The Entergy Phasor System - Pushing PI to New Heights Floyd Galvan, PE 2007 OSIsoft Users Conference Monterey, CA
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The Entergy Phasor System
Pushing PI to New Heights
Floyd Galvan, PE
2007 OSIsoft Users Conference
Monterey, CA
n Entergy Owns and Operates
approximately 30,000 MW of
capacity
n Entergy delivers electricity to
approximately 2.6 million utility
customers across 4 states
n Entergy is the second-largest
nuclear operator in the nation,
operating 12 units
n Entergy is a Fortune 500
company with revenues of more
than $10 billion in 2006
n Entergy is the second cleanest
utility generator among the top
10 generators and was the first
U.S. utility to voluntarily
stabilize greenhouse gas
emissions
The Entergy Phasor System
Gos li nMe tro 13 8 K V Vol tage Prof ile During Ju ne 1 5, 20 05 Sto rm
160000 \\cctapets t005\ENT_GSLNMTRO:ARBVA
49407.059
Volts
\\cctapets t005\ENT_GSLNMTRO:ARBVB
53522.652
140000
Volts
\\cctapets t005\ENT_GSLNMTRO:ARBVC
52983.879
Volts
120000
100000
80000
60000
40000
6/15/2005 6:54:12 PM 17.2 5 m inut es 6/15/2005 7:11:27 PM
Gos lin Metro A Voltage Gos lin Metro B Vo ltage Goslin Metro C Voltage
It started with….
August 14, 2003
Largest Blackout in US History
August 14th 2003 Blackout
“Caused in part by deficiencies by the ByTheNumbers
system that monitors the electric grid, 1 Canadian Province
and a lack of awareness of deteriorating 3 deaths
conditions by the operators who monitor 8 U.S. states
the system.” Joint DOE & FERC Report 12 airports closed
to Congress – Feb 2006 23 cases of looting in Ottawa
250+ power plants
9,266 square miles
61,800 MW of power lost
1.5 mill Cleveland residents
without water
50 million people
$4.510 billion in economic
activity lost
North American Synchro-Phasor
Initiative (NASPI)
Lead by DOE and NERC
n Vision – improve
power system
reliability through
wide-area
measurement,
monitoring and control
(throughout the North
American grid)
n www.phasors.pnl.gov
n Montreal Canada 9/6-7
Entergy Phasor Time-Line
August 2003
Nov 2004
Building the Beta System
n Design Communication Infrastructure
n Within Entergy
n Between Companies in the Eastern Interconnect
n Determine location of PMU on Entergy System
n Vendor Selection for PMU & PDC
n NDA to share Phasor Data
n Get Approvals and Money
n Build a team
n Get Iron in the Ground
n Dec 2004 1st PMU sends data to
TVA Super PDC
n May 2005 Ten PMUs operational
Entergy Phasor Time-Line
August 2003
Nov 2004
Aug 2005Unprecedented Natural Disaster Two Hurricanes: Katrina and Rita Flooding from Breeched Levees lasting many weeks All Generation in SE La was lost
Double Trouble
Summary Katrina Rita
Cat., Landfall, Rest. C4–Aug 29- 42 days C3–Sept 24-21 days
Areas Impacted Ms, La, NO Ar, Ms, La, NO, Tx
Customers Out 1,091 K, 41 % base 800 K, 30%
Tran Line Out 181 341
Subs Out 263 443
Fossil Units Impact 15 14
Nuc Units Impact Waterford 3
Dist Pole Destroyed 17,400 11,500
Resource Deployed 10,200Workers 13,000 Workers
3,500 Support 4.500 Supportn Staff scattered across the US
and Canada
n Working from hotels, friends
homes, and eventually an
apartment and a temporary
office in Houston
n Dealing with home repair,
losses-personal, spiritual, and
financial,
n Eventually we began to
rebuildEntergy Phasor Time-Line
August 2003
Aug 2005
Nov 2004
Dec 2006Entergy
PMU Locations
n 20 Sites are installed
n PMU – ARBITER
1133A, Power
Sentinal; SEL 421
n PDC – OSIsoft PIEntergy PMU Locations
n 500 KV – 10 n Arkansas – 9
n 345 KV – 1 n Louisiana – 5
n 230 KV – 4 n Mississippi – 2
n 138/115 KV – 3 n Texas (NON-ERCOT) – 4
(NON-ERCOT)
n Distribution – 2Entergy Phasor Time-Line
August 2003
Dec 2006
Aug 2007
Aug 2005
Nov 2004Fixing Problems-C37.118
n New Synchro-Phasor
Standard C37.118
n Firmware upgrade on
PMU – for SEL the relay
must be taken out of
service
n Pi Interface for C37.118:
n The process of getting a
C37.118 interface to
market has taken too long
n Still issues with bringing
data in from TVA
n Works only w/ Arbiter &
SEL PMU
n It’s time - C37.118 ServerFixing Problems-PMU
n Arbiter 1133 Power
Sentinel PMU
n 37.118 Firmware
Unstable
n Remote Re-boot (needed)
n Remote Firmware
upgrades (needed)
n Remote Calibration
(needed)
n Don’t stop Firmware
upgrades are in progressFixing Problems- Infrastructure
n Migrate from Corporate
network to private
internal network for
critical data
n New Server
Infrastructure: 5 days of
history to 5 yearsEntergy Phasor Time-Line
August 2003
Aug 2005
Dec 2006
Nov 2004
Aug 2007Entergy Wide-Area Initiatives
n Detection, Prevention
and Mitigation of
Cascading Events –
Prototype
Implementations
n Joint project
Incorporating Phasor
Measurements into
State Estimation
(Phase 2)Entergy Wide-Area Initiatives
n PMU Meter Placement
Study for Monitoring
and Control
n Event Location
Triangulation
n System Security Using
Phase Angle FREQUEN CY WORM
7/11/2007 3:54:30 PM
60 Hz
0.10
Differences 0.08
Desired
0.06
Caution
0.04
Alert
0.02
This chart represents your operating frequency
0.00 domain. Frequency here is represented as a
60 Hz difference from 60 Hz.
0.02
The syst em should be operated wit hin t he desired
range (t he yellow dashed box). Caut ion should be
0.04 noted when frequencies begin to migrat e outside of
the yellow dashed box.
0.06 Frequencies falling in t he alert region (out side of the
red box) should be closely monitered.
0.08
If t he frequency worm begins to scat ter, this
Whi te Dot = Most Re cent Frequency Measurem ent represents potential islanding.
0.10
0.10 0.08 0.06 0.04 0.02 0.00 0.02 0.04 0.06 0.10Regional Visualization
ProcessBook
Display VERDE ProcessBook
Display
Oak Ridge National Labs
Enterprise
Horizons
ProcessBook ProcessBook
Display Display
OSIsoft PIElectric Grid & Energy Infrastructure
Situational Awareness
Major power outages over the past
decade have occurred due to a lack
of wide-area situational
understanding This effort will
assist the
ORNL, in partnership with TVA, is government in
developing a resource for the U.S. managing the
DOE’s Office of Electricity Delivery preparedness for
& Energy Reliability that will enable and response to
real-time status of the electric grid destructive events
and assess inter-dependencies with
critical energy sectors
Assist in coordination of federal
response to natural disasters or
major eventsElectric Grid & Energy Infrastructure
Situational Awareness
v U.S. DOE Office of Electricity
Delivery and Energy
Reliability sponsored effort
v Coordinate federal response
to natural disasters or major
events Kevin Kolevar discusses
DOE's hurricane
v ORNL, in partnership with preparedness efforts with
Red Cavaney of the
TVA, developing realtime American Petroleum
Institute and Bud
Updated August 29, 2005 8:20 a.m. EDT
visualization tool Danenberger (right) of the
Department of the Interior's
Minerals Management
v Initially assess status of Service.
transmission lines in the
SoutheastVERDE Capabilities
Visualizing Energy Resources Dynamically on Earth
n Platform provides wide area
visualization capability
n Flexible system
n Realtime status of transmission lines
n Realtime weather overlays
WideArea Power Grid Situational
n Predictive impact models & Animated Awareness
replay Streaming Analysis Impact Models
n Data analysis
n Energy infrastructure
interdependencies:
n Coal delivery and rail lines
n Refinery and oil wells
n Natural gas pipelines
n Transportation and evacuation routes
n Population impacts LandScan
Realtime Weather OverlaysGosli nMe tro 138 KVVol tage Profile During June 15, 2005 Storm Goslin Metro and GoslinCleveland A,B,C Voltage
160000 \\cctapetst005\ENT_GSLNMTRO:ARBVA
123.4 124 125 139500 140500 141500 ENT_GSLNCVLD:ARBVA
49407.059
Volts 122.631
123.2
\\cctapetst005\ENT_GSLNMTRO:ARBVB Volts
140000
53522.652 ENT_GSLNCVLD:ARBVB
Volts 123
122.962
\\cctapetst005\ENT_GSLNMTRO:ARBVC
52983.879
Volts
122.8
Volts ENT_GSLNCVLD:ARBVC
120000 124.104
122.6 Volts
ENT_GSLNMTRO:ARBVA
122.4 138653.859
100000 Volts
122.2 ENT_GSLNMTRO:ARBVB
139271.515
122 Volts
80000 ENT_GSLNMTRO:ARBVC
121.8 140646.047
Volts
121.6
60000
121.4 121.5 122.5 137000 137500 138500
6/8/2007 7:16:03.621 AM 60.00 minutes 6/8/2007 8:16:03.621 AM
40000
6/15/2005 6:54:12 PM 17.2 5 minutes 6/15/2005 7:11:27 PM
Goslin Metro A Voltage Goslin Metro B Voltage Goslin Metro C Voltage
J un e 1 5, 2 0 0 5 St or m Syst em F re q u e n cy
6 0. 6 \\ ccta pe ts t0 0 5\ EN T_ ED R D MT O V:AR BF
Entergy System Freque ncy 6 0.0 05
\\ ccta pe ts t0 0 5\ EN T_ ED R D SH D N : AR BF
6 0. 4
6 0.0 05
60.06
\\ ccta pe ts t0 0 5\ EN T_ FY P T:AR BF
6 0.0 04
6 0. 2 \\ ccta pe ts t0 0 5\ EN T_ G D GFB XW N :AR B F
6 0.0 04
\\ ccta pe ts t0 0 5\ EN T_ G SL N MTR O :AR BF
60.04 60 6 0.0 05
\\ ccta pe ts t0 0 5\ EN T_ M BL E MF L R :AR B F
6 0.0 05
5 9. 8 \\ ccta pe ts t0 0 5\ EN T_ M BL E SH D N :AR BF
6 0.0 05
\\ ccta pe ts t0 0 5\ EN T_ PT S N :AR B F
6 0.0 04
60.02 5 9. 6
\\ ccta pe ts t0 0 5\ EN T_ R BS L FR KN : AR B F
6 0.0 04
\\ ccta pe ts t0 0 5\ EN T_ WT FDN ML E:AR BF
5 9. 4 6 0.0 04
\\ ccta pe ts t0 0 5\ EN T_ WT FDW LG N : AR BF
6 0.0 04
60 5 9. 2
59
5 8. 8
59.98 6 /1 5 /2 00 5 6 :5 4 :1 2 PM 1 7 .2 5 m in u te s 6/ 15 /20 05 7 :11 :2 7 P M
El D or a d o Mt Olive F re q u e nc y
El D or a d o Sh e rid an F re qu e n cy
F an cy Pt Fre q u e nc y
Gra nd G ulf B a xte r W ils on F re q ue n cy
Go s lin Me tro F re q ue n cy
59.96 Ma b le va le Ma yflo w e r F req u e n cy
Ma b le va le Sh e rid an F re qu e n cy
Pa te rs on F re q ue n cy
R a y B ras w ell F ra n klin F re q u e n cy
Wa te rfo rd N i ne m ile F re q u e n cy
Wa te rfo rd W illo w Gle n F re qu e n cy
59.94
7/27/2007 12:58:21 PM 60.00 minutes 7/27/2007 1:58:21 PM
FREQUENCY WORM
7 /11 /20 07 3:54 :30 PM
60 Hz
0 .10
0 .08
Desired
0 .06
Caution
0 .04
Alert
0 .02
This chart represents your operating frequenc y
0 .00 domain. Frequenc y here is represented as a
60 Hz difference from 60 Hz.
0 .02
The sy st em should be operated wit hin the desired
range (the yellow dashed box). Caution should be
0 .04 noted when frequencies begin to migrate outside of
the yellow dashed box.
0 .06 Frequencies falling in t he alert region (out side of the
red box) should be closely monitered.
0 .08
If t he frequenc y worm begins to scat ter, this
W hi te D ot = Most Re cent Fr equency Measurem ent repres ents potential islanding.
0 .10
0.10 0.08 0.06 0.04 0.02 0.00 0.02 0.04 0.06 0.10You can also read
