Purpose of The Cable Very Low Frequency Test
The cable insulation's resistance to TDD may be evaluated using the cable very low frequency test . TDD is a phenomenon in which the current in the cable insulation increases gradually after the voltage is applied. The VLF test helps uncover any substantial TDD effects by delivering a voltage at a low frequency for a protracted period of time, which might be essential in assessing the cable's long-term performance. To guarantee correct and secure couplings between cable conductors and terminations, such as connectors, lugs, or terminals, cable torque level checks are carried out. In order to preserve electrical continuity, avoid loose connections, and ensure the secure and effective transfer of power or signals, these inspections are performed to make sure that the cables are tightened to the proper torque level. The main purpose of this test is: Electrical Efficiency: Correctly torqued cable connections increase electrical conductivity and minimise resistance. The cable conn...