Dissolved Gas Analysis (DGA) Test of Transformer Oil
The dissolved gas analysis (DGA) test of transformer oil is a tool to detect dissolved gases in the oil for diagnostics to detect incipient faults. … Read more
Transformer
Transformer is the static piece of equipment used for step up and step down the voltage for economic transmission and utilization of electrical power.
In this section we are adding all the technical articles related to transformer like step up transformer, step down transformer, ideal transformer, efficiency and losses, regulation, percentage impedance.
We will also discuss about parallel operation of transformers, copper loss and no load losses and its calculation, all types of routine and type tests, converter duty transformer,dry type transformer, k factor of transformer, maintenance of oil filled and dry type transformer, transformer protection equipment like buccoltz relay, PRD and oil and winding temperature measurement etc.
We will also discuss about the open and short circuit test on transformer.
Transformer Basics & Its Working Principle
What is a Transformer? The transformer is a static device that transfers electrical energy from one circuit to another circuit without altering the frequency. The … Read more
Efficiency of Transformer
The transformer is a vital link between the load and the supply. The efficiency of the transformer is very important in view of energy saving. … Read more
EMF Equation of Transformer | Turns Ratio of Transformer
EMF equation of transformer is very important for understanding the working of the transformer. When a sinusoidal voltage is applied to the primary of the … Read more
How to Calculate Burden of CT
The burden of the current transformer is expressed in VA. The total VA burden should be considered when CT is used for measuring or protection … Read more
Transformer Over Fluxing Protection
The transformer over-fluxing protection protects the core from overheating caused by over-fluxing. The voltage and frequency ratio(v/f) is responsible for over-fluxing in the transformer. In … Read more
Over Fluxing in Transformer
How does the transformer work? The transformer has two coils wound around a common magnetic core. When an alternating voltage is applied to the primary … Read more
Transformer Oil BDV Test
The BDV of transformer oil is the breakdown voltage of transformer oil. The BDV or dielectric strength of oil is the maximum voltage withstand capacity … Read more
Current Transformer Secondary Grounding
According to the ANSI guide, the IEEE standard specifies the current transformer grounding practices. The grounding of the current transformer is critical from the perspective of safety … Read more
Transformer Magnetizing Inrush Current
When energizing a power transformer, the transformer draws a magnetizing current. The magnitude of the magnetizing current is several times higher than the rated current … Read more