Las dos maneras de variar la velocidad en un motor de CC en derivación es ajustar la tensión y la corriente en el devanado de campo o el/la

a. reostato.
b. armadura.
c. controlador.
d. estátor.


b. armadura.

Trades & Technology

You might also like to view...

Oils with a higher viscosity rating should be used in colder temperatures.

Answer the following statement true (T) or false (F)

Trades & Technology

_______ are installed as close to the pump as possible so that components can be easily removed from the system.

a. Caps b. Tees c. Elbows d. Unions

Trades & Technology

A can of food with a domed top is a sign of food spoilage and should not be

opened.

Indicate whether the statement is true or false.

Trades & Technology

Which of the following statements is correct?

a. Electronic defrost controls use logic to determine the need for a defrost cycle. b. Mechanical defrost controls are significantly cheaper than electronic models. c. A defrost cycle starts as soon as the coil temperature is below the setpoint. d. Mechanical defrost controls base defrost cycles on time alone.

Trades & Technology