Transformer Test Equipment TTR Test Equipment
Transformer Test Equipment TTR Test Equipment -A transformer is a system that provides the transfer of electrical energy between two or more circuits by electromagnetic induction. Transformers are used in AC circuits, not DC circuits.
Transformers perform the desired change in voltage and current values without changing the frequency value.
They are used for purposes such as increasing and reducing current and voltage in an electrical circuit,
transferring and distributing electrical energy.
Transformer testers, as I mentioned above, provide energy transfer between circuits by electromagnetic induction.
When performing this process, the purpose of raising the voltage is to transfer the electrical energy away from where it is obtained.
The reason for this is that high current transmission leads to very serious power losses.
To avoid power losses, the voltage is increased and the current is reduced during the transmission process.
The transformer is a shortened transformer.
The transformers are manufactured with core core, wire and siliceous sheet according to the structure.
Transformers are made in various power and sizes.
It is determined by the ratio of primary and secondary winding numbers or primary and secondary voltage values.
In an ideal transformer, the voltage ratio is directly dependent on the winding ratio.
In the electrical system elements such as power transformers, distribution transformers, current transformers used in measurement, voltage transformers, changes in the ratio of rotation between windings are observed.
All transformers are systems operating under continuous energy.
Due to environmental factors such as dust and humidity, some changes in the conversion rates may be observed over time.
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Transformer Ratio Tester TTR
Transformer Ratio Tester Transformers are one of the most important tools of the system in the transmission and distribution of electrical energy.
In order for the transformers to work smoothly and in the best efficiency, the necessary tests should be performed and the accuracy of the values should be checked.
They are subjected to a series of tests to check that the transformers operate at nominal and standard values specified in the label values.
It is tested with the devices known as TTR (Transformer Turn Ratio) Device for testing the transformer ratio of transformers.
In theory, an input voltage of an ideal transformer whose value is known to determine the conversion ratio is applied to one of the windings.
By measuring the output voltage, the ratio of the input and output voltage values is calculated and the winding ratio is determined.
This ratio should be the same as the value specified on the transformer’s label and determined in the production of the transformer.
When using these test equipment, it is necessary to consider the size of the transformer.
Because many enterprises can use transformers of different voltage levels and powers.
Many details, such as test voltage of the device, maximum excitation current, vector group identification, will determine the transformers that can be tested.
Transformer Turning TTR Devices are the most important assistants for field technicians and engineers.
Transformer should be able to perform the conversion ratio tests fully automatically without any problem and provide accurate result information.
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Transformer Working Principle
The working principle of the transformers consists of the transmission of electrical energy from one conductor to another by means of magnetic current.
The structure of the transformer is basically composed of two coils and a core.
When voltage is applied to one of the coils in the core, a magnetic flux is formed on the core.
The direction and intensity of the magnetic flux is constantly changing.
This magnetic flux causes a voltage to be induced on the output coil. In summary, a magnetic field is generated from the voltage applied to the first coil, and this magnetic field transfers energy to another coil.
If the number of secondary windings in the transformer is more than the number of input windings, the output voltage is higher than the input voltage.
Transformer Winding Resistance Meters
The transformer winding resistance meter is designed to measure the DC current in the transformer windings and the winding resistances of the transformers, to detect losses, loose and missing parts, disconnection, and manufacturing errors.
It is used to detect open circuit, short circuit and welding faults of transformer windings.
Measuring cables, crocodiles and reference resistor are supplied.
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