Development And Research On Soft Starter With Flameproof Structure And Material Safety In The Ore

In the controlled field of modern industry, it is a very important subject for research to exchange the starting of the motor and control all the time, exchange motor to be soft to start , start with their steady starting , striking electric current little , contactless , energy-conservation advantage, widely used in transmitting electrically. To pressing the soft starter to require in China's explosion-proof of special workplace at home at present, this text has put forward a kind of comparatively ideal exchanging the soft design plan that starts of the motor through producing and concurrently safe type of essence , separate , produce and concurrently essence safe anti-blast technology with soft to start technology organic to combine , develop , finish to exchange electrical machinery , examine through the national-level monitoring center smoothly, achievement its through measure , determine , establish for Henan Province scientific technological achievement and new high-tech product of Henan Province.This text chapter two carried on theory analysis to the starting course of the motor, have analyzed starting the course and electric leakage softly in operating of electrical machinery of the electrical machinery in detail in terms of theory, the electric characteristic and corresponding protection principle of common trouble such as shorting out , disconnected looks , overload. On the basis of comparing various and starting way pluses and minuses synthetically , consider colliery this special environment makes the anti-riot and protects demanding in the pit fully, have proposed adopting separating producing and concurrently the essence safe type anti-blast technology motor start technology softly in the application method in the pit of the colliery.This text chapter three proceed from angle of global design of starter , explain ore with through produce and concurrently essence safe type exchange motor soft main operation principle of starter, propose main design plan of circuit , expound the fact electric current value that brilliant floodgate in charge of and able to bear basis and method that choose of pressing etc. emphatically. Require to explosion-proof , analyze measure taken in soft anti-blast structural design of starter, so as to ensure the requirement of foot GB3836- 2000 , MT/T943- 2005, through the safe circuit of essence, in order to limit its energy, make it or under standard experimental condition in normal running , spark or thermal effect produced can light explosive mixture around, to further...