1. Impedance should not be too low for desired maximum fault current . 2. Allowable ground resistence depends on the available fault current and codes. 3. Series reactors can also be used to limit fault currents . 4. This might ideally happen in less than the first half cycle of fault current . 5. A large solidly grounded distribution system may have thousands of amperes of ground fault current . 6. Principal advantages of motor generators include very high fault current ratings and clean output current. 7. A fault current for as long as it takes for the system to clear the fault. 8. After the faulting branch is disconnected, the fault current limiter automatically returns to normal operation. 9. Why do you think it is easier to limit the fault current in HVDC-systems? 10. A voltage-sensing ELCB does not sense fault currents from live to any other Earthed body.
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