High Voltage Laboratory Rating

High Voltage Laboratory Rating: The High Voltage Laboratory Rating and size of test equipment chosen in the h.v. laboratories depends on the test facilities to be provided. Normally, the design…

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High Voltage Testing of Surge Arrester

High Voltage Testing of Surge Arrester: In modern practices, surge arrester or lightning arresters are the most reliable apparatus to protect the power system against transient voltages due to lightning…

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High Voltage Test on Transformer

High Voltage Test on Transformer: High Voltage Test on Transformer are very important and costly apparatus in power systems. Great care has to be exercised to see that the transformers…

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Insulation Coordination in High Voltage

Insulation Coordination in High Voltage: Insulation Coordination in High Voltage - Electric power supply should ensure reliability and continuity to the utility concerns. Hence, the power lines and sub-stations are…

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Mathematical Model of Lightning Stroke

Mathematical Model of Lightning Stroke: During the charge formation process, the cloud may be considered to be a non­conductor. Hence, various potentials may be assumed at different parts of the…

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Mixed RC Potential Divider

Mixed RC Potential Divider: Mixed RC Potential Divider use R-C elements in series or in parallel. One method is to connect capacitance in parallel with each R′1 element. This is…

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Uniform Field Electrode Gaps

Uniform Field Electrode Gaps: Sphere gaps, although widely used for voltage measurements, have only limited range with Uniform Field Electrode Gaps. Hence, it is not possible to ensure that the…

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