# Rotating loop

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• ### Lecture Notes EEE 360 TOPIC 4 Synchronous Machine - Lecture 13

Concept: Generators convert mechanical energy to electric energy. Motors convert electric energy to mechanical energy. The construction of motors and generators are similar. Every generator can operate as a motor and vice versa. The energy or power balance is : Generator: Mechanical power = electric power + losses Motor: Electric Power = Mechanical Power + losses.

• ### DVP-PLC Application examples of programming

Basic program design examples, counter design examples, timer design examples, loop instruction design examples, elementary arithmetic operations design examples, rotation and shift design examples,... As the main contents of the document "DVP-PLC Application examples of programming". Invite you to consult.

• ### Eigensystems part 5

for (i=m-1;i=l;i--) { A plane rotation as in the origif=s*e[i]; nal QL, followed by Givens b=c*e[i]; rotations to restore tridiage[i+1]=(r=pythag(f,g)); onal form. if (r == 0.0) { Recover from underﬂow. d[i+1] -= p; e[m]=0.0; break; } s=f/r; c=g/r; g=d[i+1]-p; r=(d[i]-g)*s+2.0*c*b; d[i+1]=g+(p=s*r); g=c*r-b; /* Next loop can be omitted if eigenvectors not wanted*/ for (k=1;k