A. Inspection and Testing
This service is for conducting and reporting the more generally applicable and acceptable tests which are covered to determine the performance and characteristics of Polyphase induction motors and generators. Additional tests, not specified herein, may be required to satisfy specific research or application needs. These procedures are in conformance to most of the provisions from IEEE Standards 112 and Section 4 of AR100_0406-Recommended Practice of Repairing Electric Motors. The inspection and testing are based on the following:
- AR100_0406-Recommended Practice of Repairing Electric Motors Section 4.2.2 - Insulation Resistance Tests; Section 4.2.3 Polarization Index; Section 4.2.7 Surge Comparison Test; Section 4.4 Hi-Pot Test (Non-Destructive Testing using DC voltage); Section 4.3 Recommended Winding Test. This inspection and testing diagnose electrical health condition of the motor prior to operation.
- Alignment Tolerance - inspect and test shaft alignment of motor and its drive system using Fixturlaser NXA Alignment System.
- ISO 10816-3 Vibration Severity Chart. This inspection and testing diagnose mechanical health condition of motor and its drive system.
- Performance Test. Conduct measurement of motor electrical parameters without and with load to check the operating characteristics of the rotating machine based on IEEE Standards 112 - IEEE Standard Test Procedure for Polyphase Induction Motors and Generators, specifically for the following:
- Power Factor
- Calculation of motor efficiency
- Bearing temperature
- Motor body temperature
B. Proactive Reliability Maintenance
Proactive Reliability Maintenance (PRM) enables a plant to redefine what is routine, or unavoidable, by addressing equipment failures and implementing the processes necessary to prevent their reoccurrence. At its foundation is a systematic method to benchmark asset productivity and implement corrective actions that will reduce total life cycle costs. PRM process identifies the root cause of these failures and prescribes measures to prevent their reoccurrence.
- Walk-through Audit
A Walk-through Audit is to get an overview of the facility with potential Energy Management Opportunity(EMO) concentrating on the motors and its drive system. Client to provide record of equipment ratings, actual electrical parameters (kW, voltage, amperage, PF), technical catalogue, O&M manuals that are readily available will be very helpful to quickly determine where equipment/systems are operating efficiently. Submit report and proposal.
- Detailed Energy Audit
If client is committed to energy conservation and have allowed for adequate staffing and funding, Detailed Energy Audit is a must. The audit involves measurement and analysis of motor and its drive systems, identify as many EMOs as possible, classify them into different EMO categories, further study if more complex items are involved, formulate a plan for implementation and finally present it to the client. This audit goes much beyond the Walk-through Audit. Submit Energy Audit Report.
- Energy Audit Report
The report outline the objectives and scope of audit, description of characteristics and operational conditions of equipment/systems audited, findings in the audit, EMOs identified, corresponding savings and implementing costs, recommendations on EMO implementation and programme and any other follow-up actions.