IEC 60287 PDF

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If you do not have an account click here to sign up and receive bonus e-coins immediately. Join the activities on me. Overview standard IEC Electric cables — Calculation of the current rating — Part Thermal resistance — Calculation of thermal resistance: IEC is solely applicable to the conditions of steady-state operation of cables at all alternating voltages, and direct voltages up to 5 kV, buried directly in the ground, in ducts, in troughs or in steel pipes, both with and without partial drying-out of the soil, as well as cables in air.

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In thermal equilibrium, when all these factors have balanced and the temperature of the conductor is the maximum allowable for the insulation; we have the maximum rated current for the cable. Anyone attempting to apply this method should be working directly from a copy of the standard. As an overview, the standard looks at the following situations:. In the previous note we looked at the approach taken by the standard to the jec of cables and illustrated this with an example.

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List of International Electrotechnical Commission standards

Withdrawn IEC Design, location and application criteria for installed area gamma radiation dose rate monitoring equipment for use in nuclear power plants during normal operation and anticipated operational occurrences IEC Protection of persons and equipment by enclosures — Probes for verification IEC Test methods for the determination of bond strength of impregnating agents to an enamelled wire substrate IEC Measurement of smoke density of cables burning under defined conditions IEC Classification of insulating liquids IEC Non-broadcast video tape recorders. Methods of measurement IEC Electroacoustics — Instruments for the measurement of sound intensity — Measurements with pairs of pressure sensing microphones IEC TR Opportunity-charging of lead-acid traction batteries IEC DC or AC supplied electronic step-down convertors for filament lamps — Performance requirements IEC Auxiliaries for lamps — Capacitors for use in tubular fluorescent and other discharge lamp circuits — General and safety requirements IEC Capacitors for use in tubular fluorescent and other discharge lamp circuits. Performance requirements IEC Transformers for tubular discharge lamps having a no-load output voltage exceeding V generally called neon-transformers.

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