Case Studies

Kanadevia Success Story

Kanadevia Advanced Predictive Maintenance Strategy With ADI OtoSense SMS: Case Study for a Waste-To-Energy Plant

In its decades-long pursuit of a sustainable society through their environmental, plant and decarbonization businesses, Kanadevia Corporation, formerly Hitachi Zosen Corp, has successfully completed a proof-of-concept project using ADI OtoSense Smart Motor Sensor (SMS) on critical equipment in a waste-to-energy (WtE) plant. WtE plants require 24-hours stable operation, however the lack of redundancy on the specific critical assets, such as Induced Draft Fans (IDFs), poses a risk of unscheduled downtime. Kanadevia has confirmed that monitoring the performance degradation of the assets with SMS can help address this issue.

The Challenges

Increasingly aging facilities

High Cost of unscheduled downtime which adversely impacts community relations

Barriers to system redundancy (IDF Motors)

Insufficient insights to determine the location and cause of operation stoppage from existing vibration-only measurements

The Solution

Strong decision support for operations continuity from SMS Health Index and diagnostics

Improved maintenance times supported by SMS actionable insights.

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Implementation

Kanadevia utilized the SMS solution as a part of their plant monitoring system. Any notifications generated by the solution are sent to Kanadevia’s Advanced Information Technology Center (A.I/TEC) that provides 24-hours plant monitoring services. For the pilot, Kanadevia deployed the SMS sensors to the IDFs at Clean Park Orii (Kyoto, Japan), a facility it manages, and monitored them through SMS dashboards.

 

“Shaft Balance,” “Alignment,” and “Performance” index degradation were detected in two IDFs. The quantitative Health Index score from SMS allowed prioritization and the decision to perform emergency maintenance on only Unit 1.

 

The Kanadevia maintenance team confirmed the performance degradation was caused by partial exfoliation and shedding of rust on the impeller surface.

 

This proof of concept demonstrates the effectiveness of ADI OtoSense SMS-based maintenance methodology, which facilitated rapid guidance on anomaly sources and targeted maintenance tasks.

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ADI OtoSense Smart Motor Sensor Reduced Overall Costs

Reduce Downtime

Reduces unforeseen downtimes and avoids catastrophic failures

Reduce Overhauls

Extends period between overhauls

Optimize Maintenance

Reduces route-based activities & optimizes maintenance resource allocation

Efficiently Manage Resources

Manages spare parts and stock more efficiently

Extend Lifespan

Increases lifetime of your equipment

Optimize Efficiency

Optimizes motor efficiency

Improve Efficiency

Improves OEE (Overall Equipment Efficiency)

Benefit of ADI OtoSense Smart Motor Sensor

Advanced Diagnostics for Prioritized Action Items

Identifies electrical and mechanical performance degradation

Supports maintenance prioritization via assessment of severity levels

Provides repair insights and recommendations

Cutting-Edge Sensing Technologies for High Quality

Multi-axis, wide bandwidth vibration sensors monitor mechanical health

Magnetic field sensors monitor electrical health

Temperature sensors monitor ambient and motor skin temperature

Machine Learning Creates Motor Models During Operation

Combines and interprets high quality, sensing data for higher reliability diagnostics

Creates automated, brand agnostic motor models.

Customized model for individual motor & the processes in which it is used

Shota Akatsuka

Shota Akatsuka

Advanced Information Technology
Kanadevia Corporation

"Although the site had detected signs of abnormality due to increased vibration, it was difficult to determine whether the operation should be stopped immediately or wait until the next maintenance, given that the cause of the abnormality was not yet clear. SMS gave us insights into deciding the next action to prevent unplanned downtime."

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