- 🌐 Introduction: The AREVA Motor Protection MiCOM P220 (Model: P220C00M11160) numerical relay is engineered for comprehensive protection, control, and monitoring of low and medium-voltage electric motors, delivering reliable thermal overload protection, fault diagnosis, and seamless integration across industrial automation systems.
Product Parameters & Datasheet
- 📐 Dimensions: Compact industrial flush-mounting case measuring approximately 177mm x 159mm x 215mm.
- ⚖️ Weight: Approximately 3.1 kg.
- 🌍 Country of Origin: France / United Kingdom.
- ⚡ Power Supply Rating: Wide-range auxiliary power supply (typically 24 to 250 VDC or 48 to 240 VAC).
- 🔧 Installation Style: Semi-flush panel mounting or 19-inch rack enclosure installation.
- 🌡️ Operating Temperature: −10∘C to +55∘C.
- 湿度 Humidity: Up to 93% non-condensing relative humidity at 40∘C.
- 🛡️ Ingress Protection: IP52 front panel protection against dust and moisture ingress.
- 🔌 Communication Interface: Rear RS485 communication port supporting standard industrial protocols (e.g., Modbus or IEC protocols).
- ⚡ Power Consumption: Maximum 15 W under full operating load.
Application Fields
- Medium-voltage and high-voltage industrial motor protection in power plants.
- Pumping stations, compressor drives, and fan installations in petrochemical facilities.
- Heavy manufacturing conveyor and mill motor management systems.
- Industrial co-generation and auxiliary substation automation schemes.
Product Precautions
- Verify that auxiliary control voltage matches the relay’s rated input specifications prior to energization.
- Ensure all current transformer (CT) secondary circuits are securely short-circuited or isolated before disconnecting the wiring plug terminals.
- Handle the internal electronics and replacement modules using proper electrostatic discharge (ESD) wrist straps and grounding equipment.
- Check that panel cutouts and mounting clips provide a secure mechanical fit to withstand vibration in heavy industrial environments.
Parameter Configuration & Modification Methods
- Configuration and setting adjustments are performed using dedicated MiCOM S1 or compatible support software connected via the front optical communication port or rear serial interface.
- Parameters such as thermal overload curves, start-up current thresholds, and trip time delays can be modified and downloaded directly to the internal non-volatile memory.
Manual/Automatic Mode Switching
- Transitioning between local manual reset commands and automated supervisory control routines is managed through programmable logic inputs, front-panel function keys, or remote SCADA control communication words.
Emergency Trip Operation
- Hardware Trip Execution: High-speed internal output relay contacts immediately trip the motor circuit breaker or contactor upon detecting thermal overload, phase unbalance, or short-circuit fault conditions, operating independently of supervisory software.
Frequently Asked Questions (Q&A)
- Q: How are motor thermal states tracked by the relay?
A: The relay uses a mathematical thermal image algorithm based on measured load currents and motor cooling constants to monitor thermal capacity utilization.
- Q: Can trip history and event logs be retrieved locally?
A: Yes, fault records, event logs, and disturbance recordings are stored in non-volatile memory and can be viewed via the front display panel or downloaded via software.
- Q: What backup power is available for settings during power loss?
A: All configuration settings and recorded logs are stored in non-volatile flash memory, requiring no internal battery backup to retain data.
Related Industry News
Recent trends in electrical protection infrastructure emphasize the transition to digital, numerical multifunction relays that offer advanced thermal modeling and seamless substation communication. Upgrading legacy motor protection to networked digital relays allows plant operators to gather real-time asset health data, improving predictive maintenance and reducing unexpected downtime.
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