IEC Instrument Transformers – Part 7: Electronic Voltage Transformers. This part of International Standard IEC applies to newly manufactured. Abstract— The IEC and 8 standards apply to Electronic. Current and Voltage Transformers (ECT and EVT) for metering and protection measurements in. voltage transformers. IEC IEC Additional requirements for electronic current transformers. IEC IEC
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Take the smart route to manage medical device compliance. These provisional specifications are issued under the authority of section 12 of the Electricity and Gas Inspection Regulations. Electronic Voltage Transformers 4. If your documents are loaded by many people. The relationships between the limits of the ratio correction factors and the phase angle for the limiting values of the transformer correction factors TCFs specified in Table 2 are provided by parallelograms that are plotted on graphs in which a phase angle correction factor in minutes appears on the x-axis and a ratio correction factor appears on the y-axis.
The basic operating constant and the algorithm used in processing the measured quantities shall be stored within the EVT in such manner that they cannot be altered without breaking the device’s physical seal clause The terms “measuring voltage transformer” and “metering voltage transformer” are equivalent. Success is the ability to go from one failure to another with no loss of enthusiasm. The parallelograms defining the limiting values of the TCFs for voltage transformers are bound by vertices.
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Electronic Voltage Transformer EVT An EIT in which the secondary voltage in normal conditions of use is substantially proportional to the primary voltage and differs in phase from it by a known angle for an appropriate direction of the connections.
Sort by new comments Sort by old comments Sort by likes. Electronic voltage transformers Status: This document was uploaded by me. Click 6044-7 stars to rate. If your documents are published, you will receive 10 E-coins and receive a chance to receive thousands of other E-Coins. This part of IEC does not cover the specification for the digital output format of instrument transformers. This document is only used for personal research purposes and not to used for business or other profitable activities.
This International Standard contains specific requirements for electronic low power instrument transformers LPIT having a digital output. You need is member of groups must can comment this post.
Instrument transformers – Part 7. The EVT shall meet its basic accuracy requirement 9.
IEC standard (Pdf file): Instrument transformers – Part 7
Click here to register! You can’t start next chapter of your life if you keep re-reading the last one. This part of IEC defines the errors in case of analogue or digital output. Leave a Reply Cancel reply. Transformateurs de tension electroniques Title in German Messwandler. An EIT in which the secondary voltage in normal conditions of use is substantially proportional to the primary voltage and differs in phase from it by a known angle for an appropriate direction of the connections.
Strive not to be a success, but rather to be of value. For additional information regarding this provisional specification, please contact the Senior Program Officer responsible for electricity measurement.