your terminal is attached by a nut to a post, use lock washers and if it is a very important connection, and most are, use blue Loctite on the post. Many electrical failures are random and due to loose connections that are hard to trace. A quick look and the connection looks good, but if it is loose, it will cause an interruption of the current flow periodically.
By Valentine Sybille. Car Wiring. Published at Sunday, January 07th 2018, 17:51:35 PM. Electricity flows from a battery in one direction only, and some components work only if the flow through them is in the correct direction. This acceptance of a one-way flow is called polarity. On most cars the negative () battery terminal is earthed and the positive (+) one feeds the electrical system.
By Cyrielle Marjolaine. Circuit. Published at Sunday, January 07th 2018, 17:01:25 PM. For DC signals, the linearity of the system implies that H is independent of Vin. For dynamic signals, the transfer function cannot in general be described simply. However, if the input is a sinusoidal signal then the output must also be a sinusoidal signal with the same frequency but possibly a different amplitude and phase. In other words, a linear system can only modify the amplitude and phase of a sinusoidal input.
By Cyrielle Marjolaine. Amplifier. Published at Sunday, January 07th 2018, 15:24:23 PM. The class of operation for an amplifier is very important and is based on the amount of transistor bias required for operation as well as the amplitude required for the input signal. Amplifier classification takes into account the portion of the input signal in which the transistor conducts as well as determining both the efficiency and the amount of power that the switching transistor both consumes and dissipates in the form of wasted heat. Then we can make a comparison between the most common types of amplifier classifications in the following table.
By Jessica Mireille. Car Wiring. Published at Sunday, January 07th 2018, 14:25:22 PM. If certain wires are joined for a specific length, then you can create a wiring harness custom designed for your car. Then when the old season is over, you’ll have a ready-made harness to install for next year.
By Alix Loane. Car Wiring. Published at Sunday, January 07th 2018, 06:59:10 AM. On its downstroke, a piston draws air into the cylinder. On the compression stroke, the fuel injection system (depending on how it’s timed) sprays fuel into the combustion area, and the resulting cylinder pressure (and residual heat from previous firings) combusts the fuel/air mix, etc.
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