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Explain star connection

Anonymous

∙ 15y ago

Updated: 8/16/2019

A network star topology has all the clients connect to a central device, such as a hub or switch. The clients look like points of a star, hence the term star topology.

Wiki User

∙ 15y ago

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Q: Explain star connection

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What is the definition of star connection?

The definition of star connection is a connection of the ends of phase windings at the star point.

How do you convert star delta connection to delta star connection?

hahahaa

Where do you use star-star connection in electrical system?

i think its use for 3 phase connection.

What are star connection?

Compared with what?

What is the star point of a CT?

The term, 'star point', refers to the common point of connection for the three windings of a star-connected (wye-connected) transformer connection. The star point is usually earthed (grounded) and provides the neutral point of the connection.

Why does an electromagnetic brake designed for a star connection not work in delta?

Probably the reason is in the different voltages between the star and delta connection voltages. An electromagnetic brake designed for the lower voltage of the star connection would burn out or open when introduced to the higher voltage of the delta connection.

Why phase current is equal to line current in star connection?

Because it is the same current, as you can determine by examining a circuit diagram of a star connection.

How many terminals in star connection?

Explain the open delta fault in the power system.what is the use of the protection.?

There some kind of relays that need measure zero sequence voltage. For instance: - To polarize a phase-to-neutral distance relay - To detect a fault-to-ground in a system grounded by thre-phase generator with star connection. A TP in a star-open delta connection can provide a 3V0 information.

How will the speed and the slip of the motor change with increasing load in star wye and delta connection?

the speed decrease if increasing load..in star connection the speed lower

How much you can save the power from converting star delta connection to star connection?

The power of a three-phase load is the sum of the three individual loads. It makes no difference whether they are connected in star (wye) or in delta.

Why star connection used in transmission?

Transmission circuits are prone to earth faults.Only star connection permits flow of earth fault current and the operation of earth fault relays.