{"id":88686,"date":"2026-09-23T13:39:09","date_gmt":"2026-09-23T11:39:09","guid":{"rendered":"https:\/\/fhi.nl\/nieuws\/power-quality-in-datacenters-thd-harmonischen-en-stroomkwaliteit-monitoren\/"},"modified":"2026-09-23T13:39:09","modified_gmt":"2026-09-23T11:39:09","slug":"power-quality-in-datacenters-thd-harmonischen-en-stroomkwaliteit-monitoren","status":"publish","type":"news","link":"https:\/\/fhi.nl\/en\/news\/power-quality-in-datacenters-thd-harmonischen-en-stroomkwaliteit-monitoren\/","title":{"rendered":"Power Quality in Data Centers: Monitoring THD, Harmonics, and Power Quality"},"content":{"rendered":"<header id=\"header\" class=\"header header--low\">\n\n\t\n\t\t\t<div class=\"header__background header__background--graphic\"><\/div>\n\t\n\t<div class=\"container\">\n\t\t<div class=\"header__content\">\n\t\t\t<div class=\"header__first header__first--alone\">\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<h1 class=\"header__title\" >\n\t\t\t\t\tPower Quality in Data Centers: Monitoring THD, Harmonics, and Power Quality\t\t\t\t<\/h1>\n\n\t\t\t\t<div class=\"header__dots-line\">\n\t\t\t\t\t<svg width=\"431\" height=\"9\" viewbox=\"0 0 431 9\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M430.799 4.192a1.136 1.136 0 1 1-2.272-.001 1.136 1.136 0 0 1 2.272 0Zm-27.272 0a1.135 1.135 0 1 1-2.27 0 1.135 1.135 0 0 1 2.27 0Zm-27.27 0a1.136 1.136 0 1 1-2.272-.001 1.136 1.136 0 0 1 2.272 0Zm-27.272 0a1.39 1.39 0 1 1-2.78 0 1.39 1.39 0 0 1 2.78 0Zm-27.78 0a1.645 1.645 0 1 1-3.29 0 1.645 1.645 0 0 1 3.29 0Zm-28.29 0a1.9 1.9 0 1 1-3.799 0 1.9 1.9 0 0 1 3.799 0Zm-28.799 0a2.154 2.154 0 1 1-4.308 0 2.154 2.154 0 0 1 4.308 0Zm-29.308 0a2.41 2.41 0 1 1-4.819 0 2.41 2.41 0 0 1 4.819 0Zm-29.819 0a2.663 2.663 0 1 1-5.326.001 2.663 2.663 0 0 1 5.326-.001Zm-30.327 0a2.919 2.919 0 1 1-5.837 0 2.919 2.919 0 0 1 5.837 0Zm-30.837 0a3.173 3.173 0 1 1-6.345.001 3.173 3.173 0 0 1 6.345 0Zm-31.346 0a3.428 3.428 0 1 1-6.856 0 3.428 3.428 0 0 1 6.856 0Zm-31.856 0a3.683 3.683 0 1 1-7.365 0 3.683 3.683 0 0 1 7.365 0Zm-32.365 0a3.937 3.937 0 1 1-7.875 0 3.937 3.937 0 0 1 7.875 0Zm-32.874 0a4.192 4.192 0 1 1-8.384 0 4.192 4.192 0 0 1 8.384 0Z\" fill=\"#FFF960\"\/><\/svg>\t\t\t\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\n\t\t\t\n\t\t<\/div>\n\t<\/div>\n<\/header>\n\n\n\n<div class=\"text bg--white\">\n\t<div class=\"container\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"text__content text__content--1-col\">\n\t\t\t\n<h2 class=\"wp-block-heading\">What is Power Quality in a data center?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Power Quality describes the quality and stability of the electrical voltage and current used to power IT equipment.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A stable electrical infrastructure is not just about sufficient power. Deviations in voltage, current, frequency, and waveform can also be relevant to the operation of connected equipment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Important Power Quality parameters include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total Harmonic Distortion (THD)<\/li>\n\n\n\n<li>harmonic distortion<\/li>\n\n\n\n<li>Crest Factor<\/li>\n\n\n\n<li>Power Factor<\/li>\n\n\n\n<li>voltage and voltage spikes<\/li>\n\n\n\n<li>current and power surges<\/li>\n\n\n\n<li>voltage dips<\/li>\n\n\n\n<li>frequency<\/li>\n\n\n\n<li>phase load<\/li>\n\n\n\n<li>residual current<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Continuously monitoring these values provides a much more complete picture of what is happening electrically in a rack than kWh measurement alone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why is Power Quality becoming more important due to AI and high-density racks?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">AI and HPC infrastructures change the electrical load of data centers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GPU systems can demand very high power, and their load can vary significantly depending on the workload. Recent technical literature describes modern AI training racks with significantly higher and more dynamic power profiles than traditional server racks; such rapidly changing loads can cause harmonic distortion and voltage flicker, among other things.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, other PDU manufacturers are also explicitly focusing their latest intelligent rack PDUs on Power Quality Monitoring for AI data centers, including THD and voltage\/current disturbances.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For data center operators, this means only looking at:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u201cThis rack uses 40 kW\u201d<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">provides less and less information.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You also want to be able to investigate:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Is the voltage stable?<\/strong><br><strong>Are there power surges?<\/strong><br><strong>Does harmonic distortion occur?<\/strong><br><strong>How does the Power Factor behave?<\/strong><br><strong>Are deviations incidental or structural?<\/strong><br><strong>When exactly did an electric event take place?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That is where Power Quality Monitoring comes into play.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is Total Harmonic Distortion (THD)?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Total Harmonic Distortion, usually abbreviated as THD, is a measure of the harmonic distortion of an electrical voltage or current waveform.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In an ideal situation, alternating voltage and alternating current have a pure sinusoidal shape. Non-linear electrical loads can distort this waveform.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Servers, for example, contain switching power supplies. As a result, harmonics can arise in the electrical load. THD makes visible how much distortion is present relative to the fundamental frequency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a data center, therefore, both <strong>voltage THD as current THD<\/strong> provide relevant information.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Power Quality specialists and PDU manufacturers use THD monitoring, among other things, to visualize anomalies close to the IT load.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why monitor harmonics in a data center?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Harmonics are frequency components that distort the normal sinusoidal shape of voltage or current.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That is relevant because a modern data center contains many non-linear electrical loads.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When harmonic distortion increases, this may, for example, be a reason to further investigate what is happening in a rack or electrical distribution chain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this regard, the location of the measurement is particularly interesting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A measurement at the beginning of the electrical infrastructure tells what is happening there. An intelligent rack PDU can measure. <strong>close to the IT equipment that actually uses the electricity<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That makes rack-level Power Quality Monitoring interesting for locating and analyzing anomalies.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is Crest Factor?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Crest Factor describes the ratio between the peak value and the RMS value of an electric waveform.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With this, Crest Factor provides information about the magnitude of peaks in a current or voltage signal relative to the effective value.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A deviating Crest Factor can provide additional information about the shape of the electrical load and possible deformation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In combination with THD, current, voltage, and Power Factor, this provides a more complete picture than when only average energy consumption is considered.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are voltage dips and voltage spikes?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>voltage dip<\/strong> is a temporary drop in voltage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>voltage spike<\/strong> is actually a temporary increase in the measured voltage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because such events can be brief, they are not always visible when only looking at current or average values.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, event registration is important.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When a Power Quality system has a deviation including <strong>timestamp<\/strong> if registered, an operator can investigate afterwards when the event occurred and compare this with other events in the data center.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why monitor power peaks?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Electricity can also exhibit short-term peaks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Especially with dynamic IT loads, it is interesting not only to know the average current but also to record peak values.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After all, a high average load and a short power peak tell different stories.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By means of <strong>current peaks<\/strong> Analyzing this together with other measured values provides greater insight into the actual electrical behavior of a rack.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is Power Factor?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Power Factor represents the ratio between the actual active power used and the total apparent power.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Power Factor close to 1 means that a large portion of the input power is effectively used as active power.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Power Factor can therefore provide useful additional information about the electrical load of IT equipment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In combination with active power (W), apparent power (VA), reactive power (VAR), THD, and Crest Factor, a more comprehensive picture of the load emerges.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why monitor the frequency?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In European data centers, the electrical infrastructure normally operates around <strong>50 Hz<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Frequency monitoring makes changes in this electrical fundamental frequency visible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although frequency is usually very stable, this parameter is part of a complete Power Quality picture and can be used together with other measurements for the analysis of electrical events.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is Residual Current Monitoring?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Residual Current Monitoring (RCM) measures residual or leakage currents in the electrical installation.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A residual flow arises when the outgoing and return flows are not fully in balance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Continuous monitoring can help operators detect changes and deviations and subsequently investigate them in a targeted manner.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Schleifenbauer PDU 5.0 can optionally be equipped with <strong>IEC\/EN 62020 RCM Type B measurement<\/strong>, including total, peak, AC and DC residual current measurements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This can be particularly interesting in critical data center environments where operators want more insight into the electrical condition per rack or phase.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why measure Power Quality at the rack level?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A data center has measuring equipment at various points in the electrical infrastructure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But ultimately, the IT load is located in the server rack.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>The rack PDU forms one of the final links between the electrical infrastructure and the connected IT equipment.<\/strong>. Therefore, Power Quality Monitoring at the PDU level can provide information about what is actually happening close to the IT load. Other specialized PDU vendors also position rack-level monitoring as valuable for analysis and troubleshooting for precisely that reason.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This makes it possible, for example, to compare a deviation in one rack with other racks or measurements at other levels in the infrastructure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Which Power Quality values can an intelligent PDU measure?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Not every intelligent PDU measures the same parameters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Schleifenbauer PDU 5.0 can measure inputs and branches, among other things:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Voltage<\/li>\n\n\n\n<li>Voltage dip \/ peak<\/li>\n\n\n\n<li>Current<\/li>\n\n\n\n<li>Current peak<\/li>\n\n\n\n<li>Active Power (W)<\/li>\n\n\n\n<li>Apparent Power (VA)<\/li>\n\n\n\n<li>Reactive Power (VAR)<\/li>\n\n\n\n<li>Energy<\/li>\n\n\n\n<li>Total Harmonic Distortion (THD)<\/li>\n\n\n\n<li>Crest Factor<\/li>\n\n\n\n<li>Frequency<\/li>\n\n\n\n<li>Power Factor<\/li>\n\n\n\n<li>optional Residual Current<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Depending on the PDU version, different values may also be available at the outlet level.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As a result, an intelligent rack PDU can be much more than just a power distributor or kWh meter: it also becomes a <strong>measuring point for the electrical condition close to the IT load<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><figcaption class=\"wp-element-caption\">EnerTree DCEM Software<\/figcaption><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">Power Quality Monitoring with Schleifenbauer PDU 5.0 and EnerTree<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">At Schleifenbauer, the desired PDU functionality is independent of the chosen management architecture.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After the choice for a <strong>Metered, Monitored, Switched or Managed PDU<\/strong> it is possible to choose how the intelligence and Power Quality data are managed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two main architectures are available for this.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><figcaption class=\"wp-element-caption\">Schleifenbauer \u2013 Infographic PDU 5.0 EnerTree Platform vs EnerTree lite<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Controller Module with EnerTree Lite<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A PDU with <strong>Controller Module<\/strong> contains the intelligence locally in the PDU.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>EnerTree Lite is embedded software that runs directly on the Controller Module.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Measured values can be viewed and managed locally via the web interface. EnerTree Lite supports, among other things, Power Quality measurements such as <strong>THD, Crest Factor and voltage and current peaks with time stamping<\/strong>. Historical data, trending, alerts, and integration via SNMP, Modbus, and REST, among others, are also available.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This architecture aligns with the conventional way in which intelligent PDUs are managed and is suitable for smaller or locally managed installations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gateway Module with EnerTree Platform<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For larger environments, the same intelligent PDU can be equipped with a <strong>Gateway Module<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The intelligence is then not hosted locally in every PDU, but managed centrally with <strong>EnerTree Platform<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EnerTree Platform runs as software in a separate <strong>virtual machine (VM)<\/strong> and is designed for central monitoring and management of up to <strong>10,000 PDUs<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As a result, Power Quality data from large numbers of racks can be centrally collected, analyzed, and compared.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition, the EnerTree Platform offers, among other things:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>real-time monitoring<\/li>\n\n\n\n<li>extensive historical data<\/li>\n\n\n\n<li>trends and Power Quality analysis<\/li>\n\n\n\n<li>dashboards<\/li>\n\n\n\n<li>reporting &amp; analytics<\/li>\n\n\n\n<li>scheduled reports<\/li>\n\n\n\n<li>thresholds and alerts<\/li>\n\n\n\n<li>database and data export<\/li>\n\n\n\n<li>mass management<\/li>\n\n\n\n<li>Zero Touch Provisioning<\/li>\n\n\n\n<li>integration with DCIM, BMS, and ERP systems<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This makes Power Quality Monitoring part of a broader <strong>Data Center Energy Management (DCEM)<\/strong>-environment.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><figcaption class=\"wp-element-caption\">Power Quality in EnerTree Platform<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">From one rack to thousands of PDUs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The difference, therefore, lies not only in <strong>what the PDU can measure<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The choice lies mainly in <strong>how you want to manage that information<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Controller Module with EnerTree Lite provides a conventional, local intelligent PDU architecture.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Gateway Module with the EnerTree Platform makes the same PDU functionality part of a central and scalable energy and Power Quality management platform.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Moreover, with the modular PDU 5.0 architecture, this choice can be changed later by replacing the communication module, without having to replace the entire PDU.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Power Quality Monitoring without separate software licenses<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EnerTree Lite and EnerTree Platform are part of the Schleifenbauer PDU 5.0 architecture and require <strong>no recurring software license fees<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This allows data center operators to use Power Quality data, energy measurements, alerts, historical data, and, with the EnerTree Platform, advanced central DCEM functionality, without software costs increasing with every additional PDU.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For large PDU installations, that can make a significant difference in the total costs of monitoring and management.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Power Quality becomes part of rack energy management<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The increasing power density of AI, GPU, and HPC infrastructure makes it increasingly relevant to look beyond just kWh and rack load.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>THD, harmonics, crest factor, power factor, voltage dips, voltage and current peaks, frequency, and residual current each provide a different piece of information about what is happening electrically in and around a rack.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By measuring these values close to the IT load and analyzing them centrally, data center operators gain more information to investigate anomalies, identify trends, and better understand the electrical infrastructure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Of <strong>Schleifenbauer PDU 5.0, EnerTree Lite and EnerTree Platform<\/strong> Power Quality Monitoring can be integrated into the same infrastructure used for rack power distribution, energy metering, and PDU management.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Want to know more about Power Quality Monitoring?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Look at <strong><a href=\"https:\/\/www.schleifenbauer.eu\/nl\/enertree-dcem\/\">EnerTree DCEM for PDU monitoring and energy management<\/a><\/strong> or contact Schleifenbauer to discuss which PDU and management architecture suits your data center.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><figcaption class=\"wp-element-caption\">Power Quality Data Center<\/figcaption><\/figure>\n<p>The post <a href=\"https:\/\/www.schleifenbauer.eu\/nl\/power-quality-datacenter\/\">Power Quality in Data Centers: Monitoring THD, Harmonics, and Power Quality<\/a> appeared first on <a href=\"https:\/\/www.schleifenbauer.eu\/nl\">Schleifenbauer \u2013 PDUs<\/a>.<\/p>\n<p>Source: <a href=\"https:\/\/www.schleifenbauer.eu\/nl\/power-quality-datacenter\/\">https:\/\/www.schleifenbauer.eu\/nl\/power-quality-datacenter\/<\/a><\/p>\t\t<\/div>\n\t<\/div>\n<\/div>\r\n\t<div class=\"articles bg--offwhite automatic\">\r\n\t\t<div class=\"container\">\r\n\t\t\t<div class=\"articles__header\">\r\n\t\t\t\t\t\t\t\t\t<div class='heading-wrapper'><svg width=\"13\" height=\"13\" viewbox=\"0 0 13 13\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle cx=\"6.394\" cy=\"6.5\" r=\"6.394\" fill=\"#000\"\/><\/svg><h2>Related articles<\/h2><\/div>\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"\/en\/profiel\/schleifenbauer-products-bv\/\" class=\"button button--outline\">view profile<\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<div class=\"post-grid post-grid--no-padding\">\r\n\t\t\t\t\n<a class=\"single-item single-item__articles\" href=\"https:\/\/fhi.nl\/en\/news\/vermogenselektronica-en-energieopslag-essentieel-voor-succes-energietransitie\/\" data-id=\"33079\">\n\t<div class=\"single-item__articles-icon\">\n\t\t<svg width=\"103\" height=\"103\" viewbox=\"0 0 103 103\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M49.5 98.9587V82.3076C33.3844 81.2758 20.6328 67.878 20.6328 51.5019C20.6328 35.1258 33.3844 21.728 49.5 20.6962V4.04134C24.1941 5.08952 4 25.9365 4 51.5C4 77.0635 24.1941 97.9105 49.5 98.9587ZM53.5 78.2983V61.8096H76.3238C72.5238 70.9498 63.8222 77.5397 53.5 78.2983ZM49.5 78.298V61.8096H26.681C30.4804 70.9484 39.1799 77.5377 49.5 78.298ZM47.0728 57.8096H25.3773C24.8906 55.7865 24.6328 53.6743 24.6328 51.5019C24.6328 37.3358 35.5955 25.7301 49.5 24.7058V37.013H34.0466C33.2709 37.013 32.5653 37.4615 32.2359 38.1637C31.9065 38.8659 32.0128 39.6952 32.5086 40.2916L47.0728 57.8096ZM55.9249 57.8096H77.6274C78.1141 55.7865 78.3719 53.6743 78.3719 51.5019C78.3719 37.3342 67.4068 25.7275 53.5 24.7055V37.013H68.9511C69.7268 37.013 70.4324 37.4615 70.7618 38.1637C71.0912 38.8659 70.9849 39.6952 70.4891 40.2916L55.9249 57.8096ZM53.5 82.3079V98.9587C78.8059 97.9105 99 77.0635 99 51.5C99 25.9365 78.8059 5.08952 53.5 4.04134V20.6959C69.6178 21.7254 82.3719 35.1242 82.3719 51.5019C82.3719 67.8796 69.6178 81.2784 53.5 82.3079ZM0 51.5C0 23.7271 21.9843 1.08883 49.5 0.0381213V0H51.5H53.5V0.0381213C81.0157 1.08883 103 23.7271 103 51.5C103 79.9427 79.9427 103 51.5 103C23.0573 103 0 79.9427 0 51.5ZM38.3102 41.013H64.6875L51.4989 56.8765L38.3102 41.013Z\" fill=\"#2DD881\"\/>\n<\/svg>\n\t<\/div>\n\t<div class=\"single-item__articles-title\"><div class='heading-wrapper'><h3>Power electronics and energy storage essential for the success of the energy transition<\/h3><\/div><\/div>\n\t<div class=\"single-item__articles-terms\">\n\t\t\n\t\t\n\t\t\t\t\t\t<span class=\"button button--outline single-item__articles-term--branche single-item__articles-term\">Industrial Electronics<\/span>\n\t\t\t\t\t\t\t\t<span class=\"button button--outline single-item__articles-term--branche single-item__articles-term\">The month of<\/span>\n\t\t\t\t\t<\/div>\n\t<div class=\"single-item__articles-author-date-wrapper\">\n\t\t\t\t\t<div class=\"single-item__articles-author\">\n\t\t\t\tFHI, Federation of Technology Industries\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"single-item__articles-date\">\n\t\t\t\tJuly 4, 2023\t\t\t<\/div>\n\t\t\t<\/div>\n<\/a>\n\n<a class=\"single-item single-item__articles\" href=\"https:\/\/fhi.nl\/en\/news\/hes-hart-naar-ethernet-gateway-systeem\/\" data-id=\"44338\">\n\t<div class=\"single-item__articles-icon\">\n\t\t<svg width=\"35\" height=\"35\" viewbox=\"0 0 35 35\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<mask id=\"mask0_1182_5532\" style=\"mask-type:luminance\" maskunits=\"userSpaceOnUse\" x=\"0\" y=\"0\" width=\"35\" height=\"35\">\n<path d=\"M0 0H35V35H0V0Z\" fill=\"white\"\/>\n<\/mask>\n<g mask=\"url(#mask0_1182_5532)\">\n<path d=\"M5.12695 9.22852H1.02539V31.9238H10.4299C12.2868 31.9238 14.0678 32.6615 15.3809 33.9746H19.6191C20.9322 32.6615 22.7132 31.9238 24.5701 31.9238H33.9746V11.2793H29.873\" stroke=\"#2A5CEE\" stroke-width=\"2\" stroke-miterlimit=\"10\"\/>\n<path d=\"M17.5 9.22852H18.1426C20.0088 7.89544 22.2237 7.17773 24.5615 7.17773H29.873V27.8223H24.5615C22.2237 27.8223 20.0088 28.54 18.1426 29.873H16.8574C14.9912 28.54 12.7763 27.8223 10.4385 27.8223H5.12695V5.12695H9.22852\" stroke=\"#2A5CEE\" stroke-width=\"2\" stroke-miterlimit=\"10\"\/>\n<path d=\"M9.22852 1.02539V21.6699C13.759 21.6699 17.5 25.3425 17.5 29.873V9.22852C17.5 4.698 13.759 1.02539 9.22852 1.02539Z\" stroke=\"#2A5CEE\" stroke-width=\"2\" stroke-miterlimit=\"10\"\/>\n<\/g>\n<\/svg>\n\t<\/div>\n\t<div class=\"single-item__articles-title\"><div class='heading-wrapper'><h3>HES HART to Ethernet Gateway System<\/h3><\/div><\/div>\n\t<div class=\"single-item__articles-terms\">\n\t\t\n\t\t\n\t\t\t\t\t\t<span class=\"button button--outline single-item__articles-term--branche single-item__articles-term\">Industrial automation<\/span>\n\t\t\t\t\t\t\t\t<span class=\"button button--outline single-item__articles-term--branche single-item__articles-term\">Members content<\/span>\n\t\t\t\t\t<\/div>\n\t<div class=\"single-item__articles-author-date-wrapper\">\n\t\t\t\t\t<div class=\"single-item__articles-author\">\n\t\t\t\tMoore Industries Europe Inc.\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"single-item__articles-date\">\n\t\t\t\tSeptember 28, 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22.5586 9.91326 22.5586 7.96501C22.5586 6.01675 23.0294 4.15622 23.8956 2.71619C24.7383 1.31517 26.1797 0 28.1466 0H55.0564C57.0232 0 58.4646 1.31517 59.3073 2.71619C60.1735 4.15622 60.6444 6.01675 60.6444 7.96501C60.6444 9.91326 60.1735 11.7738 59.3073 13.2138C58.4646 14.6148 57.0232 15.93 55.0564 15.93H54.796V40.3243L80.5327 84.0062L80.5391 84.0172L80.5503 84.0368C84.0711 90.2609 79.5954 97.9997 72.4362 97.9997H9.34052C2.18152 97.9997 -2.29415 90.2608 1.22665 84.0368C1.23243 84.0265 1.23831 84.0163 1.24428 84.0062L26.981 40.3243V15.7683ZM30.981 15.93V35.792H39.161C40.2655 35.792 41.161 36.6874 41.161 37.792C41.161 38.8966 40.2655 39.792 39.161 39.792H30.981V40.8697C30.981 41.2268 30.8854 41.5773 30.7041 41.8849L21.3184 57.8149H60.4585L51.0728 41.8849C50.8916 41.5773 50.796 41.2268 50.796 40.8697V15.93H30.981ZM62.8152 61.8148C62.8065 61.8149 62.7978 61.8149 62.7891 61.8149H19.4727C19.3082 61.8149 19.1484 61.7951 18.9954 61.7577L4.70016 86.0205C2.69212 89.5942 5.27194 93.9997 9.34052 93.9997H72.4362C76.5051 93.9997 79.0848 89.5941 77.0768 86.0205L62.8152 61.8148Z\" fill=\"#FFDA56\"\/>\n<\/svg>\n\t<\/div>\n\t<div class=\"single-item__articles-title\"><div class='heading-wrapper'><h3>RNA-loaded exosomes: the drug carriers of the future?<\/h3><\/div><\/div>\n\t<div class=\"single-item__articles-terms\">\n\t\t\n\t\t\n\t\t\t\t\t\t<span class=\"button button--outline single-item__articles-term--branche single-item__articles-term\">Laboratory Technology<\/span>\n\t\t\t\t\t\t\t\t<span class=\"button button--outline single-item__articles-term--branche single-item__articles-term\">Life Science<\/span>\n\t\t\t\t\t\t\t\t<span class=\"button button--outline single-item__articles-term--branche single-item__articles-term\">Life Science\/Biotechnology<\/span>\n\t\t\t\t\t<\/div>\n\t<div class=\"single-item__articles-author-date-wrapper\">\n\t\t\t\t\t<div class=\"single-item__articles-author\">\n\t\t\t\tFHI, Federation of Technology Industries\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"single-item__articles-date\">\n\t\t\t\tFebruary 25, 2022\t\t\t<\/div>\n\t\t\t<\/div>\n<\/a>\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","branches":[],"events":[],"secretariat":[],"categories":[],"themes_tax":[],"content_types":[],"class_list":["post-88686","news","type-news","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Power Quality in datacenters: THD, harmonischen en stroomkwaliteit monitoren - FHI, federatie van technologiebranches<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fhi.nl\/en\/nieuws\/power-quality-in-datacenters-thd-harmonischen-en-stroomkwaliteit-monitoren\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" 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