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Help CenterXu Ji ZZG23A-30220 High Frequency Switch Rectifier DC Screen Charging Module
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1. The full-bridge phase-shifting resonant soft switching technology greatly reduces the caloric value of the switching tube, and the working temperature rise of the rectifier module is greatly reduced, with an efficiency of more than 94%; The soft switching mode reduces the electrical stress of the switching power tube, makes the operation safer, and greatly improves the reliability of the rectifier module.
2 three-phase three-wire system voltage input, three-phase current balance. Combined with the application of power factor correction technology PFC, the input current of the rectifier module is close to sine wave, greatly reducing the pollution of harmonic components to the grid, with good electromagnetic compatibility (meet the standard GB/T19826-20 to 05 pairs of electromagnetic compatibility).
3. The application of the autonomous current-sharing technology of low-voltage differential hardware can make multiple parallel modules bear the average load current and extend the life of a single module. The hardware of the module is used to realize the function of current balancing. The current balancing speed is fast and the accuracy is high. When the monitoring module fails to exit, the current balancing effect will not be affected.
4. The self-cooling series module adopts the integrated connector structure and fully supports hot swap, so that the rectifier module can be replaced online without cutting off the AC power supply, convenient and quick maintenance. At the same time, the module shell adopts aluminum zinc plate combination structure, natural cooling, no noise, no dust.
5. The air cooled series module adopts a unique full isolation and dust-proof structure. The air flow with dust can only pass through the isolated air duct.
6. A single module is fully functional, with automatic voltage and current stabilization, output voltage and current setting, no limit current regulation, running status indication, output voltage and current display, input over voltage, under voltage, lack of phase protection, output over voltage and over current protection, power module over temperature protection, temperature control fan automatic speed regulation (air cooled series module).
7. The distributed control mode that does not depend on the upper monitoring is adopted. Normally, the rectifier module is controlled by the upper monitoring; When the monitoring module exits abnormally, the rectifier module automatically enters the safe working mode and runs according to the preset floating charging voltage, so that the whole system can still work normally.
Module technical index
Xu Ji ZZG23A-20220 high frequency switch rectifier power supply ZZG23-20220
1. Input voltage: 304V~456V, three-phase three-wire system.
2. Output voltage: 220V module :180V~290V; 110V module: 90V to 150V.
3. Stable pressure accuracy: ≤±0.2%.
4. Steady flow accuracy: ≤±0.5%.
5. Ripple coefficient: ≤0.1%.
6. Unbalance of flow: ≤±3%.
7. Full load efficiency: ≥94%.
8. Power factor: ≥0.95.
9. Sound noise: ≤50dB.
10.MTBF: ≥100000 hours.
11. Machine weight: ZZG12 self-cooling series: ≤15Kg; ZZG13 Air cooled series: ≤30Kg.
12. Working temperature: -5℃~40℃.
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