A Website on Maintenance of Electrical Systems

  Transformer oil is the lifeblood of power transformers, it serves as both an insulating medium and a cooling agent. Over time, this vital fluid can degrade due to contaminants like moisture, dissolved gases, solid particles, and even acidic compounds. These contamination compromises the oil's dielectric strength and cooling efficiency, posing a significant risk to the transformer's performance and longevity.  The transformer oil needs to be absolutely clean and dry and this is where a transformer oil purifier or filtration machine comes in. There are 3 main technologies used in oil purification systems, and they are named below. 1) Centrifuge Filtration 2) Vaccum Dehydration  3) Coalescers. While all of these three technologies listed above are effective in their own way Vacuum dehydration Oil Purification method is preferred with transformer oil because is it removes all water from the oil (Free Water, Emulsified Water and Dissolved water) along with entrained gases ...

  A battery is a collection of one or more electrochemical cells that converts chemical energy contained within its active materials directly into electric energy. Many types of batteries are commonly used in modern day applications, and they are named by the elements that make up the electrochemical cell of the battery they include  1) Nickel Cadmium (Ni-Cd) 2) Lithium Ion (Li-Ion) 3) Nickel-Metal Hydride (NiMH) 4) Lead Acid The nickel-cadmium (NiCd) battery was invented by Swedish scientist Waldemar Jungner in 1899.  Nickel oxyhydroxide (NiOOH) and Cadmium (CD) is submerged inside  Potassium hydroxide (KOH). Components of an Electrochemical cell Anode: Oxidation occurs at the anode Cathode: Reduction occurs at the cathode. Electrodes: In order to hook up an external circuit you need have something to physically connect the wire to. There are two types of electrodes, active and inert. An  Inert electrode is made of a substance that does not undergo ox...