Power Amplifiers
Power Amplifiers
PWA series power amplifier is composed of power exchange unit, electric control unit, signal modulation and protection unit, driving unit, power amplification unit and human-machine interface, etc.
The main features including high reliability, high efficiency, energy-saving, flexible and compact structure.
- Adopt modular design
- Self-diagnostic function
- Auto-saving function
- User-friendly
- Optional remote control
- Adopt signal and power separation
- Coding and decoding technology
Power range | 0.1~600 kVA |
Output voltage | 150 Vrms（rated）, 180 Vrms（max.） |
Input impedance | ≥10 kΩ |
Signal-to-noise ratio | ≥65dB |
Harmonic distortion （resistive load） | ＜ 1.0 % （typical value） |
Output current | ≤ 4000A（200A step increase） |
Output current crest factor | ≥ 3 |
DC stability | Output terminal zero drift≤ 50mv/8h |
Frequency response DC ~5000Hz | ± 3dB |
Medium-frequency gain | ≥ 80 |
DC/ AC conversion efficienc | ＞ 95% |
Load type | Resistive, capacitive, inductive (optional) |
Parallel operation current unbalanceness | ≤ 1% |
MTBF | ≥ 3000（Hours） |
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