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Design and operation of burn-in test system for three-phase uninterruptible power supplies

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2 Author(s)
Shyh-Jier Huang ; Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan ; Fu-Sheng Pai

In this paper, a new approach for the burn-in test of three-phase uninterruptible power supplies is proposed. This method can perform the energy recovery for reducing the test cost, while the current supplied from the utility can be steered to be more sinusoidal. When a large number of burn-in test systems are activated such that harmonic problems may become more serious, the proposed method is also suggested based on its immunity to possible harmonies infiltration coming from the tested product to the utility power supplies. This method has been tested through simulation study and hardware experiments. Test results help consolidate the feasibility of the approach for the applications considered

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Industrial Electronics, IEEE Transactions on  (Volume:49 ,  Issue: 1 )