S9-35kV Series Transformers

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1.Production introduction
The product conforms to the technical parameters and requirements of IEC60076 and China Standard GB1094 & GB/T6451, and a series of significant innovation is applied in aspects of material,design and structure.It has the features of high efficiency and low loss.It can save a lot of operation cost,and the social benefits are very significant.In conclusion,it is a nationally promoted new product and it is deeply favored by customers. Installation type:indoor/outdoor type Altitude:≤1000m Installation site:in places without corrosive gases and obvious dusts.

2.Applicable standards
IEC 60076 -1-2-3 2000 Power Transformer GB1094.1-2-1996 Power Transformer GB1094.3-5-2003 Power Transformer GB/T6451-1999 Technical parameters and requirements for three-phase oil-immersed power transformer.

3.Performance characteristics
1.The features of this product are high efficiency and low loss.It can save a lot of operation cost,and the social benefits are very significant.
2.The iron cores are made of the imported high-conduction magnetism,cold-roll,and grain-oriented silicon-steel sheets.The iron cores and windings adopt the vacuum drying and vacuum oil-filling processes,which make the internal moisture down to the very low level.
3.The conservator is hermetically sealed,which make the internal running oil to insolate with oxygen and moisture efficiently.
4.The above features guarantee the transformer does not need do replace the oil during the normal operation,greatly decrease the maintenance cost,and prolong the service life.

4.Main technical parameters of S9-M-50~2500/35 series of transformers

Rated capacity (kVA)Voltage combination(kV)Connecting group idNo-load lossess (W)Load-loss (W)(75˚C)Short circuit impedance (%)No-load current (%)Weight(kg)Overal dimension (mm)Gauge (mm)
High voltage (kV)Tapping (%)Low voltage (kV)
BodyOilGross weightLength x width x h

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Q:What are the technical parameters of the transformer?
C, rated current (A): transformer in the rated capacity, allowing long-term through the current. D, no load loss (kW): when the rated frequency of the rated voltage applied to the end of a winding, the other winding open when the active power. And the core silicon steel sheet performance and manufacturing process, and the applied voltage. E, no-load current (%): When the transformer in the rated voltage under the secondary side of the load, the current through a winding, generally expressed as a percentage of the rated current. F, load loss (kW): the transformer secondary winding short circuit, in a winding rated tap position into the rated current, then the power consumption of the transformer. G, the impedance voltage (%): the secondary winding of the transformer short circuit, in a winding slowly increase the voltage, when the secondary winding short-circuit current equal to the rated value, then the voltage applied once the general. As a percentage. H, the number of phases and frequency: three-phase beginning to S said, single-phase start with D said. China's national standard frequency f is 50Hz. Foreign countries have 60Hz (such as the United States).
Q:Transformer oil filter method
Transformers in the run after a period of time, if due to short circuit and other causes of transformer oil quality electrical test failed to test the need for oil treatment, improve its purity. The main reason for failure is excessive water content, including other impurities. Transformers because it has been oiled and can not be all out of all the oil out of the filter processing.
Q:Can dry transformers and distribution cabinets be placed in the same room?
Yes. Dry-type transformers are usually placed in the room with a shell, low-voltage cabinet is with the dry-type transformers together. The general practice is to flush the cabinet. And then connect the transformer with the low voltage cabinet directly in the cabinet to go. Outside can not see the connection of copper.
Q:Transformer Transformer Principle
Summary of words: Electrosagnetism. Magnetic electricity. Its basic principle is: a coil and the secondary coil around the same core, when a coil power, the alternating magnetic flux in the core, (magnetism) the alternating magnetic flux through the secondary Coil, according to the law of electromagnetic induction, will produce alternating electric potential in the secondary coil, (magnetic power) due to a secondary side of the coil turns, therefore, the secondary side of the voltage will not wait.
Q:Transformers of the three transformations are the three?
Take a 10kV / 0.4kV, d / yn11, 100kVA transformer rated voltage full load operation: 1, the high side of the 10kV into the low side of the 400V; 2, the high pressure of 5.77A into low pressure side of 144.4A;
Q:How the transformer is transformer
Transformer (Transformer) is the use of electromagnetic induction to change the principle of AC voltage. Transformer consists of iron core (or core) and coil, the coil has two or more than the winding, which connected to the power supply winding called the primary coil, the rest of the winding called secondary coil. It can transform AC voltage, current and impedance. The simplest core transformer consists of a core made of soft magnetic material and a coil of two turns on the core, as shown in the figure.
Q:Sichuan transformer manufacturer that a best?
Personal point of view: Sichuan transformer manufacturers are the quality of the general! The scale of the larger Chengdu Double Star Transformer Co., Ltd., Chengdu, Xi'an Electric Electric Co., Ltd. to the limited liability company
Q:Three - winding transformer winding problem
In theory, these two arrangements can meet the needs of the operation, manufacturing the same difficulty. If it is a step-down transformer. Low - medium - high permutations are commonly used, while mid - low - high permutations rarely encounter.
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
Q:800kw motor how much transformer
Transformer power factor is generally 0.8 (also 0.7), then the total power transformer = 800 / 0.8 = 1000KW. According to the "Power Engineering Design Manual", the transformer capacity, for a simple load of a single transformer, the load rate is generally about 85%, so the above example, the transformer capacity = 1000/85% = 1176KVA, select 1176KVA above capacity transformer. If it is a single motor, due to the starting current, even if the measures taken, but also increase the corresponding transformer capacity. If the three-phase imbalance, but also a corresponding increase in transformer capacity.

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