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Electric Power Voltage Sag Solutions: Coil-Hold-in-Devices Coil-Locks

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Electric Power Voltage Sag Solutions: Coil-Hold-in-Devices Coil-Locks

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    1. Electric Power Voltage Sag Solutions: Coil-Hold-in-Devices (Coil-Locks) Presented by: Power Quality Solutions, Inc. (PQSI) Knoxville, Tennessee USA

    2. Symptoms of Electric Power Quality Problems Power Quality problems are … … failure or misoperation … of customer end-use equipment … caused by voltage, current or frequency deviations

    3. The Voltage Sag Solution: PQSI Coil-Locks A cost-effective, low intrusive way to protect your vital equipment from voltage sags and dips.

    4. Energy User Surveys*

    5. Typical Number Facility Voltage Sag Events*

    6. Typical Voltage Sags in RMS Terms

    7. Typical Voltage Sag Events* in Real-Time Terms

    8. Process Solenoid Relay & Contactor Operated Devices that can “trip” with 25% Voltage Sag Events

    9. PQSI Coil-Lock Coil-hold-in-Device Protects for 75% Deep Sags (i.e. 25% Remaining Voltage)

    10. PQSI Coil-Lock Coil-hold-in-Device Provides SEMI F47 Voltage Sag Immunity

    11. PQSI Coil-Lock Applications

    12. Good Place to Begin “Hardening”: Emergency Off (EMO) Circuit (Simplified)

    13. PQSI Coil-Lock: Simple Installation

    14. PQSI Coil-Lock: Field Installations

    15. PQSI Coil-Lock: 120Vac & 240Vac Models

    17. Summary

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