scholarly journals Inversion of the Rotating Direction of a Current-Fed Closed-Loop Controlled Asynchronous Machine

1977 ◽  
Vol 10 (10) ◽  
pp. 433-442
Author(s):  
B. Trannoy ◽  
B. de Fornel ◽  
M. Grandpierre
Keyword(s):  
Closed Loop ◽  
Asynchronous Machine ◽  
A Current

COMMUTATION CONTROL DURING SPEED REVERSAL OF A CURRENT-FED ASYNCHRONOUS MACHINE

1981 ◽  
Vol 6 (6) ◽  
pp. 469-478
Author(s):  
B. de FORNEL ◽  
J. C. HAPIOT ◽  
Ch. SAUBION
Keyword(s):  
Asynchronous Machine ◽  
A Current

scholarly journals None zero circulation of electrostatic field around a partly electrostatic shielded loop

2021 ◽  
Author(s):  
Yannan Yang
Keyword(s):  
Electric Field ◽  
Energy Conservation ◽  
Electric Current ◽  
Electrostatic Field ◽  
Closed Loop ◽  
Loop Current ◽  
Line Integral ◽  
The Law ◽  
A Current

Abstract In this article, a loop that is partly electrostatic shielded is analyzed. It is found that the line integral of electrostatic field around this loop is not zero. This is against the theorem that the line integral of electrostatic field around any closed loop is zero and the curl of electrostatic field is zero. When the loop is made of conductor wire, there is no electric current flowing around the loop although the line integral of electric field is not zero. A loop current driven by electrostatic field will break the law of energy conservation, so it is expected and reasonable that we cannot observe a current in the loop.

Numerical speed control of a current-fed asynchronous machine by measurement of supply voltages

1984 ◽  
Vol 131 (4) ◽  
pp. 165 ◽  
Author(s):  
B. de Fornel ◽  
J.L. Bach ◽  
J.C. Hapiot ◽  
M. Pietrzak-David
Keyword(s):  
Speed Control ◽  
Asynchronous Machine ◽  
Supply Voltages ◽  
A Current
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