Electrical Testing
Electrical contractors and consultants count on Industrial Tests, Inc, for a full range of start-up and support services:
Installation Support and Supervision
Electrical construction of sophisticated power distribution equipment requires support and/or supervision by experienced field engineers. Proper installation techniques have proven to reduce short-term operation problems and downtime.
Acceptance Testing
Complete acceptance testing not only ascertains the proper functioning of new and/or upgraded equipment, it also provides baseline data for use in predictive maintenance programs. The data we collect during testing is stored in our extensive database, which can be used for comparison purposes and trending in future years.
Commissioning and EnergizingIndustrial Tests specialists perform safe equipment start-up, with attention to voltage levels, phasing and proper grounding. Specific equipment testing and adjustments are made to ensure that all electrical safety interlocks are operational and ready for long-term service.
Cable Testing and Fault Identification Cable testing identifies, locates, and isolates potential or active cable faults. Trained specialists use care in using the right equipment, voltage, and test set-up to ensure that the testing process doesn’t damage cables or connected equipment.
Ground Fault Certifications and Earth Ground Grid Testing
Experienced technicians verify low-ohmic ground paths, points, and grid.They also check ground trip pick-up points, busing, wiring, and operation. Secondary or primary injection can be used. Neutral sensor location and polarity is verified. Touch point potential measurements, usually done in outdoor substations, can also be performed. Ground grid integrity and low resistance are paramount for personal safety, equipment protection, transient voltage surge suppression, ground fault, and relay performance
Relay Testing and Calibration Among the most critical parts of the electrical system, relays serve as the brains for breakers and switches. Coupled with a coordination study, we test relays, verify pick-up points and time delay settings. We will also verify unit operation under the basis of the settings in the study. This procedure also tests control power pick-up and drop-out affecting relay operation.
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