Fully loaded - 2.62 amps at 11kV. The no load depends on the transformer design, but it will usually be significantly less than the full load amps (not sure on this size, but on larger Transformers it is typically ~.05 - .1% full load, so you'd be looking at ~2.5 mA RMS).
The connection type is not important. Transformers are very efficient, thus there is not a whole lot of loss in the "average" transformer. The actual loss will depend on the design criteria of the transformer.
No, the primary winding VA does not necessarily equal the secondary winding VA when a transformer is loaded. The power output on the secondary side may differ from the power input on the primary side due to losses such as resistive and core losses in the transformer. The transformer's efficiency will determine how close the VA on the primary winding is to the VA on the secondary winding.
A 24-volt transformer outputting only 18 volts could be due to several factors, such as a load that is drawing more power than the transformer can supply, causing a voltage drop. Additionally, if the transformer is not fully loaded or if there are issues with the connections or wiring, it may not deliver the expected voltage. Lastly, a malfunctioning transformer or one designed for a different voltage rating could also result in a lower output voltage.
Ostrich
In the visible spectrum or the infrared? Either way, if your earth wire is glowing you have a problem. Your earth wire is not intended as a current carrying wire. If the wire is loaded to the point that it glows then your circuit/breaker is not wired correctly and the earth wire is being used as an unintended path and is a hazard. Earth wires are not sized properly to carry current.
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when your current transformer is over loaded make sure it turns back into a car and drives away
When working on a current transformer the secondary windings must be shorted. <<>> Properly loaded
The primary current on a loaded transformer depends on the secondary current, which is determined by the load. So, if you know the secondary load current, then you can use the turns ratio of the transformer to determine the primary current:Ip/Is = Ns/Np
The terms, 'primary' and 'secondary', describe how a transformer is connected and his nothing to do with which is the lower- and higher-voltage winding.The primary winding is the winding connected to the supply, while the secondary winding is the winding connected to the load. So, for astep-up transformer, the secondary winding is the higher voltage winding, whereas for a step-down transformer, the secondary winding is the lower voltage winding.For a loaded transformer, i.e. a transformer whose secondary is supplying a load, the higher-voltage winding carries the smaller current, while the lower-voltage winding carries the higher current.
Output voltage (...of a transformer, for example...) will decrease as it is loaded because of the transformer's internal resistance. As output current increases/load resistance decreases, a larger voltage will be dropped across the internal transformer resistance. This same phenomenon is present in AC and DC systems (such as batteries).
The lower the impedance, the lower the voltage drop across the transformer as it is loaded. This means regulation is better, since voltage variance is smaller.
A transformer's 'no load' current is not 'high'. On the contrary, it is zero!'No load' means that there is nothing connected to the secondary (output) of the transformer -i.e. it is an open circuit. So a transformer's secondary 'no load' current is zero! The primary current still has to provide a magnetising current, but that current will be very small.Don't forget, a 'light load' means little current is drawn, so the load must have a high resistance; a 'heavy load' means lots of current is drawn, so the load must have a low resistance.
No, the primary winding VA does not necessarily equal the secondary winding VA when a transformer is loaded. The power output on the secondary side may differ from the power input on the primary side due to losses such as resistive and core losses in the transformer. The transformer's efficiency will determine how close the VA on the primary winding is to the VA on the secondary winding.
Unless the transformer is an isolation transformer, whose primary and secondary voltages are the same, the cross-sectional area of the primary and secondary winding conductors are normally different. The higher-voltage winding has a smaller current flowing through it than the lower-voltage winding when the transformer is loaded. So the higher-voltage winding is manufactured using a conductor with a smaller cross-sectional area, therefore a smaller diameter.
i understand that YNaOd1 represent an auto transformer with HV winding as wye connected and loaded tertiary. Please correct me if i am wrong.
A transformer is often represented by an equivalent circuit, in which the transformer itself is considered to be 'ideal', and its basic losses are then represented as resistance and reactance in series with both the primary and secondary windings for a loaded transformer, or just on the primary side for a transformer on open circuit.The transformer's primary flux comprises two components: the main flux, which links the primary and secondary windings, and a leakage flux which links just the primary winding. The leakage flux is considered arising from a self inductance in series with an 'ideal' primary winding. The reactance of this inductance is termed the primary leakage reactance. The voltage drop across this reactance will lead the primary no-load current by 90 degrees which, when added to the voltage drop across the resistance of the primary winding, acts to reduce the back emf of the primary winding below the value of the applied voltage and cause it to lag.A similar explanation accounts for the an inductance and resistance in series with the secondary winding, when the transformer is loaded.
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