Low frequency EI type Encapsulated Transformer
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Large, small household electrical appliances, small power industrial products, instrumentation and other industries.
Wide range, high stability, easy installation, low noise. The coating lines were used for the F grade 155. Silicon steel sheet used in domestic famous brand products. Automated processing and production of shipments to ensure product consistency while improving the quality level.
Company have 21 years of business history, set research and development, production and sales as one of professional transformer manufacturing enterprises, also is transformer industry of Shandong Province CQC certification (the original Great Wall certification system, certification time longest enterprises (14 years), mainly produce and sell all kinds of transformer products, including: (transformer Division) three-phase dry type transformer, intelligent three-phase servo transformers, BK\JBK1\JBK3\JBK5 control transformer, toroidal transformer, (small transformer Division) pin, potting type, lead type power transformer series products. (high-frequency transformer Division) EE series, EFD series, PQ series, filter, I-inductor, loop inductance etc..
We are able to supply various types of terminal blocks according to clients' requirement,Please contact us so we can offer you the best quality,competitive price and timely delivery.
- Q:1. Which type of connection would be the best to use at the beginning of a power transmission line? Which connection would be the best to use at the end of a power transmission line? Explain.2. In wye delta and wye wye transformation, what line voltage should be applied in order to have all transformer windings operating at their rated voltage?3, how do you calculate the percentage of the line voltages?
- 1. unsure you would need to read up on that there are plenty of books on power distribution I get the feeling an explaination wouldnt help you without a bit of research first 2. power transformers are manufactured to a certain specification eg 11,000 in 415V out, the output voltage is dependant on the ratio of windings 3. if the turns ration is 1:100 ie if the primary winding has 1 turn and the secondary winding has 100 turns then the voltage on the secondary will be 100 times that of the primary. (not sure if i have answered your question but i tried!)
- Q:Can transformer be used to change direct current e.m.f? If not , why?
- No. A transformer is impossible with out inductance. Inductance happens only once, is over quickly, and it is not continuous with DC. With AC inductance is continuous. Therefore the transformation is continuous with AC.
- Q:All the specifications work (ie. Hz, Watts, etc). But I wanted to know if it would make a difference if I used a capacitor voltage transformer as opposed to a different type. Thanks.
- You seem to be asking about a ferroresonant transformer. You can use this type of transformer with electronics. There is an advantage to this type of transformer, but there are 2 shortcomings with them. A ferroresonant transformer does a better job of filtering noise than a standard transformer. Unfortunately, they are inefficient, wasting more energy than a standard transformer and they also create a lot of heat. If you use this type of transformer make sure it's well ventilated. The web site below has a very good article on transformers. The ferroresonant transformer article is just over half way down the page.
- Q:How does the core material affect a transformer? Such as if you use steel vs. air. Or wood vs. magnet.
- A transformer is a gadget that converts an alternating (A/C) modern of a definite voltage to an alternating modern of diverse voltage, without substitute of frequency, via electromagnetic induction. A 'step up' transformer gets a low voltage and converts right into a miles better voltage, and a 'step down' transformer does in basic terms the opposite.
- Q:Transformer insulation level L175 AC35 / 5 What does it mean
- 2, the insulation level of the transformer is according to the high pressure, medium voltage, low voltage winding sequence listed in the tolerance voltage value (the impact level in the former), during which separated by a slash. The neutral insulation level of the graded insulation is followed by a horizontal line at its wire end insulation level. Such as: LI850AC360-LI400AC200 / LI480AC200-LI250AC95 / LI75AC35. Meaning: 220KV three-side insulation of the main transformer, high-voltage side of the lead-side lightning impulse withstand voltage is 850kV, power frequency withstand voltage is 360kV, high-voltage side of the neutral point of the terminal lightning impulse withstand voltage is 400kV, power frequency resistance The voltage is 200kV;
- Q:Transformer ONAN?
- Transformer ONAN cooling method for the internal oil natural convection cooling, that is commonly referred to as oil-immersed self-cooling. The cooling mode of the transformer is determined by the cooling medium and the circulation method. Since the oil-immersed transformer is also divided into the internal cooling mode of the tank and the external cooling mode of the tank, the cooling mode of the oil-immersed transformer is represented by four letters. The first letter: the cooling medium in contact with the winding. O -------- mineral oil or ignition of more than 300 ℃ of insulating liquid; K -------- Insulation liquid with ignition point greater than 300 ℃; L -------- ignition can not be measured insulation liquid; The second letter: the way the internal cooling medium is circulated. N -------- The oil flow flowing through the cooling equipment and the windings is a natural thermal convection cycle; F -------- The oil flow in the cooling equipment is forced to circulate and the oil flow flowing through the windings is the thermal convection cycle; D -------- The oil flow in the cooling equipment is forced to circulate, at least in the main winding oil flow is forced to guide the cycle; Third letter: external cooling medium. A -------- air; W -------- water; The fourth letter: the way the external cooling medium is circulated. N -------- natural convection; F -------- Forced circulation (fan, pump, etc.).
- Q:I just saw the movie and it has left me with a thirst for more on the story of transformersbut where can I turnComics, animated series?Thanks
- It started as an animated series in the 80s. Check out youtube for some clips.
- Q:Why is the transformer coil insulation?
- Insulation grade refers to the heat resistance of the insulation material used, divided into A, E, B, F, H grade. Allowable temperature rise is the limit of the temperature of the motor compared to the ambient temperature. Insulation temperature Class A Class E Class B Class F Class H Maximum allowable temperature (° C) 105 120 130 155 180 Winding temperature limit (K) 60 75 80 100 125 Performance reference temperature (° C) 80 95 100 120 145 Generators and other electrical equipment, the insulation material is the most weak link. Insulation material is particularly susceptible to high temperature and accelerated aging and damage. Different insulation materials have different heat resistance, the use of different insulation materials, electrical equipment, the ability to withstand high temperatures are different. So the general electrical equipment is specified in the maximum temperature of its work. According to the different insulation materials to withstand the high temperature of its ability to set the maximum allowable temperature of seven, according to the temperature size were: Y, A, E, B, F, H and C. Their allowable operating temperatures are: 90,105,120,130,155,180 and 180 ℃ above. Therefore, Class B insulation indicates that the insulation temperature of the generator used is 130 ° C. The user should ensure that the generator insulation does not exceed the temperature during operation of the generator to ensure proper operation of the generator. Insulation class for the B-class insulation material, mainly by the mica, asbestos, glass fiber by the organic glue or impregnated from. Commonly used B-class insulation materials are PVC glass fiber casing (yellow wax tube), 6520 composite paper, DMD insulation paper.
- Q:1.) What is the function of a transformer?a.) It is a device that can change the voltage of an AC supply.b.) It can change a low voltage supply into a high voltage supply or vice versa.c.) It is a device used mainly to change AC into DC.d.) A and B are correct.2.) What is the function of a transformer at a power station?a.) To convert DC into ACb.) To produce very high voltagesc.) To produce the currents in the power linesd.) None of the above.
- A transformer either steps-up or steps-down the voltage of an AC circuit at the cost or gain of current (PIV). They are used to enable electricity to travel very far distances. While a high current will also come with a reduction of power due to the resistance of the miles of wire, a low current with a high voltage will be affected very little (VIR). A transformer will convert the high current power from the power plant to low current and high voltage so that the electricity can reach further. When this high voltage reaches neighborhoods, it goes through multiple transformers to step it down to the conventional 120V power supply. Since transformers only work with alternating current, they have nothing to do with direct current. Therefore, question 1 is D and 2 is B.
- Q:around the house. Im looking for a step up transformer to handle 1.5VAC-18VAC with a ratio of 1:10 or 1:20. Which household objects would contain this??
- well if you use a step down transformer in reverse, it might work. most power blocks will have it, the big heavy cube things you plug into a wall then into some device. a 12 volt power supply should in theory have a 10:1 step down take that in reverse and you'll have 1:10 step up 6-12 volt output block transformer is what you should look for (assuming your wall power is 115-120 AC).
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