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Introdu ct ion to ATS

Introdu ct ion to ATS. Scott Kolek – ATS Global Product Manager 2006 Annual Power Quality Meeting. What is an A utomatic T ransfer S witch ( ATS ) ?.

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Introdu ct ion to ATS

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  1. Introduction to ATS Scott Kolek – ATS Global Product Manager 2006 Annual Power Quality Meeting

  2. What is an Automatic Transfer Switch (ATS) ? • An ATS is a device designed to Automatically switch (transfer) between (2) sources of power to improve the reliability of the electrical supply to a connected load. Backup Source (typically a Generator Supply (Normally De-Energized) G Primary Source (typically a Utility Supply or Utility Bus) (Normally Energized)

  3. Automatic Transfer Switches (ATS) provide 2 sources of power to life and business critical loads, including UPS Power Quality Equipment Utility Power “Digital World” Bridge the Gap Bridge the Gap 99.9% 99.9999 99.9% 99.9999 (8 hours/yr downtime) (8 hours/yr downtime) (1 second/yr downtime) (1 second/yr downtime) Deregulation, Shortage, Limited Infrastructure = Unreliable & cost up Dependent on availability and reliability of electrical energy ATS...An integral part of the Power Quality Solution Primary Power Source UPS TVSS Life Safety Loads ATS Backup Power Source PSG Business Critical Loads

  4. Typical Applications of ATS • Utility and Engine Generator • Single unit standby applications are very common • Utility and Utility • Dual utility applications are becoming more common • Generator and Generator • Prime power / standby application

  5. Standard Transition (No Center Position) Delayed Transition (With Center OFF Position) NOTE: “OFF” Position indicatesNeither Source connected Closed Transition (Make-Before-Break Operation) NOTE: “P” Position indicates both sources paralleled for 5 cycles Standard Transfer Switch: Types

  6. BypassATS StandardATS Bypass Transfer Switches: Types Standard Transition (No Center Position) Delayed Transition (With Center OFF Position) NOTE: “OFF” Position indicatesNeither Source connected Closed Transition (Make-Before-Break Operation) NOTE: “P” Position indicates bothsources paralleled for 5 cycles

  7. GE Zenith Range of ATS - Overview ZTX Series • Residential/Light Commercial applications • 40-400 Amp & 120-480 Volt ratings • 2, 3, or 4-Pole ZTG series • Pre-Engineered & Standard applications requiring dependability and ease of operation • Standard & Delayed Transition • 40-3000 Amp & 120-600 Volt ratings • 2, 3 or 4-Pole ZTS series • Spec Grade & Custom applications • Standard, Delayed, Closed Transition • Bypass versions available with all Transition modes • 40-4000 Amp ratings 120-600 Volt ratings • 2, 3 or 4-Pole

  8. Key Competitors & Differentiators – Europe & ME CB-Type (Schneider, Siemens, ABB) Socomec/ FG Wilson ASCO/ Emerson GE Zenith     IEC Certified as tested for high duty cycles & reliability – as ATS(IEC 60947-6-1, 2005) IEC Rated Frequent (33A) operation. Self-cert 1998. 3rd Party Cert to new 2005 Std + CE Mark by 12/06 IEC Rated Frequent (33A) operation. 3rd party Cert 1998 Std IEC Rated Infrequent (33B) operation Power Continuity under adverse conditions (overloads, fault withstand)     Full 3 cycle SC withstands, 10x Overload switching Upstream CL fuses Req’d Full 3 cycle SC withstands, 10x Overload switching     Genset and Panelbuilder OEM focus – products & services tailored to OEM needs. CAT, Cummins, Kohler/SDMO all GE Zenith Partners

  9. ATS with UPS – Key Advantages • Redundancy • Individual ATS, sized to UPS…versus large CB’s switching multiple UPS • Dedicated emergency wiring all the way from Gen(s) to UPS…versus single-point failure common bus schemes • Selectivity • ATS designed to Withstand fault current vs. trip – permitting downstream devices time to isolate fault

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