Modernize and retrofit turbine controls
Because overall production and plant safety are so dependent on turbomachinery performance, failures and unplanned outages can take a major toll in lost production and repair. Often, simply modernizing and retrofitting turbine controls can restore production, performance and profitability.
- Turbomachinery power plant success
This Korean power plant successfully upgraded its turbomachinery equipment despite its remote location, limited local skilled resources and readily-available installation materials. As a result, it has achieved improved reliability, a simplified operating interface and adherence to regulations, all while providing a stable power supply to its customers.
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Our Turbomachinery Control Solutions
Turbine, generator, compressor, and drive solutions as well as mechanical retrofit capabilities and a comprehensive set of services that allow us to deliver the full value to our customers.Turbomachinery control solutions for Oil and Gas
Receive comprehensive compressor control solutions including anti-surge, performance, and load sharing. A plant’s most critical capital investment, turbine upgrades advance both performance and safety. Unplanned downtime, however, can incur significant costs in lost production and repair. Our highly reliable turbomachinery controls (TMCs) protect turbine assets and enhance productivity, safety and lifecycle operations.
- TMC solutions and services
Schneider Electric offers a comprehensive suite of flexible TMC solutions and services. Over four decades, our global experts have enhanced oil and gas operations of all sizes with TriconexTM critical control platforms, and general purpose redundant and simplex ModiconTM platforms.
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Solution features
> Surge control - to protect compressors from surging, we integrate advanced algorithms with complementary process automation strategies
> Compressor performance control - to meet process demands while maintaining operational limits, we offer efficient loading control
> Decoupling control - to balance performance and surge control for optimal efficiency, we provide excellent decoupling control
> Steam and gas turbine control; motor driver control - to provide seamless steam header control and machinery protection, we offer exceptional integrated controls
> Steam and gas turbine control; motor driver control - to provide seamless steam header control and machinery protection, we offer exceptional integrated controls
Benefits
> Reduce Critical Compressor inefficiencies and poor performance
> Lowers risk of process disruption
> Reduces risk of catastrophic compressor failures
> Easy to follow control logic with intermediate results available in real-time
> Easy to follow control logic with intermediate results available in real-time
Turbomachinery control solutions for power industry
Obtain generator control solutions including power control and automatic voltage regulation (AVR). Since overall production and safety are tied to a plant’s turbomachinery, it often represents the most critical capital equipment investment. Unplanned outages or failures incur significant cost in terms of lost production and repair; therefore enhancing TMC performance improves production capability and overall profitability.
- Boost safety and efficiency
With solutions and services for the fossil, hydro, and nuclear power market, Schneider Electric addresses all power configurations and needs for small to large reheat turbines. With more than four decades of experience, we have developed control solutions for general purpose and critical applications to boost safety and efficiency.
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Solution features
> Generator Controls - control for megawatt, speed droop, isochronous, voltage, power factor and MegaVar. We also offer over-temperature limiting, excitation limiting, load sharing, and load shedding.
> Automatic Voltage Regulation (AVR) - AVR solutions include voltage and current control, voltage matching with “soft start,” and bus voltage matching for synchronizing.
> Steam and Gas Turbine Control - Integrated sequences and controls provide seamless steam header control and machinery protection for generators. We also provide control strategies for reheat steam turbines.
Benefits
> Protects critical assets from operation interruption and damage
> Enhances productivity and lifecycle of critical assets such as steam turbines and generators
> Enables performance monitoring
> Enables improved Asset Management
> Enables high-speed event recording
> Enables improved Asset Management
> Enables high-speed event recording
Turbomachinery Control (TMC) for Mechanical Retrofit
Extend the life of TMC equipment and improve overall reliability with mechanical retrofit upgrades. Turbine-driven process plants must operate smoothly for a decade or more. This requires robust controls, reliable mechanical components, avoidance of spurious trips, and capabilities for online repair and testing. Enhancing visualization, diagnostics and simulation also helps extend time between turnarounds.
- TMC Retrofitting
TMC retrofits eliminate mystery boxes and outdated mechanical components. TriconexTM safety systems ensures 2oo3 voting for all trip inputs, electronic over-speed protection, online testing and repair, no single point of failure, and full instrumentation for automatic testing, and continuous diagnostics.
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Solution features
Schneider Electric mechanical retrofit capabilities focus on actuators, power units, probes and other physical components that deliver reliable, fault-tolerant performance. The solutions include :
> Trip Block Assemblies (Quadvoter): fault-tolerant, online serviceable and SIL-rated speed indication: active and passive speed probes receive the speed of the turbine and brackets
> Custom hydraulic power units (HPU) retrofits: designed for high- or low-pressure hydraulic solutions
> TMR servos
> Pneumatic actuator retrofits
> Custom LVDT brackets for redundant and triple-redundant valve position feedback and control
> Thrust probes and brackets
Benefits
> Reduces installation time through strategic use of laser scanning and other advanced reverse engineering methods
> Increases response and precision through high pressure actuators and servo valves
> Simplifies maintenance through the elimination of OEM components
> Increases service life and smoother operation with separation of lubricating oil and control oil
> Improves redundancy with duplication or triplication of system components
> More precise control — high pressure servos and actuators provide excellent resolution with significantly lower hydraulic fluid flow providing increased speed and accuracy for control
> Improves redundancy with duplication or triplication of system components
> More precise control — high pressure servos and actuators provide excellent resolution with significantly lower hydraulic fluid flow providing increased speed and accuracy for control
Turbomachinery control services
Benefit from a full spectrum of engineering and consulting services developed over decades of turbomachinery control experience. Maximizing return on turbomachinery assets requires continually optimizing turbine efficiency. By constantly monitoring the health of rotating equipment, plant managers and business owners can boost reliability, improve safety, stay compliant with emerging standards, and extend time between shutdowns.
- Engineering services for TMC
Leveraging decades of turbomachinery control (TMC) success, Schneider Electric acts as an independent consultant for TMC projects. Access our full spectrum of engineering services — from specification development, hardware/software design and procurement to installation, testing, commissioning and training.
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Our Services
> Front-end engineering design (FEED) – keep project expenses in check via pre-project planning, front-end loading, and feasibility analysis
> TMC engineering assessments – expert assessments including reliability improvement, controls analysis, and field instrumentation
> Commissioning and startup support – ensure that all TMC systems and components are designed, installed and tested according to your operational requirements
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