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We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/ih321407/public_html/sonat-spc.ru/engine/modules/calendar.php on line 50 Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/ih321407/public_html/sonat-spc.ru/engine/modules/calendar.php on line 213 Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. 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We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/ih321407/public_html/sonat-spc.ru/engine/modules/show.full.php on line 447 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/ih321407/public_html/sonat-spc.ru/engine/modules/show.full.php on line 447 Провод силовой для электронных установок ВБбШв » ООО НПФ "Сонат"

Провод силовой для электронных установок ВБбШв

Провод силовой для электронных установок ВБбШв

Короткая черта

Силовой кабель ВБбШв предназначен для передачи и рассредотачивания электронной энергии в стационарных установках на номинальное напряжение 660 и 1000 В частотой до 50 Гц либо неизменное напряжение до 1000 В. Для дополнительной защиты от механических повреждений и от воздействия брутальной среды при прокладке в земле конструкция кабеля предугадывает броню и защитный покров. При одиночной прокладке силовой кабель ВббШв не поддерживает горение.

Конструкция кабеля

Силовой кабель ВБбШв делается с однопроволочными либо многопроволочными медными жилами круглой либо секторной формы (1 либо 2 класс по ГОСТ 22483). Изоляция жил делается из ПВХ-пластиката и имеет отличительную расцветку. Нулевые жилы производятся голубого цвета, жилы заземления — двуцветные, зелёно-желтые. В двужильных кабелях применяется цветная и голубая изоляция, в трёхжильных цветная, голубая, жёлто-зелёная, в четырёхжильных — три цветных и жёлто-зелёная, в пятижильных — три цветных, голубая и жёлто-зелёная.

Изолированные жилы двух-, трех-, четырех- и пятижильных кабелей скручены. Двужильные кабели ВббШв имеют жилы схожего сечения, а трех-, четырех- и пятижильные могут быть выполнены как со всеми жилами схожего сечения, так и с одной (заземления либо нулевую) наименьшего сечения. Поясная изоляция выпрессовывается из ПВХ-пластиката либо другого равноценного материала, а в моделях ВБбШнг — из ПВХ-пластиката пониженной горючести. Внешняя оболочка имеет броню из 2-ух железных покрытых цинком лент шириной 0,3 мм и наружное покрытие ПВХ-пластикатом.

Технические и эксплуатационные свойства

Силовой кабель ВБбШв предназначен для эксплуатации при температуре от -50°С до +50°С и относительной влажности воздуха до 98% (при температуре +35°С).

Предельная продолжительно допустимая температура нагрева жил кабелей в рабочем режиме составляет + 70° С, в аварийном режиме либо в режиме перегрузки + 80° С (при продолжительности нагрева менее 8 часов в день и 1000 часов за весь срок службы). При маленьком замыкании (до 4 сек) наибольшая допустимая температура нагрева жил + 160° С.

Силовой кабель ВббШв в течение 10 мин. Выдерживает испытание переменным напряжением 3 кВ для моделей на 660 В и 3,5 кВ для моделей на 1000 В.

Электронное сопротивление изоляции жил при температуре 20° С при сечении 1-1,5 мм2 составляет 12 МОм/км, при сечении 2,5–4,0 мм2 – 10 МОм/км, при сечении 6,0 мм2 – 9 МОм/км, при сечении 10–240 мм2 - 7 МОм/км. Сопротивление изоляции при продолжительно допустимой температуре нагрева жил более - 0,005 МОм/км. Наибольшее рабочее напряжение электронной сети для кабелей 0,66 кВ - 0,72 кВ, для кабелей 1 кВ - 1,2, Прокладка и установка кабелей ВБбШв при температуре не ниже -7°С может выполняться без подготовительного нагрева. Малый радиус извива при прокладке одножильных кабелей - 10 Dн, многожильных - 7,5 Dн, одножильных марки ВБбШнг – 15 Dн (Dн - внешний поперечник кабеля).

Строительная длина кабелей для сечений главных жил:

1,5 - 16 мм2 - 450 м;

25 - 70 мм2 - 300 м; 95 мм2 и выше - 200 м.

Гарантийный срок эксплуатации силового кабеля ВббШв - 5 лет, срок службы - 30 лет.

Сфера внедрения

Силовой кабель ВБбШв применяется для прокладки в помещениях, туннелях, каналах, шахтах (не считая прокладки в блоках), также в земле (траншеях) и на открытом воздухе – в случае, когда кабель не будет подвергаться значимым растягивающим усилиям, но при наличии угрозы механических повреждений в процессе использования. Кабель марки ВБбШв не распространяет горение при одиночной прокладке, а ВБбШнг – и при прокладке в пучках.


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