Description
MiCOM P40 AGILE
Technical Specifications: Product type: Feeder protection and control IED Measuring input: Current transformer and voltage transformer analog inputs Auxiliary power supply: 24V DC / 48V DC / 110V DC / 220V DC optional Protection functions: Overcurrent protection, earth fault protection, negative sequence protection, voltage supervision, auto-recloser logic Communication interface: Ethernet port, RS485 serial port Supported protocol: IEC 61850, IEC 60870-5-104, Modbus RTU, DNP3 Operating temperature range: -20℃ ~ +60℃ Storage temperature range: -40℃ ~ +85℃ Relative humidity: 5% to 95%, non-condensing Mounting method: Panel flush mounting Protection grade: Front panel IP54, rear terminal area IP20
Functional Features: Multi-element overcurrent and earth fault protection with configurable protection curves. Integrated circuit breaker control, remote close and trip operation function. High precision measurement of three-phase current, voltage, power, power factor and energy. Fault event recording and oscillography function to store waveform data during fault. Auto reclose logic configurable for overhead distribution feeders. Front panel HMI with LCD display and operation keys for local parameter setting and status check. Built-in hardware clock with time synchronization support via IRIG-B or SNTP. Cybersecurity access control and data encryption function for substation network communication. Hardware self-monitoring to detect internal circuit abnormality and generate fault alarm.
Application Scenarios: Medium voltage overhead feeder protection, cable feeder protection, industrial substation bay control, renewable energy grid connection protection, water treatment plant power distribution substation, mine auxiliary power distribution system, commercial building medium voltage distribution cabinet.
Performance Parameters: Fast fault detection and trip output for short circuit and earth fault. High precision voltage and current measurement under normal operating condition. Oscillography function captures high resolution waveform data during power fault. Continuous operation: 24 hours uninterrupted operation in substation cabinet. Time synchronization accuracy within millisecond level for multi-device event sequence recording.
Material Composition: Front panel: Reinforced flame retardant plastic with transparent polycarbonate LCD window. Main PCB: Multi-layer FR4 glass fiber epoxy printed circuit board with conformal coating. Core components: High precision analog sampling IC, main processing CPU, non-volatile memory, communication transceiver chip. Rear terminal block: PA66 flame retardant plastic screw terminal with tinned copper contacts. Housing: Metal rear chassis for electromagnetic shielding.
Structural Features: Rectangular panel flush mounting casing, front panel equipped with LCD screen, function keys and status LED indicators. Rear side arranged with screw terminals for CT, VT, auxiliary power and binary input/output wiring. Internal circuit separated into analog signal sampling area, digital processing area and communication interface area. Metal rear shell provides electromagnetic shielding for internal circuit. Internal isolation barrier between high voltage analog sampling circuit and low voltage digital circuit. Built-in mechanical fixing lugs for panel mounting.
Working Principle: Current and voltage signals from CT and VT are transmitted to analog input terminals of IED. Analog sampling circuit converts high magnitude current and voltage signal into low level signal for ADC conversion. CPU executes protection algorithm continuously. When measured electrical value exceeds protection threshold, protection logic starts timing. After preset delay expires, binary output relay contact closes and sends trip command to circuit breaker. All measured data, alarm events and fault waveform are stored into non-volatile memory. Communication module transmits real-time measurement value and fault records to SCADA system. Local HMI allows operator to view status, modify setting parameters and manually operate circuit breaker.
Installation Requirements: Cut off auxiliary power supply and secondary CT/VT circuit before wiring. Install IED into cutout of control cabinet front panel and fasten mounting lugs. Connect CT and VT secondary wiring, auxiliary power cable and binary input/output control wiring to rear terminals. Set protection curve, threshold value, auto-reclose parameter and communication address via configuration software. Complete time synchronization setup via SNTP or IRIG-B signal. Ensure cabinet protective earth ground connection is reliable. Separate CT/VT secondary wiring from high voltage primary cables. Reserve enough rear wiring space for terminal maintenance.
Usage Notes: Backup all protection setting files before parameter modification or firmware upgrade. Do not open CT secondary circuit while primary side remains energized. Check CT polarity and VT phase sequence carefully during commissioning. Regularly inspect terminal screw tightness and front panel LED status. Wear anti-static wristband when handling internal circuit board. Do not operate IED outside rated temperature and humidity range. Prevent dust and moisture accumulation inside rear terminal area.
