Company Intruduction
An Inductive Current Transformer With 0.2S Level of Accuracy
An Inductive Current Transformer With 0.2S Level of Accuracy
An inductive current transformer (iCT) is a device that converts electrical current into alternating magnetic fields.current transformer 0.2s It consists of a primary winding, a secondary winding and an iron core. The windings and the core are insulated from each other. The magnetic field is generated by varying the number of turns in the primary winding, which in turn changes the current running through it. The induced alternating magnetic field is used to generate an AC signal that is proportional to the primary load current. The signal is transmitted via the secondary winding to a measuring instrument, such as a watt-hour meter.
CTs with the 0.current transformer 0.2s 2S level are designed to meet specific accuracy levels under certain use conditions. They are mainly used for occasions where the load variation range is relatively large, and sometimes there is almost no load. Compared to CTs without the S level, they have a higher measurement accuracy and can also tolerate larger distorted current harmonics.
In addition, they are also designed to maintain their accuracy class under rated ampere-turns conditions.current transformer 0.2s This is important because electricity meters measure both distorted active and reactive power, and require a high wideband transformation accuracy for distorted currents.
A 0.current transformer 0.2s 2S level CT can tolerate more than 10% of its maximum rated current for the primary winding. It is therefore better than a normal CT and can be used for more applications, such as high-voltage transmission systems.
The 0.current transformer 0.2s 2S-level CTs are tested for both the current error and phase displacement under rated ampere-turns and rated RMS currents. They are also subjected to a series of temperature and humidity tests to ensure they perform correctly.
Besides these tests, they are evaluated by calculating the CT correction factor (TCF).current transformer 0.2s The TCF is defined as the ratio of the rated primary to secondary output of the CT. The resulting value is multiplied by the voltage of the primary load to obtain the corrected output of the measurement system. The results are then compared to the accuracy and phase angle limits specified in the accuracy standards.
An iCT with the 0.2S-level accuracy is able to transform distorted currents in the primary and secondary windings with low-order harmonics. It can also maintain the accuracy class in a wide range of frequencies. For this purpose, it is advisable to choose a quality iCT with the right material and design. These factors will help to avoid inaccurate measurements and reduce the risk of a fault or a power quality event.
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