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101 possible involvement of proteases in the regulation of spermatogenesis
Универсальный англо-русский словарь > possible involvement of proteases in the regulation of spermatogenesis
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102 the best of all possible worlds
Общая лексика: лучший из мировУниверсальный англо-русский словарь > the best of all possible worlds
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103 the constant c is asymptotically best possible as n tends to infinity
Универсальный англо-русский словарь > the constant c is asymptotically best possible as n tends to infinity
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104 the earliest possible date
Общая лексика: КРАТЧАЙШИЕ СРОКИУниверсальный англо-русский словарь > the earliest possible date
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105 the only (one) possible
Математика: единственно возможныйУниверсальный англо-русский словарь > the only (one) possible
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106 the only possible
Математика: (one) единственно возможный, единственное возможное -
107 the only possible way
Программирование: единственно возможный способ -
108 the only solution possible
Программирование: единственно возможное решениеУниверсальный англо-русский словарь > the only solution possible
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109 the output working velocity must be kept as high as possible
Универсальный англо-русский словарь > the output working velocity must be kept as high as possible
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110 possible ways round the deadlock
Politics english-russian dictionary > possible ways round the deadlock
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111 (the) very idea of a possible accident
English-Russian combinatory dictionary > (the) very idea of a possible accident
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112 the maximum possible assistance
das Höchstmaß an Hilfeleistung -
113 the maximum possible guidance
das Höchstmaß an möglicher Unterstützung -
114 the approach has deliberately been kept as simple as possible ...
• подход намеренно упрощался насколько это было возможно...English-Russian dictionary of phrases and cliches for a specialist researcher > the approach has deliberately been kept as simple as possible ...
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115 the definition of ... has been used because it has not been possible to determine ...
• определение... было использовано, т.к. невозможно было установить...English-Russian dictionary of phrases and cliches for a specialist researcher > the definition of ... has been used because it has not been possible to determine ...
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116 the fragmentation of information makes it possible ...
• дробление информации делает возможным...English-Russian dictionary of phrases and cliches for a specialist researcher > the fragmentation of information makes it possible ...
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117 the object of this paper is to extend and consider possible applications of ...
• цели этой работы в том, чтобы рассмотреть и расширить возможные применения...English-Russian dictionary of phrases and cliches for a specialist researcher > the object of this paper is to extend and consider possible applications of ...
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118 minimum possible
I think it possible — я это допускаю, я считаю это возможным
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119 whenever possible
I think it possible — я это допускаю, я считаю это возможным
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120 across-the-line starting (US)
прямой пуск вращающегося электродвигателя
Пуск вращающегося электродвигателя путем непосредственного подключения его к питающей сети.
[ ГОСТ 27471-87]EN
direct-on-line starting
across-the-line starting (US)
the process of starting a motor by connecting it directly to the supply at rated voltage
[IEV number 411-52-15]FR
démarrage direct
mode de démarrage d'un moteur, consistant à lui appliquer directement sa pleine tension assignée
[IEV number 411-52-15]
Рис. ABB
Схема прямого пуска электродвигателяMagnetic only circuit-breaker - Автоматический выключатель с электромагнитным расцепителем
Contactor KL - Контактор KL
Thermal relay - Тепловое реле
Параллельные тексты EN-RU
Direct-on-line starting
Direct-on-line starting, which is often abbreviated as DOL, is perhaps the most traditional system and consists in connecting the motor directly to the supply network, thus carrying out starting at full voltage.Direct-on-line starting represents the simplest and the most economical system to start a squirrel-cage asynchronous motor and it is the most used.
As represented in Figure 5, it provides the direct connection to the supply network and therefore starting is carried out at full voltage and with constant frequency, developing a high starting torque with very reduced acceleration times.
The typical applications are relevant to small power motors also with full load starting.
These advantages are linked to some problems such as, for example, the high inrush current, which - in the first instants - can reach values of about 10 to 12 times the rated current, then can decrease to about 6 to 8 times the rated current and can persist to reach the maximum torque speed.The effects of such currents can be identified with the high electro-dynamical stresses on the motor connection cables and could affect also the windings of the motor itself; besides, the high inrush torques can cause violent accelerations which stress the transmission components (belts and joints) generating distribution problems with a reduction in the mechanical life of these elements.
Finally, also the possible electrical problems due to voltage drops on the supply line of the motor or of the connected equipment must be taken into consideration.
[ABB]Прямой пуск
Прямой пуск, который по-английски часто сокращенно обозначают как DOL, является, пожалуй наиболее распространенным способом пуска. Он заключается в непосредственном (т. е. прямом) подключении двигателя к питающей сети. Это означает, что пуск двигателя осуществляется при полном напряжении.Схема прямого пуска является наиболее простым, экономичным и чаще всего применяемым решением для электродвигателей с короткозамкнутым ротором.
Схема прямого подключения к сети представлена на рисунке 5. Пуск осуществляется при полном напряжении и постоянной частоте сети. Электродвигатель развивает высокий пусковой момент при коротком времени разгона.
Типичные области применения – маломощные электродвигатели, в том числе с пуском при полной нагрузке.
Однако, наряду с преимуществами имеются и определенные недостатки, например, бросок пускового тока, достигающий в первоначальный момент 10…12-кратного значения от номинального тока электродвигателя. Затем ток двигателя уменьшается примерно до 6…8-кратного значения номинального тока и будет держаться на этом уровне до тех пор, пока скорость двигателя не достигнет максимального значения.
Такое изменение тока оказывает значительное электродинамическое воздействие на кабель, подключенный к двигателю. Кроме того пусковой ток воздействует на обмотки двигателя. Высокий начальный пусковой момент может привести к значительному ускорению и следовательно к значительной нагрузке элементов привода (ремней, крепления узлов), что вызывает сокращение их срока службы.
И, наконец, следует принять во внимание возможное возникновение проблем, связанных с падением напряжения в линии питания двигателя и подключенного к этой линии оборудования.
[Перевод Интент]
Тематики
Синонимы
EN
- across-the-line starting (US)
- direct line starting
- direct operation of a motor
- direct starting
- direct-on-line starting
- DOL
- full voltage starter application
DE
FR
Англо-русский словарь нормативно-технической терминологии > across-the-line starting (US)
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