When selecting the type of transformer correctly electrical engineer needs to know its different electrical and thermal properties and the resistance to stresses due to faults or normal service of… Read more
Sep 26, 2018 | By Edvard
Busbars play an important role in power transmission and distribution. They are employed as a central distribution point for all feeders. In the case of a fault, current on the… Read more
Sep 24, 2018 | By Edvard
The full-load current at a given voltage indicated on the nameplate is normative for setting the overload relay. Because of the variable voltages around the world, motors for pumps are… Read more
Sep 19, 2018 | By Edvard
This approach assumes retrofitting and upgrading old substation secondary equipment such as intelligent electronic devices (IEDs), monitoring sensors, power apparatus, communication protocol and operating standards to improve the overall performance… Read more
Sep 17, 2018 | By Edvard
High voltage transmission systems has a dual purpose, i.e. system interconnection and bulk-energy transfer. With reference to system interconnection, the need to operate the whole system in perfect synchronism often…...
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Sep 14, 2018 | By Edvard
Most of HV busbar faults involve single-phase and earth, but faults may arise from many different causes. The number of faults that stand out is between phases clear of earth…. Read more
Sep 12, 2018 | By Edvard
One of the most common faults to occur on a motor is a stator winding fault. Whatever the initial form of the fault (phase phase, etc.) or the cause (cyclic… Read more
Sep 10, 2018 | By Edvard
Various types of instrument transformers are currently in use on the basis of the varied applications of these devices. The construction aspects and sizing play an important role in the… Read more
Sep 05, 2018 | By Edvard
Electrical distribution systems are an essential part of the electrical power system. In order to transfer electrical power from an alternating current (AC) or a direct current (DC) source to… Read more
Sep 03, 2018 | By Edvard