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Machine Condition Monitoring (MCM)

Machine Condition Monitoring (MCM)
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KONČAR – Electrical Engineering Institute Inc. Department for rotating machines Fallerovo šetalište 22, 10 000 Zagreb, Croatia Phone: + 385 1 3656 291 Fax: +385 1 3666 377 Web: www.koncarmonitoring.com Email: mcm@koncar-institut.hr

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MACHINE CONDITION MONITORING Rotating machines are one of the key and most valuable components in a power system. Equipping rotating machines with systems for condition monitoring enables predictive maintenance and risk assessment. It ensures: Processing unit (real time processing, modular design, analog inputs/outputs, digital inputs/outputs, ICP, RTD, Pt100, thermocouple …) Higher machine availability Improved safety of service and no unplanned outages or dead times Longer service life Early fault detection Better resource management (time, human, capital) Process values – analog and...

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1. MCM specification Architecture: • Data acquisition unit with the real time controller and local visualization Inputs: • Vibration inputs (IEPE) • Analog inputs (0-10 V / (0)4-20mA) • Speed sensor input(0-10 V) • Temprature inputs (RTD, Pt100) • Digital inputs • Additional inputs on request Digital/relay outputs: • Number of outputs: 2-8 • Continuous current: 6 A • Maximum switching power: 1500 VA • Maximum switching voltage: 250 VAC/DC • Maximum switching frequency: 0,1 Hz • Rated isolation voltage: 300 V overload (category III) by EN 50178 • Surge withstand: 4 kV (1,25/50 µs), by IEC...

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2. Software The processing units are connected through the standard communication protocols with server computer (central diagnostic computer). In addition to the measurement data display, the central diagnostic system enables through expert tools of the MCM system: analysis of the measured results, diagnostic monitoring, recording/storing measurement data and important events (e.g. alarms). MCM system enables local data visualization through operator touch panel. Local visualization enables insight into real-time data, alarms, trends and orbit plots. All screens can be modified according...

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3. Sensors Relative displacement sensor Cavitation sensor This sensor is used for measurement of machine shaft relative displacement and rotor axial displacement. Accelerometers and velocity sensors This sensor is used for measurement of cavitation on hydro turbines. Current measuring sensor This sensor is used for measurement of absolute bearing vibrations, machine housing vibrations and structural machine parts vibrations. Tacho sensor (key phasor) This sensor is used for measurement of AC and DC current without interrupting measuring circuit. Partial discharge sensor This sensor is used...

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1 1 – electrical cabinet 2 – touch panel (local HMI) 3 – processing unit 4 – additional equipment MCM system is flexible and modular. Based on number of measuring channels, scope of the measuring equipment and Customer requests, we offer appropriate electrical cabinets. Usually cabinets are equipped with: • • • • • • • • • • Protective/processing unit with measuring modules, Power sources for measurement equipment Terminals for connecting the sensor signal cables. Heater Lighting Humidity sensor Thermostat Fans for cooling Touch display (operator’s panel) Local HMI Server computer IP...

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KONCAR - Electrical Engineering Institute Inc. Department for rotating machines Fallerovo setaliste 22,10 000 Zagreb, Croatia Phone: + 385 1 3656 291 Fax: +385 1 3666 377 Web: www.koncarmonitoring.com Email: mcm@koncar-institut.hr SYSTEM CERTIFIED

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