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 Huaxing special transformer Co., Ltd. has been focusing on the R & D and production of special transformers and reactors for 27 years, and is the leader of personalized customization of special transformers in China
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Cause analysis of transformer aging [ 2020-12-01 ]

There are two main reasons for the aging of transformer equipment. First of all, the transformer has been put into use for a long time, and the function and parts of the long-term operation transformer equipment are gradually aging, such as the corrosion of the switch blade, which leads to accidents. Secondly, abnormal use leads to equipment aging. For example, the temperature of the transformer makes

Rectifier transformer [ 2020-11-30 ]

What is the rectifier transformer; what is the pulse transformer rectifier device power supply with the transformer, transformer called rectifier transformer, used to transmit pulse of the special transformer called pulse transformer 1, the difference in use 1, rectifier transformer is mainly used for low voltage, high current; high voltage, low current; allow short-term overload

What are the characteristics of marine transformer [ 2020-11-28 ]

Marine transformer, named by its application, is a kind of electrical equipment used in ships. What are the characteristics of this kind of transformer? The winding of marine transformer is made of high strength enameled wire, double glass wire or composite insulated wire. The insulation grade can be produced on demand, mainly B, f or H

How to measure insulation resistance? [ 2020-11-28 ]

1. Meet the test conditions: ① static time; ② measurement when the oil temperature is lower than 50 ℃; 2. Measurement requirements: each lead end of the tested winding shall be short circuited, and the other non tested windings shall be short circuited to ground. 3. Precautions during the test: ① clean the porcelain bushing; ② use shielding wire as much as possible in humid or polluted areas and interference measurement. ③ Record that

What is line voltage? What is phase voltage? [ 2020-11-28 ]

In three-phase AC three-phase: refers to a, B, C three-phase, their phase angle difference is 120 degrees, phase voltage is 380 volts. In China's urban and rural distribution network, the three-phase from the output of distribution transformer refers to phase a, phase B and phase C, which is called phase line. At the same time, an N line (neutral line), or zero line, is also introduced. ...

What is the function of reactor? [ 2020-11-28 ]

There are many kinds of reactors. Here, we will briefly talk about series reactors and shunt reactors. Series reactor role: 1, because of the use of reactors, in the event of a short circuit, the voltage drop on the reactor is larger, so it also plays a role in maintaining the bus voltage level, so that the voltage fluctuation on the bus is small, to ensure that

What is the difference between autotransformer and common transformer? [ 2020-11-27 ]

What's the difference between autotransformer and common transformer? 1. The primary side and the secondary side of the transformer are not only connected by magnetism, but also by electricity. 2. Through the transformer capacity is composed of two parts: one is the electromagnetic induction power between the primary winding and the common winding, and the other is the primary winding

Precautions for overload operation of transformer [ 2020-11-27 ]

When the transformer is in normal operation, the load rate of daily load curve is mostly less than 1. According to the principle of equivalent aging, as long as the service life with more losses during overload and the life with less loss during under load can be compensated each other, the specified service life can still be obtained. The normal overload capacity of the transformer is to not sacrifice the normal

Take you to know one of the special transformers -- rectifier transformer [ 2020-11-26 ]

Rectifier transformer is one of the most widely used special transformers in the chemical industry. Its biggest characteristic is that the secondary current is not sinusoidal AC. because of the unidirectional conduction characteristics of the subsequent rectifier elements, the single direction pulsating current is changed into direct current through the filter device. In addition, the secondary voltage, current and rectifier circuit of the rectifier transformer are

What are the functions of transformer core? [ 2020-11-26 ]

What is the function of transformer core? The core is the mechanical framework of the whole transformer. Another more important role of the core is to provide magnetic circuit. After the winding is electrified, the magnetic field is generated, and the magnetic line of force passes through the iron core to form a magnetic circuit, so as to enhance and guide the magnetic flux, so as to maximize the magnetic field strength of the whole magnetic circuit and avoid magnetic leakage loss. Iron

How to save energy and reduce loss of transformer [ 2020-11-26 ]

This paper describes how to save energy in the running state of power transformer? Let's understand this principle. In general, the load of the power transformer is about 60-70% se (the rated apparent capacity of the power transformer) is ideal. At this time, the loss of the transformer is small and the operation cost is low

What is a control transformer?? [ 2020-11-25 ]

What is the control transformer? Where is it used? The control transformer is mainly suitable for AC 50 Hz (or 60 Hz), voltage 1000 V and below, and can work continuously for a long time under rated load. Usually used in machine tools, mechanical equipment as electrical control lighting and indicator power supply. The control transformer is a small
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