Multifrequency induction voltage tester is widely used to test the insulation performance of electrical equipment in power systems.
The following are its specific application areas:
1. Power transformer test
· Winding insulation test: The multi-frequency induction voltage withstand tester is used for the longitudinal insulation induction voltage test between turns, layers, segments, and phases of transformer windings, which is an important item in the transformer insulation test.
· Quality standard testing: The tester ensures that the quality of the transformer meets the national standard, and increases the test voltage of the insulation between windings by applying a frequency doubling power supply device to achieve the purpose of withstand voltage test.
2. Voltage transformer test
· Induction voltage withstands test: applied to induction voltage withstand test of 10 to 220kV electromagnetic voltage transformer, which can timely find insulation problems in winding and avoid serious consequences.
· Overcome capacity rise effect: It can be used online with customized capacitance dividers to monitor primary side high voltage, and automatically complete the whole process of voltage boost, measurement, and buck, effectively overcoming the influence of the capacity rise effect.
3. Test power distribution devices
· Distribution transformer test: suitable for induction voltage withstand test of 10, 35kV distribution transformers, and can be used with intermediate excitation test transformers to ensure that the insulation performance of distribution equipment meets the standard.
4. Bus and GIS equipment testing
· Insulation performance test: used for electrical insulation test of cables, bus bars, main transformer, GIS, and other high-voltage equipment of various voltage levels to ensure the reliability and safety of these key equipment.
5. Large motor test
· Interturn insulation detection: applicable to the winding interturn insulation detection of large and medium-sized high voltage, AC, and DC motors with rated voltage of 10000V and below, and can also be used for transformer winding test.
6. Resonance test device test
· Application of variable frequency power supply: As a variable frequency power supply of series resonance test device, it provides stable frequency and amplitude modulation power output and expands the application range of the instrument.
7. Portability for field applications
· Portable design: Considering the portable needs of fieldwork, the multi-frequency induction voltage withstand tester is lightweight and easy to carry, suitable for testing in different work sites.
8. Comprehensive performance test
· Safety comprehensive test system: The tester is also used in motors, household appliances, laboratory instruments, power supply, 3C, new energy, wire harnesses and other industries safety comprehensive test systems to provide a comprehensive electrical safety performance test.