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Electrical Engineering

Parent Category: Engineering
Electrical engineering is a field of engineering that deals with the study and application of electricity, electronics and electromagnetism.

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The ceiling fan motor is that of a single phase induction motor.Force is exerted when a current carrying conductor is placed in amagnetic field, which makes the blades of the fan to rotate.
answ2 . The movement of electrons will produce a magnetic field. Whether by the spin of the electron or its movement. All magnetic fields are produced by moving electrons. Even those on the Sun where it is too hot for magnetic materials. When you cause a current flow through a wire, the flow of...
no, backwards walkovers are easiest however some people may learn a back handspring first therefor for them the back handspring would be easier...... isn't a back handspring just a flick??
Yes. . Depending on who does the work it could be less expensive than getting a different air conditioner. The compressor will also need a capacitor and some rewiring. The old unit could have a 3 phase blower motor also which could run the price up even more. Although the changes can be made, the...
\nA three phase motor looks like any other motor from the outside. It might be a little larger than a standard motor but it looks the same. If it is not hardwired but has a plug, the plug will have four prongs instead of three. The socket will look different from a standard socket or the socket for...
As a senior female electrical engineering student - the only one in a class of 30, I've thought quite alot about why I'm still taking engineering, and why there aren't more females like me doing what I'm doing. Engineering is logical. It's about definite results and profit. It's about getting ...
nope its strictly a CDMA service completely different
Answer \n. \nShould be only 4 to 6 screws holding the molding in place accessable from the bottom side. Or just locate the Hzd relay or Hzd Light Fuse and pull it. Relay may be in the power distribution ceneter under the hood drives side (black box).
The offline UPS is in standby mode. The charger is maintaining the battery, but the inverter stage is not running. Power goes from input to output, bypassing the inverter.. In this configuration, the charger and inverter design is less, as the charger is usually in trickle mode and the inverter does...
by using fuse or mcb
Bud Bud ... :L From Josh Tompsett & Matt Fox LOSER
Passive electronic components are those which do not amplify voltages or currents by themselves. These include resistors, capacitors and coils. Transistors and integrated circuits are known as' Active' components since they can amplify signals applied to them. In AC circuits coils (chokes) and...
For dc voltage signals, a capacitor is an open circuit. Current flow into a capacitor is proportional to variation of voltage (I = C dV/dt). So, if you polarize a capacitor with constant voltage, there won't be current flow. Instead, if you impose constant current, capacitor voltage will grow...
Current is inversely proportional to resistance. If you double the resistance, you halve the current.. Ohm's Law: Volts = Amps * Ohms. Solve for Amps: Amps = Volts / Ohms
function of static relay
Front of motor there is a little indent could say something like b15dy it will be if your standing in front of the car look on the left hand side down about 6 inches
A test done on a transformer. The voltage at the power frequency is ramped up to verify the transformer is capable of handling the stresses due to switching and natural phenomena (lighting strikes). Withstand Voltage : The voltage which has to be applied to a test object under specified...
it may be a ceramic resistor. If it is a resistor, it'll be about 1 inch in length with 2 contact points. It sounds like a 5-Watt 15-Ohm resistor.
To prevent the equipments from lightning strokes. Because the cloud is negatively charged at bottom it requires a zero or a positive potential to discharge, and it selects the ground (Zero potential) to discharge. If the Telecom Equipments are fed with positive the cloud will choose the low...
A step-up transformer has 100 turns on the primary coil and 500 turns on the secondary coil. If there is 120 volts and 10 amps on the primary, what will be the current in the secondary? 2 amps. 600v 2A
Not always. But if a compressor goes bad it can take out the contactor. I have replaced compressors before and found the contactor is still ok.. In a commercial application Copeland will not honor the warranty if the contactor is not replaced at the same time a new compressor is installed. Not sure...
In low voltage and electronics Leakage Current is any current that flows when the ideal current is zero. In medium and high voltage applications it is the current that flows either through the body or over the surface of an insulator. Leakage current often arises when outdoor insulation is...
Transducer changes energy type from one form to another. Example: Light energy to electrical, your ear probably change sound energy to chemical or electrical energy that your brain processes.
This isn't recommended. Meters can be manipulated to make them under-register, effectively allowing power use without paying for it. This theft or fraud can be dangerous as well as dishonest. Power companies often install remote-reporting meters specifically to enable remote detection of...
to maintain magnetic flux in the permanent magnetic poles
The purpose of the fuse is to protect the equipment receiving power from overload or short circuit. Having no fuse could result in destroying the equipment and/or a fire. In buildings the fuse protection (or circuit breakers) also protects the building wiring. While it is true enough that fuses...
Because the O'scope and the device being checked must somehow be sharing a common ground. That may be good, bad, or indifferent, depending on the electrical sensitivity requirements of the device being checked. It won't harm a quality O'scope.
diesel generators are way better they can power way more if you ever need a diesel generator i recommend Victory Industrial Products they make generators,fuel tanks,moble units,turbines and smoke stacks they have a websie www.victoryindustrialproducts.com there phone number is 1-800-732-9240 and...
The coils in a fixed magnet motor are energized, causing a magnetic field that interacts with the magnets' magnetic field. This causes them to push away from eachother. The stronger the fixed magnets and the electromagnet, the stronger this force will be.
Did you mean Robbins & Myers? http://www.answers.com/topic/robbins-myers-inc
A moving-coil microphone contains a diaphragm exposed to sound waves. The diaphragm carries a coil placed in the magnetic field. The voltage induced in the coil is proportional to its amplitude of vibration, which, in turn, depends on the sound pressure. . Moving-coil microphone. AP = acoustic...
From what i can tell with the National Electrical Code the smallest wire listed is 18 AWG that is listed at 7 amps and 5.6 for continuous loads which is running for more then 3 hours at a time so i would rate a 20 AWG at about 5 amps MAX and 2.5 for continuous but good luck with that
Yes it does as it is an Inductor and an Inductor needs to build up a magnetic field. It is called INRUSH current.
Multilevel inverter is device which is capable of produce different voltage levels
The answers are: *vertical lines *horizontal lines *jagged lines *dynamic lines
When input to generator increased when it is synchronised, speed of alternator get disturbed which inturn leads to the change in frequency,when frequency gets change synchronization is no long.
A nail clipper would be a type of lever. Any device that has a lever/fulcrum (pivot point) is a type of lever.
Ohm's Law says I = V/R.
There is insufficient information in the question to answer it. There is no table. Please restate the question.
Since the phases overlap, torque overlaps, and you need less rotating mass to stabilize the output load. Think of an eight cylinder engine versus a six, or a four.. Its the same thing as a three phase power supply. The capacitors are smaller and the pre-regulator voltage ripple is smaller, with a...
Dear Sir,I want to know that how much draw starting current of 380 volts 3 phase 50 hertz AC motors as per rating values?
in passive circuit it depends on the type of load. 1. if the load is purely resistive the voltage and current will be in phase. 2.if the load is purely inductive the current lags the voltage by 90 dgree. 3.if the load is purely capacitive the currents leads the voltage by 90 degree
core companies for EE in india are as follows: - NTPC -TATA STEEL -BHEL -ONGC -NHPC -JINDAL -PGCL -BSES -BCPL -IOCL
Very roughly speaking, it used for storing energy in its electric field.
In a distortion factor meter the filter at the front end is used to suppress which type of hormonics
Between 1895 and 1904, one of Thomas Edison's former employees,Daniel McFarlan Moore, created fluorescent lighting systems. Edisonhimself had abandoned these experiments.
GO TO PHILIPPINES AND BE A CERTIFIED / REGISTERED ELECTRICAL ENGINEER WITHOUT "ING". YOU SHOULD TAKE BACHELOR OF SCIENCE IN ELECTRICAL ENGINEERING FOR FIVE (5) YEARS. THEN TAKE AND PASS GOVERNMENT BOARD EXAMINATION AND BE PROUD THAT YOU ARE LICENSED TO PRACTICE PROFESSION. UNLIKE IN OTHER COUNTRY...
I AM PROUD TO RECOMMEND TO TAKE BACHELOR OF SCIENCE IN ELECTRICAL ENGINEERING IN THE PHILIPPINES FOR FIVE (5) YEARS. THEN TAKE AND PASS THE BOARD EXAMINATION TO BE A CERTIFIED / REGISTERED ELECTRICAL ENGINEER AND BE RECOGNIZED BY THE GOVERMENT TO PRACTICE YOUR PROFESSION WITH PROFESSIONAL ETHICS. OR...
The charging time will depend on how much of a charge was left in the battery and on the charger you use to charge the battery. The more energy you have to put back in it, the longer it will take for a given charger. And some chargers will be able to deliver more current than others. This will...
Answer . At the typical U.S. home, the voltage at the wall outlet is somewhere between 110 and 120 Volts AC. Most U.S. homes also have 220 Volts (which is actually somewhere between 220 and 240 VAC) available, but not wired to most rooms.
In some energy meters, the disc rotates slowly and continuously when there is no load.the rotation of disc without any current through current coil and only due to excitation of pressure coil is called creeping.
Due to inductive behaviour of the circuit, current should go up towards infinity, but resistance and temperature will rise and destroy the transformer. Transformers must be driven by a null mean voltage. Result will depand on the resistance of the transformer. For DC transformer is simply a low...
out of 180 you should have atleast 70 marks
2300lm Comment I think you mean lumens, not lumen's. No that answer is wrong . Watts (energy usage) / Lumens (light output) 25 is equal to 200 35 is equal to 325 40 is equal to 450 60 is equal to 800 75 is equal to 1100 100 is equal to 1600 125 is equal to 2000 150 is equal to 2600 36...
The Electric motor was invented in 1821 by Michael Faraday.
\nThree phase electricity is used instead of single phase for industrial situations. Industries use three phase electricity instead of single phase to operate electric motors driving heavy machinery. Three phase electrical motors produce more power from the same amount of electricity and maintain...
Class 220 Formerly Class H Class 180 Formerly Class F Class 150 Formerly Class B Class 105 Formerly Class A
The supply charartertics in most domestic properties in UK provides aroung 60 to 80 amps therefore allowing 14 to 18 KW of energy to be used . In most domestic homes this is rarely used to its maximum . If the property is heated using gas , oil or an other energy source the demand will be greatly...
Used in Robotics. . Used in Billet Shearing Machines, Section Straightening Machines in Rolling mills. . Used in the Grinding machine. . Used in varying load machine. . Printing machine . Lathe machine . Drives of fan.
Depends on country USA has lower voltage than UK in the US it is 120 V UK uses 240 volts Answer The United States and Canada uses a split-phase system, that supplies a residence with a nominal 240 / 120 V . 240 V is used for high-power appliances (e.g. stoves, driers), whereas lighting and...
it depends, lumens measures light and watts measure power. check out this article; http://wiki.renderplus.com/?title=Lumens_vs_Watts
Types of Motors . There are different types of Capacitor-start motors designed and used in various fields. They are as follows: . Single-voltage, externally reversible type, . Single-voltage, non-reversible type, . Single-voltage reversible and with thermostat type, . Single-voltage, non-reversible...
low resistivity and low melting point.
The capacitor before the IC is filtering the output of the rectifier, so that the minimum voltage dip between diode conduction cycles is greater than the minimum voltage the IC requires.. The capacitor after the IC is stabilizing the IC, by preventing it from oscillating, and responding to quick...
Yes, all motors are generators and all generators can be generators. Depending on the type of motor, some are easier to work with. If you mean the common induction motor, you can plug it in and it will run as a motor, now you need to mechanically drive it faster (if it is rated 1750 it wil need to...
because they could not separate it which required electricity which wasn't in tuse as they didn't know how to harness it.
Nope. A rectifier is used instead. A transformer can only reduce the voltage of the AC but does not change it into DC.
\n460 volt has twice the electromagnetic force of 230V. It is a powerful voltage and quite unforgiving. If you're not trained to work with it, stay clear of it. No kidding.
to protect or to calculate the operating conditions of anelectrical system and to camand circuitbreaker to trip in any faultdetection.relay is the one which detects the abnormal condition ofthe circuit and signals the circuit breaker to trip(open).....
'Voltage' is simply another word for 'potential difference' so,clearly, there is no such thing as a 'voltage difference' becauseit would mean 'potential difference difference' which doesn't makeany sense! So, if your question really means, 'What is thepurpose of a voltage?' , then the answer is...
When too much current passes through a conductor it can cause an overload of electricity which if not earthed can be very dangerous to human contact. If the object that is conducting the electricity is touched than this can cause an electrocution, which is when too much current passes through a...
IT is more than likely a SCAM. Any and All Legitimate company's will pay for the necessary permits for their workers to go over there. Most Company's web sites will warn you concerning scams like this, and most legitimate company's do not send out e-mails like this. Look at the e-mail address/...
It is a voltmeter which can only measure direct current.
A CVT in substations uses it as a communication system. It is alsouse in filtering high frequency waves that acts as a carriernetwork.
The motor is not self starting because the magnetic field acting onthe rotor is just pulling and pushing, not rotating. Amn interesting comparison is to get a piece of string about 1 footlong, with a weight tied on the end. Hold the other end of thestring in your hand, and move your hand up and down...
1. To prevent the buildup of static electricity 2. For safety-a voltage short will blow a fuse or trip a breaker.If hot AC gets to a metal cabinet that is not grounded, the the cabinet will be "hot"and if you get between "hot" and ground you could be shocked and possibledeath. Others can add more...
elecric drives are basically big electric motors which are used to drive generators
The substation is the point in the T&D system at which the generated voltage is either stepped up for transmission or stepped down for distribution. This is accomplished by a large power transformer within the substation.. The lower distributrion voltage is carried from the substation on feeder...
Operation Tidal Wave was a strategic bombing mission executed by the American Air Forces in August 1943, during World War II intended to put nine Romanian oil refineries around Ploiesti "out of action." [5] The mission was unsuccessful in that it resulted in " no curtailment of overall product...
to calculate the cable size of a run of 30 meters long you first will have to know the current of the appliance use the voltage drop formula V d = (mVxIxL)/1000 once the voltage drop is less than 2.5% of the nominal voltage, the cable should be upsize.
That depends a LOT on the technology used - some technologies aremuch more efficient than other (converting a higher percentage ofthe power used into visible light).
As the name imply transform one type of level to another level so it can be used safely
Optical fiber is conducting light, not electricity.
The colors on a resister indicate the amount of electrical resistance measured in OHMS the device affords.