1. Measurement principle
1.1 Measurement transmission
In the high-voltage field, the voltage between an electrode at ground potential and an electrode at high potential is measured. To protect personnel and equipment, the oscilloscope is placed at a sufficient distance from the high-voltage electrode, while the voltage reducer is necessarily close to it.
A connecting cable must therefore be used to transmit the measurement signal from the foot of the measuring gearbox to the oscilloscope. The measurement signal is a low-energy signal, which is likely to be considerably disturbed by the high-frequency components of the high-voltage signal.
Figure 1 shows...
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Measurement principle
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