rated breaking torque, Other Engineering

Assignment Help:
Consider a 3-hp, 220-V, 1800-r/min separately excited dcmotor controlled by a single-phase fully controlled rectifierwith an ac source voltage of 230Vat 60Hz.Assume that the full-load efficiency of the motor is 88%, and enough filter inductance is added to ensure continuous conduction for any torque greater than 25% of rated torque. The armature circuit resistance is 1.5 .

(a) Determine the value of the firing angle to obtain rated torque at 1200 r/min.

(b) Compute the firing angle for the rated braking torque at -1800 r/min

Related Discussions:- rated breaking torque

Transistor, Examining the circuit of an amplifier you’d find many electrica...

Examining the circuit of an amplifier you’d find many electrical components, of which all play a role only they can fulfill. Among these components, it is the transistor which pla

Ac/dc conversion, Circuit that is able to convert an AC voltage signal into...

Circuit that is able to convert an AC voltage signal into DC voltage signal

Composite materials - notation of axes, Notation for Body Axes The stan...

Notation for Body Axes The standard notation for the body axis sytem for aircraft dynamics. This sectionexplains the significance of the term body axis and develops the non-lin

Propeller balance, PROPELLER BALANCE There are two types of balance of ...

PROPELLER BALANCE There are two types of balance of importance when working with propellers: • Static Balance • Dynamic Balance Static balance is checked and corrected

Factors affecting accuracy, Factors affecting accuracy 1. The transduce...

Factors affecting accuracy 1. The transducer must be located in an appropriate place and with an appropriate orientation to measure the measurand accurately. 2. The introduc

Engineering signals, Engineering Signals A signal is a variation of a m...

Engineering Signals A signal is a variation of a measurable quantity that conveys information about the behaviour of a system. • A signal can depend upon a single variable o

What is risk management, Defined risk management Give suitable examples of...

Defined risk management Give suitable examples of risk management Explain beifly

Efficient market hypothesis, the nature and importance of the efficient mar...

the nature and importance of the efficient market hypothesis and comment on the implications for managers and investors?

Double acting feathering system, Double acting feathering system: To pr...

Double acting feathering system: To prevent excessive drag in the event of a propeller on engine failure, the double acting propeller as with the single acting propeller requir

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd