Variable speed drives loads are the ______ type of loads. Constant current Constant impedance Constant Power ZIP load

The speed of a conventional motor is controlled by the frequency of the current and_______ a. resistance b. voltage c. the load on it d. number of poles

Another name of variable speed drive (VSD) isQuestion 7Answera.Variable Voltage/Variable Frequency (VVVF)b.Direct Torque Control (DTC)c.Field Orientated Control (FOC)d.Variable Frequency Drive (VFD)

What are various type of loadings? Distinguish clearly between uniformlydistributed load, uniformly varying load and triangular load.

A dynamic load is a Answer Question 10 or  a moving load.

VFD stands for variable frequency drive. When used in HVAc equipment and appliances they reduce noise, use less energy, and _________ a. can match the system demand b. eleminate motor line starting shock c. eleminate short cycling d. all are correct