Distributions systems represent an important parts in the electrical grids and for this reasons the electrical generation & distribution companies delicate approximately 40% of the capital investment for distribution systems while the remaining is given to generation and transmission (40% generation & 20% transmission). The power distribution system is particularly important for an electrical utility… Read More »
A sinusoidal voltage can be described by the equation: v(t) = VM sin (ωt + Φ) or v(t) = VM cos (ωt + Φ) where v(t) Instantaneous value of the voltage, in volts (V). VM Maximum or peak value of the voltage, in volts (V) T Period: The time taken for one cycle, in seconds… Read More »
Transformers Fittings In order to install a medium voltage transformer below is the list of necessary fittings: Plain bi-directional rollers with blocking facilities. Skid base, lifting and jacking lugs Neutral and earthing terminals Rating and terminal marking plates Transformer Thermal Protection Temperature protection shall be incorporated to prevent thermal overloading of the power transformers. BMS… Read More »
The electrical method statement below provides the brief steps to be carried out during the AC High voltage testing. Method statement applies to the testing of 11 KV switchgear. Testing and commissioning engineer / responsible person shall obtain all necessary clearances and safety document from concern authorities. He shall ensure the work is done as… Read More »
This page provides steps for successful installation of medium voltage electrical switchgear panel on a construction project or building. The method of statement describes the procedure for material delivery inspection, installation and inspection of MV switch gears. Project Manager is the overall responsible person for the process of implementation of the work methods. The Construction… Read More »
Electrical switchgear are very important part of any electrical distribution system. Switch gears are used for many purposes like protection, isolation from live parts and switching operation. A switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment… Read More »