Delta M50A 261 Operation And Installation Manual page 79

Efficiency
Efficiency(%)
100%
99%
98%
97%
96%
95%
94%
0%
Efficiency(%)
100%
98%
96%
94%
92%
90%
88%
0%
Efficiency(%)
100%
98%
96%
94%
92%
90%
88%
0%
Output voltage at 400Vac
M70A_260
20% 40%
M50A_260/261
20% 40%
M50A_240
20% 40%
Figure 7-1: Efficiency Curve
Pn=70kW
60% 80%
Pn=50kW
60% 80%
Pn=50kW
60% 80%
79
Technical Information
460V
600V
800V
Output
100% Power (%)
390V
600V
800V
Output
100%
Power (%)
410V
600V
800V
Output
100%
Power (%)