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What are the three main power losses that contribute to transistors junction temperature?
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∙ 10y ago
Switching losses
Conduction losses
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∙ 10y ago
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What is a synchronous rectifier?
a circuit that emulates a diode,allowing current to pass in one direction but not the other without the losses associated with the junction
What are the effect of hunting in synchronous motor?
1.it can lead to loss of synchronism. 2.the machine losses increases 3.temperature of the machine rises . 4.it can increases the possibility of resonance.
What is the condition for maximum efficiency of a DC machine?
The condition for maximum efficiency of a d.c. machine is that VARIABLE LOSSES must be equal to CONSTANT LOSSES i.e., variable losses = constant losses..
Why there are no losses in DC transmission?
There are losses in d.c. transmission lines, due to their resistance. But there are no reactive losses. So, d.c. transmission lines have less losses in comparison to an equivalent a.c. transmission line.
Explain the power flow diagram of induction motor?
The input power, Pin, is reduced by different loss sources in the system. These reductions are the difference between input power & output power. The losses are: PSCL: Stator copper losses, or I2R losses Pcore: Core losses PRCL: Rotor copper losses PF&W: Friction & windage losses Pmisc: miscellaneous losses All of these losses reduce the input power. The output power is the input power minus all of the losses. Pout = Pin - PSCL - Pcore - PRCL - PF&W - Pmisc
What is the economic function of profits and losses?
The economic function of profits and losses is to determine the performance of a company. This is what will contribute to the overall measure of the economy in a region.
What is a synchronous rectifier?
a circuit that emulates a diode,allowing current to pass in one direction but not the other without the losses associated with the junction
What is the difference between super conductor and perfect conductor?
A perfect conductor will have absolutely no losses. A super conductor will be essentially lossless if it can be kept at a specific temperature. As it deviates from this temperature, its' losses will increase.
What factors contribute to chronic wounds?
Factors that contribute to the development of chronic wounds include losses in mobility, mental status changes, deficits of sensation, and circulatory deficits.
How did buying stocks on credit contribute to the Great Depression?
When stock prices fell, people did not have the money to cover their losses.
Unit that heat is measured in?
energy -- temperature US NBA team -- wins and losses
Is heat measured in units?
energy -- temperature US NBA team -- wins and losses
Calculate copper losses at 75c?
Copper Loss at 75 C = Copper Loss at Ambient Temperature C * (310/(235+Ambient Temperature C))
What is the temperature at which a liquid changes to a solid called is there a gain or a loss of energy?
Such a temperature is known as Freezing point of the liquid, during the freezing process the system losses the energy.
A condensates return temperature indicates?
A condensate return temperatures indicates reduced energy losses and disposal costs.
What are some lyrics for a global warming song?
CO2 - Boo-Hoo for You; Oceans Neglected are Oceans Rejected; CO2 - We need You less and less; release Us from Your Loss Projected; Methane ... You only contribute to how Our Loss will be Affected; People ... You only contribute to how Our Losses will be Affected and Effected.
What causes the temperature of liquids to change?
Temperature of liquid causes when another thing touches it. The molecules will come together and try too make the temperature in both even. So while the hot object losses heat, the cold one will gain.
