LMZ Turbines: Increased availability
due to a comprehensive modernization
solution
Turbine Controls
Instrumentation, Controls & Electrical
SPPA-R3000 Turbine Controls
is the perfect modernization solution with
comprehensive automation functions,
for gas and steam turbines from any vendor.
The Task
Increasing failure probability and expensive
spare parts warehousing of mechanical,
electrical and hydraulic components used
to control and protect LMZ steam turbines
results in decreasing availability and
deteriorating operational reliability.
Your Benefits
■ Increased availability and
an extended life time due
to new, robust system
components and fault
prevention
■ Increased operational
reliability using proven
state-of-the-art installations
■ Enhanced flexibility using
modern, intelligent
automation solutions
■ Reduced maintenance
costs due to easy-to-service
standard components
However, since both turbine and generator
still retain a high residual lifetime, it is logical
to modernize the old control and protection
systems to meet today’s requirements for
cost-effective operation of the turbosets.
Our Solution
SPPA-R3000 Turbine Controls offers concepts
that are adapted to the specific requirements
of LMZ steam turbines. The Siemens solution
has successfully proven itself in more than
35 reference projects.
In addition to the control system, the modernization solution can also include vibration
monitoring and analysis, hydraulic components,
field instrumentation and electrical solutions.
The basis for this is the cutting-edge
SPPA-T3000 Control System that forms the
platform for governor, protection and open-loop
control of auxiliaries. Due to its scalability,
it can be used not only as a stand-alone turbine
solution, but also for modernization of the
entire plant with a uniform operating and
engineering environment for all of the plant
areas.
Siemens' scope of supply covers the entire
spectrum: from feasibility studies, to the
mapping of functionalities for LMZ turbines,
fail-safe protection with SIL3 certification
and installation/commissioning, including
integrated and complete documentation.
Siemens‘ process expertise enables the joint
development of concepts and solutions for
LMZ steam turbines of all sizes.
The SPPA-R3000 mechanical/hydraulic solutions
allow for seamless integration of the I&C
interface to the hydraulics. The SIL3 certified
2-out-of-3 trip block, for example, replaces
existing trip devices, trip modules and
mechanical protection circuits. Plant operators
profit from the reduced maintenance costs with
easy-to-service devices. Using the hydraulic
2-out-of-3 voting, all trip channels, from sensor
to hydraulics, including the trip block, can be
tested online using an integrated, fully
automatic test program. Adaption of the
mechanical/ hydraulic interface for the control
system to fulfill the UCTE* guidelines is
implemented through conversion to individual
valve actuation of the HP control valves.
The entire modernization, which includes
replacement of the LMZ systems with Siemens
technology, is completed in the shortest
possible time. This helps to eliminate systembased failures of the legacy system as well as
performance losses, while achieving the highest
level of reliability, flexibility and availability.
SPPA-R3000 increases the availability of LMZ steam turbines
* Union for the Co-ordination of Transmission of Electricity
siemens.com/sppa
The solution can include:

Control system (governor,
protection, open-loop control)

Vibration monitoring and
analysis

Electrical solutions
(AVR, excitation system,
synchronization, unit
protection facilities)

Hydraulic modernization

Field instrumentation
Our broad portfolio:

Execution of a feasibility study

Conceptual design – outlining
of the technological task
definition

Realization of the tasks
and functions for
LMZ steam turbines
Studies
and
Consulting
Bidding
Engineering

Further functional expansion
solutions to increase cost-efficiency,
e.g. test functions to reduce
maintenance effort

Fail-safe protection with
IEC61508 - SIL3 certification

Customer-specific adaptions of the
solution, e.g. modification of the
operating mode
Manufacturing,
FAT
Installation
Commissioning,
Optimization

Time-optimized
installation/commissioning within
scheduled outage periods

Before/after tests (fingerprints)

Integrated and complete
documentation
Training
Handover
to Customer
(FAC)
After
Sales
Service
Менеджмент
качества
Quality Management
Our comprehensive service portfolio ranges from studies and consulting to after-sales service and is notable for its first-rate quality management.
Published by and copyright © 2015:
Siemens AG
Power and Gas Division
Freyeslebenstrasse 1
91058 Erlangen, Germany
For more information contact
sppa-r3000.energy@siemens.com
www.siemens.com/energy/sppa-r3000
R3MCST_FS_LMZ-Mod_e_V1-0
Order no. PGIE-T10001-00-4A00
Printed in Germany
Dispo 05401
Printed on elementary chlorine-free
bleached paper.
Unrestricted
AL:N ECCN:N
All rights reserved.
Trademarks mentioned in this document are
the property of Siemens AG, its affiliates, or
their respective owners.
Subject to change without prior notice.
The information in this document contains
general descriptions of the technical options
available, which may not apply in all cases.
The required technical options should
therefore be specified in the contract.