Sistema de Control Avanzado y Segregación de Carga

Transcription

Descripción sistema SECA / SEVA
Por medio de un selector
del punto de ajuste, el
operador determina, el valor
actual de recepción o de
entrega de energía.
Los consumidores de la
refinería se dividen,
conforme a su importancia
en consumidores
desconectables y no
desconectables.
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SIEMENS AG 2015 All Rights Reserved
Controles de subsistemas
Análisis básico de los procesos fundamentales de la planta de fuerza.
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Para la segregación de carga se calculan constantemente el consumo
propio y la potencia de reserva de la refinería, así como también la
potencia actual de los consumidores desconectables.
De tal forma, cuando se presentan fallos mayores, el sistema de
segregación de cargas desconectará selectivamente los consumidores
necesarios para compensar las siguientes perturbaciones:
• La caída de presión en el cabezal de vapor de 60 y 19 bar.
• La recepción de más potencia eléctrica de lo autorizado por CFE.
• La caída de la red eléctrica en el modo de funcionamiento es isla de
los turbogeneradores.
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Medidas en caso de falta de potencia eléctrica
1. Siempre que sea necesario, se reducirá la potencia eléctrica que se
entrega a la CFE al valor mínimo que el operador haya ajustado en el
sistema de monitoreo, por lo que en caso de ser necesario se consumirá
energía de CFE.
2. Si la aplicación de la medida anterior no es satisfactoria, la segregación
de carga eléctrica actúa desconectando consumidores eléctricos
siguiendo la prioridad fijada y conforme a los tres modos establecidos.
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El sistema de segregación de vapor (SEVA) se diseño con el fin de la
actuación para la estabilidad del consumo de vapor, este sistema
necesita(ria) instrumentación y elementos finales de control para controlar
el vapor a las plantas de proceso (en el limite de batería) que son:
• Medición de temperatura de vapor
• Medición de presión de vapor
• Medición de flujo de vapor
• Válvulas de corte de vapor
Se planeo en la estrategia de control una operación similar al del SECA
(adecuado a un proceso más lento). Lamentablemente no pudo
implementarse en todas y cada una de las refinerías, por lo que la
actuación de sistema SEVA se restringió al control de generación de vapor
general y al de control de las reductoras de presión.
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Concepto SCOA / SECA: Configuración Básica
Pantallas
Gigantes
T3000 IO´s
Envío de
Información
Ext. Unit
Clientes
ligeros
SE 1
Apllication Highway
T3000 IO´s
FT SRV
FT SRV
FT SRV
PU
PU
PU
PU
Automation Highway
T3000
Control de
Caldera y
Quemadores
T3000
M
s
T3000
T3000
T30000
Control
Eq. Aux.
M
T3000
Control
Maestro
de Carga
y Vapor
TELEPERM XP
TELEPERM XP
SECA
SEVA
M
s
.
.
.
.
.
.
T3000 IO´s
s
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SE 2
MIG SRV
©
SE N
I.VI Ejemplos
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Ejemplo de controlador PID
Ejemplo de controlador continuo en tecnología Siemens
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Ejemplo pantalla agua de alimentación
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Ejemplo esquema aire y gases
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Ejemplo combustibles y control de caldera
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Ejemplo control maestro de carga
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Dinámica sistemas de generación eléctrica
Control Maestro Eléctrico, cálculo del valor de ajuste o consigna de
carga hacia los turbogeneradores
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Dinámica sistemas de generación de vapor
Control Maestro de Vapor parte. Ejemplo Salina Cruz en sistema
T3000
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Arquitectura actual sistema SCOA con SPPA-T3000
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Arquitectura actual sistema SCOA con SPPA-T3000
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CT Lerdo, Durango, México Marzo 2010
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VII Beneficios
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El nuevo SCOA / SECA basado en SPPA-T3000
…
De: Múltiples sistemas y plataformas
De: Entrenamiento extensivo al usuario
A :Una única plataforma con
multiples vistas de la planta.
A: Un sistema fácil operado por
ventanas.
De: Sistema de toma de decisión que
A: Un sistema inteligente con toma de
necesita mucho tiempo
decisiones en tiempo real.
De: Impactos de cambio de lógica
A: Simulación de cambios antes de la
descarga y análisis regresivo.
conocidos después de la descarga
De: Un sistema analógico /digital
A: Sistema integrado basado en Web
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Beneficios
Alta flexibilidad para cubrir la demanda de energia
eléctrica y vapor de la Refinería
Capacidad suficiente para cubrir eventos de fallas
y mantenimientos de equipos principales
Eliminación de altos costos de importación de
energía eléctrica
Incremento de disponibilidad de las instalaciones
productivas
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VIII Gestión de
plantas de energía
(Plant & Fleet
Management)
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Beneficios
Plant Management System
Plant Management covers the core
Enterprise Asset Management functions.
All maintenance measures as well as
restructuring or new building projects are
reliably planned, tracked & documented
within one system.
Process Optimization
Diagnostics
Simulation
Application &
Automation Server
Operating System &
Applications
Electrical
Components
Excitation Systems
Field Components
Benefits
Increased productivity by actual
information on the plant and operation
Increased reliability, availability and
safety of the plant
Optimizes usage from consumable
spares
Continuous improvement of the
quality and safety of the work
due to maintenance strategies
Interfaces to all needed applications
(e.g. PLC, document management or
commercial).
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State of the art Fleet Management
F l e e t Management
Enterprise Resource Planning
Plant
Management
SPPA-M3000
Remote
Diagnostic
Center
Operation
Management
Operation
Management
Just what you need
Operation
Management
Data Interface
Field
SPPA-T3000
Automation
•Shift management: planning, logging
& hand over
Application &
Automation
Server
Operating System
&
Applications
Electrical
Components
•Operational safety Isolation &
Permits EHS
Excitation
Systems
•Operator Rounds
Plant Management
Field
Components
•Effective shift planning
•Maintenance strategies for each
single devise possible
•Distribution of shift instructions
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Today we provide the 3rd generation of plant
management SW…
SPPA M3000 – Plant Management, 20 years
Used in Siemens operated Power Plants…
EOL
2013
EOL
EOL
2009
1999
1995
BFS95
INGRES 4GL
VT Terminal
BFS++
WebBFS
Mobile Field
Assistance
…and also in Siemens Industrial Plants
and Airports Solutions
Client- Server
Multi-tenant
Web Application
Used in 100+ power plants with 52+ GW
…developed for power generation – applicable across industries
*EOL= End of Life
(no new features, limited or no bug fixes of operating system Windows or application)
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Work Management - Planning the work
Plant Management
•
Work incl. resource planning
•
Work step progression plan
•
•
•
Due date calculation
for maintenance work
by intervals
Time tracking spent on a
work order
Plant Management
Base lining against what work
order of the same time have
taken
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Work Management - core Work Order System with
advanced Notification system
Plant Management
Work orders are created out of:
• Problem Reporting
• Preventive maintenance plan
• Time or threshold triggered
event
• Planned Shutdown
work order
Plant Management
Plant Management
Monitoring of work progress
• Budget, efforts and costs
• Problem Cause
Resolution
• History of asset (“Warranty”)
Plant Management
Push-Notification of
• Required MRO* part received
at dock
• Ready to start work order
*MRO: maintenance repair overhaul
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Work Management
Ensure Occupational & Operational Safety
•
•
Planning and implementing
tag-outs / lock-outs incl. safety
precautions
No Work start before required
measures are implemented
•
•
Human Readable RFID Tags
Plant Management
Auditable documentation
of all measures
Consideration aspects of plant
safety (e.g. function tests)
•
Personnel safety first
(e.g. confined space entry)
•
Environmental safety
(e.g. handling of hazardous and noxious
substances / materials)
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Operations Management - integrated Shift
Management
Handheld for Operator Rounds
•
Effective shift planning by
integration of handheld
•
•
•
Consistent logging of
shift events
Logging of process data
Creation of fault notification
•
Distribution of shift instructions
•
Triggering of routine shift tasks
and execution control
•
Plant Management
Support of Operator Rounds
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Accounting of work & Operations Management
How they affect the bottom line
Costs and Expenses are
Plant Management
•
rolled up on each work order
for overview purposes of what
has happened with the given
situation
• reflected in total on the
equipment along with the
downtime
• broken down and combined
on the given accounts which
are actively compared against
the planned annual budget
items
• exportable to Excel and/or
displayable in 3D graphics
online
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Maintenance Management - Plant Management enables
the correct maintenance approach
Plant Management
•
•
Support for all essential
maintenance strategies
Determination and documentation
of the optimal maintenance
strategy for
each relevant plant item
Traditional strategies are:
• Break down maintenance
• Cyclical maintenance
(counter & time based)
But the real savings are in:
• Condition Based Maintenance
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Material & Service Management tied to the Supply Chain Management
Plant Management
Requisition
• Purchase order
• Receipt
• Dock Receipt
• Service Receipt
• Invoice
•
Plant Management
Plant Management
Plant Management
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Inventory Management - making sure the right spares
are on hand with minimum inventory investment
• Easy integration of fully
inventory management system
or use existing state of the art
•
Handheld routing to the closet
available part
Managing even multiple stores
•
Setting different reorder
points per store
•
Automatic reordering of parts
•
Ensuring the accuracy of the
on hand quantity through
cycle count
•
Ensuring optimum inventory
levels through ABC Analysis
Plant Management
Siemens PG IE S
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Asset Management - Asset model is the basis
for Plant Management
Plant Management
Structure hierarchical and linear
•
•
Location
Rotating spares
• Import/Export to
Design/Engineering systems
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©
Asset Management - getting the most of the assets that directly
affect the companies bottom line
•
Guiding the repair or replace
decision through tracking:
• The costs of the equipment
on yearly and life basis
• The downtime of a given
equipment
• Integrated condition based
monitoring
• Asset health situation
• Asset condition in relation
to its environment
• Optimizing the ROI of the asset in
the given system
Plant Management
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Asset Management - Document Management enables quick
access to relevant information
Plant Management
•
Registration and management
of all document types
•
Comprehensive version
control
•
•
Access to documents
directly from the current
application
Format-independent display
without the need of the
original application
•
Fuzzy full-text search and
key-word search
Siemens PG IE S
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Dash-Boarding - Online display of key information
No programming skills needed at all
• Near Real Time Data Display
• Highlight bottle necks and out
of spec performance situations
• Display Energy Levels (bunker,
wind speed, reservoir level,
temperatures etc)
Display Anything Anywhere
Plant Management
• Any screen can be configured to
display one or more Indicators
• Flexible Indicator creation through
SQL level configuration tool
• Indicator can be scheduled and/or
executed manually
• Scheduled Indicators save execution
value in time series database table
so trend analysis can easily be done
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Reporting - Hard Copy
easy report customization in addition to base reports
With ALL this technology.. We still CAN print a piece of paper
•
Native Report writer included
(no additional costs)
• Standard reports included
• Drag and drop formatting
• Third party reporting tool under
consideration as an alternative
option
Examples of standard reports:
• Past Due PM report
• Past Due Corrective Work Orders
• Work Order List by Craft/Supervisor
• Work Order List by Labor Resource
• Work Order Weekly Schedule
• Failure Summary by PLANT ITEM/EQUIPMENT/
LOCATION
• Failure Incident Details by PLANT
ITEM/EQUIPMENT/LOCATION
• Downtime Summary by PLANT
• Maintenance Cost/Cost Roll-up by PLANT
• Location Hierarchy
• Mean Time Between Failures and Mean
Time to Repair for Equipment
• Equipment Move History
• Extended Line Item (by Storeroom)
• Pick List for upcoming scheduled Work Orders
• ABC Analysis
• EOQ Analysis
• ROP Analysis
• Inventory Cycle Count
• List of Expiring Lots
• Reorder Report
• Item Transaction History
• ……
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Plant Management - scalable architecture
•
Application Server.
Provides the Graphics
and business layer of
the application.
Depending on site size
can also act as the
interface server
•
ile
b
Mo rver
Se
ce
i
f
f
O
Database Server.
optimized for the storing
and retrieval of the data
that the Application
Server needs to fulfill
the requests
System ensures scalabilty.
By allowing one or more
servers to act in as a
singular fashion to the
outside world
ion
t
ca r
i
l
p
ve
Ap Ser
k
or
w
et
N
TS
M
U
S
M
S
e
as
B
ta er
Da erv
S
Siemens PG IE S
Siemens SCOA-SECA
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Plant Management - tightly integrated
into the shop floor
•
Embedded DCS connectors
• Templates to make signal
inputs actionable outside the
control room
• Foundation of condition based
activities
Plant Management
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Plant Management - makes things happen based
on the signals
Plant Management
Easy to generate new reports
without any programming skills
• Signals
(analogue, digital, virtual)
• are stored on the plant item.
The delta reading then is
added to the installed
equipment’s meter.
• readings can be inherited to
plant items that are in the
structure and have no meters
attached
• can directly convert a work
plan into a work order.
• values can be written to the
shift log
• values can be displayed in the
dashboard
Plant Management
•
Plant Management
Plant Management
Siemens PG IE S
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Plant Management – short list of representative references
of Siemens Power Plants worldwide
Pont-sur-Sambre
France 2008
412 MW CCPP
Berrouaghia
Algeria 2005
520 MW SCCP
Rudeshur
Iran 2005
816 SCCP
Severn
U.K. 2009
800 MW CCPP
Arrubal
Spain 2003
800 MW
CCPP
Tahaddart
Morocco 2003
384 MW CCPP
Kuo Kuang
Taiwan 2003
4580 MW CCPP
Philippines 1998
1000 MW CCPP Santa Rita,
500 MW CCPP San Lorenzo
Midelec
Egypt 2000
480 MW SCPP
Sugen
India 2006
480 MW CCPP
Muara Tawar
Indonesia 2004
858 MW SCPP
Siemens PG IE S
Siemens SCOA-SECA
©
•
•
•
•
Published by and Copyright 2015:
Siemens AG
Energy Sector
Fossil Power Generation
Instrumentation, Controls & Electrical
Siemens México S.A. de D.V.
Ing. Mauricio González Mercado
Tel: 52 55 5328 5527
Mobile: 52 1 55 4484 4317
www.siemens.com
•
Subject to change without prior notice.
•
The information in this document contains general descriptions of
the technical options available which do not always have to be
present in individual cases. The required features should therefore
be specified
in each individual case at the time of closing the contract.
•
SPPA
•
E F IE
•
AL: N ECCN: N
•
•
•
•
This document contains forward-looking statements and information – that is, statements related to future, not past, events.
These statements may be identified either orally or in writing by words as “expects”, “anticipates”, “intends”, “plans”,
“believes”, “seeks”, “estimates”, “will” or words of similar meaning. Such statements are based on our current expectations
and certain assumptions, and are, therefore, subject to certain risks and uncertainties. A variety of factors, many of which are
beyond Siemens’ control, affect its operations, performance, business strategy and results and could cause the actual results,
performance or achievements of Siemens worldwide to be materially different from any future results, performance or
achievements that may be expressed or implied by such forward-looking statements. For us, particular uncertainties arise,
among others, from changes in general economic and business conditions, changes in currency exchange rates and interest
rates, introduction of competing products or technologies by other companies, lack of acceptance of new products or services
by customers targeted by Siemens worldwide, changes in business strategy and various other factors. More detailed
information about certain of these factors is contained in Siemens’ filings with the SEC, which are available on the Siemens
website, www.siemens.com and on the SEC’s website, www.sec.gov. Should one or more of these risks or uncertainties
materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described in the
relevant forward-looking statement as anticipated, believed, estimated, expected, intended, planned or projected. Siemens
does not intend or assume any obligation to update or revise these forward-looking statements in light of developments which
differ from those anticipated.
Trademarks mentioned in this document are the property of Siemens AG, it's affiliates or their respective owners.
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©

Sistema de Control Avanzado y Segregación de Carga

Transcription

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