Voltage transformers (VT), also called potential transformers (PT), are a parallel-connected type of instrument transformer. They are designed to present a negligible load to the supply being measured and have an accurate voltage ratio and phase relationship to enable accurate secondary connected metering.
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Voltagetransformers (VT), also called potential transformers (PT), are a parallel-connected type of instrument transformer. They are designed to present...
voltage levels, such transformers being termed step-up or step-down type to increase or decrease voltage level, respectively. Transformers can also be used...
small voltage fluctuations, the motion of the solenoid core can be used to move a selector switch across a range of resistances or transformer windings...
most common type of transformer, widely used in electric power transmission and appliances to convert mains voltage to low voltage to power electronic...
Current transformers, along with voltage or potential transformers, are instrument transformers. Instrument transformers scale the large values of voltage or...
different voltage levels. A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or...
A distribution transformer or service transformer is a transformer that provides a final voltage transformation in the electric power distribution system...
is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. It is used to produce high-voltage, low-current, high-frequency...
Instrument transformers are high accuracy class electrical devices used to isolate or transform voltage or current levels. The most common usage of instrument...
power supply the AC input voltage passes through a power transformer and is then rectified and filtered to obtain a DC voltage. The filtering reduces the...
used in oil-filled wet transformers, some types of high-voltage capacitors, fluorescent lamp ballasts, and some types of high-voltage switches and circuit...
switched-mode power supplies for both low (3 V) and high voltage (over 10 kV) supplies. The flyback transformer circuit was invented as a means of controlling the...
between its windings as an ordinary transformer does; if the neutral side of the input is not at ground voltage, the neutral side of the output will...
converts DC to AC at battery level and uses a line-frequency transformer to create the output voltage. This is one of the simplest waveforms an inverter design...
source. If one or more phases fault to earth, the voltage applied to each phase of the transformer is no longer in balance; fluxes in the windings no...
A transformer sold for isolation is often built with special insulation between primary and secondary, and is specified to withstand a high voltage between...
portable test equipment on-site. The transformer oil (insulation oil) of voltagetransformers and current transformers fulfills the purpose of insulating...
transmission voltage to medium voltage ranging between 2 kV and 33 kV with the use of transformers. Primary distribution lines carry this medium voltage power...
components to create a power supply. AC voltage conversion uses a transformer. Conversion from one DC voltage to another requires electronic circuitry...
penetration, the diurnal voltage swings on the feeder were significantly reduced. One case of voltage regulation is in a transformer. The unideal components...
High voltage electricity refers to electrical potential large enough to cause injury or damage. In certain industries, high voltage refers to voltage above...
can form part of large electrical transformers and can fragment during transformer ruptures. High-voltagetransformer fire barriers are required to defeat...
The converter transformers step up the voltage of the AC supply network. Using a star-to-delta or "wye-delta" connection of the transformer windings, the...