-
SEL powerMAX for offShorE VESSELS
Advanced Generation Control
Communications and System Integration
Automatic Load Shedding
Total System Awareness
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2SEL powerMAX Power Management, Protection, and Control
System
The SEL powerMAX Power Management and Control System protects
against blackouts with advanced technology that
revolutionizes protection and control for islanded power
systems. This closed-loop system provides comprehensive
generator protection and power system management, including
harmonic analysis, advanced system visualization,
and high-speed protection using synchrophasors. powerMAX
contains reliable, proven SEL hardware devices, IEC 61131
programming, and industry-standard communications protocols. SEL
powerMAX technology is uniquely qualified for
onboard power plants used by offshore platforms and ocean-going
vessels, including floating production storage
and offloading vessels (FPSOs) and dynamic positioning vessels.
SEL offers unmatched local and worldwide technical
support and a ten-year product warranty.
Dont jeopardize your revenue stream with anything less than
SELwe are the power experts.
Vessels that use dynamic positioning (DP) rely on their power
plant to maintain safe operations as well as to maintain the
revenue stream. Also, large DP vessels are designed to spend more
than 99 percent of their life at sea and, thus, are typically built
with minimal capability to anchor the vessel. Even during periodic
service, these ships usually remain on DP. For all of these
reasons, power plant reliability is critical. Historically, power
plant outages have been the single largest cause of revenue loss on
DP vessels involved in the energy industry, representing about 40
percent of all failures.
I am very impressed with SELs technology and their ability to
provide comprehensive generator protection and power system
management at each generator as well as from a supervisory level. I
do not know of any other company that will warranty their products
for ten years. During 28 years working on more than 30 DP power
plants with 25 owners and every major power plant supplier, SELs
system design is the most comprehensive, robust, and reliable
protection philosophy and equipment that I have seen, particularly
with respect to elimination of common-mode faults, which enables
closed bus-tie operation.
Lew Weingarth, BSEETechnical Chairman Marine Technology Society
DP Conference
Download the technical paper, Power Management Systems for
Offshore Vessels, at www.selinc.com/ogp.
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3Total Power Management With Complete Protection and Control
SEL powerMAX is designed to maximize generator performance
and
protect against blackouts with proactive safeguards against
excess
or reverse power, reactive power, loss of excitation,
current/voltage
imbalance, over- and undervoltage, and frequency.
powerMAX is a complete power management system, designed to
meet
your specific protection and control requirements, whether the
project
is an overhaul to an existing power plant or a totally new
vessel. The
system provides generator running order selection, blackout
start and
recover, and diesel engine control. powerMAX can be interfaced
with
existing systems and equipment, such as distributed control
systems
(DCSs), programmable logic controllers (PLCs), relays,
governors,
and exciters.
Protect Against Blackouts. Mitigate problems before you
experience a
blackout with real-time power system analysis and proactive
generation
protection and control.
Enhance Reliability With a Robust, Multifunctional System.
Perform protection, control, automation, and management
functions
with the capability of integrating with existing DCS
systems.
Achieve Comprehensive System Awareness. Reduce analysis
time through graphical user interfaces, automatic waveform
capture
collection, report analysis software, and report generation
tools.
Optimize Maintenance Schedules. Base preventive maintenance
on actual performance statistics rather than on periodic
time
schedules. Detect the earliest signs of failure using trended
generator
and motor operating statistics, instantaneous quantities,
and
harmonic components.
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4Advanced Generation Control
powerMAX generation control features maximize generator
performance
and system stability using advanced power and voltage control at
both
local and supervisory levels. This is done with highly accurate,
real-time
acquisition of phasor measurements, or synchrophasors, for
critically
important power system data.
power control features effectively alleviate common-mode power
plant
failures that lead to blackouts and regulate the MW power output
of all
system generators.
Generator voltage control features regulate the reactive power
output
of each generator through MVAR control and system voltage
regulation.
If there is a faulty exciter, powerMAX instantly singles out the
unreliable
unit and takes immediate action with alarms and
intervention.
Closed-Loop Generation Control
Precisely manage your onboard power plant, eliminating
common-mode
system faults such as governor faults, exciter faults, and other
faults
that affect the overall power system.
Mitigate voltage-induced blackouts using voltage and MVAR
control.
SEL-3378
Control andStatus
3
3
3
3
3
3
3
3 Generator LocalProtection Block
SystemProtection
Block
GPS Satellite
HMI
POWERMAX
Satellite Clock
Real-Time AutomationController (RTAC)
SynchrophasorVector Processor (SVP)
13.8 kV Bus A 13.8 kV Bus BTie Breaker
Generator Protection Relays
Existing and Other HMIs and Controls
G1 G2 G3 G4
Fiber Communications MIRRORED BITS and/or IEC 61850
Fiber Communications IEEE C37.118
SEL-3354
SEL-2407
SEL-3530
SEL-700G SEL-700G SEL-700G SEL-700G
Control andStatus
Control andStatus
Control andStatus
Optimally control all voltage and MVARcontrolling components in
your
power system to maximize voltage stability margins.
With powerMAX, full visibility of the system is provided with
the ability to
adjust set points and view alarms and generator MW and MVAR
outputs.
Reactive capability curves provide instant feedback on how
each
generator is performing in relation to its dynamic
parameters.
Simplified powerMAX Block Diagram
powerMAX Automatic
Generation and Control
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5Line Trip
System Separation
Line Trip and Generation Drop
Seconds
MW
Amplitude = 42.02Damping Ratio = 3.22%Frequency = 0.232 Hz
Amplitude = 16.74Damping Ratio = 0.76%Frequency = 0.258 Hz
Amplitude = 32.71Damping Ratio = 8.9%Frequency = 0.263 Hz
SEL-3378
300 400 500100 2000
1150
1350
1550
1750
1400
1500
1600
1525
1545
1565
1500t
MW
MW
MW
t t
1550
1600
Negative Damping RatioDamping Ratio < 10% Damping Ratio <
3%
SEL-700G SEL-700G
To provide comprehensive protection and management at both the
individual generator level and the supervisory level,
ultra-high-speed communications are required between the local and
supervisory components.
powerMAX uses SEL Mirrored Bits communications or IEC 61850
GOOSE messaging over fiber-optic cables to transmit critical
control commands every power cycle. For redundancy, both protocols
can be used. Additionally, powerMAX can provide a secure
communications gateway via standard protocols such as Modbus, DNP3,
and others.
SEL synchrophasor technology provides real-time measurement of
electrical quantities. With SELs utility-hardened SEL-3378
Synchrophasor Vector Processor, powerMAX can collect synchronous
phasor measurements and compare, measure, and process real-time
electrical quantities such as voltage, speed, MW, and MVAR. Using
the C37.118-2005 protocol, microsecond GPS time-aligned
measurements are transmitted between generators and system controls
to provide highly advanced, reliable system protection and
management.
SynchrophasorsSynchronized phasor measurements (synchrophasors)
provide a real-time measurement of electrical quantities from
across a power system. These measurements can be used for control
and analysis of the power system.
SEL is a global leader in synchrophasor technology. Advanced SEL
rugged synchrophasor vector processors and protective relays,
coordinated with microsecond-accurate GPS clocks, are capable of
transmitting and receiving synchronous phasor measurements in real
time.
Ideal Time-Domain Waveforms
SELs synchrophasor technology establishes a common reference
waveform in every SEL device. This aligns the devices to the
same
standard reference. With a common reference for all locations,
it
is possible to compare voltages and currents from anywhere
on
a system.
80
40
0
40
800 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018
0.02
Vb (t)Va (t)
Vref (t)
Time (seconds)
60
powerMAX phasor measurement of multiple generators.
Communications and System Integration
With synchrophasors, powerMAX becomes a complete closed-loop
system with the ability to monitor and control at unprecedented
accuracy and speed. This is advantageous for islanded power plants
found on offshore platforms, dynamic positioning vessels, and other
ocean-going vessels with multiple medium-voltage generators. SEL
synchrophasor technology allows you to:
Protect against blackouts with automatic system correction
and
advanced warnings
Perform modal analysis to calculate resonance and
oscillation
frequencies for enhanced generator and power system
protection
Provide comprehensive, managed power system startup
Improve power system reliability by operating within
measured
stability limits
Synchrophasor Vector Processor (SVP) Modal Analysis
Unstable power system oscillations can cause blackouts. With
SELs
modal analysis tools, it is possible to calculate the resonance
and
oscillation frequencies on a continuous basis. This critical
information
can then be used to make necessary adjustments to the
generator
protection scheme.
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6Automatic Load Shedding
powerMAX is a contingency-based system that continuously
calculates
precise load-shedding instructions.
To maintain overall system integrity and to protect assets,
powerMAX
induces fault isolation and generator islanding. When a
contingency
arises, such as insufficient generation, powerMAX can respond in
less
than one power cycle.
Because the powerMAX system is always communicating with
every
individual load and every generator, it knows exactly what to do
when
a disturbance occurs. All sheddable loads are predetermined for
every
possible power system contingency and are shed only when
that
particular contingency arises.
Load Priority Table
SELs flexible, high-speed load-shedding system continuously
calculates
the amount of load neces-
sary to shed for every
possible supply loss. Using
the load priority table, the
operator is able to assign
the priorities to the shed-
dable loads for different
contingencies.
Source Contingency Summary
With proper security clearance, the operator has the ability to
set the
incremental reserve
margin of each generator,
which represents the
extra generation available
should a contingency
occur. This directly
impacts the amount of
load that must be shed.
U.S. Navy Amphibious Assault Warship, USS Makin Island (LHD-8)
dry dock starting to flood, September 22, 2006.
Image provided by Commander, Naval Surface Force, U.S. Pacific
Fleet
USS Makin Island
Download the technical paper, Commercial Protection Practices
Applied to Naval Power Systems: A Case Study, at
www.selinc.com/ogp.
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7Total System Awareness
PSV44PSV04PSV03PSV02PSV01
-100
0
100
-10
0
10
48.50 48.55 48.60 48.65 48.70 48.75 48.80 48.85 48.90 48.95
49.00
IA(A
) IB(
A) IC
(A)
VA(kV
) VB(
kV) V
C(kV
)Di
gitals
Event Time (Sec) 11:57
IA(A) IB(A) IC(A) VA(kV) VB(kV) VC(kV)
Event reporting with SEL acseLerator Software.
Marathon Oil
Before SEL: The existing hardware was all pure analog devices
with no historical data-capture capabilities, so pinning down
problems was really a series of educated guesses.
With SEL: Finally having legitimate data collection and
reporting lets us focus on smart fixes. With just a handful of
people to support power systems throughout the company . . . having
the ability to remotely manage devices is a tremendous
advantage.
Generator PQ trend reporting with SEL acseLerator Software.
powerMAX reduces analysis time with built-in tools and
comprehensive
self-diagnostics. All relays and protection functions are
self-monitoring
and record any system disturbance. Events are automatically
archived
for detailed analysis.
The human machine interface (HMI) continuously displays the
operating
parameters on custom screens with complete alarm details,
allowing
operators to optimize maintenance schedules and detect early
signs of
failure.
reporting tools can be used in a primary or secondary capacity
to
the distributed control system (DCS) by providing additional
system
analysis and self-diagnostic tools.
Quickly and Easily Analyze Event Reports
With microsecond precision, powerMAX retrieves sequence of
events
(SOE) records from all relays. In addition, SEL acSELerator
Report Server
Software retrieves event report oscillography from each relay.
Based on
the relay settings, the event report can contain analog inputs,
control
outputs, digital inputs, and relay logic variables that can be
used for
analysis of any system operation.
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8Exa
mp
le O
ffsho
re P
latfo
rm O
ne-L
ine
Dia
gra
m U
sing
SEL
Pro
duc
ts
SEL-3530
MTM
Schem
e
52-T
NO
480 V Bu
s 7
480 V Bu
s 8
Plan
t Loa
dsPlan
t Loa
ds
MCC
3
52-M
1L52
-M2L
(3)
(3)
(3)
(3)
(3)
(1)
(1)
(1)
SEL-787
SEL-751A
SEL-751A
MM
MM
MCC
4
MM
MM
10 A, C
ont.
10 A, C
ont.
Low-Voltage
Switc
hboa
rd
SEL-751A
SEL-2100
SEL-2814
SEL-2100
SEL-2814
SEL-2814
SEL-2814
MTM
Sch
eme
52-T
NO
4.16 kV Bu
s 5/MCC
14.16 kV Bu
s 6/MCC
2
FBT Sc
heme
52-M
552
-M6
(3)
(3)
(3)
(3)
(3)
(1)
(1)
(1)
SEL-787
M
M
SEL-2600D
L SEL-751A
SEL-2100
SEL-751A
SEL-710
SEL-710
SEL-351S
SEL-351S
MM
M
L
SEL-751A
SEL-751A
SEL-710
SEL-710
SEL-2600D
10 A, C
ont.
10 A, C
ont.
Med
ium-Voltage
Switc
hboa
rd
SEL-351S
SEL-2505
SEL-787
SEL-2814
SEL-2814
SEL-2814
SEL-2800
SEL-2800
SEL-2814
SEL-2814
FBT Sche
me
SEL-2100 SEL-2814
SEL-2814
SEL-2814
SEL-2505
400 A
400 A
Plan
t Loa
dPlan
t Loa
d
52-TM
NO
13.8 kV Bu
s 1
13.8 kV Bu
s 2
(3)
(3)
52-F11
52-F24
+
SEL-2664
G2
SEL-700G
SEL-2886
SEL-2814
SEL-2800
SEL-2600A
SEL-487B
SEL-487B
+
G3
SEL-700GSEL-2886
SEL-2814
SEL-2800
SEL-2664
SEL-2600A
52-F14
SEL-311L
52-F12
SEL-311L
52-F21
SEL-751A
52-F23
52-F22
M
SEL-2600D
SEL-2100
SEL-2100
10 A, C
ont.
10 A, C
ont.
M
SEL-2600D
52-F13
Main Med
ium-Voltage
Switc
hboa
rd
SEL-787
SEL-2814
SEL-2814
SEL-2814
SEL-2814
SEL-387L
SEL-387L
SEL-2886
SEL-587Z
SEL-587Z
SEL-3530
SEL-2886
Commun
ications Typ
e
Diffe
rential C
ommun
ications Via Fiber
MIRRO
RED B
ITS Com
mun
ications Via Fiber
MIRRO
RED B
ITS C
ommun
ications Via Wire
Activ
e Arc-Flash Protectio
n
52-F11
+
SEL-2664
G1
SEL-700G
SEL-2886
SEL-2814
SEL-2800
SEL-2600A
10 A, C
ont.
52-F24
+
G4
SEL-700G
SEL-2814
SEL-2800
SEL-2664
SEL-2600A
10 A, C
ont.
RTAC
RTAC
SEL-751A
SEL-710
SEL-710
SEL-751A
SEL-751A
-
9SEL-3530
MTM
Schem
e
52-T
NO
480 V Bu
s 7
480 V Bu
s 8
Plan
t Loa
dsPlan
t Loa
ds
MCC
3
52-M
1L52
-M2L
(3)
(3)
(3)
(3)
(3)
(1)
(1)
(1)
SEL-787
SEL-751A
SEL-751A
MM
MM
MCC
4
MM
MM
10 A, C
ont.
10 A, C
ont.
Low-Voltage
Switc
hboa
rd
SEL-751A
SEL-2100
SEL-2814
SEL-2100
SEL-2814
SEL-2814
SEL-2814
MTM
Sch
eme
52-T
NO
4.16 kV Bu
s 5/MCC
14.16 kV Bu
s 6/MCC
2
FBT Sc
heme
52-M
552
-M6
(3)
(3)
(3)
(3)
(3)
(1)
(1)
(1)
SEL-787
M
M
SEL-2600D
L SEL-751A
SEL-2100
SEL-751A
SEL-710
SEL-710
SEL-351S
SEL-351S
MM
M
L
SEL-751A
SEL-751A
SEL-710
SEL-710
SEL-2600D
10 A, C
ont.
10 A, C
ont.
Med
ium-Voltage
Switc
hboa
rd
SEL-351S
SEL-2505
SEL-787
SEL-2814
SEL-2814
SEL-2814
SEL-2800
SEL-2800
SEL-2814
SEL-2814
FBT Sche
me
SEL-2100 SEL-2814
SEL-2814
SEL-2814
SEL-2505
400 A
400 A
Plan
t Loa
dPlan
t Loa
d
52-TM
NO
13.8 kV Bu
s 1
13.8 kV Bu
s 2
(3)
(3)
52-F11
52-F24
+
SEL-2664
G2
SEL-700G
SEL-2886
SEL-2814
SEL-2800
SEL-2600A
SEL-487B
SEL-487B
+
G3
SEL-700GSEL-2886
SEL-2814
SEL-2800
SEL-2664
SEL-2600A
52-F14
SEL-311L
52-F12
SEL-311L
52-F21
SEL-751A
52-F23
52-F22
M
SEL-2600D
SEL-2100
SEL-2100
10 A, C
ont.
10 A, C
ont.
M
SEL-2600D
52-F13
Main Med
ium-Voltage
Switc
hboa
rd
SEL-787
SEL-2814
SEL-2814
SEL-2814
SEL-2814
SEL-387L
SEL-387L
SEL-2886
SEL-587Z
SEL-587Z
SEL-3530
SEL-2886
Commun
ications Typ
e
Diffe
rential C
ommun
ications Via Fiber
MIRRO
RED B
ITS Com
mun
ications Via Fiber
MIRRO
RED B
ITS C
ommun
ications Via Wire
Activ
e Arc-Flash Protectio
n
52-F11
+
SEL-2664
G1
SEL-700G
SEL-2886
SEL-2814
SEL-2800
SEL-2600A
10 A, C
ont.
52-F24
+
G4
SEL-700G
SEL-2814
SEL-2800
SEL-2664
SEL-2600A
10 A, C
ont.
RTAC
RTAC
SEL-751A
SEL-710
SEL-710
SEL-751A
SEL-751A
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10
Protection
SEL-700G Generator Protection Relay
Achieve comprehensive primary and
backup generator protection.
SEL-351S Protection System
Simplify feeder protection and
control.
SEL-311L Line Current
Differential System
Apply for distance protection,
reclosing, monitoring, and
control.
SEL-487B Bus Differential
and Breaker Failure Relay
Install for busbar and breaker
failure protection, automation,
and control in applications with
up to six terminals per relay.
SEL-710 Motor Protection Relay
Dynamically calculate slip. This premiere
motor protection scheme allows maximum
start times. Best-in-class thermal
modeling provides advanced protection
beyond industry standards.
SEL-751A Feeder Protection
Relay With Arc-Flash Detection
Get the right solution for industrial
feeder protection with flexible I/O,
advanced communications, and easy
mounting options. Protect personnel
and minimize equipment damage with
the industrys fastest arc-flash detec-
tion system built into the SEL-751A.
SEL-387L Line Current
Differential Relay
Install for economical, easy-to-
apply line protection with zero
settings.
SEL-749M Motor Relay
Protect three-phase motors, including
two-speed and reduced-voltage
start motors.
SEL Power Management System Components
Maximize system uptime and mitigate problems before you
experience an outage with proactive, high-speed load shedding,
generation control,
voltage control, and load management. SEL power management
products provide total system awareness through graphical user
interfaces,
automatic waveform capture, report analysis software, and report
generation tools. For more product options, visit
www.selinc.com/ogp.
SEL-451 Protection, Automation,
and Control System
Combine directional overcurrent
protection with complete control
for a two-breaker bay.
SEL
SEL
SEL
SEL
SEL
SEL
SEL
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11
SEL has received Product Type Approval from the American Bureau
of Shipping (ABS). Over 35 SEL products have been Design Assessed
to the ABS Rules and found suitable for use on vessels, Mobile
Offshore Drilling Units (MODUs), and facilities certifi ed by ABS.
These include ocean oil platforms, drilling ships, oil tankers, and
other ocean vessels.
SEL-2100 Logic Processor
Interconnect up to 15 devices.
Add low-cost, high-speed bus
protection, automated bus
sectionalizing, breaker failure
protection, and multiple terminal
line protection.
SEL-2664 Field Ground Module
Minimize generator damage with
field ground monitoring.
SEL-2505 Remote I/O Module
Reduce operating time, add self-
wiring, and simplify wiring for
auxiliary inputs and outputs.
SEL-2600 RTD Module
Acquire and transmit resistance
temperature detector (RTD) thermal
data from transformers, motors,
generators, and other system
apparatus.
SEL-2440 DPAC Discrete
Programmable Automation
Controller
Achieve utility-grade I/O with
powerful processing, flexible
communications, and micro-
second timing.
SEL-2411 Programmable
Automation Controller
Use for automation control,
SCADA, station integration,
remote monitoring, and plant
control systems.
SEL-3354 Embedded
Automation Computing
Platform
Built to withstand harsh envi-
ronments with over ten times
the MTBF of typical industrial
computers. SEL
SEL-3530 Real-Time Auto-
mation Controller (RTAC)
Integrate station control,
reporting, and logging with
one reliable system.
SEL
SEL-3378 Synchrophasor
Vector Processor
Implement real-time, wide-area
monitoring, protection, automa-
tion, and control schemes.
ACSELerATor TeAM Software
Use TeaM Software to apply predictive
maintenance practices for electrical
infrastructure.
SEL-2407 Satellite-Synchronized Clock
Apply with relays, sequential events recorders,
communications processors, and other devices
for precise alignment of time-sensitive
information.
Computing, Automation, and Integration
Software and Accessories
SEL
SEL
SEL Synchrophasor Software
Synchrowave console, server, and archiver
software are an important part of a
complete synchrophasor system.
-
www.selinc.com/ogp [email protected] +1.509.332.1890
PF00205 20101213 2010 by Schweitzer Engineering Laboratories,
Inc.
Services and Support
SEL engineer assists a customer on an offshore platform in the
Gulf of Mexico.
Engineering Services
SELs team of engineers is ready to assist you in the following
areas:
Arc-flash hazard studies
Engineering studies
Security studies
Power management system design
Custom panel solutions
Power system studies and relay settings
Protection and automation scheme design
Integration system design, testing, and settings
HMI design and programming
Real Time Digital Simulator (RTDS)
SELs RTDS allows complete dynamic modeling at the factory,
signifi-
cantly reducing on-site installation and commissioning
costs.
Closed-loop control and protection system testing
Rotating and static-load modeling
System and governor response time testing
Load flow, short circuit, motor start, and governor and exciter
operation
testing and simulation
Regional Technical Support
SEL provides personalized, regional technical support to our
customers
in more than 130 countries from 75 regional technical service
centers
worldwide.
