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| Place of Origin: | China |
| Brand Name: | Sansion Power |
| Certification: | CE/SGS/EMS/ISO 9001 |
| Model Number: | YDJ |
The AC Withstand Voltage Test Equipment for Power Cables is designed to evaluate the insulation performance of medium and high voltage cable systems. It is suitable for use in cable manufacturing plants, electrical laboratories, and power system testing applications.
The appropriate testing method depends on cable type, rated voltage, cable length, capacitance, applicable standards, and testing conditions. For relatively low-capacitance test objects, conventional AC test transformers may be suitable. For long cables with large capacitance, a variable-frequency series resonant test system may be more appropriate, as it can reduce the required power supply capacity. The equipment configuration should therefore be selected based on the actual electrical characteristics of the cable under test.
Solution: Evaluate the cable capacitance, length, and test frequency. Consider a suitable series resonant test system where appropriate.
Solution: Confirm cable type, rated voltage, testing standard, and commissioning or maintenance requirements before selecting the method.
Solution: Provide the minimum and maximum cable lengths and capacitance range to determine a suitable system configuration.
Solution: Consider modular construction, compact control units, and suitable transport arrangements.
Yes, if its voltage and current capacity are suitable for the cable capacitance and test requirements.
AC Hipot generally refers to AC high voltage testing at the applicable power or specified test frequency. VLF testing uses very low frequency AC, commonly around 0.1 Hz. They are different testing methods.
Long cables can have significant capacitance and draw high charging current. A resonant system can compensate for the reactive power demand and reduce the required input power.
Cable rated voltage, insulation type, cable length, capacitance, required test voltage, test frequency, and applicable standard.
Yes, if the system is designed with suitable capacity, configuration, and mobility for the intended application.
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