From different grounding transformer gt “Transformers standard distribution” DT they used to establish how fault current to ground behind the system back or fix effectively. So that differentiate it from the construction of two different ways.
You may need to be designed to meet the basic criteria of grounding transformer two.
Instead of having them to exceed the temperature evaluation of continuous phase and neutral current should be able to do.
They are currently disorder of excessive heating the driver or adjacent insulation deterioration should be able to do without.
It is widely distribution transformers transformers grounding behind the second parameter. Impedance of the DTs is designed to run the current standard limits the maximum duration of 2 seconds, failed. You must bear the period exceeds the WG impedance, 2 second limit is no limit on the current incident.
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In many cases this time is more than 10 seconds. GT design is below the limit of heat temperature standards identified at the end of a long time, need to be.
The main concerns of DT
DT is the main concern is loading caused by heating. Help is added to the event of failure, would increase in steadystate temperature of transformer fluids for controlling radiator insulated help. To not fight very quickly and rapid heating conductor thermal radiation failures that occur during operation, calculation, or any heat. To assume in a short period usually like a few seconds of time occurs.
Designed to manage the heating failure but rather than relying on the transfer of oil heat conductor for GT, and consider it.
Recognize some GT specifications of this and can enliven the basics only use current steady state MAGNETIZING to calculate cooling and high pressure stages I2R losses. This is better than reverse faults DT cooling, but the misunderstanding of some.
Subtle differences between the two devices, error “” is a way. DT usually ground fault lines or fault line perhaps, GT return to the network path is typically zero or sequence is all three legs also currently failure at the same time to impress. Force to tackle the GT driver’s largest ever copper resistance ratio, cross sections and satisfied with copper heat capacity to endure. GT coil is always to obtain maximum stability of circular shape cross core. Same form often provided by a circular coil technology distribution transformers use stability have rectangular coil structure.
