{"id":4476,"date":"2021-02-11T07:48:04","date_gmt":"2021-02-11T06:48:04","guid":{"rendered":"https:\/\/pq-as-a-service.com\/?p=4476"},"modified":"2021-02-16T11:51:23","modified_gmt":"2021-02-16T10:51:23","slug":"subharmonic-and-supraharmonic-measurement","status":"publish","type":"post","link":"https:\/\/pq-as-a-service.com\/en\/subharmonic-and-supraharmonic-measurement\/","title":{"rendered":"Harmonic measurement"},"content":{"rendered":"

Non-linear power consumption and decentralized power generation creates more and more disturbances into the grid. With this short blog we would like to introduce how easy it is to setup a measurement – but of course, less easy will be the problem solving. But there must be starting point somewhere.<\/p>\n

<\/p>\n

Used device is HDPQ (Dranetz) \/ Mavowatt 270 (Gossen Metrawatt)
\n<\/em><\/p>\n

\n

Step 1<\/h3>\n

Setup the frequency band you wish to record with trigger values in a 5Hz steps eg. You want to record 36,5Hz range so the step below is 30 and above is 35Hz<\/p>\n

    \n
  1. \n
      \n
    1. You can choose up to 5 frequencies you want to record and or measure on trigger points<\/li>\n
    2. Choose journal Limits<\/strong> under the topic trigger limits<\/strong><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

      \"\"<\/p>\n

      \n

      Step 2<\/h3>\n

      Setup the frequency band in 5Hz Steps you want to record<\/p>\n

        \n
      1. \n
          \n
        1. Please note<\/strong> that you have to setup voltage not the frequency<\/strong> directly<\/li>\n
        2. In our sample if we want to detect the spectrum form or around 30Hz we have to choose a very low voltage value such as 1V and 2V for the different limit types in the MAVOWATT 270<\/li>\n
        3. Please note<\/strong> that you even can choose a trigger point on the current frequencies if necessary => in this case you have to add the current value<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

          \"\"<\/p>\n

          \n

          Step 3<\/h3>\n
            \n
          1. Analyse the value in the DranView 7 software and create the graph<\/li>\n<\/ol>\n

            \"\"<\/p>\n

            \n

            Step 4<\/h3>\n
              \n
            1. Analyse the graph<\/li>\n
            2. Deduce necessary action<\/li>\n<\/ol>\n

              \"\"<\/p>\n

               <\/p>\n

               <\/p>\n","protected":false},"excerpt":{"rendered":"

              Non-linear power consumption and decentralized power generation creates more and more disturbances into the grid. With this short blog we would like to introduce how easy it is to setup a measurement – but of course, less easy will be the problem solving. But there must be starting point somewhere.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[76],"tags":[89,90,81,91,77,88,150,142],"class_list":["post-4476","post","type-post","status-publish","format-standard","hentry","category-practical-examples","tag-demand-side-power-quality-en","tag-dspq-en","tag-emc","tag-harmonics","tag-power-quality","tag-pqi-en","tag-subharmonics","tag-supraharmonics"],"yoast_head":"\nHarmonic measurement - Power Quality Wissen<\/title>\n<meta name=\"description\" content=\"Measurement of Harmonics, Subharmonics and Supraharmonics shortly explained and discribed as the start of problem solving\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pq-as-a-service.com\/en\/subharmonic-and-supraharmonic-measurement\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Harmonic measurement - 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