introduction to ats scott kolek – ats global product manager 2006 annual power quality meeting
TRANSCRIPT
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Introduction to ATSScott Kolek – ATS Global Product Manager2006 Annual Power Quality Meeting
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20062
G
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.
Primary Source
(typically a Utility
Supply or Utility Bus)(Normally Energized)
Backup Source
(typically a Generator
Supply (Normally
De-Energized)
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20063
ATS...An integral part of the Power Quality Solution
UPS
ATS
TVSS
PSG
Automatic Transfer Switches (ATS)
provide 2 sources of power to life and business critical
loads, including UPS
Power Quality Equipment
Deregulation, Shortage, Limited Infrastructure = Unreliable &
cost up
Dependent on availability and reliability of electrical
energy
99.9% 99.9999Bridge the Gap(8 hours/yr downtime) (1 second/yr downtime)
99.9% 99.9999Bridge the Gap(8 hours/yr downtime) (1 second/yr downtime)
Utility Power “Digital World”
Life Safety Loads
Business Critical Loads
Primary Power Source
Backup Power Source
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20064
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
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20065
StandardTransition
(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
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20066
StandardTransition
(No Center Position)
DelayedTransition
(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
BypassATS
StandardATS
Bypass Transfer Switches: Types
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20067
GE Zenith Range of ATS - OverviewZTX 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
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20068
Key Competitors & Differentiators – Europe & ME ASCO/
EmersonSocomec/FG WilsonGE Zenith
CB-Type (Schneider, Siemens,
ABB)
IEC Certified as tested for high duty cycles & reliability – as ATS (IEC 60947-6-1, 2005)
Power Continuity under adverse conditions (overloads, fault withstand)
Genset and Panelbuilder OEM focus – products & services tailored to OEM needs.
IEC Rated Frequent (33A) operation. Self-cert 1998. 3rd Party
Cert to new 2005 Std + CE Mark by 12/06
Full 3 cycle SC withstands, 10x
Overload switching
Upstream CL fuses
Req’d
IEC Rated Frequent (33A) operation. 3rd
party Cert 1998 Std
IEC Rated Infrequent
(33B) operation
Full 3 cycle SC withstands, 10x
Overload switching
CAT, Cummins, Kohler/SDMO all
GE Zenith Partners
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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 20069
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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Introduction to ATSScott Kolek
Global Annual Power Quality Meeting 200610