Electrical Engineering
Electrical engineering is a field of engineering that deals with the study and application of electricity, electronics and electromagnetism.
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Awaygoodalternating current
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The short answer is no.If it is a simple induction motor; 440V will make it draw more current and run hotter. Sooner or later...
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water heaters electric stoves toasters space heaters incandescent lights are resistive loads a/c and fans iceboxs and anything...
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In a series circuit, the components, including resistors, are connected in a line, head-to-tail, head-to-tail, and so on, like...
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When used in car audio applications, a 1 farad capacitor is usually about 6" long and about 2.5-3" in diameter.
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It all depends on the application. I would give it a shot and see how it works in your application. If you can measure the...
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Power Factor is the ratio of true vs apparent power, and comes into play with a reactive (inductive or capacitive) load. A purely...
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R = E / I = 120/2 = 60 ohms.
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A: DEFINITELY a digital meter where the resolution can be carried out to xxxxxx. digits While an analogue resolution is limited...
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It depends on the turns ratio between the primary and the secondary. If the ratio were 10:1, a step-down transformer, for...
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I assume your question relates to the need for a disconnect switch. To meet code you need a disconnect switch in the proximity of...
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primary winding flux links with secondary winding produses voltage across the secondary winding
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You achieve three phase rectification with a three phase rectifier. There is one in the alternator of you car. You have three...
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A motor overload is considered to be any amperage the motor draws over its rated full load amperage.
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22 x 277 x 3 or 1.73 x 480 x 22 or more accurately: 22 x 277.1283 x 3 = 18.29 kW or 1.7320508 x 480 x 22 = 18.29...
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AnswerIn a generator, an armature is spun inside a magnetic field. The armature consists of several coils which generate...
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By rubbing two synthetic materials together will induce a positive charge in one of the items, for instance walk over a synthetic...
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In the common emitter configuration, gain is hFe or collector resistance divided by emitter resistance, whichever is less....
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because pf will be improved so reactive current decrease so total current decrease so voltage drop decrease
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Shunt reactors are the inductors connected across the power line for power factor correction.The reactors injects reactive power...
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If the parallel resistors are equal, then the total resistance (in this case, with three resistors) will decrease by a factor of...
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A: It can be positive or negative DC pulsating waveform
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It depends on the type of motor, efficiency, power factor, and loading on the motor. I have a 1 hp motor that draws ~13A full...
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The current rises up rapidly.
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By definition a synchronous generator must be synchronous. If it is not "locked in" it is not a synchronous generator, but an...
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A breaker is a current activated device. New to these forums so, not sure on the etiquette of improving the answer above. I...
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the voltage remains the same n resistance falls
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If a motor is spinning under no load, it is storing some energy in the rotating mass. This energy can be stored and released in...
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A capacitor is a device that can store electrical charge. Because it can store a charge and then release that charge, it resists...
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277 volts is the Hot to Neutral voltage in a 277/480 volt 3-phase "Y" electrical system. This is a commercial and industrial...
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To convert peak-to-peak values to RMS multiply by 0.35355339 150V P-P = 53.0330085V RMS
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If a +/- 10% service voltage variation is allowed then the 380 volts RMS "nominal" voltage could in fact vary between 342 volts...
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An isolation transformer does not have a direct electrical path from the power input side to the power output side. The term is...
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When three phase supply is given to the three phase stator winding of the induction motor,a rotating magnetic field is developed...
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Watts or kilowatts are units for measuring power. Specialy by alternating electric curent Watt is only for the resistive...
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A Restricted Earth Fault (R.E.F.) has nothing to do with the magnitude of the current. It is in fact a normal earth fault that is...
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Because differences in temperature cause the materials to either shrink or expand. With a lot of shrinking and expanding...
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AnswerA silver-cadmium alloy is used much of the time, due to pure silver being very soft and subject to pitting each time the...
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They aren't useful for measuring varying voltages.
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No. Assume the best-case, that is, the load has a power factor of 1.0 (unity). Convert each figure to watts: 110 kva = 110,000...
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You cannot increase amperage without changing voltage or resistance.Ohm's law states that voltage is current times resistance....
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k = 1000, so 22,500ohms.
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Your standard everyday capacitor is sealed and is not effected by light. A classic experiment that approximates a capacitor is...
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There could be a number of reasons. A 7805 has three pins: Voltage in, voltage out and an earth. If the earth is not tied to the...
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Let's compare a 1kHz sine wave and a 1kHz square wave. The former consists of only one component - it's a sine wave.The square...
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to operate the motor in a desired and a safe way!
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An on-load tap-changer must not break the supply to the transformer's windings while the transformer is on load. So it has a...
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AnswerA rectifier converts from AC to DC power by blocking one half of the AC current. A full-wave bridge rectifier is actually 4...
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for USA, Canada and countries running a 60 Hz power supply service. You need a transformer. Either a 277 to 240 volt transformer,...
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-+ l l +- THE RIGHT DESCRIPTION SHOULD BE INTERCHANGED TERMINATION NOT BACKWARDS.
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An alternating current (AC) is an electrical current whose magnitude and direction vary cyclically, as opposed to direct current,...
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Power (P) is the rate of doing work (W), so its fundamental formula is: P=W/t The formula for power in watts is: Power = Work...
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In electrical engineering it can be milli volt amperes, unless it's MVA then it is Mega Volt Amperes. Such as in the use of large...
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AVERAGE in Texas is about 68k straight out of school (B.S.). I know smart people who have gone to work for Exxon or Shell for...
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In the general sense, a magnetic circuit is any path taken by magnetic flux. More specifically, it is associated with the...
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The motar which can be used 24 hours countinuosly . by which the motor quality remains same is called CONTINUOS MOTOR . The motar...
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circuit breaker and fuses used in series to break the circuit in overcurrent situation to block current to flow through circuit.
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Either add the two in series measured currents or find where they split or joined and measure the combined currents there....
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As the name implies, support wires support the filament wire in the bulb, The filament, of course is the wire that glows white...
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3 phase motors resistance heaters
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Just like voltmeters, ammeters tend to influence the amount of current in the circuits they're connected to. However, unlike the...
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Oh my god, you are so stupid, the use of circuit maker is to provide students with jolibbee is fun to eat at whenever i go for...
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The total effective resistance of a parallel circuit will always be lower than the lowest resistance in a parallel network. When...
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Yes, the gas is ionized every time sufficient voltage is applied and remains that way until the voltage is removed. While the gas...
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A phase converter is a device that produces three-phase electrical power from a single-phase source. This allows the operation of...
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No, there is not. Three phase ,or generally speaking multiphase, circuits are available only for AC (alternating current)...
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simple comparator technique.An analog-to-digital converter (abbreviated ADC, A/D or A to D) is a device which converts a...
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The resistance will be: 1/(1/100+1/80)+100=144.4444444444
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LM317 is a variable-output voltage regulator. I would expect to find it in small home appliances with electronic controls,...
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There is not a huge difference between C.B. and contactor as they work as a switches but usually CB is normally closed while...
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To stop a three-phase motor dead ('plugging'), rather than allowing it to slow to a stop, the motor controller interchanges two...
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Jordan wigner transformation is used to map the spin to Boson while holstein primikoff transformation to Fermion
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A Buchholz relay is used to detect loss of oil presence of gas generated by minor interwinding faults catastrophic insulation...
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Ohm's Law states that 'the current flowing through a circuit is directly proportional to the applied voltage, providing certain...
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yes Answer for UK SystemThe answer is yes, as all the outlets will be supplied from the same ring main.
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Potential difference V = I R. Here I is the current passing through the conductor. R is the resistance of the conductor. In case...
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The question is incorrect. Power equals current times voltage. Since voltage is current times resistance, power is also equal...
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If you know what a capacitor is then a TFC refers to the way the capacitor is made. Boundary layers are separated by thin...
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A thermocouple is two different metals in contact with each other that generate a voltage when heated.
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Electric motors work by placing the opposite poles of an electromagnet that is fixed onto a spindle or axle near to either end of...
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Off hand no but your explanations are not clear as to who is doing what to whom,,
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The "full load speed" is the speed at which a motor has been designed to turn - usually measured in RPM (revolutions per minute)...
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where, prices vary from region and power company get hold of a power bill The question should be: How much does 1.6 kWh cost. A...
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A: Without insulation there will be a massive short. Insulation is provided to channel the current where it is needed to do the...
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Contrary to DC and synchronous motors, it's a bit tricky to turn an Induction Motor into a generator. You need to connect...
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3000/220 =13.63amps
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Answering this question without the ability to provide a wiring diagram is difficult but, yes, we can use three single-phase...
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The total effecive resistance of several individual resistances in parallel is less thanthe smallest individual resistance, so in...
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Marcus Vitruvius Pollio (born c. 80-70 BC, died after c. 15 BC) was a Roman writer, architect and engineer (possibly praefectus...
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You need alternating current to operate a transformer. (It does not work with DC). Transformers are required to step up and down...
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AnswerLarge load impedance will draw a small load current and so loading of the source is small. (light load). A small load...
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AC electrical distribution systems can easily allow changes in voltage using transformers. This gives AC electrical distribution...
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