The delta conversion principle is based around the use of two invertors connected to a common battery. ... A schematic diagram of a simple rotary system is shown in Figure 8. ... Rotary units are often only cost effective for UPS loads of greater than 1 .0MVA, they normally cost 10-15% more than static systems and have the installation ... The manufacturer states that the MTBF figures for this system are similar to that of conventional double conversion units with lead acid batteries.
Title | : | International Telecommunications Energy Conference |
Author | : | Institution of Electrical Engineers, IEEE Power Electronics Society |
Publisher | : | - 2001 |
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