INTEGRATED PROTECTION & CONTROL SOLUTION FOR MOTOR MANAGEMENT BLOCK MICOM P220

Application
1. Comprehensive protection of LV/MV motors Protections
2. Thermal overload with thermal image (logarithmic characteristic). Configuration of 3 thermal time constants (starting, overload, cooling), 3 stages of thermal loading: alarm, trip and inhibition of CB closing.
2. Three-phase overcurrent against phase-to-phase faults; 1-stage
3. Earth fault, 2-stage. Co-operation with core balanced CT or three-phase CTs (Holmgreen arrangement).
4. Excessive starting time. Overcurrent criteria. Detection of the motor’s starting on the basis of the starting current value or of a change in CB status
5. Locked rotor while running or starting. Overcurrent criteria
6. Unbalance, loss of phase and single phasing. 2-stage protection based on the negative sequence component of the current
7. Loss of load. 1-stage. Undercurrent criteria. Deactivated during start-up
8. Temperature supervision. Co-operation with 6 RTD sensors (Pt, Ni, Cu) or 2 thermistors. 2-stage settings for each channel.
9. Limitation of the number of successive start-ups. Inhibition of CB closing after last unsuccessful
start-up. Separate settings for cold and hot startups.

Measurements
1. Phase currents (up to 10th harmonic)
2. Earth current
3. Thermal load
4. Temperature

This INTEGRATED PROTECTION & CONTROL SOLUTION FOR MOTOR MANAGEMENT BLOCK is easily insert in your schematic diagram and connect as you like way.

Functions:-
1. 2 setting groups
2. Switchgear monitoring
3. Trip statistics
4. Emergency start-up
5. CB control
6. Programmable binary inputs, output relays and LEDs
7. Communication standards: RS232, RS485
8. Transmission protocols: Courier, Modbus, IEC60870-5-103
• Recording of:
1. Events – 75
2. Faults – 5 (1600 Hz, window 3s)
3. Starting current (40s)