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Parallel operated three-phase UPS systems with inrush current suppression and cross current control loops
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| Author(s) |
S. Nishikata; M. Omura; T. Kataoka |
| Abstract |
Transient performances of three-phase UPS systems connected in parallel are discussed for the
case when a load of capacitor-filtered rectifier is connected to the system. Inrush output current
can be greatly reduced when digital control with inrush current suppression loop and parallel
running controller in addition to observer, voltage drop compensator and PID controller is applied
to the system. Transient responses of UPS output voltage, load current and cross current when
the load is connected are examined, and the validity of the proposed control is confirmed through
experimental investigations. |
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| Filename: | EPE2003-PP0533 - Nishikata |
| Filesize: | 495.5 KB |
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| Type |
Members Only |
| Date |
Last modified 2003-10-22 by Unknown |
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