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Yes, there is no problem in transmitting capacitive VARs if they occur.

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10y ago

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What is the efficiency of power transformer at same load at 0.9 lead and 0.9 lag power factor?

Same


Does low load in transformer lead to low power factor?

Power factor is determined by the nature (resistive, inductive, capacitive) of a load, not whether it is a low load or a high load.


What purpose could there be for a 10V transformer buried in a closet attached to power?

Follow the secondary wires, and see where they lead. It could be a doorbell transformer. It could be an old telephone (Trimline? Princess?) power transformer - check yellow and black in that case.


What mean power factor 0.26 lead?

When looking at power factor, it is the ratio of watts (true power) to VA. The power factor is how we measure power systems. A person with a low power factor like .26 will have a higher electricity bill.


Power factor lead or lag?

By definition, the terms 'leading' and 'lagging' refer to what the load current is doing with respect to the supply voltage. So, for a 'lagging power factor', it is the current that is lagging.


How would an air gap in the magnetic path affect the performance of the transformer?

An air gap in the magnetic path of a transformer increases the reluctance of the magnetic circuit, reducing the magnetic flux and efficiency of the transformer. This can lead to increased losses, lower power transfer efficiency, and potentially impact the regulation of the transformer. It is generally preferred to have a low-reluctance magnetic path for optimal transformer performance.


Is it advisable to correct the power factor to unity?

power factor depends on the load being fed if the load is entirely resistive power factor will be unity ..if the load includes an inductor or capacitpr due to phase displacement between v and i the pf will be lag or lead respectievly


What was the key factor in Europe that led to the idea of limiting the power of government and expanding popular influence over it?

The Magna Carta was the key factor in Europe that lead to limiting the power of government.


If the fuse of the secondary side of the transformer blows what are the test to be conducted to check if the transformer is defective or not?

1st make sure the power is turned offDisconnect one lead on primary side of transformer and using an ohm meter check for continuity. You will probably get a low ohm reading if you get no reading the windings are broken and transformer is no good2nd test using ohm meter again check for winding to ground you should get no reading. If you get a ohm value the transformer is shorted to groundRepeat these tests on secondary sideWith power on and fuse removed with a voltage meter check for power on secondary sideIf it is okay turn off power and install fuseIf fuse blows again check for shorts in circuitRemember to be careful when power is turned on


Would a bad transformer cause the pump not to work in a hottub?

Yes, a bad transformer can prevent the pump from working in a hot tub. The transformer supplies the necessary voltage to the pump; if it's malfunctioning, the pump may not receive adequate power to operate. This can lead to the pump not starting or functioning improperly. It’s essential to check the transformer and ensure it’s working correctly before troubleshooting other components.


Causes of low power factor methods of improving power factor?

using highly inductive loads may lead to reduction in the power factor. or consumption of unappreciable amount of power also results in the same. methods to improve PF . using synchronous condensers using capacitor banks using ow inductive loads


What is the effect of leading power factor on transformer?

that is to reduce the cost of the power plant.... Improving power factor(increasing the ration active/apparant power morethan 0.8) will increase the efficiency of uer system. Improving power factor denotes eleminating the recative power(which do no average work).... If u have more capacitive parts in uer system, the power you may need be really high when the capacitor is charging. But as it is in an a.c. system, used energy will be released and hence the average energy consumption of the cap is null. As in one instance iot absorbes energy, the electricity distributers must be able to generate such an high power which will incrrease their cost(eventhough the absorbed energy will be released)!!! Just by reducing the the reactive power, you can reduce the enery absorption. However to do so, you may have to use caps/inductors whcich will cost you a lot. Generally, electricity distributors say, "You must not reduce uer power factor than 0.8"... In some countries, distributors pay for the factries if there power factor is higher than a cirtain value(0.95).... -R-