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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 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.
What are the advantages of using symbols in circuit diagram?
The advantages are the same as using symbols in writing to represent the words.
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.
What is a timer in a star delta starter?
A timer in star delta starter for a three phase motor is an electronic device designed to do the change over or transition from star connection - using which the motor suns on a reduced voltage and current and produces less torque - to the delta connection necessary for running the motor at its full power, using high voltage and current to produce a high torque. The timing interval that is set is dependent how long the motor needs to start up from standstill to normal speed. Some motors require 15 seconds for the initial startup in star connection and after that given value of time the timer signals to the star contactor to go to the open position and the main delta contactor to go to the closed position, thus forming the delta circuit.
What are the advantages of using a delta connection?
A delta connection requires only three wires while a Y connection requires 4 wires.
What are the advantages of using swa cable?
Because of it stell wire can be use as earth connection
Why the load must be delta connection instead using star connection?
in order to reduce the impact of fault current...
How many contactors using in star connection of motor?
two contecter <<>> There are three contactors used in a Star Delta configuration.
What connection that increases voltage?
by using Y-Y(Star) transformer..... bcoz in star VL = root 3* Vph
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.
What are the advantages of using a wye connection in a sewer system?
Using a wye connection in a sewer system allows for easier maintenance and cleaning, reduces the risk of clogs and blockages, and provides better flow control.
How do you convert star delta connection to delta star connection?
hahahaa
What are the advantages of star?
Advantages:* Good performance * Reliable (if one connection fails, it doesn't affect others)* Easy to replace, install or remove hosts or other devicesDisadvantages:* Expensive to install * Extra hardware required
What are the advantages of using a single speed groupset for cycling?
Using a single speed groupset for cycling can offer advantages such as simplicity, lower maintenance requirements, lighter weight, and a more direct connection between the rider's pedaling and the bike's movement.
Advantages and disadvantages of series connection?
the series connection is in one wire
Where do you use star-star connection in electrical system?
i think its use for 3 phase connection.
