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Three-phase transformers are used to convert the available 3-phase mains voltage into any load voltage.
To cater for the wide range of application areas involved,these transformers are essentially available in
the same kinds of designs as the single-phase transformers, e.g.
Three-phase dry-type transformer:
separate winding version
Three-phase series transformer:
autotransformer winding version
Three-phase safety, isolating, mains or
insulating transformer: separate winding version
In terms of how the 3 coils are connected, there are various options available and each of these provides
the transformers with specific properties. The vector group code is composed of the following elements:
The upper-case letter indicates the higher-voltage winding
(the highest voltage in terms of operation).
The lower-case letter indicates the lower-voltage winding.
The brought-out neutral is indicated by means of N or n
(depending on voltage level).
â?¢ The distinctive number indicates the phase angle of the lower voltage
in relation to the higher voltage (distinctive number multiplied by 30).
The following winding connection options are available
Delta: D, d
Wye (or star): Y, y
Zigzag: Z, z
Example: Dyn5
Higher-voltage winding is delta-connected.
Lower-voltage winding is star-connected with a brought-out neutral.
The lower voltage lags behind the higher voltage by 150�° (5 x 30�°).
Unless specifically requested otherwise, the transformers are configured with a double-star connection
and a brought-out neutral (vector group Yyn0); for autotransformers the vector group is YNa0.
Our three-phase transformer range includes all our standardised types for the 25 30.0 kVA performance range and a frequency of 50/60 Hz
S13 series of Three-phase oil Immersed Transformers,three phase transformer,three phase variable transformer,3 phase transformer,three phase power transformer,3 phase step down transformer
Oil Immersed Transformer
Model and Meaning
Model No. Rated CapacityKVA Rated Voltage KV Connection Group Symbol Loss W No-load Current (%) Impedance Voltage%
High Voltage KV Tapping Range of High Voltage Low VoltageKV No-load On Load
S13-M*R-30/10 30 10 ±5%±2x2.5% 0.4 Dyn11Yyn0 80 630/600 0.30 4.0
S13-M*R-50/10 50 100 910/870 0.24
S13-M*R-80/10 80 130 1310/1250 0.22
S13-M*R-100/10 100 150 1580/1500 0.21
S13-M*R-160/10 160 200 2310/2200 0.19
S13-M*R-200/10 200 240 2730/2600 0.18
S13-M*R-250/10 250 290 3200/3050 0.17
S13-M*R-315/10 315 340 3830/3650 0.16
S13-M*R-400/10 400 410 4520/4300 0.16
S13-M*R-500/10 500 480 5410/5100 0.16
S13-M*R-630/10 630 570 6200 0.15 4.5
S13-M*R-800/10 800 700 7500 0.15
S13-M*R-1000/10 1000 830 10300 0.14
S13-M*R-1250/10 1250 970 12000 0.13
S13-M*R-1600/10 1600 1170 14500 0.13
Notes: The Dimension and weight will be changed according to the requirements. These two data in the table will be subject to the factory documents.
We are pleased to deliver Transformer, Distribution Transformer, Power Transformer, Oil Transformer, Dry Type Transformer. Safe payment and on time deliver time will give you.If you want to know more about the product, please click here.
We just processed in a large batch of chipsets. I posted below current inventory and attached pictures of each type of chipset. Please review and let me know your interest/offer.
Chipset 1 (H61) â?? 3,350 units
Chipset 2 (H81) â?? 2,206 units
Chipset 3 (H55) â?? 436 units
Chipset 4 (B250) â?? 1,600 units
Chipset 5 (SR406) â?? 345 units
Three phase dry type transformer SG-100VA
Since 1989, YOYIK has been engaged in the manufacture and supply of industrial spare parts, accumulating rich industry experience and strong technical strength. The company not only produces various types of generator set accessories, but also provides customers with professional technical support and customized services. In particular, in the technical transformation and overhaul projects of thermal power plants, hydropower stations and metallurgical enterprises, YOYIK's solutions have been well received. With its unremitting pursuit of quality and a complete after-sales service network, YOYIK has become a trusted partner of many companies.
Yoyik can offer many spare parts for power plants as below:
#DF-Three phase dry type transformer SG-100VA-DF
Reversal monitoring speed sensor CS-2F-075-05
Rotating joint 1005-095-045
Flame TV tube SXJZ-70C
Temperature Switch 456856-NEE5J5
mag pickup sensor 330103-00-05-10-01-00
Tachometer HY-TACH/TH-01
LVDT Sensor 191.36.09.14
Eddy Current Sensor PR6423/002-010
analog pressure sensor 403219-29SQ14
Proximitor 3300XL 11mm 330780-50-00
industrial displacement sensor C9231127
temp thermometer WSSP-481
System power module SY4201
Speed sensor CS-1G-D-085-02-02
speed sensor CS-1H-D-085-05-00
speed sensor 70085-1010-414 3/4-20
Hydrostatic Level Transmitter MIK-P261
SENSOR DIFFERENTIAL EXPANTION PROBE PR6426/010-040 + CON 021/916-160
Pneumatic Actuator GDR085 F05F07YS17/S14
DISPLAY UNIT MODUL AVC ESP CONTROL AUTOMATIC SCR GGAJ02(TM-2)
Flame detector sensor IFD100-SE
Sensor Speed Transmitter SZ-6
high precision pressure gauge PHV2BRN
Cable 330130-040-00-00
LVDT Sensor 5000TD-15-01
Pressure Switch 0166-40303-1-011
temperature sensor WZPM2-06-308-M18-S-A
Shaft Displacement Preamplifier PR6423/010-110
THERMOCOUPLE 158.91.10.01+2
ELECTRIC ACTUATOR M8610
Bending joint CA79860-24-00
Mitsubishi Gas Turbine Module FXDOM01D
sensor 10000TD-E
Speed sensor CS-1G-G-100-02-01
CT BDCTAD-01
Eddy Current Signal Converter CON041/913-030
Three phase dry type transformer SG-100VA
On the basis of the S9 series, the S11 series products have an average no-load loss of 20%. The no-load current is 70-85% lower than the S9. The temperature rise is reduced by 10K, and the service life is more than doubled. Even under the load of 20%. it can still be used for a long time. The running noise is reduced by 2-4 decibels. High and low voltage windings, body assembly, fuel tank structure, protection device, etc. are similar to S9 series transformers. It also adopts non-suspension structure, adopts vacuum drying, vacuum oil filtering and oil filling process, adopts corrugated oil tank, and has no oil storage cabinet and other structures.
AC hipot tester series Testing Transformer is power plants power supply bureau and research institutions and other users to do the AC voltage test basic test equipment by the standards of the State Bureau of Quality Supervision for a variety of electrical products electrical components insulation material dielectric strength test etc. the insulation level assessment of products under the provisions of the voltage insulation defects were found in the sample and measure the ability of over-voltage.
AC HV Testing Transformer Classification:
There are four kinds of high voltage testing transformer according to the medium points:
1. Oil-immersed high voltage transformer test: large capacity cheap convenient maintenance mainstream products.
2. Inflatable high voltage test transformer : interrupter resistance and light weight.
3. Dry type high voltage testing transformer: light weight light volume can run backward price expensive.
4. Series type high voltage testing transformer: small volume low voltage light weight easy to transport and install.
66KV series product line has found a far-flung avail not only in agricultural grid modification within urban and rural areas, but also in industrial or mineral enterprises. Till now, the corporation has formed its series and commercially scaled production and the product line runs well and thereby is highly appraised by our popular users.
ã??ã??The transformer body is reliably positioned for ensuring that no dislocation occurs with the transformer and no deformation occurs with the windings during long-distance transportation or during long-term operation. Without the need of core suspension and being maintenance free, this product line may be used just via direct grid connection
Our produced 110KV series product line has formed a standardized colony, with its versions developed from former 9 versions to present 10ã?�11 or 13 versions. Furthermore, new product versions with a self-cooling configuration, with an air-cooling & maintenance-free configuration, and with a no-core-suspension configuration have been released into the markets. In featured performance, the product line is core suspension free on site, highly efficient and energy saving, high in impedance, low in loss, in noise, in temperature increase, and in local discharge, i.e., â??1 free, 2 highs, and 4 lowsâ?�. This product line may satisfy market demands requiring high power supply quality, low losses and low noise, and a long interval between overhauls.
