Can a 400 kw generator handle a 460 kw load?
Since the breaker that is installed on the generator set will be sized to the output of the 30 kW generator, the load will stay connected until the thermal trip of the breaker trips the load off line. This will be in the matter of seconds before it happens. To handle a 75 kW load and depending if it is an inductive or a resistive load you will need at least a 80 to 100 kW generator.
In a series circuit How does the voltage from a battery compare to the voltages on each load?
The sum of the currents through the branches of a simple parallel circuit is the current that flows through the voltage source.
Kirchoff's current law: The signed sum of the currents in a series circuit is zero. The sum of the currents in the branches represents one effective path, which is in series with the voltage source, so the two effective currents must be the same.
The characteristics of ideal power supply?
some are:
1.) zero output impedance.
2.) perfect voltage regulation, especially no voltage over/undershoot with stepped loads.
3.) over-current protection by hard limiting or fold-back.
Others may have different opinions or preferences.
Can a solar cell be an alternative source of energy?
Answer: Yes provided, that its big enough and have good exposure to sunlight, then it can supply charging power to a set of batteries that is connected to an invertor to invert the batteries DC power, to mains AC, preferably a sine wave to drive induction motors and transformers, a square wave tend to make induction motors noisy and transformers don't work to there full capacity .
What is considered to be the primary side on a step down transformer?
Transformers have windings - typically each winding is designated for a particular voltage. Any one of the windings can be an "output", as any winding can be an "input". Usually for consumers, one of the windings is intended to be 120V for the input. In that case, all of the other windings would be an output.
I should also mention that while you can have several outputs, you can only have one input. Some transformers have the windings color coded to designate input and outputs.
Hope this helps!
How long are SAT scores valid for university admissions?
Again from this year GATE paper is valid for 2 year.
Try the link below for more details.
Why the depletion layer becomes very thick when then pn junction diode is lightly doped?
When the pn junction is forward biased,the height of the potential barrier is reduced allowing more majority charge carriers ti flow across the junction and when it is reversed biased, the height of the potential barrier increases there b reducing the majority charge carrier that have sufficient energy to flow across the junction.
Is there a device that converts modified sine wave AC output from a generator to pure sine wave AC?
Well, a pure sine wave can only be produced as a pure sine wave. If it was modified to begin with, it would never be a pure sine wave. However, an actual generator should be supplying pure sine wave output, while something such as an inverter would be producing a modified sine wave.
Why diode is used in rectifiers?
A Diode is a device which allows current to flow only in one direction (see forward bias).
Since a rectifier needs to convert Alternating current(bi-directional) into Direct current(uni-directional), solid-state diodes are usually used as rectifiers.
What is the pin configuration of ic 74266?
this shows you everything you need about them
Pin Number Description
1 A Input Gate 1
2 B Input Gate 1
3 Y Output Gate 1
4 A Input Gate 2
5 B Input Gate 2
6 Y Output Gate 2
7 Ground
8 Y Output Gate 3
9 B Input Gate 3
10 A Input Gate 3
11 Y Output Gate 4
12 B Input Gate 4
13 A Input Gate 4
14 Positive Supply
That sounds quite good since the main winding should be insulated from the case. 10Mohm is a very large resistance it is well within normal range of the motor.
What is a hydroelectric plant?
Hydroelectric plants use moving or falling water to turn a generator and produce electricity. They usually have generators located at the base of a dam, and they raise the level of water behind the structure. The higher the water level behind the dam, the more potential energy it has. And by releasing water, the potential energy can be converted into kinetic energy to turn the turbines which turn the generators. The height of the water is called the head of water. Hoover and Grand Coulee Dams are very high, and have a lot of head. Lest you think dams like those are the only dams producing electricity, you should be aware that there are many low head hydros around the country. There are 8 or 9 in Michigan, which is not generally associated with hydroelectric power production. There are a number of others around, too. Long ago, the waterwheel harnessed the power of moving or falling water to provide mechanical energy to turn mill stones or power other machines. As our technology evolved, we extended the idea to make it what it is today. And in the present, we see most big hydroelectric plants in the U.S. located in the west. (Niagra is a bit of an exception.) It's because the geography out west includes the high elevations as well as the water to make dam construction (with the associated hydroelectric plant) possible.
Which part of a circuit is a current?
Current is the flow of electric charge or the rate of the flow of an electric charge through a conductor.
What is meant by non constant envelope modulation?
A constant-envelope modualtion is a modualtion scheme in which the amplitude of the modualted tone remains constant with time. Main advantage of such modualtion schmes is that they relax the linearity requirements of the power amplifier (PA) and hence a less linear and more efficient PA can be used.
Most modualtion schemes are not constant-envelope. For example, BPSK, QPSK, 16-QAM are not constant-envelope. Few modualtion schemes such as GFSK are constant-envelope.
What is Volt.DIV on the oscilloscope?
this referrs to the scale of measurement across the y axis ; in this case being the amplitude of a signal measure. this details how many volts are set per 1 division; usually 1 cm height, hence setting the control dial to 1 volt per division, will set the scale at 1 volt per cm. setting the dial at 0.1 volt per division will set the scale at 0.1 volt per cm division.
What are common uses of a common emitter amplifier?
bcause amplification factor beta is usually ranges from 20-500 hence this configuration gives appericiable current gain as well as voltage gain at its output on the other hand in the Common Collector configuration has very high input resistance(~750 kilo ohm) & very low output resistance(~25 ohm) so the voltage gain is always less than one & its most important application is for impedance matching for drivingh from low impedance load to high impedance source
Oscillations (vibrations) are damped when they are changed by some action. For example, touching an oscillating (vibrating) tuning fork with your finger is said to be damping it. The oscillation (number of Hertz) of an electrical oscillator, such as a TV tuner, is changed by varying the settings of the tuner.
any circuity in a computer shouldn't be handled without a esd(electro-static-discharge) wrap as a safety precaution to prevent damage to components, although there maybe some components which are not sensitive to static. the main parts of the computer which definitely shouldn't be handled without esd wrist straps are high impedance components such as the cpu,gpu or any other flash chips or microprocessors.
What is the disadvantage of a half wave rectifier?
Not better but its power transfer is certainly better
What is organizational decoupling?
Means to un-hitch or un-attach.
In economics, it is a theory that when Latin America countries detach from depending on the US, they would be more insulated from recession.
As an organizational theory, decoupling is when an organization keeps gaps between their formal policies and their actual organizational practices. In many places, like school handbooks and the TOS/TOU guidelines on websites, one thing is said, but their practices indicate something else. That can get someone in trouble when laxity on one site is expected on another and they find it isn't there. Recoupling would be when that sort of situation exists and they try to end it. Carrying the web example further, some sites that have a gap between their user agreements and enforcement will either enforce their guidelines or change them.
In electronics, decoupling is a way to attach multiple circuits to the same power supply or to isolate circuits from each other. Usually, bypass capacitors are added.
What is the purpose of the capacitors at the input and output signals?
There are two primary uses of a capacitor in the biasing of a transistor.
One is to isolate the DC component of the input or output signal from the input or output of the transistor. This is often done in audio applications where the input signal is centered around ground reference, but the base is biased at 0.7 volts. Similarly, the collector is biased away from ground, but the signal needs to be shifted back to ground reference.
The second is to change the gain as a function of frequency. Depending on where the capacitor is located in the circuit, the capacitative reactance as a function of frequency can add to or subtract from the bias point and/or gain of the circuit. Usually, this capacitor would be located on output side, along with the emitter or collector resistors.
Can electricity pass through plastic?
For the flow of Electric Current, the material must contain free electrons.
If there are no free electrons, then to conduct electricity the applied voltage must exceed breakdown voltage.
Plastics under ordinary state does not have free electrons but if high voltage is applied then it can start conducting.