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Can transformer be operated on lead power factor?

Updated: 8/21/2019
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8y ago

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

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Q: Can transformer be operated on lead power factor?
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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.


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


What factor lead to more wars than any other?

Probably mans greed and thirst for power and domination.


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


Why power factor lags?

When there is an inductive element in the circuit, the current lags behind the voltage. an ideal inductor will make the current lag behind the voltage by 90 degrees..a capacitive element on the other hand will make the current lead the voltage (ideally by 90deg). That's why capacitors in parallel with the system are used a lot for power factor correction


How does a DC transformer work?

transformer cannot be worked on DC because as the dc is constant there will be no change of flux & may lead to shot circuit.