Single-phase Ground Fault Comprehensive Management System
The single-phase-to-ground integrated control system consists of a single-phase-to-ground fault pulse-selection device, a single-phase-to-ground fault protection device, and a full-voltage monitoring device. When a single-phase arc-flash ground fault occurs in the system, the ground-fault pulse-selection device generates a half-wave current at power-frequency with a relatively high amplitude to identify the faulty line. After the fault line is identified, an arc-suppression coil combined with a dynamic switch can effectively eliminate the arc-flash ground fault. Meanwhile, the broadband full-voltage monitoring device fully records, processes, and analyzes the voltage waveforms of the power system both under fault conditions and during transient events such as lightning strikes or operational disturbances.
- Core Advantages
- Technical Parameter
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Plan One
The single-phase-to-ground integrated control system consists of a single-phase-to-ground fault pulse-selection device, a single-phase-to-ground fault protection device, and a full-voltage monitoring device. When a single-phase arc-flash ground fault occurs in the system, the ground-pulse-selection device can generate a half-wave power-frequency current with a relatively high amplitude to identify the faulty line. Once the faulty line is identified, ...
After implementation, the use of arc-suppression coils and dynamic switches for arc suppression can effectively address arc-flash ground faults. Meanwhile, a wide-bandwidth, full-voltage monitoring device fully records, processes, and analyzes voltage waveforms in power systems during fault conditions as well as under impacts from lightning strikes, switching operations, and other disturbances.
Plan Two
The single-phase-to-ground integrated control system consists of an integrated fault management system grounding cabinet and an integrated fault management system PT cabinet. This system employs fast-switching devices to rapidly and effectively prevent the further development of single-phase arc-ground faults. It also features a high-precision, low-current line-selection device that quickly and accurately identifies the faulty line. Moreover, its built-in active current-limiting and harmonic suppression function can fundamentally address PT ferroresonance.
Keywords:
Single-phase Ground Fault Comprehensive Management System
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