What are the main causes of harmonics?

Last Answer : Effect of Harmonics on the Transformer: 1. Core loss: Harmonic voltage increases the hysteresis and eddy current losses in the lamination. The amount of the core loss depends on ... small core vibrations. 5. Saturation problem: Sometimes additional harmonic voltage causes core saturation.

Slot harmonics are reduced in induction motors by using

Description : Slot harmonics are reduced in induction motors by using (A) fractional-pitch windings (B) fractional-slot windings (C) integral-slot windings (D) distributed windings

Last Answer : Slot harmonics are reduced in induction motors by using fractional-slot windings

Harmonics in transformer result in?

Last Answer : Harmonics in transformer result in increased core losses, increased I2R losses, and magnetic interference with communication circuits.

State the need for reduction of harmonics in inverters.

Description : State the need for reduction of harmonics in inverters. Enlist the various methods for reduction of harmonics in inverter output.

Restless inquiring about causes and solutions?

Description : Restless inquiring about causes and solutions?

Last Answer : Is there something “eating away” at you, worrying you at the back of your mind? Or are you you not happy with a choice of yours so you can’t settle down?

Thyroid Cancer Causes

Description : Thyroid Cancer Causes

Last Answer : First, you have to know how cancers, in general, develop. Cells, the basic unit of our body, have a life cycle. They grow and divide to form new cells. Old cells die. This process occurs according ... factors don't have it. The best way to make sure is to visit your doctor for checkups regularly.

Mouth Cancer Causes

Description : Mouth Cancer Causes

Last Answer : Mouth cancer or oral cancer, is one of the most dangerous types of cancer that is becoming prevalent in our society nowadays. It can target almost any area of the oral cavity. This type of ... infection. This is the reason why people who are prone to oral sex activities develop mouth cancer.

Gastroenteritis - Causes, Symptoms, Treatment

Description : Gastroenteritis - Causes, Symptoms, Treatment

Last Answer : Gastroenteritis Information Gastroenteritis, also known as stomach flu, is an inflammation of the body's gastrointestinal tract, which includes the intestines, stomach, esophagus and mouth. This tract is ... can be dangerous. Their bodies might be unable to battle the infection on its own.

Chest Pain Causes

Description : Chest Pain Causes

Last Answer : Chest pain is a symptom rather than a disease and before the pain can be treated, the underlying cause has to be identified by a doctor. There are various medical problems that can cause ... ever experienced. Medical help and treatment must be sought immediately as aortic dissection is often fatal.

Causes of Lymphedema

Description : Causes of Lymphedema

Last Answer : There are several factors that can cause lymphedema. The causes are divided into primary and secondary, which serves also as its classification. Primary lymphedema is caused by hereditary ... lymphedema, treatment is available to prevent swelling from worsening or from complications from arising.

Symptoms of Back Pain Causes And Tips

Description : Symptoms of Back Pain Causes And Tips

Last Answer : Symptoms of Back Pain Causes And Tips Back pain is the most common complaint heard among the adults these days. It has been estimated that people do suffer from back pain at least once in their ... night sleep that will recover from all the bodily disorders and you wake up fresh the next morning.

Acne Causes And Tips

Description : Acne Causes And Tips

Last Answer : Acne Causes And Tips Acne is a condition of the skin that causes zits or pimples. It includes blackheads, whiteheads, inflamed skin patches like cysts and reddish skin. It is a disorder of the ... skin needs enough rest to rebuild and repair. Women should avoid heavy makeup and oil based lotions.

State the external causes of failure of electrical equipment.

Description : State the external causes of failure of electrical equipment.

What causes diodes to fail in alternator?

Description : What causes diodes to fail in alternator?

Last Answer : alternator

what are the causes of noise in transformer?

Last Answer : Transformer noise is generated due to vibration of core and winding this is because of magnetostriction and magnetomotive force.

List the main parts of D.C. motor

Description : List the main parts of D.C. motor

Last Answer : Main parts of D.C. motor and their functions: Part Functions Yoke i) Provides mechanical support for poles. ii) Acts as protecting cover for machine. iii) Carries magnetic flux. ... a fixed physical position relative to the stator. Shaft Used to transfer mechanical power

What are the main electrical equipment used in HPS ? State the function of each parts of it in brief.

Description : What are the main electrical equipment used in HPS ? State the function of each parts of it in brief.

Last Answer : Following Main Electrical Equipment used in HPS & their function: 1. Alternator 2. Exciter 3. Transformer 4. Switchgear Function : 1) Alternator:- Alternator is coupled to ... part from the healthy section. It contains circuit breaker, relays, switches and other control devices.

List out main components of Diesel power station.

Description : List out main components of Diesel power station.

Last Answer : Main components of Diesel power station: 1) Diesel Engine 2) Engine Air intake system 3) Engine Fuel System 4) Engine Exhaust system 5) Engine cooling system 6) Engine Lubricating system 7) Engine Starting system 8) Diesel Engine Generator (Alternator)

List out main components of Reactors.

Description : List out main components of Reactors.

Last Answer : List the main components of Reactors: 1. Core 2. Nuclear fuel (U235) 3. Moderator 4. Control Rod 5. Reflector 6. Reactor vessel 7. Shielding

How rating of main switch and cable is selected for Industrial Installation.

Description : How rating of main switch and cable is selected for Industrial Installation.

Last Answer : 1. Rating of Main Switch or Fuse Rating is decided in industrial installation: Rating of main switch or fuse is based up the starting current of motor. For calculating starting current is considered 2 ... take 1.5 times the rated current or full load current. & thus cable rating is decided.

The main advantage of AC over DC is:

Description : The main advantage of AC over DC is: (A) Conversion flexibility from one voltage level to other (B) AC can be easily converted into DC by using a rectifier (C) AC is easy to maintain & can be easily distributed at long distances (D) All of the above

Last Answer : Ac is easy to maintain and ac can be easily converted to dc by rectifier .There is no commutator for conversion in ac that's why ac machines are weight less and more efficiency.ac machines occupy less space than dc .

The main objectives in framing tariff are:

Description : The main objectives in framing tariff are: (A) The consumers must readily understand the tariffs (B) The tariff must be equitable amongst different consumers (C) Tariffs can be modified from time to time (D) All of the above

Last Answer : The main objectives in framing tariff are: (A) The consumers must readily understand the tariffs (B) The tariff must be equitable amongst different consumers (C) Tariffs can be modified from time to time (D) All of the above

In main line service as compared to urban and suburban service?

Last Answer : In main line service as compared to urban and suburban service distance between the stops is more, maximum speed reached is high, acceleration and retardation rates are low.

In split phase motor main winding is of?

Last Answer : In split phase motor main winding is of thick wire placed at the bottom of the slots.

Discrimination between main and backup protection is provided by the use of relays which are?

Last Answer : Discrimination between main and back up protection is provided by the use of relays which are slow.

The main function of a fuse is to?

Last Answer : The main function of a fuse is to prevent excessive currents.

What is the main disadvantage of phase advancers?

Description : What is the main disadvantage of phase advancers?

Last Answer : It cannot be used for motors below 20 H.P.

What is the main purpose of electroplating?

Description : What is the main purpose of electroplating?

Last Answer : Protecting reactive metals from corrosion.

What is the main use of a transistor?

Description : What is the main use of a transistor?

Last Answer : Main use of a transistor as amplifier and as switch.

What are the main parts of a generator?

Description : What are the main parts of a generator?

Last Answer : the main parts of the generator are as follows yoke Armature Poles field winding Prime mover Commutator Shaft Bearings Brushes

What was the cause of the fire?

Description : What was the cause of the fire?

Last Answer : The only fire that I know about personally (neighbor down the street) was caused by a short circuit of some type in the wiring of a power outlet, in the little box in the wall. What they ... the house was pretty well destroyed. Insurance fixed everything, and they moved back in 4-5 months later.

Abdul007 · Answer 1 · 2018-10-10T17:50:45+0000

Harmonic is a non linear load because linear load voltage deviated due to connection of some electrinie device such as converter,inverter

What are the main causes of harmonics?

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