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Performance and test requirements for electromagnetic and capacitor voltage transformers for use with measuring instruments and protective equipment. Requirements for capacitor dividers for use with capacitor voltage transformers. Guidance on application.
This Standard applies to capacitor voltage transformers (CVT) intended to be connected between line and ground, comprising essentially a capacitor divider and an electromagnetic unit inter- connected as shown diagramatically in Figure 1. The capacitor voltage transformer...
This specification applies to all high voltage transformers rated above 10 kVA, including all oil filled free breathing and sealed-tank overhead line booster transformers, but excluding equipment installed in depots and stations which are specified in Railtrack Company...
This part of IEC 60044 applies to new single-phase capacitor voltage transformers connected between line and ground for system voltages Um ≥ 72,5 kV at power frequencies from 15 Hz to 100 Hz. They are intended to supply a low voltage for measurement, control and...
This part of IEC 60044 applies to new single-phase capacitor voltage transformers connected between line and ground for system voltages Um ≥ 72,5 kV at power frequencies from 15 Hz to 100 Hz. They are intended to supply a low voltage for measurement, control and...
This part of IEC 60044 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. Although this standard relates basically to transformers with separate windings, it is also...
This part of IEC 60044 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. Although this standard relates basically to transformers with separate windings, it is also...
As noted in Low Voltage Transformers - Part 1: General Requirements, UL 5085-1, or CSA C22.2 No. 66.1, Low Voltage Transformers - Part 1: General Requirements, the requirements of Part 2 cover: a) Air-cooled transformers and reactors for general use; b)...
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These requirements cover the following types of transformers: a) Air-cooled transformers and reactors for general use; b) General purpose autotransformers; c) Ferroresonant transformers; d) Class 2 and Class 3 transformers (which are evaluated in accordance with Part 3);...
This part of International Standard IEC 60044 applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from 15 to 100 Hz.
This part of International Standard IEC 60044 applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. NOTE 1 Optical arrangements usually...
This part of International Standard IEC 60044 applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. NOTE 1 Optical arrangements usually...
PURPOSE AND SCOPE This document details commissioning tests for Wound Voltage Transformers (WVTs). With the exception of sections 5 and 6, all tests and records are for Stage 1 Commissioning (tests carried out with the WVT isolated from the National Grid system). Sections 5 and 6 deal...
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This part of IEC 61869 applies to new single-phase capacitor voltage transformers connected between line and ground for system voltages Um ≥ 72,5 kV at power frequencies from 15 Hz to 100 Hz. They are intended to supply a low voltage for measurement, control and...
This International Standard is applicable to newly manufactured voltage transformers used for measuring, protection and/or control applications in DC Power systems with a voltage above 1 kV
This part of IEC 61869 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. NOTE 301 Requirements specific to three-phase voltage transformers are not included...
