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Single-phase earth fault processing method for neutral point ungrounded system
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Reactor winding fault detection system based on magnetic field acquisition and detection method thereof
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Fault detection and positioning method for high-voltage direct-current transmission and distribution line
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Electric power monitoring devices and system based on family
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Earth fault detection system with neutral point indirectly grounded
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Direct current system battery health status and internal fault monitoring device
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Neutral point indirect grounding fault detection system based on signal injection
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Pole tower settlement and inclination monitoring system and method based on Beidou positioning
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Pneumatic insulator sweeper
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Automatic clamping manipulator and control method thereof
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Normal-temperature pasting device for removing dirt on surface of composite insulator
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Fault phase identification method for single-phase earth fault of power distribution network based on active injection method
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Single-phase grounding fault detection control method for power transmission and distribution line
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Electricity testing type insulating rod
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Transformer substation's cable pit ponding alarm device
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Device for extinguishing fire in cable duct
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A insulator spindle for electric power overhauls
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Insulation shearing device for maintaining operation of power grid
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Power transmission line fault identification method based on operation
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Overhead transmission line cable fault detection system
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