see http://ezinearticles.com/?Testing-a-Transformer--How-To-Accurately-Test-A-Transformer&id=56803
Normally to test a CT we go on with two tests
1. the primary injection test
2. the polarity test
1. primary injection test: a particular amount of current is made to flow through the primary and the amount of current we get from secondary is measured.
2. the name itself describes the test...
Macroplast Transformers is a leading Current Transformers Manufacturers in India. Current transformers are devices that transform higher current value to lower current value. Current transformers provide galvanic isolation from the voltage on the primary winding while simultaneously creating a power signal that has been converted to a standard level, which in turn permits the use of standard measurement instruments and relays. For more info contact us.
yes its does the higher the current will blow out the transformers
1) voltage level up-down2) voltage level down-up3) isolationAnswerBecause transmission would be impossible except at high voltages/low load currents due to enormous voltage drops that would otherwise occur, and these are achieved using Transformers..
Check out the below article, it has all the latest information about transformers and lots of pictures http://markthispage.blogspot.com/2009/06/200-links-to-know-about-transformers.html
To identify transformer winding shortage. If there is shortage between winding turns magnetic current test is the best to identify. Shaukt from Abudhabi.UAE
I am aware that Class TPS current transformers have a Low Leakage Flux design
Heat. On less well designed (or incorrectly used) Transformers you can get current leakage too.
this type of transformer used special low loss steel to minimize eddy current losses and reduced leakage flux.
To sense the current flow across the current transformers and to monitor the current ratings. In current transformers no voltage variations occurs. but in voltage transformers it is mainly used to increase or decrease the voltage value.
In low voltage and electronics Leakage Current is any current that flows when the ideal current
The current of the minority charges (collector region) is the source of the leakage current. At higher temperature, this leakage current increases due to increase in thermal energy.
leakage current itself
A current transformer is used for measurement of alternating electric currents. Current transformers, together with voltage transformers are known as instrument transformers.
The leakage current of a (zener) diode is the current that leaks when a diode is connected in reverse biased.
The leakage current of a (zener) diode is the current that leaks when a diode is connected in reverse biased.
by measuring the insulation resistance then by usig the formula for finding leakage current leakage current =voltage applied /resistance measured by megger.
There are several formulas to find out leakage current, but one is the general electric current equation. This electric current equation is I=Qt.