{"id":3169,"date":"2026-02-26T04:52:50","date_gmt":"2026-02-26T04:52:50","guid":{"rendered":"https:\/\/renewasoft.com.tr\/?p=3169"},"modified":"2026-03-01T15:46:25","modified_gmt":"2026-03-01T15:46:25","slug":"what-is-scada-which-data-are-critical-in-hydropower-plants-hpps","status":"publish","type":"post","link":"https:\/\/renewasoft.com.tr\/index.php\/en\/2026\/02\/26\/what-is-scada-which-data-are-critical-in-hydropower-plants-hpps\/","title":{"rendered":"What Is SCADA? Which Data Are Critical in Hydropower Plants (HPPs)?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<strong>What Is SCADA? Which Data Are Critical in Hydropower Plants (HPPs)?<\/strong><\/p>\n<p><strong>TL;DR <\/strong><\/p>\n<ul>\n<li>SCADA is a supervisory layer that collects field data and provides centralized monitoring\/control through operator interfaces. [1][2]<\/li>\n<li>In HPPs, critical data include not only electrical measurements (MW, V, A, Hz) but also process and asset-health signals (flow, head, gate\/guide vane position, vibration, bearing temperature). [3][4]<\/li>\n<li>Value emerges through a chain: KPI \u2192 alarms \u2192 root-cause analysis \u2192 maintenance\/operations action; raw data alone does not deliver outcomes. [5][6]<\/li>\n<li>For many modern hydro facilities, SCADA data are among the most accessible foundations for condition monitoring and predictive maintenance. [6][7]<\/li>\n<li>The Hydrowise perspective is to standardize and store SCADA data as time series, enabling dashboards, alarms, and analytics to accelerate decisions (product context).<\/li>\n<\/ul>\n<p><strong>1) Concept: What exactly is SCADA?<\/strong><\/p>\n<p>SCADA (Supervisory Control and Data Acquisition) performs two core functions: (i) data acquisition and (ii) supervisory monitoring\/control. Measurements from sensors and states\/commands from actuators\u2014typically through PLCs\/RTUs\u2014are collected by the SCADA server, while operators use HMI screens to monitor the process, receive alarms, and issue high-level commands. This architecture provides a centralized operational truth that standardizes visibility and coordination across the plant. [1][2]<\/p>\n<p>In the context of power and industrial automation, SCADA is not merely displaying numbers. It often includes historian capabilities, event\/alarm management, trend analysis, and operational reporting. SCADA architectures\u2014field instrumentation, RTU\/PLC layer, master station\/servers, and HMI\u2014are consistently described as a layered supervisory system supporting reliability and operations. [2]<\/p>\n<p><strong>Technical Note: SCADA vs. \u201ccontrol\u201d<\/strong><\/p>\n<p>SCADA is typically not the primary closed-loop control system; instead, it sits above local controllers (PLCs\/DCS) as a supervisory and coordination layer. Local control loops remain at the field level, while SCADA provides higher-level visibility, alarm handling, and command orchestration. [2]<\/p>\n<p><strong>2) HPP context: What does \u201ccritical data\u201d mean?<\/strong><\/p>\n<p>Critical data answer: (1) Are we generating safely and efficiently right now? (2) Are we approaching a failure\/outage risk soon? Accordingly, critical variables fall into three groups:<\/p>\n<p><strong>2.1 Electrical data (grid compliance and generation performance)<\/strong><\/p>\n<ul>\n<li>Active power (kW\/MW), reactive power (kVAr\/MVAr)<\/li>\n<li>Voltage (V\/kV), current (A)<\/li>\n<li>Frequency (Hz), power factor, harmonics (if available)<\/li>\n<\/ul>\n<p>Even in micro-hydropower SCADA implementations, monitored variables commonly include voltage, current, frequency, and power. [3]<\/p>\n<p><strong>2.2 Hydraulic \/ process data (water \u2192 energy conversion chain)<\/strong><\/p>\n<ul>\n<li>Flow rate (m\u00b3\/s)<\/li>\n<li>Net head \/ pressures<\/li>\n<li>Gate\/valve position, guide vane opening<\/li>\n<li>Penstock inlet\/outlet pressures, valve states<\/li>\n<li>Reservoir\/canal levels (depending on plant type)<\/li>\n<\/ul>\n<p>Practical SCADA monitoring lists in hydropower applications include flow, guide vane opening, and pressure readings. [3]<\/p>\n<p><strong>2.3 Asset-health data (critical for predictive maintenance)<\/strong><\/p>\n<ul>\n<li>Turbine and generator bearing temperatures, winding temperatures<\/li>\n<li>Oil temperature, oil pressure, contamination indicators (if available)<\/li>\n<li>Vibration (bearing housing, casing, shaft, etc.)<\/li>\n<li>Speed (rpm) and alignment\/imbalance proxies (if available)<\/li>\n<\/ul>\n<p>Vibration surveys and reviews emphasize vibration as a high-information signal tied to multiple fault mechanisms. [5] Predictive maintenance perspectives for Francis turbines highlight monitoring vibration and temperature signals. [7]<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3173 aligncenter\" src=\"https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-300x163.jpg\" alt=\"\" width=\"536\" height=\"291\" srcset=\"https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-300x163.jpg 300w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-1024x558.jpg 1024w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-768x418.jpg 768w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-1536x837.jpg 1536w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-350x191.jpg 350w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-540x294.jpg 540w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-918x500.jpg 918w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-730x398.jpg 730w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367-600x327.jpg 600w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image1-2-e1772081481367.jpg 1920w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><\/p>\n<p>&#8211; This visual shows how SCADA systems in hydropower plants integrate electrical data, hydraulic process parameters, and asset health information to enable data-driven decision-making, risk management, and standardized operational value creation.<\/p>\n<p><strong>3) Why are these variables critical? (Business impact and risk)<\/strong><\/p>\n<p><strong>3.1 Production and revenue optimization<\/strong><\/p>\n<p>MW, flow, and head together support efficiency reasoning and performance tracking. Modern hydropower contexts describe SCADA variables being recorded and stored for operational analysis and benchmarking. [4]<\/p>\n<p><strong>3.2 Operational safety<\/strong><\/p>\n<p>Positions, pressures, and temperature trends enable early detection of abnormal conditions; bearing temperature rise may indicate lubrication or alignment issues. [5][7]<\/p>\n<p><strong>3.3 Lower maintenance cost (predictive maintenance)<\/strong><\/p>\n<p>Reviews of predictive maintenance in SCADA-based industries argue that SCADA infrastructures can support early warning and data-driven maintenance. [6] Hydropower diagnostics work frames a practical pipeline from data acquisition to diagnosis. [8]<\/p>\n<p><strong>Risk Box: Typical consequences when critical data are missing<\/strong><\/p>\n<ul>\n<li>Failures remain invisible until they are felt \u2192 more unplanned outages. [5][8]<\/li>\n<li>Arbitrary thresholds \u2192 false positives\/negatives desensitize teams. [8]<\/li>\n<li>Efficiency losses persist unnoticed. [4]<\/li>\n<\/ul>\n<p><strong>4) Example scenario: What should an operator see on SCADA?<\/strong><\/p>\n<p><strong>Scenario: Vibration increase + bearing temperature rise<\/strong><\/p>\n<ol>\n<li>A trend shows a gradual rise in turbine bearing temperature. [3][5]<\/li>\n<li>Vibration RMS exceeds the normal band. [5][7]<\/li>\n<li>Flow and MW are stable, so load variation is unlikely.<\/li>\n<li>The operator escalates alarm severity and notifies maintenance.<\/li>\n<li>Maintenance checks misalignment, lubrication, bearing condition, etc. [5]<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-3172 aligncenter\" src=\"https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-300x167.jpg\" alt=\"\" width=\"534\" height=\"297\" srcset=\"https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-300x167.jpg 300w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-1024x571.jpg 1024w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-768x428.jpg 768w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-1536x857.jpg 1536w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-350x195.jpg 350w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-540x301.jpg 540w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-896x500.jpg 896w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-717x400.jpg 717w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1-600x335.jpg 600w, https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/image2-1.jpg 1920w\" sizes=\"auto, (max-width: 534px) 100vw, 534px\" \/><\/p>\n<p>Multi-variable interpretation strengthens diagnosis; condition monitoring literature emphasizes multi-signal approaches in hydropower. [8]<\/p>\n<p><strong>5) Link to Hydrowise: How does SCADA data become product value?<\/strong><\/p>\n<p>Operational needs include data standardization, reliable time-series storage, KPI derivation, anomaly\/alarm generation, and workflow integration. Discussions of modern SCADA emphasize expanding roles toward stronger data logging and analysis capabilities that enable retrospective investigations. [9]<\/p>\n<p><strong>Info Card: Minimum critical dataset for HPPs (starter package)<\/strong><\/p>\n<ul>\n<li>Electrical: MW, V, A, Hz, reactive power<\/li>\n<li>Process: flow, net head\/pressure, gate\/guide vane opening<\/li>\n<li>Health: bearing temperatures, oil temperature, vibration<\/li>\n<li>Events: alarm\/fault codes, start\/stop events, operating mode<\/li>\n<\/ul>\n<p><strong>6) FAQ<\/strong><\/p>\n<p>1) Are SCADA and DCS the same? No. SCADA is supervisory; PLC\/DCS executes local control loops. [2]<\/p>\n<p>2) What is the single most critical variable? Avoid single-variable thinking; interpret MW\/flow with vibration\/temperature trends. [3][5][7]<\/p>\n<p>3) How to set alarm thresholds? Include trends and operating modes; fixed thresholds alone are often insufficient. [8]<\/p>\n<p>4) Is SCADA data sufficient for predictive maintenance? Often a strong starting point. [6][8]<\/p>\n<p>5) Why is retention important? Root-cause and performance analysis require historical trends. [4]<\/p>\n<p><strong>7) Conclusion and Next Steps<\/strong><\/p>\n<p>SCADA in hydropower is a data backbone. Critical variables span electrical, process, and asset-health dimensions. Next steps: (1) extract tag lists, (2) define critical dataset &amp; KPIs, (3) document alarm design, (4) plan standardization + time-series storage + alarm\/analytics layers together.<\/p>\n<p><strong>References<\/strong><\/p>\n<p>[1] Role of SCADA in Hydro Power Plant Automation. (2015). ResearchGate publication. (Accessed: 2026-02-21).<\/p>\n<p>[2] He, W., et al. (2024). An Open-Source Supervisory Control and Data Acquisition (SCADA) &#8230; Energies.<\/p>\n<p>[3] Kart, T. A. (2025). Micro-Hydroelectric Power Plant SCADA monitoring&#8230; D\u00fczce University Journal of Science &amp; Technology.<\/p>\n<p>[4] Doujak, E., et al. (2023). Fatigue Strength Analysis of a Prototype Francis Turbine&#8230; Energies.<\/p>\n<p>[5] Mohanta, R. K., et al. (2017). Sources of vibration and their treatment in hydro power stations&#8230; Journal of Rock Mechanics and Geotechnical Engineering.<\/p>\n<p>[6] Predictive Maintenance in SCADA-Based Industries: A literature review. (2021). ResearchGate PDF.<\/p>\n<p>[7] A review of condition monitoring in Francis turbines for predictive maintenance. (2025). ResearchGate publication.<\/p>\n<p>[8] Selak, L., et al. (2014). Condition monitoring and fault diagnostics for hydropower plants (HPP)&#8230; Computers in Industry.<\/p>\n<p>[9] Holder, G. (2025). Defining Digitalization Barriers for HPP Refurbishment (STSM report).[\/vc_column_text][\/vc_column][vc_column][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]What Is SCADA? Which Data Are Critical in Hydropower Plants (HPPs)? TL;DR SCADA is a supervisory layer that collects field data and provides centralized monitoring\/control through operator interfaces. [1][2] In HPPs, critical data include not only electrical measurements (MW, V, A, Hz) but also process and asset-health signals (flow, head, gate\/guide vane position, vibration, [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":3346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1853,224,1855,230,1867],"tags":[],"class_list":["post-3169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-and-business-value","category-company-news-announcements","category-critical-infrastructure-cybersecurity-and-industrial-systems-security","category-data-analytics-and-machine-learning","category-scada-iot-and-data-architecture"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Is SCADA? 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Which Data Are Critical in Hydropower Plants (HPPs)? - Renewasoft Enerji ve Yaz\u0131l\u0131m A.\u015e","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/renewasoft.com.tr\/index.php\/en\/2026\/02\/26\/what-is-scada-which-data-are-critical-in-hydropower-plants-hpps\/","og_locale":"tr_TR","og_type":"article","og_title":"What Is SCADA? Which Data Are Critical in Hydropower Plants (HPPs)? - Renewasoft Enerji ve Yaz\u0131l\u0131m A.\u015e","og_description":"[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]What Is SCADA? Which Data Are Critical in Hydropower Plants (HPPs)? TL;DR SCADA is a supervisory layer that collects field data and provides centralized monitoring\/control through operator interfaces. 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