A Fault Handling Method for Oilfield Distribution Network Grounded Through Small Resistance
A technology for power distribution network faults and small resistance grounding, applied in electrical components, emergency protection circuit devices, etc., can solve the problems of unstable system operation, failure of pumping units, low reliability of power supply, etc., to reduce faults and power outages Losses, improve the efficiency of fault repair, reduce the effect of the scope of power outages
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[0025] As shown in the figure, a fault handling method for oilfield power distribution network grounded by a small resistance includes the following steps:
[0026] First, the oilfield distribution network is set up. The oilfield distribution network is composed of a bus connected to the power source and a number of pumping units connected in series connected to the bus. The adjacent two groups of pumping units are connected by a circuit breaker; each pumping unit is configured for power generation. Each pumping unit is preset with several pumping units;
[0027] Secondly, when the oilfield power distribution network is working normally, the generator of the end pumping unit provides reactive power for the end pumping unit, and the generators of the pumping unit other than the end pumping unit are in hot standby;
[0028] Third, when a fault is detected in the oilfield power distribution network, find the location of the fault point; disconnect the line of the fault point by opening ...
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