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Oil-immersed power transformer—product overview
Oil-immersed power transformer is an apparatus used to change the voltage and transmit the AC electric energy with insulating oil as the insulating medium, it is composed of the coil, coil, tap changer and oil tank. It is featured by small size, lower price and strong resistance to weather. Suitable for power system, industrial and mining enterprises, transportation, post and telecommunication departments, research units, etc. The product covers a wide range of series, including the laminated core series, coiled core series, amorphous alloy series and other products below 110kV. With diverse structural forms and beautiful appearance, the product can satisfy the needs of different users.
SBH15 type amorphous alloy oil-immersed transformer
Amorphous alloy transformer is a new type transformer product and a high-tech product. The product is designed as a fully sealed structure with oil tank to keep oil in the transformer from contacting the outside air, thus prevent oxidation of oil, prolong the service life of the product and save the maintenance costs for users. With high technological content, the amorphous alloy transformer contains is a renewed product of traditional transformer. Compared with traditional ordinary silicon steel transformer (S11 type transformer), its energy effect is obvious. The no-load loss of amorphous alloy transformer is about 75% lower than that of S11 type transformer, the energy saving effect is significant. With strong environmental-friendly effect, the amorphous alloy transformer is titled a “green power plant without generator”. Low aggregate cost for use. Stable operation, high safety performance Fast returns on investment.
Dry type transformer-product overview
For the SC(B)10/11 series epoxy casting dry type transformer, by using the grade F epoxy resin mixture with packing, after vacuum membrane degassing and at vacuum and pressure, thin layer casting is applied to the high and low voltage reinforced coils placed on the glass wire molding mesh on both the internal and external surfaces, thus forming a dry type transformer with high mechanical strength, electrical strength, heat resistance. It is an excellent product for urban grid renovation, and especially suitable for use in some important places requiring flame retarding, explosion proofing and moisture proofing, such as the urban power grid, high-rise buildings, business center, theatre, hospital, hotel, tunnel, subway, underground power station, laboratory, station, wharf, airport and combined substation.
SCBH15 type amorphous alloy dry type transformer
SCBH15 type amorphous alloy dry type transformer is an energy-saving product launched by Beijing Herosail Power Science Technology Co., Ltd. in response to the national guidelines and policies for energy saving and consumption reduction and according to the market needs. The amorphous alloy dry type transformer has the excellent properties of dry type transformer in flame retarding, self-extinguishing, moisture proofing and crack resistance, and also has the advantages of amorphous alloy transformer in low no-load loss and low no-load current. Ordinary dry type transformer used in various places can be replaced by amorphous alloy dry type transformer.
Compared with GB/T10228-1997 Specification and Technical Requirements for Dry-type Power Transformers, the no-load loss of SCBH15 series product is only 25%~30% of the specified value, and load loss is 85% of the specified value. Use of this product can greatly reduce the operating cost of users. This product has good social and economic benefits.
S13-M.ZT Capacity and voltage regulating transformer
S13-M.ZT series on-load capacity and voltage regulating distribution transformer a kind of intelligent, energy-saving new type equipment developed according to the requirements of urban and rural grid construction and renovation. It can change the connection method of each tap of the transformer coil and the load switch status through the combined capacity and voltage regulating switch according to the users’ actual operating voltage, the load size and the quality of electric energy, so that the transformer can switch automatically between different taps and rated capacities, realize automatic capacity and voltage regulation, remote load control and three-phase unbalance regulation; it can also perform reactive compensation through graded fine automatic control, and accordingly reduce the no-load loss, realize energy-saving operation of transformer, and achieve the energy-saving purpose.
This product is suitable for power distribution areas with AC 50Hz, rated voltage of 10/0.4kV and capacity of 630kVA and below, mainly used in urban residential areas, commercial areas, industrial areas and rural power grids with seasonal or diurnal variations of load. It is featured by intelligent control, reasonable structure, high practicability and remarkable energy saving effect, and of far-reaching significance to ensure safe operation of distribution system and improve the power supply quality of grid.
ZGS11-Z.G series combined transformer for PV power generation
As a clean energy production method, PV power generation is developing rapidly in China, ZGS-Z.G series combined transformer is a product self-developed by our company through integrating advanced technologies both at home and abroad on the basis of producing 35kV combined transformer, in order to satisfy the increasing power supply requirements of PV power generation. This product has the transformer, load switch and HV fuse installed in the body, and insulating liquid for the transformer is used as the insulation and heat dissipation media for the whole product; with fully enclosed structure, the product has the advantages of small size, light weight and convenient installation.
ZGS11-Z.F series combined transformer for wind power generation
ZGS11-Z.F series combined transformer for wind power generation is suitable for 35kV terminal power supply system, used as the power substation, distribution, metering, control and protection devices. This kind of substation is an integrated product easy to form a complete set, it consists of the high voltage unit, transformer, low voltage unit and secondary measurement and control equipment. It also includes the street lamp controller, soft starter and telecontrol equipment. The secondary control part of the whole substation is designed reasonably, with all alarm and trip contacts led out to ensure safe operation of the transformer.
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