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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It is based 6004-47 the IEC series, UCA international users group document Implementation guideline for digital interface to instrument transformers using IECand the relevant parts of IEC that are replaced by this standard. This standard defines requirements for digital communications of instrument transformer measurements.
The EVT nameplates shall include all applicable information as established in section Promotion on the occasion of celebrate Vietnamese Tet Promotion on the occasion of celebrate Vietnam National Day The relationships between the limits of the ratio correction factors and the phase angle for the limiting values of the TCFs specified in Table 2 are shown in the parallelogram in Figure 1. This part of IEC considers additional requirements concerning bandwidth. Please sign in your account to download the document.
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 This provisional specification applies to electronic voltage transformers which are intended to be used in revenue metering. Electronic voltage transformers shall comply with all applicable requirements This document is only used for personal research purposes and not to used for business or other profitable activities.
However, the reader is encouraged to use its most recent edition. If your documents are loaded by many people. Menu Skip to content.
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You may experience iwc viewing this site in Internet Explorer 9, 10 or This file is intended to be used as a complement and does not form an integral part of the publication. All glory comes from daring to begin. General Requirements; however, the reader is encouraged to use its most recent edition.
Only the EVTs of accuracy class 0. You may find similar items within these categories by selecting from the choices below:. Find Similar 6044-7 This product falls into the following categories. PS-E—Provisional specifications for approval of electronic voltage transformers Category: Learn more about the cookies we use and how to change your settings.
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Please download Chrome or Firefox or view our browser tips. Accept and 600044-7 Learn more about the cookies we use and how to change your settings. 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.
Attitude of serving staff. Electronic Voltage Transformer EVT An EIT in which the secondary voltage in normal conditions of use is substantially proportional to the primary iev and differs in phase from it by a known angle for an appropriate direction of the connections.
Consulting Design Construction, Installation Maintenance. Wear a smile and have friends; wear a scowl and have wrinkles. Success is the ability to go from ice failure to another with no loss of enthusiasm. The other characteristics of the digital interface for instrument transformers are standardised in IEC as an application of the standards, the IEC series, which details layered substation communication architecture.
Compliances, Updates, Solutions and Case Studies. Leave a Reply Cancel reply. Website only work when it enable. The poorest of all people is not the person without a cent, but the person without a dream. All operating, metering constants and algorithms shall not be modified or altered by any external device, communication signal, power outage or any other means which does not require breaking the device’s physical seal.
IEC Revises IEC , Standard for Instrument Transformers | In Compliance Magazine
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This document was uploaded by me. Learn from yesterday, live for today, hope for tomorrow. An EIT in which ie 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.