System configuration and parameters
1, excitation transformer MSB-7.5kVA/1.5/3/6kV/0.4kV 1
(a) Rated capacity: 7.5kVA;
(b) Input voltage: 0-400V, single-phase;
(c) Output voltage: 1.5/3/6kV
(d) Structure: dry;
(e) Weight: approx. 55kg;

(1) The frequency conversion power supply is placed vertically and horizontally, especially suitable for field operation and observation;
(2) The interior and exterior are equipped with special shock-absorbing rubber support feet and protective aluminum boxes, which can effectively slow down the bumpy vibration in transportation and the impact of lifting. To ensure the long-term stability and reliability of the inverter power supply;
(3) Parameter display: touch or external mouse large screen LCD interface display system
Display resonant voltage (that is, the target voltage set before the test), test frequency, measurement frequency, low voltage voltage, low voltage current, voltage withstand time, overvoltage protection, overcurrent protection, flashover protection, stage boost and stage timing, operation mode switching, capacitance, inductance, The frequency exchange calculation, parameter query, etc., can also display the frequency curve, voltage curve, etc., can intuitively judge the accuracy and stability of the resonant frequency of the test;

1. Rated capacity: 135kVA;
2. Input power supply: single-phase 220 or three-phase 380V voltage, frequency is 50Hz;
3. Rated voltage: 27kV; 54kV; 108kV;
4. Rated current: 5A; 2.5A; 1.25A;
5. Working frequency: 30~300Hz;
6. Device output waveform: sine wave
7. Waveform distortion rate: output voltage waveform distortion rate ≤1%;
8. Working time: continuous 60min under rated load; Overpressure 1.1 times 1 minute;
9. Temperature rise: Temperature rise ≤65K after continuous operation under rated load for 60min;
10. Quality factor: the device itself Q≥30(f=45Hz);
11. Protection function: over-current, over-voltage and flashover protection for the subject (see the inverter power supply part for details);
12. Measurement accuracy: 1.5 effective value of the system;