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  1. caided

    TRIPPING OF HARMONIC FILTER

    There are five capacitors in parallel in each phase with the following rating. 44 MFD/phase, 200 kVAR/unit, 5 kV/unit, five of them in parallel. The expected reactive per phase is 1,030 kVAR. The operating voltage of the capacitor is 3.81 kV per phase. The delivered reactive power is 632...
  2. caided

    Short circuit studies, demand loads, etc..

    The study objectives, the criteria of the study, description of the results and how it is applied for the systems are well described in the following book: Ramasamy Natarajan, Computer aided power system analysis, Marcel Dekker, New York, 2002. You can find this book in the internet also. The...
  3. caided

    TRIPPING OF HARMONIC FILTER

    For the given value of C = 220 MFD/phase and L = 1.92 mH, the calculated resonant frequency is 245 Hz. This is 4.9f for the 50 Hz system and 4.08f for the 60 Hz system. What is the voltage rating on the capacitor unit? What is the kVAR of the given unit? How are they connected (how many in...
  4. caided

    TRIPPING OF HARMONIC FILTER

    The tuned frequency of a harmonic filter is related to the kVAR of the capacitance and the reactor rating. In the case of the capacitance, the operting voltage and the rated voltage are different due to the design approach. Therefore, there is a possiblity that the filter tuned frequency is...

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