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Главная » Продукция » Высоковольтное оборудование » Силовые трансформаторы

Преобразовательные трансформаторы HVDC

phpThumb() v1.7.9-200712090829 in file "phpthumb.class.php" on line 216 [1] => setCacheDirectory() starting with config_cache_directory = "/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof/" in file "phpthumb.class.php" on line 920 [2] => setting config_cache_directory to realpath(/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof) = "/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof" in file "phpthumb.class.php" on line 948 [3] => $this->config_cache_directory is not writable (/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof) in file "phpthumb.class.php" on line 959 [4] => setCacheDirectory() starting with config_cache_directory = "/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof/" in file "phpthumb.class.php" on line 920 [5] => setting config_cache_directory to realpath(/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof) = "/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof" in file "phpthumb.class.php" on line 948 [6] => $this->config_cache_directory is not writable (/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof) in file "phpthumb.class.php" on line 959 [7] => setSourceFilename(assets/images/prod/469/uploadnixsst.jpg) set $this->sourceFilename to "assets/images/prod/469/uploadnixsst.jpg" in file "phpthumb.class.php" on line 243 [8] => skipping CleanUpCacheDirectory() set to purge (0.0 days; 0.00MB; 0 files) in file "phpthumb.class.php" on line 652 [9] => skipping CleanUpCacheDirectory() because config set to not use it in file "phpthumb.class.php" on line 751 [10] => CleanUpCacheDirectory() purged 0 files (from 0) based on config settings in file "phpthumb.class.php" on line 757 [11] => file_exists() = 0 in file "phpthumb.class.php" on line 1102 [12] => is_executable() = 0 in file "phpthumb.class.php" on line 1103 [13] => using ImageMagick path from `which convert` (/usr/bin/convert) in file "phpthumb.class.php" on line 1122 [14] => ImageMagick version checked with "convert --version" in file "phpthumb.class.php" on line 1149 [15] => ImageMagick did not return recognized version string (Version: ImageMagick 6.8.9-9 Q16 x86_64 2016-08-25 http://www.imagemagick.org Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC Features: DPC Modules OpenMP Delegates: bzlib cairo djvu fftw fontconfig freetype jbig jng jpeg lcms lqr ltdl lzma openexr pangocairo png rsvg tiff wmf x xml zlib) in file "phpthumb.class.php" on line 1155 [16] => ImageMagick convert --version says "Unknown" in file "phpthumb.class.php" on line 1158 [17] => $AvailableImageOutputFormats = array(text;ico;bmp;wbmp;gif;png;jpeg) in file "phpthumb.class.php" on line 885 [18] => $this->thumbnailFormat set to $this->config_output_format "jpeg" in file "phpthumb.class.php" on line 896 [19] => $this->thumbnailFormat set to $this->f "png" in file "phpthumb.class.php" on line 903 [20] => $this->thumbnailQuality set to "75" in file "phpthumb.class.php" on line 913 [21] => $this->sourceFilename set to "assets/images/prod/469/uploadnixsst.jpg" in file "phpthumb.class.php" on line 813 [22] => ololoassets/images/prod/469/uploadnixsst.jpg/var/www/elektropul2/data/www/elektropul.ru/assets/images/prod/469/uploadnixsst.jpg [23] => setCacheDirectory() starting with config_cache_directory = "/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof" in file "phpthumb.class.php" on line 920 [24] => setting config_cache_directory to realpath(/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof) = "/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof" in file "phpthumb.class.php" on line 948 [25] => $this->config_cache_directory is not writable (/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof) in file "phpthumb.class.php" on line 959 [26] => SetCacheFilename() _src set from md5($this->sourceFilename) "assets/images/prod/469/uploadnixsst.jpg" = "50296ab3168d98ad881d2e0608bd9b7e" in file "phpthumb.class.php" on line 3075 [27] => SetCacheFilename() _par set from md5(_far1_w298_dpi150) in file "phpthumb.class.php" on line 3108 [28] => starting ExtractEXIFgetImageSize() in file "phpthumb.class.php" on line 2895 [29] => $this->useRawIMoutput=true after checking $UnAllowedParameters in file "phpthumb.class.php" on line 1233 [30] => phpThumb_tempnam() returning "/tmp/pThumbe1PJ8v" in file "phpthumb.class.php" on line 3868 [31] => ImageMagickSwitchAvailable(thumbnail) = 1 in file "phpthumb.class.php" on line 1190 [32] => ImageMagickSwitchAvailable(density) = 1 in file "phpthumb.class.php" on line 1190 [33] => GetImageSize(assets/images/prod/469/uploadnixsst.jpg) SUCCEEDED: a:7:{i:0;i:200;i:1;i:160;i:2;i:2;i:3;s:24:"width="200" height="160"";s:4:"bits";i:8;s:8:"channels";i:3;s:4:"mime";s:10:"image/jpeg";} in file "phpthumb.class.php" on line 1317 [34] => GetImageSize(assets/images/prod/469/uploadnixsst.jpg) returned [w=200;h=160;f=2] in file "phpthumb.class.php" on line 1322 [35] => source dimensions set to 200x160 in file "phpthumb.class.php" on line 1325 [36] => SetOrientationDependantWidthHeight() starting with "200"x"160" in file "phpthumb.class.php" on line 2874 [37] => SetOrientationDependantWidthHeight() setting w="298", h="0" in file "phpthumb.class.php" on line 2890 [38] => Remaining $this->fltr after ImageMagick: (array(0) { } ) in file "phpthumb.class.php" on line 1808 [39] => ImageMagick called as (convert -density 150 -thumbnail x "assets/images/prod/469/uploadnixsst.jpg[0]" png:"/tmp/pThumbe1PJ8v" 2>&1) in file "phpthumb.class.php" on line 1827 [40] => GetImageSize(/tmp/pThumbe1PJ8v) returned [w=1;h=1;f=3] in file "phpthumb.class.php" on line 1844 [41] => ImageMagickThumbnailToGD::ImageCreateFromPNG() succeeded, $this->gdimg_source is now (1x1) in file "phpthumb.class.php" on line 1850 [42] => ImageMagickThumbnailToGD() returning $this->IMresizedData (668 bytes) in file "phpthumb.class.php" on line 1851 [43] => Skipping rest of GenerateThumbnail() because ($this->useRawIMoutput == true) in file "phpthumb.class.php" on line 318 [44] => RenderToFile() failed because "/var/www/elektropul2/data/www/elektropul.ru/assets/cache/phpthumbof/" is not writable in file "phpthumb.class.php" on line 531 ) " alt="Преобразовательные трансформаторы HVDC " title="Преобразовательные трансформаторы HVDC ">

Класс напряжения: 500 кВ

Преобразовательный трансформатор HVDC является важнейшей составляющей передачи постоянного тока. Помимо основной задачи по передаче электроэнергии между двумя уровнями напряжения, он обеспечивает дополнительные функции, как например гальваническую развязку между сторонами переменного и постоянного тока. Большое количество отпаек обеспечивает возможность изменений в нагрузке без потери производительности.

Преобразовательный трансформатор как правило делается с двумя обмотками равной мощности и напряжения. Одна обмотка соединяется в звезду, а вторая в треугольник. За счет этого удается избавиться от основной гармоники.

Преобразовательный рансформатор HVDC может быть изготовлен как трехфазном, так и воднофазном виде в зависомости от уровня напряжения и мощности.