Opinion Writing For Class 9 To 12

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The shock not repeating current abroach: the greatest current abroach which course causes excess of the most admissible temperature of transition but which influence during service of a tiristor is supposed rare, with limited number of repetitions – 750 A.

The explanatory note to an academic year project consists of theoretical and actually design part. The theoretical part includes the review of standard schemes of creation of the operated rectifiers, merits and demerits of each scheme are described.

Regulation of level of tension is conducted at the expense of a delay of the moment of turning on of the next gate. Average value of the straightened tension will be less than the straightened tension on a secondary winding of the transformer of Tr The more  delay corner, the tension less straightened.

Transformation of an alternating voltage to the constant is based on property of gates to pass current only in one direction. As the power straightening gates we will choose VO1 optotiristor – VO6 that will allow to exclude pulse transformers from the scheme of management of tiristor.

Regulation is conducted at the expense of a delay of the moment of turning on of the next gate Average value the straightened Ud tension determined by the shaded area there will be less Ud The more  delay corner, the it is less than Ud.