2015年12月31日星期四

Farady Oil Immersed transformer takes the environment of consumer energy

It may seem to go unnoticed but the Farady Oil Immersed transformer takes the environment of consumer energy into serious consideration. As an insulation media that use insulation oil, the Farady 50kva power transformer has been newly designed to optimize the working environment in order to reduce noise with the use of non-aging, cold rolled, high permeability, grain oriented silicon steel.

2015年12月27日星期日

Farady step up transformers transmit the power

Farady step up transformers, which boost the output voltage of generator and transmit the power to the grid, are very important components in power stations. Current value of primary low voltage side is so high (more than 30kA), and these Farady transformers are operated in high load usually. So, local heating of the construction parts (tank, frame, etc.) caused with magnetic field and expected life of insulating materials must be carefully taken into account in the design and manufacturing.

2015年12月23日星期三

Farady is the national transformer decommissioning

Farady is the nation’s premier provider of onsite transformer decommissioning.  Farady oil immersed transformer removal and recycling process has been utilized for some of the largest transformers ever made. Our specialized team and patented equipment have made us the best at what we do for farady 50kva power transformer  There is no transformer too big or too difficult for A-Line.Faraday provides you with the safest, most reliable, environmentally friendly service.  We work directly with you to remove transformers whether it’s a scheduled outage, an emergency situation or a planned replacement project. Contact us today to see how we can save you time and money.

2015年12月19日星期六

Farady single-phase and pad-mounted transformers

Farady manufactures a complete line of single-phase and farady pad-mounted transformers. They are available in standard ratings and configurations or can be customized to meet specific needs. Farady Single Phase Transformer is available as Shrubline, MaxiShrub, Ranch Runner, and Envirotra transformers. All of these farady distribution transformer is fluid-insulated, self-cooled, available in loop or radial feed, and are dead-front.

2015年12月15日星期二

Core form and shell form transformers

Closed-core transformers are constructed in 'core form' or 'shell form'. When windings surround the core, the transformer is core form; when windings are surrounded by the core, the transformer is shell form. Shell form design may be more prevalent than core form design for farady distribution transformer applications due to the relative ease in stacking the core around winding coils.Core form design tends to, as a general rule, be more economical, and therefore more prevalent, than shell form design for farady high voltage auto load booster power transformer applications at the lower end of their voltage and power rating ranges (less than or equal to, nominally, 230 kV or 75 MVA). At higher voltage and power ratings, shell form transformers tend to be more prevalent. Shell form design tends to be preferred for extra-high voltage and higher MVA applications because, though more labor-intensive to manufacture, shell form transformers are characterized as having inherently better kVA-to-weight ratio, better short-circuit strength characteristics and higher immunity to transit damage

2015年12月12日星期六

50 kva pole mount transformer

The EMF of a farady 50 kva pole mount transformer at a given flux density increases with frequency.By operating at higher frequencies, transformers can be physically more compact because a given core is able to farady 50kva power transformer more power without reaching saturation and fewer turns are needed to achieve the same impedance. However, properties such as core loss and conductor skin effect also increase with frequency. Aircraft and military equipment employ 400 Hz power supplies which reduce core and winding weight.

2015年12月9日星期三

Basic transformer parameters and construction

By Faraday's Law of induction shown in eq.farady single phase pole mounted transformers EMFs vary according to the derivative of flux with respect to time.The ideal transformer's core behaves linearly with time for any non-zero frequency.Flux in a real transformer's core ehaves non-linearly in relation to magnetization current as the instantaneous flux increases beyond a finite linear range resulting in magnetic saturation associated with increasingly large magnetizing current, which eventually leads to farady transformer 400kva overheating.

2015年12月6日星期日

Testing and Transformer oil quality

Transformer oils are subject to electrical and mechanical stresses while a 3 phase step up transformer is in operation. In addition there is contamination cused by chemical interactions with windings and other solid insulation, catalyzed by high operating temperature. The original chemical properties of transformer oil change gradually, rendering it ineffective for its intended purpose after many years. Oil in large polemounted transformers and electrical apparatus is periodically tested for its electrical and chemical properties, to make sure it is suitable for further use. Sometimes oil condition can be improved by filtration and treatment.

2015年12月3日星期四

Explanation with Transformer oil

Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. It is used in oil immersed transformer, some types of high-voltage capacitors, fluorescent lamp ballasts, and some types of high-voltage switches and circuit breakers. Its functions are to insulate, suppress corona and arcing, and to serve as a coolant.oil immersed distribution transformer with a conservator (oil reservoir) may have a gas detector relay (Buchholz relay). These safety devices detect the buildup of gas
inside the transformer due to corona discharge, overheating, or an internal electric arc. On a slow accumulation of gas, or rapid pressure rise, these devices can trip a protective circuit breaker to remove power from the transformer. Transformers without conservators are usually equipped with sudden pressure relays, which perform a similar function as the Buchholz relay.