Interrupted production can be costly!

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The IIot Motor Diagnostic System – Cracked Rotor Bar Defect

Interrupted production can be costly. Loss of production hours, output as well as the cost to repair mechanical faults or major machine breakdowns can severely impact production and maintenance budgets.

The IIot Motor Diagnostic System allows plant owners to prevent unplanned mechanical breakdowns through fault detection alerts enabling maintenance teams to act proactively.

The IIot Motor Diagnostic System installed at an international rubber and tyre manufacturer on a rubber-mixing mill saved the company many hours of unscheduled downtime and hundreds of thousands in production revenue.

The Roll Milling Machine applies a mechanical process to blend the ingredients into a homogeneous substance. Internal mixers fitted with two counter-rotating rotors in a large housing shear the rubber charge along with the additives.

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The IIot Motor Diagnostic System identified an existing Coupling/Bearing problem in the Roll Milling Machine. The system also flagged an immediate alert related to the Rotor Bar parameter.

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The trend visibly reflects how the Rotor Bar error advanced. Vibration measurements verified the presence of broken rotor bars, already identified by The IIot Motor Diagnostic System.

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The IIot Motor Diagnostic System in this instance demonstrated its ability to detect developing Rotor Bar faults, alerting the maintenance team. The necessary predictive and preventative maintenance actions were taken, resulting in no production loss recorded.

Can you imagine the impact on the production and maintenance budget if this fault were not detected?

CIS Industrial Services (Pty) Ltd – Plant Uptime, Plant Safety, Asset Reliability!

Asset Management and Energy Efficiency Toolkit

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Asset Management Toolkit (AMT), is an Asset Management and Energy Efficiency Toolkit, which use three-phase voltage and current signals to diagnose existing electrical and mechanical problems.

Check-Up for Motor Driven Equipment – routine check-up and early diagnosis of equipment prevents catastrophic damages and helps to reduce energy consumption and operating costs.

HOW IT WORKS

Asset Management Toolkit (AMT) is equipped with a computer, which is optional as the client can also supply their own PC, meeting the required specifications if preferred, fully functional AES software for AMT Toolkit hardware, current transformers, and cables.
Asset Management Toolkit (AMT) is connected to motor cables using clamp-on current sensors and voltage cables. It collects data from motor driven systems and also has the ability to measure equipment driven by the motor, for example, a gearbox, and saves it to an SQL database. At the end of the testing period, the toolkit generates a condition assessment report, which indicates existing faults of the system, time to failure information, recommended corrective actions, and effects of these faults on energy efficiency.

Fault Coverage

  • Loose foundation/components
  • Unbalance/misalignment/coupling
  • Transmission faults
  • Driven equipment faults
  • Bearing faults
  • Rotor faults
  • Stator/insulation faults
  • Voltage unbalance
  • Current unbalance
  • Internal and external electrical faults

Process Faults

  • High energy consumption
  • Low efficiency
  • Cavitation in pumps
  • Flow turbulence in fans, blowers
  • Filter and heat exchanger fouling
  • Lubrication
  • Oversize/undersize motors

Parameters

  • RMS values of three phase voltages and currents
  • Frequency
  • Power factor
  • Active power
  • Reactive power
  • Total Harmonic Distortion
  • Harmonics up to 13th
  • Voltage and current balances

WHAT ARE THE KEY BENEFITS OF THE ASSET MANAGEMENT AND ENERGY EFFICIENCY TOOLKIT?

  • Immediate payback by corrective action
  • Instant condition assessment report
  • Advanced analysis and reporting
  • No sensors on motor or equipment
  • Improved efficiency and reliability of plant and processes
  • Increased machine availability

Software Features

  • Classification of data into companies and motors
  • Instant Condition Assessment Report
  • Instant PSD download for frequency spectrum analyses
  • Instant voltage-current waveform download

Current Transformers included in the Asset Management Toolkit (AMT)

  • 4 sets split-core current transformers
  • 400/5A, 300/5A, 200/5A, and 100/5A, Class 1
  • Frequency range 50/60 Hz
  • System rated voltage 0.72/3kV
  • Isolation voltage 3kV (1 minute)
  • Continuous current 1.2xrated current

Immediate Payback

Taking corrective action for existing equipment faults will eliminate unplanned downtime, improve energy efficiency, reduce maintenance cost and extend equipment lifetime.

Energy Consumption

Motor-driven systems consume 66% of the electrical energy in an industrial plant. Any improvement can yield a considerable amount of energy saving.

Operations and Maintenance

It has been estimated that Operations and Maintenance programs targeting energy efficiency can save up to 20% on energy bills without a significant capital investment. From small to large sites, these savings can represent thousands to hundreds-of-thousands of Rand each year, and many can be achieved with minimal cash outlays.

SECTORS

Asset Management Toolkit (AMT), can be used in all industrial sectors ranging from; Oil & Gas, Energy, Cement, Metal, Pharmaceutical, Automotive, Water, Transportation, Food & Beverages, Building and more.

APPLICATIONS

Applications typically range from; compressors, fans, pumps, conveyors, generators to motor driven equipment.

DIMENSIONS

The Asset Management Toolkit (AMT) is compact in size, 550x310x190mm, and the unit comes in a handy protective dust and waterproof case.

CIS Industrial Services (Pty) Ltd – Plant Uptime, Plant Safety, Asset Reliability!

Need to monitor your rotating machinery?

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Accelerometers – Accelerometer sensors accurately measure vibration, shock, acceleration, motion for monitoring, control and testing applications. Accelerometers in Industry are primarily used to monitor the condition of rolling element bearings or ball bearings on rotating machinery such as fans, pumps, gears, compressors, turbines, paper machines, cooling tower fans and many other types of machinery. Accelerometers typically provide a dynamic signal output for use by condition monitoring systems including monitors, transmitters, analyzers and portable data collectors. Accelerometers are crystal based and convert mechanical motion to an electrical signal in the plant where they are mounted using the piezoelectric principal. Care must be taken with installation to insure proper operation to specifications. CIS Industrial Services offers General Purpose, Low Frequency, High Frequency and High Temperature Accelerometers in many different configurations. All Accelerometers are field proven. Accelerometers are also available in explosion proof (XP/IS) versions for hazardous area installations.