Draw a neat circuit diagram of class F commutation

1 Answer

Answer :

class F commutation

image

Related questions

Description : Draw circuit diagram of Class B commutation.

Last Answer : Class B: Resonant Pulse Commutation:

Description : For a class D commutation, answer the following: i) Explain the operation with circuit diagram. ii) Interpret with waveforms.

Last Answer : Class D commutation: This is also called as auxiliary commutation because it uses an auxiliary SCR to switch the charged capacitor across conducting SCR to turn it off. In this scheme, the main ... make SCR1 forward biased and keep ready for next triggering. The above cyclic process is repeated.

Description : Class A Load Commutation

Last Answer : Class A: Load Commutation: The class A or load commutation (also called self-commutation or resonant commutation) is employed in thyristor circuits supplied from DC source. The commutating components include ... biased. Thus the zero-current and reverse-bias cause the thyristor to turn-off. 

Description : Class D commutation

Last Answer : Class D commutation: This is also called as auxiliary commutation because it uses an auxiliary SCR to switch the charged capacitor across conducting SCR to turn it off. In this scheme, the main ... make SCR1 forward biased and keep ready for next triggering. The above cyclic process is repeated.

Description : Explain auxiliary commutation with a neat diagram. Also draw its waveform.

Last Answer : Auxiliary Commutation At start, the Ta is triggered and turned on to carry the load current. Due to the resonant circuit R-L-C, the current initially rises, attains peak and then falls to ... , the firing of auxiliary SCR commutates the main SCR, hence name is auxiliary commutation.

Description : 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

Last Answer : 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 voltage notching

Description : Define armature reaction in an alternator. Explain the effect of armature reaction at various P.F. of loads of alternator.

Last Answer : Armature Reaction: The effect of armature flux on main flux is called as armature reaction.  Armature Reaction at Various Power Factors: When armature is loaded, the armature flux modifies ... lagging p.f. For capacitive loads the effect of flux is partly distorting and partly strengthening.

Description : Differentiate between Natural and Forced commutation

Last Answer : Natural commutation Forced commutation Source is AC Source is DC External commutating componants are not required  External commutating componants are required SCR turns off ... in controlled rectifiers, AC voltage controllers etc.  Used in choppers & inverters etc

Description : Define commutation. Give the types of commutation.

Last Answer : Commutation: The process of turning-off a conducting thyristor is called commutation . Types of Commutation: i) Line commutation (Natural commutation) ii) Load commutation iii) Forced commutation iv) ... Auxiliary commutation v) Class E: External pulse commutation vi) Class F: AC line commutation

Last Answer : Satisfactory commutation of D.C. machines requires brushes should be of proper grade and size, brushes should smoothly run in the holders, smooth, concentric commutator properly undercut.

Description : In a thyristor D.C. chopper, which type of commutation results in best performance ?

Last Answer : voltage commutation

Last Answer : By using some circuit the forward DC current of thyristor is forced to zero is called forced commutation.

Last Answer : Natural commutation is also called as line Communication. The turning off of thyristor due to AC supply is called natural commutation or line commutation. If the thyristor is connected to AC supply ... connected to positive and anode terminal get connected to negative, this turns off the thyristor.

Last Answer : Thyristor commutation means turning off thyristor.

Description : What can I expect from a Human Sexuality college class? (besides the obvious)

Last Answer : I took it in college. It wasn't all OMG this is a condom going on a cucumber . Mostly shit about gender roles and so on. And there could be things to break the ice. My econ 201 professor tossed ... class. And smartphones wouldn't be a thing for a decade. My god. Teachers must be so miserable now.

Description : What economic class are you in (check according to location, income and household size)?

Last Answer : upper tier whatever the hell that means. There is a lot of old money in this town so there are a lot of people who can afford not to work. This drives up housing where it's out of reach for many ... get here though. Thing is, all that could go away in a real hurry with job loss or health issues.

Description : How much did race and class affect the Georgia case where a 16 yo girl received a 40 year sentence for accidentally shooting a man during a robbery gone bad?

Last Answer : answer:I haven't yet read the article and will google it more later when I have time. Right off the bat, my guess is that it's considered armed robbery and a whole bunch of charges attached ... happened. Do we as a society want people running around loose who shoot and kill people for Playstations?

Description : Is there a difference between political correctness and class?

Last Answer : I don’t really equate political correctness with class, but with kindness. Going out of your way to avoid needlessly hurting people is a nice thing to do. While Trump’s insults are crude, they are also cruel…he goes out of his way to hurt people on purpose.

Description : What social class are you and how do you detremine which class that you belong to?

Last Answer : Part of the dying middle class.

Description : Class (classroom) management tips?

Last Answer : answer:Address is directly in class. Talk about the impact of talking. You might invite those who plan to talk to do so outside the class, leaving those in the class with an atmosphere where they can learn. ... talk extra credit. Oh so many things to try, and I'm sure there are a million more ideas.

Description : What is the best way to construct a class?

Last Answer : answer:Take a constructivist approach. Draw and build on their existing knowledge. They are coming to the class with some understanding of what they need this system to do. They have probably used ... as a group and individually. Provide some takeaway materials they can refer to after the class.

Description : I have class and summons for jury duty on the same day, what to do?

Last Answer : answer:Talk to the professor teaching the class and let them know you have jury duty. The school cannot use your serving on jury duty as an excuse to deny you a spot in the class if one comes open. But they can deny you if you don’t inform them first.

Description : What are some good articles/documents you've read as of late about class stratification and/or poverty?

Last Answer : There was a four part series in the NY Times about 5 years ago on Class Matters. I assume you have access to their database; you might find one of them useful if it is current enough for your use.

Description : Do I have a right to be disgusted with my Differential Equations class...

Last Answer : Yeesh! Can he really not do them at all or is he just pausing longer than you think he should need to? I know my brain gums up when I try to do math in front of people. Although you’d think a Diff EQ professor wouldn’t have that problem.

Description : What or who makes the ”Fashion Police” the voice of class and taste in dress?

Last Answer : Equal parts insanity, classism, and drugs.

Description : Shouldn't college have a tattoo 101 class?

Last Answer : Not in the sense your examples describe. That's silly If you are planning on getting a tattoo, hopefully your tattoo arist can give you the basic information one would need. Most are professionals and ... That's up to your place of employment. On the other hand, tattoo's fit into anthropologie?

Description : Would you take a Women's Studies class with a male instructor?

Last Answer : Yes I would. I actually was talking about that to another friend once.

Description : Is it money that determines your social class? If so what are the levels and amounts for each?

Last Answer : In the U. S. there is no specific “social class”. There may be a de-facto division between “have” and “have not”, but only because those with more money have more leisure time, and the ability to pursue expensive hobbies, and others do not.

Description : What did you cover in your college level beginning drawing class?

Last Answer : Perspective, Line, Composition, Shading, Direction, Size, and Texture

Description : Is it rude to not take notes during class?

Last Answer : i don’t think so. If you look attentive and interested they appreciate that even more.

Description : Should I skip class to watch the innaugeration?

Last Answer : Im sure professors will understand that this is a big event and wont have a full class

Description : Why are students late for class?

Last Answer : They get caught up checking their email.

Description : What is a high school class of distinction (not graduation class year)?

Last Answer : Say again. please?

Description : Class Osteichthyes

Last Answer : CALIFORNIA HALIBUT (Paralichthys californicus)  Habitat: Sandy bottoms to 60 m from Washington to Baja California. Size: 1.5 m (5 ft) and 72 lbs Position in food web: Carnivorous: ... be identified by the three yellow vertical bars on the mid-body Relatives: Numerous species of perch

Description : State the insulating materials used in motor. Write temperature class and withstand temperature ranges for them. 

Last Answer : The insulating materials used in motor are as belows: 1. Cotton, 2. Silk, or paper, 3. Press board, 4. Resins 5. PVC 6. Cellulose-Fiber, 7. Enameled coating, etc  ... Over 180° Mica, porcelain, ceramics, glass quartz, asbestos, treated glass fiber or treated asbestos. etc.

Description : State two applications of : (i) PVC paper (ii) Porcelain with type of class based on withstand temperature is insulating material. 

Last Answer :  (i) Application of PVC paper : 1. It is used in slot lining or motor winding insulation purpose 2. For Insulation of Transformer winding (ii) Application of Porcelain : 1. Mainly used for manufacturing ... on withstand temperature : * H' & C' Class of insulation i e. 180° and above 180°C 

Description : State the type of insulating materials under Class Y and Class B.

Last Answer : The type of insulating materials under Class Y : 1. Cotton  2. Silk 3. Paper 4. Rubber 5. PVC The type of insulating materials under Class B: 1. Backelite 2. Impregnated varnish 3. Mica 4. Fiber glass 5. Asbestos 

Description : Draw circuit diagram for π filter and explain its working with waveforms.

Last Answer : Working of a Pi filter: In this circuit, we have a capacitor in parallel, then an inductor in series, followed by another capacitor in parallel. Capacitor C1 − This filter capacitor ... any ac component present in the signal to pass through it, which the inductor has failed to block.

Description : Why would a billionaire like Robert Kraft go to a storefront massage parlor to find prostitutes?

Last Answer : The “degradation” of going to low level prostitutes is part of the thrill.

Description : Am I being paranoid or is my boss trying to demote me?

Last Answer : You said the colleague has been there longer. Longer means more experience. Maybe your boss wants experience for the tasks at hand. As for the other questions, only way to know is to ask.

Description : Who here likes building stuff with wood. Like sheds or doors?

Last Answer : i took a class at Evening College in 1999 with my wife. We each made a colonial style blanket chest. It looked something like this one .

Description : What will my overall grade be?

Last Answer : (53.81x .7)+ (100x.3) = 67.67% Probably not what you wanted to hear, sorry. It’s always best to go talk to your instructor if you are doing poorly as early as you can.

Description : What's classy if someone's well-off, but trashy if someone's poor?

Last Answer : I’ve always thought “trashy” and “classy” were judgments more in the mind of the beholder than the beholdee.

Description : Where do you feel the line between the haves and have nots should be drawn?

Last Answer : answer:This question is terribly confusing. Are you intending to imply that the bulk of the top 1% should be part of the have nots ? I don't think that's what you're driving at, but ... into a rental home that isn't literally falling apart, and being able to afford food without state assistance.

Description : Did you ever discover you have or had a nemesis, or distracter?

Last Answer : No. I just ignore people like you.

Description : Is it acceptable to ridicule people from "lower" socioeconomic or social classes?

Last Answer : My thought is that ridiculing someone for any reason is wrong. What’s the point of doing it except that it makes the ridiculer feel superior?

Description : Do you consider yourself to be a classy person and why?

Last Answer : I think the term “classy” is so 1960’s.

Description : Why is a person's "label" sometimes deemed as a valid dismissal to any argument?

Last Answer : I agree. Dismissing arguments based on labels, either self-appointed or given, is a cop-out. Discuss the points raised. Dismissing out of hand' is not ok. It is perfectly ok to point out ... in understanding and drawing out facts and help you counter any points. Labels are for boxes. Not people.

Description : Has a misspelled word so flummoxed you that you never forgot the episode? [Story ahead!]?

Last Answer : There's a door at my school that says All visitor's must use the other entrance. When I worked at a hotel, a maid would always spell towel as tawel, queen as quin, and laundry as ... English-native speakers at the front desk taking reservations was when I explained how win was spelt Nguyen .

Description : Are standardized tests really racially-biased?

Last Answer : Who said it was racist? Public schools have standardized testing, it’s 2015, black kids have the same exact resources available to them as anyone else attending public school.