fault current


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fault current

[′fȯlt ‚kə·rənt]
(electricity)

fault current

An electrical current that flows from one conductor to ground (or to another conductor) because of an abnormal connection between the two.
References in periodicals archive ?
Manufacturing and testing of MCP 2212 bifilar coils for a 10 MVA fault current limiter.
Figure 5 shows the ratio of negative to positive sequence of current and in Figure 6 above curve is angle between pre fault and post fault current, and down curve angle difference between fault voltage and current under normal condition.
Fault current limiter market is expected to reach a value of USD 5.
That's one reason why mines have adopted high resistance grounding, in which the neutral point is connected to ground through a resistor (see Figure 2) of value sufficient to limit ground fault current to a few amperes, generally 25 A or less, although a 5 A limit is typical.
Superconducting fault current limiters can limit short-circuit currents in power transmission and distribution grids very quickly, effectively, automatically and, thus, with a high degree of intrinsic safety, making reliable grid operation possible even under difficult conditions.
When a fault occurs in one of the feeders of micro-grid, fault current flows from the power source to the fault location.
Different current threshold levels can be set for phase and ground fault currents.
It is also important in terms of sensitivity of RCD to the earth fault current.
The technology termed 'High Temperature Superconducting Fault Current Limiter (HTS-FCL)' will help mitigate high fault currents and secure the ADWEA power system.
The main cause is the severely changed fault current.
A molded in-line fuse helps to protect photovoltaic systems from ground fault current damage.

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