ENTERASYS C2RPS-CHAS2 Matrix switch module
The purpose of this test is to measure the partial discharges in the test object produced by the application of AC voltages during the tests. This test gives a comprehensive information about the quality of the insulating materials and the design. The followings are determined during the measurement of partial discharges; - To determine the existence of a definite partial discharge in the test object at a predetermined voltage. - By increasing the applied voltage at where the partial discharging begins (partial discharge inception voltage) and by decreasing the applied voltage at where the partial discharging extinguishes (partial-discharge extinction voltage). - To determine the magnitude of the partial discharge at a predetermined voltage.
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The mentioned partial discharges
(which do not cause flashover between the electrodes) are the discharges in a certain area of the insulation between the conductors of the test object. These discharges may occur in the gaps of the insulating enviroment, in the gaps of the solid-materials or in the contact surfaces of two different insulations. This discharge can be captured as a single current impulse in the outer region. Although these discharges do not cause permanent deteriorations in the insulating media since their energy is relatively small, the thermal energy of the discharges shall cause depreciation, aging and deterioration in the insulating media.
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