1、 Introduction
The harmonic power supply is a customized product specially developed for an airborne equipment test system. Harmonic components are injected into the input side of the tested equipment to assess and analyze the adaptability of the tested equipment to the power grid.
2、 Product parameters
1. AC input: single phase 220V ± 10%, 50Hz ± 5%;
2. Output capacity: 500-3000w;
3. Output rated voltage: three-phase four wire, 115V;
4. Output voltage range: 90-130v (phase voltage); fundamental output mode without superimposing harmonic voltage;
5. Output voltage resolution: 0.1V;
6. Output voltage accuracy: ≤ 1% FS;
7. Output frequency range: 300-800hz (basic collimator);
8. Output frequency resolution: 0.1Hz;
9. Output frequency stabilization accuracy: ± 0.1%;
10. Total harmonic content: < 3% (linear load);
11. Harmonic component: 10-30V, 1khz-10khz (output after superposition with reference wave);
12. Harmonic voltage: it can be superposed or not superposed with the fundamental voltage through the selection switch;
13. Phase sequence: a – B – C;
14. Phase difference: 120 ° ± 2 °;
15. Load power factor: 0.6 (lagging) - 0.9 (leading);
16. Voltage modulation: no more than 3.5V (effective value and measured at 115V);
17. Overload capacity: 105% ≤ I ≤ 125% 5S protection; I > 125% immediate protection;
18. Adaptive load: it can adapt to completely unbalanced load;
19. Operation display: LCD displays three-phase voltage, current and frequency, and operation panel key adjustment (start, stop, reset and voltage and frequency regulation);
20. Protection function: output short circuit, overload, internal overheating.
1. AC input: single phase 220V ± 10%, 50Hz ± 5%;
2. Output capacity: 500-3000w;
3. Output rated voltage: three-phase four wire, 115V;
4. Output voltage range: 90-130v (phase voltage); fundamental output mode without superimposing harmonic voltage;
5. Output voltage resolution: 0.1V;
6. Output voltage accuracy: ≤ 1% FS;
7. Output frequency range: 300-800hz (basic collimator);
8. Output frequency resolution: 0.1Hz;
9. Output frequency stabilization accuracy: ± 0.1%;
10. Total harmonic content: < 3% (linear load);
11. Harmonic component: 10-30V, 1khz-10khz (output after superposition with reference wave);
12. Harmonic voltage: it can be superposed or not superposed with the fundamental voltage through the selection switch;
13. Phase sequence: a – B – C;
14. Phase difference: 120 ° ± 2 °;
15. Load power factor: 0.6 (lagging) - 0.9 (leading);
16. Voltage modulation: no more than 3.5V (effective value and measured at 115V);
17. Overload capacity: 105% ≤ I ≤ 125% 5S protection; I > 125% immediate protection;
18. Adaptive load: it can adapt to completely unbalanced load;
19. Operation display: LCD displays three-phase voltage, current and frequency, and operation panel key adjustment (start, stop, reset and voltage and frequency regulation);
20. Protection function: output short circuit, overload, internal overheating.
