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Rectifiers are used to remove water vapor mixed with ammonia vapor if any by cooling it before entering inside evaporator
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What is single phase Controlled rectifier?
such a control rectifier that control or rectifier single phase. for that purpose we used SCR that is called single phase controlled rectifier.
Can a diode be used as rectifier diode?
yes, diode can be used as rectifier diode to convert ac to dc
Which rectifier is not directly operated from mains?
Because , the high voltage can destroy the diodes used in the rectifier .
Why rectifier is not used in dynamo?
rectifier is not used because of damaged of problemAnswer.Because there's no need for that since the lamp on your bicycle can still work on the induced AC power.
What is the effect of inductive load on a single phase full wave bridge rectifier?
rectifier is used to resist the current likewise in bridge wave rectifier ,the inductive load is used to resist high amount of current because in bridge wave we cannot resist the current by using rectifier ..so we are using inductive load here
What has the author R F Calfee written?
R. F Calfee has written: 'A note on terminologies used in gaseous absorption processes' -- subject(s): Absorption and adsorption, Gases 'Nu-averaged infrared absorption coefficients of water vapor' -- subject(s): Absorption spectra, Atmospheric Water vapor, Infrared spectra, Water vapor, Atmospheric
How many diodes are used to make a half wave rectifier?
You use a half-wave rectifier where the system design does not require a full-wave approach. Half wave rectifier output is used for running ac motors.
Why COP is used for evaluation of compression refrigeration system but not absorption refrigeration system?
cause its a gas
Can diode be used as rectifier?
yes ofcourse diode can be used as rectifier but it's an uncontrolled rectification.
What is single phase Controlled rectifier?
such a control rectifier that control or rectifier single phase. for that purpose we used SCR that is called single phase controlled rectifier.
Can a diode be used as rectifier diode?
yes, diode can be used as rectifier diode to convert ac to dc
What is use of rectifier?
Rectifier is used to convert alternating current to direct current.
What is phase control?
such a control rectifier that control or rectifier single phase. for that purpose we used SCR that is called single phase controlled rectifier.
Which rectifier is not directly operated from mains?
Because , the high voltage can destroy the diodes used in the rectifier .
What is the difference between gas power cycles and vapour power cycles?
Vapor-compression cycle(See Heat pump and refrigeration cycle and Vapor-compression refrigeration for more details)The vapor-compression cycle is used in most household refrigerators as well as in many large commercial and industrial refrigeration systems. Figure 1 provides a schematic diagram of the components of a typical vapor-compression refrigeration system.Figure 1: Vapor compression refrigerationThe thermodynamics of the cycle can be analyzed on a diagram[11][12] as shown in Figure 2. In this cycle, a circulating refrigerant such as Freon enters the compressor as a vapor. From point 1 to point 2, the vapor is compressed at constant entropy and exits the compressor as a vapor at a higher temperature, but still below the vapor pressure at that temperature. From point 2 to point 3 and on to point 4, the vapor travels through the condenser which cools the vapor until it starts condensing, and then condenses the vapor into a liquid by removing additional heat at constant pressure and temperature. Between points 4 and 5, the liquid refrigerant goes through the expansion valve (also called a throttle valve) where its pressure abruptly decreases, causing flash evaporation and auto-refrigeration of, typically, less than half of the liquid.Figure 2: Temperature-Entropy diagramThat results in a mixture of liquid and vapor at a lower temperature and pressure as shown at point 5. The cold liquid-vapor mixture then travels through the evaporator coil or tubes and is completely vaporized by cooling the warm air (from the space being refrigerated) being blown by a fan across the evaporator coil or tubes. The resulting refrigerant vapor returns to the compressor inlet at point 1 to complete the thermodynamic cycle.The above discussion is based on the ideal vapor-compression refrigeration cycle, and does not take into account real-world effects like frictional pressure drop in the system, slight thermodynamic irreversibility during the compression of the refrigerant vapor, or non-ideal gas behavior (if any).More information about the design and performance of vapor-compression refrigeration systems is available in the classic Perry's Chemical Engineers' Handbook.[13]Vapor absorption cycleMain article: Absorption refrigerator In the early years of the twentieth century, the vapor absorption cycle using water-ammonia systems was popular and widely used. After the development of the vapor compression cycle, the vapor absorption cycle lost much of its importance because of its low coefficient of performance (about one fifth of that of the vapor compression cycle). Today, the vapor absorption cycle is used mainly where fuel for heating is available but electricity is not, such as in recreational vehicles that carry LP gas. It is also used in industrial environments where plentiful waste heat overcomes its inefficiency.The absorption cycle is similar to the compression cycle, except for the method of raising the pressure of the refrigerant vapor. In the absorption system, the compressor is replaced by an absorber which dissolves the refrigerant in a suitable liquid, a liquid pump which raises the pressure and a generator which, on heat addition, drives off the refrigerant vapor from the high-pressure liquid. Some work is needed by the liquid pump but, for a given quantity of refrigerant, it is much smaller than needed by the compressor in the vapor compression cycle. In an absorption refrigerator, a suitable combination of refrigerant and absorbent is used. The most common combinations are ammonia (refrigerant) and water (absorbent), and water (refrigerant) and lithium bromide[absorbent].
How can we Diode can be used as a rectifier?
A diode is used to stop the negative voltage swing in an AC signal, so you only get the positive portions.diode-rectifier
What type of rectifier used in radar?
the usual semiconductor rectifier used in the microwave band is a gunn diode. Vacuum tube diodes are sometimes used too.
