HVDC & AC TRANSMISSION & DISTRIBUTION SYSTEM FOR ELECTRICAL ENERGY

Generally there are two power transmission and distribution systems that are used to transmit electrical energy i.e. HVDC or High Voltage Direct Current transmission system and HVAC or High Voltage Alternating Current transmission system. Now let’s see the advantages and disadvantages of both power distribution systems. COMPARISION OF HVAC & HVDC SYSTEMS HVAC transmission is… Read More »

Isolation Transformer | Advantages of Isolation Transformers

Isolation Transformers are used in order to achieve many purposes and most important of them is the safety of the transformers, equipment they are feeding and of course safety of human involved. As you are aware that transformer is electrical device that has been used to convert or transform the current or AC voltage from… Read More »

Buchholz Relay Circuit For Transformer Protection

Buchholz Relay Circuit is used for Transformer Protection, as we know there are many defects and dangers during the operation of power transformer that need to be addressed and necessary measures to be taken. Some of the hazards to transformer protection include overheating, over current and short circuiting etc. Another class of fault that causes a transformer… Read More »

Electric Motors | Types History and Classification

What is an Electric Motor? An electric motor is an electromagnetic device that converts electrical energy into mechanical energy by applying the law of electromagnetic induction. The first ever electric motor was invented by William Sturgeon in 1832 which was not promoted as for commercial purposes. First commercially successful electric motor was created in 1873.… Read More »

Variable Frequency Drive VFD Motors Principle & Equation

What is a VFD? As the name describes VFD or Variable Frequency Drive is motor controller that drives an electric motor by applying the varying frequency and voltage to the electric motor that are used in the case where we need to change the speed of motors depending upon the load requirements. Other names for… Read More »

O&M Manual For 48 V DC Battery & Charger for 11KV Switchgear | Emerson Chloride

You can download the o&m manual or operation manual for 48 V DC Battery & Charger  for 11KV Switchgear which is given for Chloride models and provided by Emerson Network Power. Download Link for o&m manual is given at the end of this page which contains full detail about the operating instruction of the battery charger.… Read More »