Overview：
Frequency conversion series resonance test device is designed and manufactured for alternating-current withstand voltage test of Possessing a wider application scope, it is the ideal withstand voltage equipment for prefecture-level, municipal-level and county-level high-voltage test departements as well as power installation and repair & testing engineering units.
(I) Technical index：
1. Rated voltage:
2. Quality factor under full load in test of fire power generator: Q>10 (relating to load)
3. Quality factor under full load in cable test: Q>30 (relating to load)
4. Quality factor under full load in test of main transformer: Q>30 (relating to load)
5. GIS, the quality factor under full load in switch test and other tests: Q>50 (relating to load)
6. Input power supply: single phase of 380V
7. Frequency adjustment range: 20Hz～300Hz
8. Accuracy of system measurement: 1.5％