JBK1 transformer high voltage transformer

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.jpgJBK1 series transformer is applicable to AC 50~60HZ circuit,rated output voltage no more than 1140V,and rated input voltage no more than 1140V,which could be widely used in the control power supply of machine tools,mechanical equipments,local lighting ,signal lamps and others.

.jpgIt has characteristics of excellent performance,reliable operation,low energy consumption,small volume,safe wiring and wide application,and as it can work for a long term under rated load ,it is an ideal variable voltage power supply.

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We were established in November of 1994.Until now,It has been developed to be a professional transformer manufacturer after 20 years' development,who integrates R&D,producing and marketing,Meanwhile,Xinping is the earliest transformer manufacturer which gets CQC certificate in China.

The main products of Xinping include different kinds of transformers,such as EI transformer,encapsulated transformer,switch power supply transformer,inductance transformer,BK&JBK transformer,toroidal transformer,intelligent servo transformer,three-phase dry type transformer,QZB transformer,special transformer and others.

It is located in Dezhou,Shandong Province which is the domestic key traffic hub in China,(In 2015,Dehou has been regarded as the cooperation development city with Beijing,Tianjin and Hebei).Now there are more than 400 employees in the company,15% employees are special technicians.We covers an area of about 53,000 square meter,and the floor area is more than 30000 square meter.

Xinping does a lot of tests during design,developing and the application of raw material and uses high quality raw material finally.So the transformer has the advantages of low no-load loss,high efficiency and low temperature rise.It has been widely used in househole appliances,intelligent meters,solar meters,automatic equipment,special equipment and others.

In the process of manufacturing and business,We always sticks to the principle of honoring contract,keeping credit,complying with business ethics and seeking the perfect quality.Being the leader of transformers and electronic components industry is the development goal of Xinping.Comparing price under the same quality and comparing quality&service under the same price is the business concept of Xinping.Devoting to your requirment,We will supply you excellent service from products concept to designing ,sample making,confirmation,producing,testing and delicering.Wewoule like to cooperate with you and build a bright future together.



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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:Transformer is the transmission of electrical equipment
Transformer is the power of the transmission of electrical equipment, it is the primary energy transformer through the electromagnetic coupling, to the secondary side, we need to become the voltage and current, the frequency does not change the power supply.
Q:National Standard for Transformer Life
Transformer life span, no national standard. Oil-immersed transformers Ye Hao, dry-type transformers Ye Hao, they all have their own load guide (a guiding technical standards). Above some theoretical calculations (you can look for a look). But the life of the transformer and many factors, it is impossible to Yigai, such as oil-immersed transformer has 6 degrees, that is, the transformer running temperature increased by 6 degrees, its life reduced by half. Every 6 degrees lower its life doubled, and so on.
Q:What are the ways of protecting the transformer?
First, the gas protection: to protect the transformer internal short circuit and oil surface failure. Second, differential protection, current quick-break protection: to protect the transformer winding or lead-out phase of the phase-to-phase short circuit, large ground current system grounding short circuit and winding turn short circuit. Third, over-current protection: to protect the external phase short circuit, and as a gas protection and differential protection (or current quick-break protection) backup protection. Four, zero sequence current protection: protection of large ground current system external single-phase ground short circuit. 5, overload protection: to protect the symmetrical overload, only acting on the signal. Six, over-excitation protection: to protect the transformer over-excitation does not exceed the allowable limit.
Q:Power transformer primary current and secondary current
Do not know what the specific content of the question you ask? If the relationship between the variable and the ratio, then the secondary current and primary current ratio of the transformer for a second and second turns ratio, the need for specific problems.
Q:What is the meaning of the Y D11 on the transformer?
Transformer Y / D11 Y ----- primary side connection, star type, D secondary side connection, triangle 11 is the primary and secondary side of the phase difference of the side line voltage lag secondary side 330 degrees (or lead 30 degrees).
Q:Transformer Wiring and Principle
Three-phase transformer works: the basic working principle of the transformer is the principle of electromagnetic induction. When the AC voltage is applied to the primary winding, the AC current flows into the winding to generate the excitation effect, and the alternating magnetic flux is generated in the iron core. The alternating magnetic flux passes through the primary winding and passes through the secondary winding , Which induces the induced electromotive force in the two windings, respectively. At this time if the secondary side and the external circuit load connected, there will be AC ​​current out, so the output power.
Q:What is transformer reverse charging?
Transformer (Transformer) is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). In electrical equipment and wireless circuits, commonly used as lifting voltage, matching impedance, safety isolation and so on.        When the transformer is shipped, it is determined whether it is used as a step-up transformer or a step-down transformer, and its relay protection setting requirements are specified. If the transformer is a step-up transformer, it is determined that the low-voltage side is zero-up. Such as from the high side of the anti-charge, then low side of the open circuit, due to the relationship between the high voltage side of the capacitor current will cause low voltage side due to electrostatic induction and over-voltage, easy to breakdown low-voltage winding. If you determine the normal high-voltage side of the transformer, such as from the low side of the anti-charge, then the high side of the open side, but the excitation current is large (up to 6 to 8 times the rated current). It produces the electric power, easy to make the mechanical strength of the transformer is a serious threat, at the same time, relay protection device may also hide the inrush current and malfunction.
Q:Transformer insulation level L175 AC35 / 5 What does it mean
1, the transformer winding rated withstand voltage with the following letter code: LI - Lightning impulse withstand voltage SI - Operating impulse withstand voltage AC - power frequency withstand voltage
Q:What is the maximum current of the 800KVA transformer? What is the current? Is how to calculate, ask you master
This type of capacity of the transformer for the distribution transformer, that is, step-down transformer. Voltage combination to 10 / 0.4 for multi-purpose. Transformer high side current 46.19A, low side current 1154.73A. Rated capacity = 1.732 * rated voltage * rated current

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