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Take inventory of major three-phase equipment, and evaluate vulnerability to single phasing, phase imbalance, under voltage, and over voltage. |
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Convert overloads on starters from eutectic alloy and bi-metallic to solid state overloads that are rated for single phasing based on current imbalances. This protects all the way to the motor. Load protected from utility and internal single phasing conditions. |
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Apply protection measures for individual motors or groups as needed. |
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Apply solid state motor overloads with communications for warning of deteriorating voltage conditions and automatic protection. |
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Provide networked motor monitoring where desirable. |