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Alstom Micom P40 AGILE MICOM P141
Application Scenarios
1. Power Distribution Networks
- MV Feeder Protection: Overcurrent/earth fault protection for 6.6–33kV substations .
- Fault Location: Pinpoints cable/line faults via impedance-based algorithms .
2. Industrial Facilities
- Motor/Generator Backup: Protects critical drives in plants using directional overcurrent .
- Microgrid Control: Manages grid-tie transitions and load balancing .
3. Renewable Integration
- Solar/Wind Farm Collection Grids: Synchronizes distributed resources with autoreclosing .
4. Transportation & Infrastructure
- Rail Electrification: Protects catenary systems with distance protection .
Detailed content
Technical Specifications
| Category | Details |
|---|---|
| Electrical Ratings | – System Voltage: Up to 34.5 kV – Rated Current: 1A/5A CT inputs – Voltage Inputs: 100/120V or 380/480V AC |
| Protection Functions | Overcurrent, directional/non-directional earth fault, distance protection, autoreclosing, undervoltage/overvoltage, synchronism check |
| I/O Capacity | – Optical Inputs: 32 channels – Output Contacts: 32 relays (10A continuous, 250A/30ms surge) – Analog Inputs: Configurable for 4-20mA/0-10V |
| Communication | – Protocols: Modbus RTU, DNP3, IEC 61850-8-1 – Interfaces: RS-485, Ethernet (RJ45/fiber), USB for PC toolkit |
| Environmental | – Operating Temp: -40°C to +85°C – Protection Class: IP52 (front)/IP50 (rear) – Humidity: 10–90% non-condensing |
| Physical | – Dimensions: 282 mm × 217 mm × 99 mm – Weight: 1.85 kg – Mounting: Panel or DIN rail |
Functional Features
1. Advanced Protection Algorithms
- Sub-cycle Fault Clearing: Directional overcurrent and distance protection with <20ms response for critical faults .
- Adaptive Autoreclosing: Configurable up to 4 shots with dead-time synchronization .
2. Grid Intelligence & Diagnostics
- Real-Time Monitoring: Tracks voltage, current, power, frequency, and harmonics .
- Fault Recording: Stores ≥8 fault events with oscillography and 512 time-stamped logs for analysis .
- CT/VT Supervision: Detects sensor failures or wiring errors .
3. Control & Automation
- Programmable Logic (LogicsManager™): Customizable schemes for load shedding, peak shaving, and islanding detection .
- Settings Groups: 4 independent profiles for seasonal/operational mode switching .
4. Cyber-Secure Connectivity
- IEC 61850 GOOSE Messaging: Enables fast peer-to-peer communication for grid-wide protection coordination .
- NERC-Compliant Security: SNMP v3 support for network monitoring .
5. Durability & Compliance
- EMI Immunity: Withstands 4kV surges, 35V/m RF interference, and electrostatic discharges up to 15kV .
- Certifications: CE, UL/cUL, IEC 60255, IEEE C37.90 .
Compatibility & Integration
| System Type | Compatible Devices |
|---|---|
| Controllers | Alstom AC100, GE UR series, Siemens Siprotec |
| SCADA/EMS | ICONICS, Wonderware, PI System via DNP3/IEC 61850 |
| Tooling Software | Alstom MiCOM S1 Studio (Windows 10 compatible) |
Key Advantages vs. Legacy Relays
| Feature | P141 Agile | Conventional Relays |
|---|---|---|
| Speed | Sub-cycle (<20ms) fault clearance | 50–100ms response |
| Flexibility | 4 settings groups + programmable logic | Fixed logic schemes |
| Data Depth | 512 event logs + oscillography | Basic event recording |
| Lifecycle Cost | Modular design; field-upgradable firmware | Hardware replacement for upgrades |
