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Why is DC voltage used in an electrostatic precipitator?
We use DC voltages in an electrostatic precipitator (ESP) because it is necessary to induce a charge on the particulates, and then attract them to a plate by the use of an opposite charge. An AC source would be changing constantly. That would leave our particulates picking up "different charges" at different times as they pass the plates. Further, these particulates wouldn't be attracted to the plates because the plates would be changing polarity as well. ESP's use a DC source to apply a charge of a given polarity to the particulates in the air stream, and use a plate of the opposite charge to attract and "hold" the particulates. AC sources can't do that.
What is thermal voltage?
In semiconductors, the relationship between the flow of electrical current and electrostatic potential across a p-n junction depends on a characteristic voltage called the thermal voltage, denoted VT.
What will happen if current is more than required in diode?
If the applied voltage is greater than maximum forward voltage, the diode will get damaged..
How much voltage is required to force 3 amperes through a resistance of 36 ohms?
The voltage is 3 x 36 or 108 volts.
What are 3 things required to induce voltage?
A magnetic field, a conductor and movement.
Why in a electrostatic precipitator high negative voltage given to emitting electrode where as collecting electrode is normally earthed?
electron can easily penetrate in to dust particle
What is charge ratio in electrostatic precipitator?
Charge ratio in an electrostatic precipitator is the ratio of the amount of charge supplied to the amount of dust particles present in the gas stream. This parameter is important as it determines the efficiency of particle collection in the electrostatic precipitator. A higher charge ratio typically results in better particle collection efficiency.
What is the full form of ETP in power plants?
Electrostatic tar precipitator
How does an electrostatic precipitator work and what does it remove?
An electrostatic precipitator works by using an electric charge to remove particles like dust and smoke from the air. The device attracts the particles to metal plates, where they collect and can be removed.
What type of pollution is minimized by electrostatic precipitator and filters in factors?
air pollution
How do chimneys in power stations work to attract soot particles?
Chimneys in power stations use electrostatic precipitator to attract soot particles. Electrostatic precipitator are filtration devices that use electromagnetic charges to remove particles from gases.
What principle cottrel precipitator works?
The principle of operation of an electrostatic precipitator (ESP) is based on the charging of particles in a gas stream by applying a high-voltage electric field. The charged particles are then attracted to oppositely charged plates within the ESP and are collected, removing them from the gas stream. This process helps to control air pollution by removing particulate matter from industrial emissions.
How does an electrostatic precipitator work to remove particulate matter from industrial emissions?
An electrostatic precipitator uses electric charges to attract and collect particulate matter from industrial emissions. The device creates a strong electric field that charges the particles, causing them to stick to collection plates or electrodes. This process effectively removes the particles from the emissions before they are released into the atmosphere.
Why electrostatic precipitator field tripping related with carbon monoxide analyser?
Besides the toxic effects of carbon monoxide, the gas is very flammable and high concentrations may be explosive...Imagine this at high concentration of CO combined with a spark inside the ESP....
What is typical charging time of dust particle in an Electrostatic Precipitator?
An electrostatic precipitator is a filterless gadget that eliminates fine particles, similar to residue and smoke, from a streaming gas utilizing the power of an instigated electrostatic charge insignificantly hindering the progression of gases through the unit. As opposed to wet scrubbers, which apply energy straightforwardly to the streaming liquid medium, an ESP applies energy just to the particulate matter being gathered and consequently is extremely productive in its utilization of energy (as power)
What are the disadvantages of electrostatic precipitator?
very low system resistance..get affected with load swingdependent upon electricityvery high initial cost is involvedonly handle with dry emmision
What are the four names of applications that use electrostatic principles?
Electrostatic paint sprayer, used for the coat of paint on a car, plane, etc. Photocopier. Electrostatic precipitator, used to clean polluted air. Sorry, I only know three.
