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What else can I help you with?
What will be the PF if measured after capacitor bank?
Capacitors are used to improve an inductive load's power factor towards unity. The power factor before and after adding the capacitor bank depends entirely on the inductive/capacitive values involved.
Link coupling is used in r-f amplifiers to?
Link coupling is used to transfer energy between two r-f circuits which for whatever reason cannot be located near to each other. The method used in link coupling is a wire loop which stretches between the two stages, terminating at each end in a coil of few turns. At the output of the first stage, this wire loop will act as a step-down transformer, and at the input of the next stage it will act as a step-up transformer. To work in this manner the loop terminations must be positioned next to the inductor of the r-f tank circuit.
What are some Technology the Eskimos used?
Eskimos, or Inuit people, traditionally used a variety of technologies suited to their harsh Arctic environment. They crafted tools from materials like bone, ivory, and stone for hunting, including harpoons and sleds. Additionally, they built igloos from snow blocks for shelter and used kayaks made from wood and animal skins for transportation and hunting in water. Their clothing, made from animal fur and hides, was also a crucial technology for insulation against extreme cold.
How are dimensioning standards used?
they are used by showing where it is
What is pH scale how it is used?
a pH scale is something used for measuring the strengths of acids and bases.
What is mov capacitor?
A capacitor used to protect the transformer if these any problem in the cct.
What effect does the series resistance of a capacitor used in a capacitor filter have on diode current and ripple voltage compared with an ideal capacitor of no resistance?
The effective resistance of the capacitor reduces the ripple current through the capacitor making it less effective in its function of smoothing the voltage. But if the capacitor filter is fed by a transformer and diodes, the resistance of the transformer exceeds that of the capacitor.
How is the breakdown test of an insulation sheet done with a picture?
time and temperature dependence of the transformer oil and its insulation paper used
Why capacitor bank used in transformer?
Capacitor banks are used in transformer applications primarily for power factor correction and voltage stabilization. They help improve the overall efficiency of the electrical system by reducing reactive power demand, which can lower energy costs and enhance the capacity of the transformer. Additionally, capacitor banks can mitigate voltage fluctuations and harmonics, ensuring more reliable operation of the transformer and connected loads. Overall, their use contributes to improved system performance and longevity.
Why you do insulation resistance test?
in order to avoid unwanted short circuit break downs.... short circuit can burn the transformer and motor winding.... Megger is the device used to check the insulation .
Can a high voltage transformer be megged with a megger meter?
No. A megger's output voltage is not high enough to test the insulation of a high-voltage transformer if, by 'high-voltage transformer ', you mean a distribution transformer or power transformer. Instead, a high-voltage test set or 'pressure tester' (e.g. a 'HiPot' tester) must be used, as these produce far higher voltages.
What is density of transformer?
The density of a transformer depends on the materials used in its construction, such as the core, coil, and insulation. Typically, transformer density ranges from 1.6 g/cm3 to 2.2 g/cm3. Transformers with higher power ratings tend to have higher density due to the larger amount of material needed.
Is there need of transformer oil in all transformers?
No not really only some do :DAnswerFor transformers used in transmission and distribution systems, yes. Transformer oil is necessary for cooling and insulation purposes, enabling the 'footprint' of an oil-filled transformer to be smaller, and its rating to be higher, compared with those not filled with oil.
What is insulation in transformer?
Depending on the size of the transformer, several different types of insulator are used. These include varnishes, plastics, paper, and fabrics (to insulate the windings), wood (spacers), and oil. Transformer oil improves the insulation value of paper, fabrics, and wood when absorbed by them. The oil has a secondary purpose, which is to cool the transformer.
Is phenyl-2propanone in trasformer cooling oil?
Phenyl-2propanone, also known as P2P, is not typically found in transformer cooling oil. Transformer cooling oil usually consists of mineral oil or synthetic fluids designed to provide proper insulation and heat transfer properties for the transformer. P2P is a organic compound that is not commonly used in transformer applications.
WHAT will happen if you run oil transformer with out oil?
As well as providing a cooling medium, transformer oil is also used to insulate a transformer. As its dielectric strength (how well it insulates) is much higher than air, it means that components within a transformer that are at different potentials can be placed much closer together if they are immersed in oil. So, operating an oil-filled transformer without oil will likely cause insulation breakdown within the transformer.
What is coupling in electronics?
AC coupling is where a capacitor is used to block the DC componant of a signal. Used often in Medical devices when a DC componant could harm a patient Coupling refers to transferring electrons trough a media. It could magnetic such as coils proximity. A transformer and yes even a capacitor. And no it has no medical devices ONLY application.
