What is the difference between 0.2 and 0.2S class CT?
The metering class current transformer is used for metering the energy for revenue purposes. Therefore, the metering class current transformer must be as accurate as
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.
Accuracy Limit Factor of Current Transformer
Definition- The accuracy limit factor (ALF) of a current transformer (CT) is a parameter that indicates the highest multiple of the rated current at which
Why can a 50Hz CT work on 60Hz systems, and why can’t a 60Hz C.T. work on a 50 Hz system?
CT or PT functions on the principle of electromagnetic induction. The electrical energy is first converted into magnetic energy and again the magnetic energy is
What is the Insulation Class of Transformer oil?
We first discuss what it means by insulation class and what is its importance. The insulating material is classified according to the maximum temperature which
Dry Type Transformers: Types and Applications
What is a Dry Type Transformer? A dry-type transformer does not use any liquid for its cooling and insulation. An oil-filled transformer uses mineral insulating
Resistance and Leakage Reactance or Impedance of Transformer
Leakage Reactance of Transformer The flux generated in the primary winding of the transformer gets linked with both the primary and secondary winding. However, all
Advantages of Parallel Operation of Transformers
Parallel operations of transformer: Definition-Connection of the primary winding of two transformers to a common supply voltage and connection of the secondary winding of both
Current Transformer – Construction, Phasor and Errors
This article describes the current transformer – construction, Phasor, and Errors. Current transformers are widely used for measuring high currents. The Current transformer steps down
Ferrite Core Transformers- Types & Applications
What are Ferrite Core Transformers? Ferrite core transformers are made from ferrite materials. The ferrite core transformer is used for higher-frequency applications. The power transformer is
Why is Power Factor of Transformer is Poor at no Load?
The transformer draws no load current from the supply source when its secondary is open circuit. The no-load current has two components: magnetization current(Im) and