STEAG Energy Services Your Expert Partner for Wind Farms. We Optimize Availability and Revenues.

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1 STEAG Energy Services Your Expert Partner for Wind Farms We Optimize Availability and Revenues

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3 Challenges Faced by Wind Farms The service portfolio of STEAG Energy Services covers the entire value chain of plants for power generation: from project planning and engineering via operation management and optimization right up to intelligent IT solutions. With WINDcenter, these services and our broad expertise are now also available for wind energy. High availability safe returns Wind turbines have to be operated with a high availability in order to lastingly achieve high revenues and thus safe returns during the entire lifetime of the plant, beyond the planned return on investment. Losses in spite of proven strategies Despite proven optimization strategies including regular inspections, maintenance and repair, frequent WT output limitations or outages do occur. This leads to a loss of revenues. Late detection of unexpected problems The causes of output limitations are often creeping changes that are diffi cult to be detected by the WT controller. Therefore, the reaction to problems and fault messages in the form of systematic service operations takes place far too late, so that valuable time is lost. The result: substantial losses of revenues. Optimization approach: avoiding losses of revenue A study by STEAG Energy Services documents the preventability of losses of revenue of wind farms. The output of wind farms can thus decrease by up to 700 MWh within one year due to directly measurable generation losses, which, depending on the remuneration model, can lead to revenue losses of 75,000 up to 150,000. Unnecessary losses that would have been largely avoidable! Expert knowledge for your success At STEAG Energy Services we have valuable experience in the operation and maintenance of wind turbines. Moreover, we support you as owner s engineer of your wind farm project including all auxiliary plants even before the fi rst wind energy plant has been installed. Make use of our expert knowledge and our range of services to make your existing or planned wind farm a complete success regarding your return expectations. Additional increase of availability and revenues With our IT solutions and the services of the WINDcenter (WIND: Wind farm Integrated Neural Diagnostics), STEAG Energy Services now offers you an intelligent and manufacturer-independent package for the monitoring of wind farms that allows you to further increase the availability of your wind farm. 3

4 Our WINDcenter: We Will Handle It! From project development via the implementation right At STEAG Energy Services we can support and implement your projects from development right up to the commercial operation of wind farms. Both the comprehensive knowhow of our engineers from the fi elds of mechanical, electrical, and structural engineering as well as control technology and our valuable experiences with grid operators on linking large-scale power plants to the grid are very helpful here. Moreover, our engineers have developed concepts for the early detection of problems in the project implementation (like e.g. possible delays or insuffi cient quality) and for systematically initiating countermeasures. You do not have the necessary staff resources for continuously monitoring your wind farms? We will gladly do the job for you. With the WINDcenter, our specialists at STEAG Energy Services are ready to systematically evaluate for you the information supplied by our powerful IT solutions in detail. We provide own server capacities at our premises for the data reception from the SCADA and CMS systems of your plants. We develop projects Project planning: project initialization, scheduling, cost planning Technical studies Checking and assessing wind measuring campaigns and wind assessment reports Technical due diligence of onshore projects Plan of concept of the wind farm including structural and electro-technical infrastructure as well as grid connection Technical responsibility in procurement and approval processes Building ground analyses and preparation of recommendations of establishment Clarifi cation of the grid connection including negotiations with the grid operator We implement projects Provision of the project management and project controlling: tracking and control of costs and schedule, reporting, document management Contract management: contract analysis, claim management, risk management Quality management: - Preparing and checking quality management plans - Monitoring of the quality assurance and the expediting in manufacturing - Damage event analyses and coordination of repair concepts Design review and optimization of the implementation planning 4

5 up to the monitoring Electro-technical design calculations for the wind farm and verifi cation for the external grid operator: - Dimensioning of the components of the electrical grid within the wind farm - Sensitivity analyses, protection concept, proof of selectivity, harmonic analyses - Static and dynamic calculations according to the Ancillary Service Ordinance SDL Wind or for checking compliance with the requirements of local grid codes Construction site set-up planning, organization, management, and monitoring Interface planning and interface coordination of all parties involved in the project Engineering for SCADA systems and plant/turbine-specifi c systems that provide data Planning, organization, management, and monitoring of construction and commissioning Support of acceptance measurements and their assessment 5

6 We monitor projects Demand-oriented: we offer customized solutions adjusted to customer requirements. Qualified: our systematic SCADA and CMS data analysis ensures that warnings and alarms are only generated when they are relevant. Intelligent: our IT solutions enable an early detection of creeping process changes and sudden deviations. Comprehensive: we react to each relevant alarm with a comprehensive, IT-based root cause analysis. Detailed: owing to our accurate analyses, non-availabilities can be attributed precisely. Up-to-date: our detailed regular as well as extraordinary reports keep you informed about the current performance of your wind farm at all times. 6

7 IT Solutions with Extra Added Value Intelligent IT technologies have long proven themselves in many areas of the power industry. They are also indispensable in wind energy as they lead to continuous improvement processes, more efficient workflows, faster reactions, and a higher data transparency, among other things. In addition, they pave the way for new, effective strategies for plant optimizations. The application of clever as well as tried and tested IT solutions offers entirely new potentials to lastingly increase the availability and thus ultimately the revenue of wind turbines. STEAG Energy Services has decades of experience in developing powerful IT technologies for the energy industry. With SR::SPC, SR::EAGLE, and SI /PAM we offer you three tried and tested IT solutions with real added value for wind energy. 7

8 SR::SPC online monitoring and analysis SR::SPC (statistical process control) is an intelligent IT solution that has been used in the power industry with outstanding success for many years, in perfect interaction with a powerful database and visualization. SR::SPC enables a continuous online monitoring of wind turbines with a sophisticated data analysis. Continuous, automatic analysis of the really relevant data from the information of the SCADA and/or CMS system Early detection of creeping changes Automatic alarm message in the event of faults or creeping changes Systematic identifi cation of immediate and fast process changes Valuable gain in time for the timely planning and control of maintenance measures Cost-effi cient planning of service operations Lasting cost reduction by avoiding extensive repairs or expensive component changes SR::EAGLE systematic decision support in the root cause analysis Changes in the operating behavior of plants can lead to deteriorations and sudden failures. Tracing the exact causes of these incidents is often very time-consuming. SR::EAGLE is an IT solution for the systematic decision support if you want to track down the causes of fault or error messages more quickly. Intelligent system based on a tree structure Simultaneous isolation of several causes of a fault message Automatic real-time evaluation Prompt diagnosis as early as seconds after an alarm 8

9 Faster pattern detection in the case of recurrent fault messages Effi cient use of gained insights for other wind turbines Permanent preservation of valuable knowledge for fl eetwide application Contribution to Overall Failure Rate in % SI /PAM maintenance management SI /PAM, a modular, fl exible IT solution developed by STEAG Energy Services, is used, among other applications, for the operation management and coordination of maintenance measures in wind farms. In combination with SR::SPC, SI /PAM also provides the crucial basis for conducting non-availability analyses for the wind farm. For a systematic monitoring, the WINDcenter has developed algorithms that allow to accurately attribute the responsibility for a non-availability in terms of time and to estimate the generation loss due to power limitations and/or unplanned shutdowns. Cumulative Sum of Failure Rate in % 10 0 FREQUENCY CONVERTER GENERATOR ASSEMBLY LV SWITCHGEAR MV SWITCHGEAR TRANSFORMER POWER FEEDER CABLES GEARBOX ASSEMBLY POWER CABINET MECHANICAL BRAKE PROTECTION CABINET HIGH SPEED SHAFT TRANSMISSION PITCH SYSTEM MAIN SHAFT BLADES HUB GENERATOR SILENT BLOCKS SLIPRINGS ELECTRICAL PROTECTION & SAFETY HUB COVER HYDRAULIC SYSTEM TOP BLADE BEARINGS SERVICE CRANE SENSORS COOLING SYSTEM COMMUNICATION SYSTEM WTG METEOROLOGICAL STATION SAFETYCHAIN LIGHTNING AND POWER POINTS CONTROLLER H/W GROUND CONTROLLER S/W LIGHTING PROTECTIONSYSTEM HUMAN AND OPERATION SAFETY LIFT GROUNDING ANCILLARY EQUIPMENT ELECTRICAL CABINETS YAW SYSTEM UPS CABINE NACELLE SENSORS BEACON NACELLE COVER NACCELLE BEDPLATE HUB CABINET FIREFIGHTING SYSTEM GEARBOX ASSEMBLY ELECTRICAL AUXILIARY CABLING MECHANICAL BRAKE TOWER HIGH SPEED SHAFT TRANSMISSION FOUNDATIONS MAIN SHAFT WIND FARM SYSTEM COMMON FACILITIES GENERATOR SILENT BLOCKS ELECTRICAL PROTECTION & SAFETY DATA LOGGER HYDRAULIC SYSTEM CONDITION SENSORS & CABLES TOP PROTOCOLADAPTER CARD FOR SERVICE CRANE SENSORS COOLING SYSTEM WTG METEOROLOGICAL STATION LIGHTNING AND POWER POINTS GROUND LIGHTING PROTECTIONSYSTEM reference faillure rate Reliawind Study sum reference faillure rate Reliawind Study Historical cumulativ Month cumulative sum of failure rate in % Historical faillure rate Month faillure rate reference faillure rate Reliawind Study sum reference faillure rate Reliawind Study Historical cumulative sum faillure rate % Month cumulative sum of failure rate in % Historical faillure rate Month faillure rate Overview of the Causes and Frequencies of the Wind Energy Plant Failures page Contribution to Overall Failure Rate in % Contribution to Overall Failure Rate in % Cumulative Sum of Failure Rate in % Cumulative Sum of Failure Rate in % FREQUENCY CONVERTER FREQUENCY GENERATOR CONVERTER ASSEMBLY FREQUENCY CONVERTER GENERATOR LV SWITCHGEAR ASSEMBLY GENERATOR MV ASSEMBLY LV SWITCHGEAR LV SWITCHGEAR MV TRANSFORMER SWITCHGEAR POWER FEEDER MV SWITCHGEAR TRANSFORMER CABLES TRANSFORMER POWER FEEDER CABLES POWER FEEDER CABLES POWER CABINET PROTECTION POWER CABINET POWER CABINET PROTECTION PITCH CABINET SYSTEM PROTECTION CABINET PITCH SYSTEM BLADES PITCH SYSTEM BLADES HUB BLADES SLIPRINGS HUB HUB HUB SLIPRINGS COVER SLIPRINGS HUB COVER HUB COVER BLADE BEARINGS BLADE BEARINGS SENSORS BLADE BEARINGS COMMUNICATION SENSORS SYSTEM SENSORS COMMUNICATION SAFETYCHAIN SYSTEM COMMUNICATION SYSTEM CONTROLLER SAFETYCHAIN H/W SAFETYCHAIN CONTROLLER H/W S/W CONTROLLER H/W HUMAN AND OPERATION CONTROLLER SAFETY S/W CONTROLLER S/W HUMAN AND OPERATION SAFETY HUMAN AND OPERATION SAFETY ANCILLARY EQUIPMENT ANCILLARY YAW EQUIPMENT SYSTEM ANCILLARY EQUIPMENT NACELLE YAW SENSORS SYSTEM YAW SYSTEM NACELLE NACELLE SENSORS COVER NACELLE SENSORS NACCELLE NACELLE BEDPLATE COVER NACELLE COVER NACCELLE BEDPLATE NACCELLE BEDPLATE GEARBOX ASSEMBLY GEARBOX MECHANICAL ASSEMBLY BRAKE GEARBOX ASSEMBLY HIGH SPEED SHAFT MECHANICAL TRANSMISSION BRAKE MECHANICAL BRAKE HIGH SPEED SHAFT TRANSMISSION MAIN SHAFT HIGH SPEED SHAFT TRANSMISSION MAIN SHAFT MAIN SHAFT GENERATOR SILENT BLOCKS ELECTRICAL GENERATOR PROTECTION SILENT & BLOCKS SAFETY GENERATOR SILENT BLOCKS ELECTRICAL PROTECTION HYDRAULIC & SYSTEM SAFETY ELECTRICAL PROTECTION & SAFETY HYDRAULIC SYSTEM TOP HYDRAULIC SYSTEM SERVICE CRANE TOP TOP COOLING SERVICE SYSTEM CRANE SERVICE CRANE WTG METEOROLOGICAL COOLING STATION SYSTEM COOLING SYSTEM WTG LIGHTNING METEOROLOGICAL AND POWER STATION POINTS WTG METEOROLOGICAL STATION LIGHTNING AND POWER GROUND POINTS LIGHTNING AND POWER POINTS LIGHTING PROTECTIONSYSTEM GROUND GROUND LIGHTING PROTECTIONSYSTEM LIFT LIGHTING PROTECTIONSYSTEM GROUNDING LIFT LIFT ELECTRICAL GROUNDING CABINETS GROUNDING ELECTRICAL UPS ELECTRICAL CABINETS CABINETS UPS BEACON UPS CABINE CABINE BEACON BEACON HUB CABINET FIREFIGHTING HUB SYSTEM HUB CABINET CABINET ELECTRICAL FIREFIGHTING AUXILIARY CABLING FIREFIGHTING SYSTEM SYSTEM ELECTRICAL TOWER ELECTRICAL AUXILIARY AUXILIARY CABLING CABLING FOUNDATIONS TOWER TOWER WIND FOUNDATIONS FARM SYSTEM COMMON WIND WIND FARM FACILITIES FARM SYSTEM SYSTEM COMMON COMMON FACILITIES DATA LOGGER CONDITION SENSORS DATA DATA & LOGGER CABLES PROTOCOLADAPTER CONDITION SENSORS CARD & & CABLES FOR PROTOCOLADAPTER CARD CARD SENSORS FOR FOR 0 SENSORS 0 9 reference reference faillure faillure rate rate Reliawind Reliawind Study Study sum sum reference reference faillure faillure rate rate Reliawind Reliawind Study Study Historical Historical cumulative sum sum faillure faillure rate rate % %

10 Your Wind Farm Is in Good Hands with STEAG Energy Services! Qualified engineering, customer-oriented operation management, and intelligent IT solutions: complete versatility and high performance you can benefit from. We keep a vigilant technical eye on your wind farm, at all times and to its full extent, monitoring each plant by means of highly efficient IT technologies. We inform you quickly and specifically about all relevant faults as well as creeping and sudden changes, allowing you to take action early on and in a result-oriented way. You have access to the online data of your wind energy plant at all times. The data from SCADA and/or CMS systems are stored by us, so this information will be available to you even years later. Our regular informative reports will always keep you up to date on the performance of your wind farm. 10

11 Your benefits Professional technical wind farm management Continuous, complete online monitoring of wind turbines and wind farms using intelligent IT solutions Automatic analysis of all important and thus really relevant information from SCADA and/or CMS systems Automatic alarm in the event of faults and creeping changes Comprehensive root cause analysis of relevant alarms using IT solutions for decision support Fast reaction to imminent undesired events and error messages Cost-efficient planning and control of service operations Regular reports and damage analyses Transparent look at the availability of each wind energy plant and the entire wind farm Optimized operation management owing to continuous improvement process Informative availability analyses for investors and shareholders Precise non-availability analyses (compliance with contractual agreements regarding the availability of the wind turbines in terms of time and energy) 11

12 STEAG Energy Services GmbH Rüttenscheider Straße Essen Germany Phone: SES, Stand 04/2016