Resonant Transformers

Resonant Transformers: The equivalent circuit of a high voltage testing Resonant Transformers consists of the leakage reactance of the windings, the winding resistances, the magnetizing reactance, and the shunt capacitance…

Continue Reading Resonant Transformers

Deltatron Circuit

Deltatron Circuit or Cascaded Modular Voltage Multipliers: A combination of Cockcroft-Walton type voltage multiplier with cascaded transformer d.c. rectifier is developed recently for very high voltages but limited output currents having…

Continue Reading Deltatron Circuit

Applications in High Voltage Bushings

Applications in High Voltage Bushings: At rated voltages higher than 52 kV, the condenser or capacitance graded bushing principle is generally used. The insulating material for such a Applications in…

Continue Reading Applications in High Voltage Bushings

Applications of Cables in Engineering Works

Applications of Cables in Engineering Works: In the recent years natural rubber has been completely replaced by synthetic rubbers and plastics as cable insulation. The physical properties required for wire…

Continue Reading Applications of Cables in Engineering Works

Applications of Rotating Machines

Applications of Rotating Machines: Applications of Rotating Machines are normally divided into two categories: those with voltage ratings less than 6,600 V are called low voltage machines, and the others…

Continue Reading Applications of Rotating Machines

Solid Dielectrics Used in Practice

Solid Dielectrics Used in Practice: The majority of the insulating systems used in practice are solids. They can be broadly classified into three groups: organic materials, inorganic materials and synthetic…

Continue Reading Solid Dielectrics Used in Practice

Characteristics of Liquid Dielectrics

Characteristics of Liquid Dielectrics: Essential Characteristics of Liquid Dielectrics should possess good dielectric properties, excellent heat transfer characteristics and must be chemically stable under the range of conditions under which the…

Continue Reading Characteristics of Liquid Dielectrics

Voltage Transformer Earthing

Voltage Transformer Earthing: In this method of neutral earthing, the primary of a single-phase Voltage Transformer Earthing is connected between the neutral and the earth as shown in Fig. 26.17.…

Continue Reading Voltage Transformer Earthing