An 8-stage impulse generator has 1.2 uF capacitors rated for kV. What is its maximum discharge energy? If it has to produce a 1/50 μs waveform across a load capacitor of 15,000 pF, find the values if the wave front and wave tail resistances.
An 8-stage impulse generator has 1.2 uF capacitors rated for kV. What is its maximum discharge energy? If it has to produce a 1/50 μs waveform across a load capacitor of 15,000 pF, find the values if the wave front and wave tail resistances.
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Transcribed Image Text:2. An 8-stage impulse generator has 1.2 uF capacitors rated for 167 kV. What is its maximum
discharge energy? If it has to produce a 1/50 μs waveform across a load capacitor of 15,000 pF,
find the values if the wave front and wave tail resistances.
3. Calculate the peak current and waveshape of the output current of the following generator. Total
capacitance of the generator is 53 uF. The charging voltage is 200 kV. The circuit inductance is
1.47 mH, and the dynamic resistance of the test object is 0.051 ohms.
4. A single-phase testing transformer rated for 2 kV/350 kV, 3500 kVA, 50 Hz on testing yields the
following data: (i) No-load voltage on HV side 2% higher than the rated value when the input
voltage is 2 kV on the LV side (ii) Short circuit test with HV side shorted, rated current was
obtained with 10% rated voltage on the input side. Calculate the self-capacitance on the HV
side and the leakage reactance referred to the HV side. Neglect resistance.
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