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What is the function of coupling capacitor in substation?

A coupling capacitor in substation is used for power line communication purposes. It used after the wave trap. The capacitance ranges from 2200pf to 10,000pf. It offers very low impedance to high frequency carrier signal and allows them to enter the line matching unit and offers a very high impedance path to low frequency signal or wave and blocks it for reaching the line matching unit. In short, it allows only those frequencies needed for communication purposes.


What is a line trap?

it is a high resistive paralell rezonans circuit which allows to cary signals between to electric station with limited bandwithAnswerLine traps are a large inductors, suspended at the end of a high-voltage transmission line which prevents high-frequency communications/protection signals from travelling beyond that point, by attenuating those signals. The inductive reactance of the inductor presents a high reactance to high-frequency signals but a low reactance to mains frequency (50/60 Hz).


What is principle of operation of wave trape?

In short wave trapes are specially used in high capacity power plant to communicate between two eletrical substation by using very high freq ( >50 Hz) through transmission lines, without using any extra arrangement of transferring media( like phone towers).


What is a mini-substation?

A substation that is smaller than the average substation. A substation converts electric power from one voltage to another.


What is pooling substation?

The Substation which comes power from the power plant know as pooling substation.


What is wave trap?

A wave trap is an object used in power line communications that is made up of several resonant circuits. A wave trap protects the power line from crashing by preventing high frequency waves from coming through.


When was Jefferson Substation created?

Jefferson Substation was created in 1909.


When was Neuhof Substation created?

Neuhof Substation was created in 1985.


When was Concourse Yard Substation created?

Concourse Yard Substation was created in 1933.


What is green field substation?

In my line of work that is an Electrical High Voltage substation that is brand new. It is being built from a green field into an energized fully functional substation yard. There is no existing substation or remodeling of an existing one being done.


What are the uses of microwaves in a substations?

Microwaves in substations are primarily used for communication purposes, providing reliable and high-speed data transmission between different equipment within the substation or to a supervisory control center. They can also be used for protection and control signaling, enabling efficient operation and monitoring of the substation equipment.


Where is the world biggest distribution substation?

The world biggest distribution substation is in DELHI TRANS CO .