STANDBY CAPACITY OF PLAIN CABLE FEEDERS AND TRANSFORMER FEEDERS
Because of the sensitive nature of the vital and essential consumers with regard to personnel safety and production continuity, it…
-
-
METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (MOSFET)
Since the 1980s the power MOSFET has superseded the BJT in inverters for drives. Like the BJT, the MOSFET is…
-
SPECIAL FEATURES OF THE CURRENT LIMITING CIRCUIT BREAKER
In order to reduce the mechanical (due to electro-dynamic forces) and thermal stresses on the object to be protected, the…
-
METAL OXIDE VARISTOR
A metal oxide varistor (MOV) is built from zinc oxide disks in series and parallel arrangement to achieve the required…
-
SHUNT REACTIVE POWER COMPENSATION
Since most loads are inductive and consume lagging reactive power, the compensation required is usually supplied by leading reactive power.…
-
NEED FOR REACTIVE POWER COMPENSATION
Except in a very few special situations, electrical energy is generated, transmitted, distributed, and utilized as alternating current (AC). However,…
-
TECHNICAL COMPLEXITIES AND RISKS OF GRID INTERCONNECTIONS
The fact that interconnections between power systems are increasingly common does not imply that they are as simple as connecting…
-
GENERAL POTENTIAL BENEFITS OF GRID INTERCONNECTIONS
There are number of technical rationales for grid interconnections, many of which have economic components as well. Technical rationales for…
-
REACTIVE POWER AND ITS SOURCES
REACTIVE POWER: Reactive power is a concept used by engineers to describe the background energy movement in an Alternating Current…
-
BEHAVIOUR OF SHUNT REACTOR DURING EXTERNAL AND INTERNAL FAULTS
Shunt reactors are connected in parallel with the rest of the power network. Shunt reactor can be treated as a…