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Is fridge a resistive load?
When the compressor is off, the fridge is a completely resistive load, meaning that current and voltage are completely in phase and thus Watts consumed are exactly the same as the Volt-Amps (VA) consumed.
Is the load inductive or capacitive?
In a capacitive load, current and voltage are out of phase as with an inductive load. The difference is that in the case of a capacitive load, the current reaches its maximum value before the voltage does. The current waveform leads the voltage waveform, but in an inductive load, the current waveform lags it.
What is an inductive load?
Inductive Load Elements. Known also as reactive load elements, inductive elements use wire coils to create inductive fields. The power used to create and maintain these fields loads the power source under test. Compared to resistive loads, inductive load current peaks after voltage.
Is fan a capacitive load?
Lightbulbs, toasters, electric hot water heaters, and so on are resistive loads. All electrical loads that have a coil of wire to produce the magnetic field are called inductive loads. Examples of inductive loads are fans, vacuum cleaners, and many other motorized devices.
What are the examples of inductive load?
Examples of inductive load are motors, solenoids, contactor coils, compressors, speakers, relays, transformers, inductors, power generators, etc.
Are LED lights inductive or resistive load?
They produce light when a forward DC voltage is applied to them. The Driver that create the DC voltage is a no linear load. The drivers are essentially electronic DC switching power supplies. The LED itself has a unity power factor, it is resistive.
What type of load is fan?
Examples of inductive loads are fans, vacuum cleaners, and many other motorized devices. In essence, all motors are inductive loads. The unique difference between inductive loads and other load types is that the current in an inductive load lags the applied voltage.
What makes up the refrigeration load in a refrigerator?
Many modern refrigerators use evaporating liquid ammonia to cool. The rate at which heat must be removed from a refrigerated space in order to maintain a desired temperature is known as refrigeration load. It is dependent on several factors, including the volume of the space being cooled and the quantity and base temperature of items inside.
What is the average wattage of a refrigerator?
Smaller refrigerators typically use about 350 watts, while larger models use as much as 780 watts. Comparing Other Appliances Your refrigerator’s wattage is toward the higher end of the spectrum among the appliances in your home.
What is the minimum load for a refrigeration plant?
In this example, the minimum load corresponds to only about 25 percent of the capacity of the installed refrigeration plant. This minimum load factor will vary considerably with the type of store and mode of operation but some account may have to be taken of this difference between the maximum and minimum refrigeration requirements.
What should the temperature be in a refrigerator?
Optimum temperature range for perishable food storage is 3 to 5 °C (37 to 41 °F). A similar device that maintains a temperature below the freezing point of water is called a freezer. The refrigerator replaced the icebox, which had been a common household appliance for almost a century and a half.