Electronic Voltage Transformer

Electronic transformer, which has the alternating voltage of the mains power supply into DC and then through the semiconductor switching device and electronic components and high-frequency transformer winding to form a high-frequency AC voltage output electronic device, is also an AC-DC inverter circuit described in the theory of electronics. In simple terms, it is mainly composed of a high-frequency transformer magnetic core (iron core) and two or more coils, they do not change position, from one or more electrical circuits, through the AC power with the help of electromagnetic induction, into AC voltage and current. At the output end of the high-frequency transformer, high-frequency AC or direct current of different voltage levels is supplied to more than one or two electrical circuits.

Support for drawing customization

Widely used in industrial automation control, military equipment, scientific research equipment, LED lighting, industrial control equipment, communication equipment, power equipment, instrumentation, medical equipment, semiconductor refrigeration, air purifier, electronic refrigerator, liquid crystal display, LED lamps, communication equipment, audiovisual products, security monitoring, LED light bags, computer cases, Digital products and instruments.

Original: Wuxi, Jiangsu, China

Certification: ISO9001,CE, ISO14001, OHSAS18001 etc.

Price: Negotiable

Material: Skeleton, magnetic core, enameled wire, insulation tape, etc

Voltage: 380V 50Hz, the voltage can be as local demand

Payment term: TT, LC

Delivery date: Negotiable

Packing: export standard

Market: Middle East/ Africa/Asia/South America/Europe/North America

Warranty: 1 year

MOQ: 1 set

Eelectronic transformator is a new type of power conversion equipment, which not only has the basic functions of traditional power transformers such as voltage conversion, electrical isolation and energy transfer, but also can achieve power quality regulation, system power flow control and reactive power compensation and other additional functions. The reason why the power electronic transformer can achieve these additional functions is mainly because it can flexibly process and control the amplitude and phase of the voltage or current of the original and secondary sides of the transformer through the introduction of electronic voltage transformer technology and control technology, and can control the power flow of the system according to actual needs. Therefore, electron transformer can achieve more stable and flexible transmission, can solve many problems existing in today's power system, and its application prospects will be very broad. Compared with traditional power transformers, PET has the following characteristics:

① Small size, light weight;

② Can be cooled by air, without insulation oil isolation, reduce pollution, and easy maintenance, good safety;

③ can make the transformer sub-output constant amplitude voltage;

(4) Can improve power quality, can get sinusoidal waveform input current, output voltage and can achieve unit power factor, and the voltage and current on both sides of the transformer are controllable, so the power factor can be adjusted arbitrarily;

⑤ With the function of circuit breaker, high-power power electronic devices can be instantaneous (in subtle time) to turn off the fault current, eliminating the relay protection device. In addition, the electronic low voltage transformer also has some special uses such as: after connecting with the battery, it can improve the reliability of the power supply; It can realize the special quality transformers and electronics function of three phase transformation, two phase transformation or three phase transformation, four equal transformation. Can output alternating current and direct current at the same time. In the literature, the author carried out simulation comparison and analysis of conventional power transformers and self-balancing power electronic transformers. The literature mainly conducted simulation research on five working conditions. From the simulation results, PET is no matter in full load rated operation, low-voltage side one-phase line break, three-phase short circuit, etc. And the high-voltage side voltage three-phase unbalance and harmonic pollution and other conditions have better input and output characteristics, can avoid the imbalance of one side of the system on the other side of the system, so the conventional electron transformers has better performance.

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