Use of Bus Reactor and Line Reactor

NATIONAL ELECTRICAL CODE 2011
IS 732: Code of Practice for Electrical Wiring Installations (Third ...
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In most cases when a line is disconnected from a substation the associated line reactor is also disconnected/isolated from the bus.

The bus reactor is for maintaining the inductance of the system when the line reactors) are out of service andalso to supplement the system on an as-needed basis.

Any time a line is connected to the bus and the bus reactor is on-line/active the inductance is presented both on the line and on the bus and vice versa.

Inductance values are additive and the amount of inductance added to the system is controlled by the power grid management system.

Adding inductance to a system is used to offset the capacitance of the line(s) which varies due to load, humidity, weather, line distance, generator excitation, and temperature.

A line reactor and bus reactor are interchangable as long as they are rated for the same voltage however, the system may suffer power factor issues if there is not enough inductance available to satisfy the system design dynamics.

The method required for interchanging a bus reactor with a line reactor is dependent on the substation physical layout design, location of ADS, and bus configuration.

If the interchange is not facilitated by switching configuration it may be possible to install temporary interconnecting cables an/or overhead jumpers to make the needed connections. (To be performed by trained, professional, competent personnel only.)

does it mean that bus reactor and line reactor are same in construction and technical features???i mean the difference in name is just because of the application that one is connected with line and another with bus?????