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İlgili kişi :
Wang Hong
Intelligent Drop-out Fuse with Remote Control Switching Fault Monitoring and Self-power Supply for Smart Grid Applications
Ürün ayrıntıları
| Vurgulamak | Remote Control Switching Intelligent Drop-out Fuse,Fault Monitoring Smart Fuse,Self-power Supply High Voltage Fuse |
||
|---|---|---|---|
Ürün Açıklaması
Intelligent Drop-out Fuse
Product Overview
Intelligent drop-out fuse designed for State Grid Corporation of China's high-efficiency and energy-saving distribution transformer operation loss monitoring. This solution accelerates digital transformation of distribution networks, enabling holistic perception of source, grid, load, and storage device information to support global allocation and control decisions for distributed resources.
Technical Specifications
| Item | Voltage-powered Type | Current-powered Type | Electrically Controlled Operation Type |
|---|---|---|---|
| Position Signal Acquisition | √ | √ | √ |
| Phase Current Acquisition | √ | √ | / |
| Zero-sequence Current Acquisition | Real-time | / | / |
| Phase Voltage Acquisition | √ | / | / |
| Zero-sequence Voltage Acquisition | √ | / | / |
| Power Acquisition | √ | / | / |
| Remote Control Switching (ON/OFF) | / | / | √ |
| Phase-to-phase Short-circuit Protection Alarm | √ | √ | / |
| Single-phase Earth Fault Protection | √ | / | / |
| Power Supply Method | Self-power supply via capacitive voltage division | Acquisition unit: Self-power supply via current, start at 0.4A Communication unit: AC220V/Photovoltaic |
AC220V/PT/Photovoltaic panel |
| Backup Power Supply | Supercapacitor | Acquisition unit: Supercapacitor + Lithium battery Communication unit: Supercapacitor |
Lead-acid battery |
Functionality Comparison
| Function | Voltage-powered Type | Current-powered Type | Electrically Controlled Operation Type |
|---|---|---|---|
| Telemetry | Three-phase & zero-sequence current, three-phase & zero-sequence voltage, active power, reactive power, power factor, frequency, etc. | Three-phase current | / |
| Telesignal | Fuse ON/OFF position | Fuse ON/OFF position | Fuse ON/OFF position |
| Telecontrol | / | / | Local & Remote |
| Fault Monitoring | Phase-to-phase short-circuit fault, Single-phase earth fault | Phase-to-phase short-circuit fault | / |
Application Value
- Voltage-powered Type: More suitable for branches and boundary points with high importance and high fault rate:
- Solve the blind adjustment problem of conventional fuses: ON/OFF position, voltage, current, power, etc.
- Fault location: phase-to-phase short-circuit alarm, single-phase earth fault alarm, improve power supply reliability.
- Current-powered Type: More suitable for user boundary points with small capacity, realizing intellectualization at low cost:
- Solve the blind adjustment problem of conventional fuses: ON/OFF position, current
- Fault location: phase-to-phase short-circuit alarm, improve power supply reliability.
- Electrically Controlled Operation Type:
- Local switching operation: eliminate potential safety hazards caused by manual closing to fault points
- Remote switching operation: simplify operation process and reduce manual operation.
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