Switch Power Supply Transformer

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Products can be customized according to customer requirements!


Widely used in soya bean milk machine, air purifier, air conditioning, solar energy meter, humidifier, meter, smart meters and other household electrical appliances.


From design to develop to the use of raw materials, experiments were carried out, using low quality silicon steel sheet, with little no-load loss, high efficiency, temperature rise low cost, easy installation etc..





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.

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Q:50 What is the actual power of the transformer? Is 3 phase 50 or 3 together 50
50KVA transformer is the apparent power, the actual power close to 50KW.3 phase power a total of 50KW.
Q:Sichuan transformer manufacturer that a best?
Sichuan Meishan New Transformer Co., Ltd.'s products have the strongest load capacity, up to 200%
Q:How to use a multimeter to determine the quality of small transformers
Generally with the smallest ohm file to measure whether the primary tap, if not, then damaged. Use the X10K stall above the ohm stalls to measure the primary and secondary, primary secondary and iron core for short circuit or leakage. If there is connectivity, then the insulation is bad or has been burned or breakdown.
Q:The difference between transformer power kva and kw
Kva is apparent power, KW is active power. inspecting power: S = 1.732UI = 1.732 × 0.38 × 100 ≈ 65.8 (Kva) Active power: P = 1.732UI cosφ = 1.732 × 0.38 × 100 × cosφ
Q:What are the serious consequences of transformer circulation?
Two parallel transformer transformer ratio is not equal, the two transformers due to the same phase between the phase difference generated by the circulation, the size of the flow of two transformers to determine the size of the difference, according to the magnetic potential balance, although the two transformers Side of the same power supply, but due to the secondary side of the pressure cycle, two transformers will also produce a circulation at the same time.
Q:Transformer secondary side is high pressure or primary side is high pressure
Step-up transformer secondary side is the high-pressure, step-down transformer primary side is high pressure.
Q:Which transformers belong to special transformers
These special-purpose transformers are known as special transformers. Because of the working conditions and load conditions of these transformers, they can not be calculated by the general transformer calculation method.
Q:Why is the notebook computer transformer hot?
Summer transformer is very hot, the notebook's own heat is more important to keep the room temperature the most important, too high temperature, then no matter how cool! Open the airplane with a laptop! At the same time should try to make the bottom of the notebook overhead, can be used special cooling bracket or with equal thickness and small size items (such as chess pieces, military flag, laminated one dollar coins, tape boxes, etc.) the bottom of the notebook pad! Try not to use the key film, because the keyboard is an important part of the notebook cooling! Other parts of the cooling (each brand of notebook cooling parts may be different) should not have object coverage! Summer is up, the notebook needs your double care Oh!
Q:What is the transversal and semi-crossing problem of the transformer?
(4) Splitting coefficient: The ratio of split impedance to crossing impedance. The description of the method of the standard method shows that the commutation reactance measurement of the rectifier transformer is similar to that of the transformer short-circuit impedance measurement. The difference is that the measurement of the short-circuit impedance is usually made by connecting the low-voltage side of the transformer and the high-voltage side to the rated current, And the commutation reactance measurement of the rectifier transformer is to short-circuit the high-voltage side and to measure the voltage between the terminals at the low-voltage side with the rated single-phase current. It can be seen that the commutation reactance of the split transformer is a half-crossing impedance.
Q:What is the transformer absorption ratio (R60 / R15)
Generally, the absorption ratio should be greater than or equal to 1.3 as the absorption ratio is acceptable.

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