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MDSP3 Current Signature Analysis
Brand: IRIS Power.png)
The MDSP3 detects rotor cage winding faults including broken rotor bars, cracked shorting rings and unequal air gaps.
Features- Advanced Algorithms: to accurately predict the operating slip from the measured current. The slip calculations can also be done at different loads.
- Simplicity: Can detect cage winding faults and eccentricity with the use of a single clamp-on current sensor connected to the secondary side of 50 or 60 Hz motor current transformer; or around one of the phase leads.
- Reliability: Reduces the risk of false indications by distinguishing between noise and legitimate rotor bar problems, with a noise floor greater than 100 dB.
- On‐line measurements: All testing is done on‐line, in less than 75 seconds in normal mode, to find problems before they cause additional motor damage.
- Range and accuracy: Can accurately test motors under varying load conditions and includes two current probes to cover a wider range of current from 5 to 1,000 A.
- Portable and safe: Needs only one input from a current probe clamped directly to one of the phase leads or the secondary side of a CT at the motor MCC or breaker. Processor is powered through the USB connection or 100 to 200 V 50/60 Hz power supply.
Specifications
Brand
Load Current
- Between 35 % & 110 % of Nameplate & Atleast 20 % of Nominal Sensors Current
Maximum Rotor Slot Passing Frequency
- 3,000 Hz
Minimum Full Slip
- 0.8%
Motor HP
- 50 hp (37.5 kW) & Up
Sampling Rate
- > 6,500/second
Signal / Noise Ratio
- > 100 dB