# A rotory converter can also be run as a?

16 views

A rotory converter can also be run as a synchronous motor.

## Related questions

Which type of heater is cheapest to run?

The percent resolution of an 8 -bit D/A converter is

A 3 -phase, fully controlled, converter is feeding power into a DC load at a constant current of 150 A, the rms value of the current flowing through each thyristor of the converter is

The no-load speed of a single-phase SCR bridge converter fed separately excited dc motor operating at a firing delay angle, α and flux, Φ (A) directly proportional to α and Φ (B) inversely proportional to α and Φ (C) directly proportional to α and inversely proportional to Φ (D) directly proportional to Φ and inversely proportional to α

A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is (A) 4.5 V (B) 6.75 V (C) 9 V (D) 13.5 V

In a 230 V, 50 Hz single-phase SCR bridge converter operating at a firing delay angle, α and with large R-L load, the input source current is (A) sinusoidal current (B) constant dc current (C) continuous rectangular pulses (D) alternating rectangular pulses

In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in (A) voltage notching (B) harmonic distortion (C) voltage sag (D) voltage swell

Describe the gate circuit for a single phase full converter.

In voltage source converter based HVDC transmission system the active power is controlled by changing (A) phase angle of the converter ac input voltage (B) supply frequency of the converter ac input voltage (C) magnitude of the converter ac input voltage (D) DC voltage at the inverter terminals

Why the power factor of semiconverter is better than full converter?

Explain buck or step down converter and draw its waveforms.

Explain the operation of full bridge converters with their different operating modes. State its advantages and disadvantages.

single phase full converter

Explain flyback converter and draw its waveforms.

Explain buck boost converter and draw its waveforms.

What is Analog to Digital Converter (ADC) ?

Digital to Analog Converter (DAC)

what is Cuk converter and draw its waveforms.

The active power of a synchronous generator can be varied mainly by (a) changing field excitation (b) changing of prime mover speed (c) both (a) and (b) (d) none of the above

A synchronous motor can be made self starting by providing?

An induction type energy meter is found to run fast. Correction for this error can be made by  (A) Over-load compensation. (B) Voltage compensation. (C) Moving the brake magnet away from the centre of the disc. (D) Moving the brake magnet towards the centre of the disc.

Can we use the synchronous motor as the synchronous capacitor?

An iron cored inductance coil can be modelled, over a normal operating range of networks ,as A) non-Linear bilateral element B) linear bilateral element C) linear time varying element D) non-linear time invariant element

The synchronous motor can be used as a capacitor • By increasing excitation • By decreasing excitation • By increasing speed • By decreasing speed

Of the following, ____ would be considered as a way through which a computer virus can enter into a computer system.  a) E-mail with attachments b) Downloading the data from sites c) Operating the system without antivirus software d) All of the above

A second order system shows 100% overshoot in its unit step response. It can be categorized as (A) underdamped system. (B) overdamped system. (C) Critically damped system. (D) undamped system.

Computer keyboard can be classified as ________device. A. Memory B. Input C. Output D. Storage

Which of the following can be used as a primary memory? A) Magnetic Tape B) RAM C) Optical Disk D) Hard Disk

A keyword can be used as an identifier by using the  A) prefix # B) prefix @ C) prefix \$ D) prefix x

A 339 IC is an example of a fourteen-pin DIP that can be made to function as a ________:  (1) Comparator (2) 555 timer (3) D to A converter (4) Ladder network

A motor which can conveniently be operated at lagging as well as leading power factors is the:   (A) squirrel cage induction motor (C) synchronous motor (B) wound rotor induction motor (D) DC shunt motor

Which of the following can be used as a primary memory?  A) Magnetic Tape B) RAM C) Optical Disk D) Hard Disk

A d.c. motor can be looked upon as d.c. generator with the power flow?

Which type of earthing is also called as 'fire earthing'? A. Plate earthing B. Rod earthing C. Strip earthing