{"id":241859,"date":"2024-10-19T15:50:44","date_gmt":"2024-10-19T15:50:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-dd-iec-ts-619342011\/"},"modified":"2024-10-25T10:41:24","modified_gmt":"2024-10-25T10:41:24","slug":"bsi-dd-iec-ts-619342011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-dd-iec-ts-619342011\/","title":{"rendered":"BSI DD IEC\/TS 61934:2011"},"content":{"rendered":"<p>IEC\/TS 61934, which is a technical specification, is applicable to the off-line electrical measurement of partial discharges (PD) that occur in electrical insulation systems (EIS) when stressed by repetitive voltage impulses generated from electronic power devices.<\/p>\n<p>Typical applications are EIS belonging to apparatus driven by power electronics, such as motors, inductive reactors and windmill generators.<\/p>\n<blockquote>\n<p>NOTE&nbsp;1 Use of this technical specification with specific products may require the application of additional procedures.<\/p>\n<\/blockquote>\n<blockquote>\n<p>NOTE&nbsp;2 The procedures described in this technical specification are emerging technologies. Experience and caution, as well as certain preconditions, are needed to apply it.<\/p>\n<\/blockquote>\n<p>Excluded from the scope of this technical specification are<\/p>\n<ul>\n<li>\n<p>methods based on optical or ultrasonic PD detection,<\/p>\n<\/li>\n<li>\n<p>fields of application for PD measurements when stressed by non-repetitive impulse voltages such as lightning impulse or switching impulses from switchgear.<\/p>\n<\/li>\n<\/ul>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>FOREWORD  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>INTRODUCTION  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope  <br \/> 2 Normative references   <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4 Measurement of partial discharge pulses during repetitive, short rise-time voltage impulses and comparison with power frequency  <br \/> 4.1 Measurement frequency <br \/> 4.2 Measurement quantities  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>4.3 Test objects <br \/> 4.4 Impulse generators  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>4.5 Effect of testing conditions  <br \/> Table 1 \u2013 Example of parameter values of impulse voltage waveform without load   <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>5 PD detection methods <br \/> 5.1 General <br \/> 5.2 PD pulse coupling and detection devices  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>Figure 1 \u2013 Coupling capacitor with multipole filter  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>Figure 2 \u2013 Example of voltage impulse and PD pulse frequency spectra before and after filtering <br \/> Figure 3 \u2013 HFCT between supply and test object with multipole filter  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Figure 4 \u2013 HFCT between test object and earth with multipole filter <br \/> Figure 5 \u2013 Circuit using an electromagnetic coupler (for example an antenna) to suppress impulses from the test supply <br \/> Figure 6 \u2013 Circuit using an electromagnetic UHF antenna   <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Figure 7 \u2013 Example of waveforms of repetitive bipolar impulse voltage and charge accumulation for a twisted-pair sample  <br \/> Figure 8 \u2013 Charge measurements  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>5.3 Source-controlled gating techniques  <br \/> 6 Measuring instruments <br \/> 7 Sensitivity check of the PD measuring equipment <br \/> 7.1 General <br \/> Figure 9 \u2013 Example of PD detection using electronic source-controlled gating(other PD coupling devices can be used)  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>7.2 Test diagram for sensitivity check <br \/> 7.3 PD detection sensitivity check <br \/> Figure 10 \u2013 Test diagram for sensitivity check  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>9 Test report  <br \/> Figure 12 \u2013 Example of increasing and decreasing the impulse voltage magnitude  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Annex A (informative) Voltage impulse suppression required by the coupling device <br \/> Figure A.1 \u2013 Example of overlap between voltage impulseand PD pulse spectra (dotted area)  <br \/> Figure A.2 \u2013 Example of voltage impulse and PD pulse spectra after filtering  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Figure A.3 \u2013 Example of impulse voltage damping as a function of impulse voltage magnitude and rise time  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Annex B (informative) PD pulses extracted from a supply voltage impulsethrough filtering techniques <br \/> Figure B.1 \u2013 Power supply waveform and recorded signalusing an antenna during supply voltage commutation  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Figure B.2 \u2013 Signal detected by an antenna from the recordof Figure B.1, using a filtering technique (400 MHz high-pass filter) <br \/> Figure B.3 \u2013 Characteristic of the filter used to pass from Figure B.1 to Figure B.2   <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Annex C (informative) Result of round-robin tests of RPDIV measurement <br \/> Figure C.1 \u2013 The sequence of negative voltage impulses used for RRT  <br \/> Figure C.2 \u2013 PD pulses (under) corresponding to voltage impulses (above)  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>Figure C.3 \u2013 Dependence of normalized RPDIV on 100 data (NRPIV\/100) on relative humidity (A-F indicates the participants of RRT)   <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>Annex D (informative) Examples of noise levels of practical PD detectors <br \/> Table D.1 \u2013 Examples of bandwidths and noise levels for practical PD sensors  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Electrical insulating materials and systems. Electrical measurement of partial discharges (PD) under short rise time and repetitive voltage impulses<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2011<\/td>\n<td>34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":241861,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[498,2641],"product_tag":[],"class_list":{"0":"post-241859","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-080-30","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/241859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/241861"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=241859"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=241859"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=241859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}