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SCB10 30~2500kVA three phase dry type epoxy distribution power transformer
SC(B)10, SC(B)11, SC(B)13 are the typical dry epoxy distribution power transformer, they are fireproof, compact and mainly designed for indoor use, and can be directly installed in the load center.

Application
SC(B) Series DRY EPOXY RESIN DISTRIBUTION POWER TRANSFORMER is widely applied in hotels, high buildings, business centers, residence community, gymnasium, Petrochemical plant, airport, harbor, metro, mine, drilling platform, etc.
Benefits
1. Low noisy
2. Low partial discharge
3. High mechanical strength and strong short circuit resistance ability;
4. Strong impact resistance

Technical specification
Standard: GB1094.11-2007 GB/T10228-2008 IEC60726
Capacity:50~2500KVA
Voltage: 10KV, 35KV
Tapping range: ±2x2.5% or ±5%
Voltage regulating: No excitation or on load voltage regulation
Frequency: 50Hz or 60Hz
Connection: Dyn11 or Yyn0
Insulation level: LI75AC35/AC5
Partial discharge: ≤10PC
Insulation grade: F
Max temperature rise: 100K
Cooling way: AN or AF
Protection class: IP00, IP20(indoor), IP23(outdoor)
Working Environment: ambient temperature ≤40℃,altitude≤1000M(Please contact us if the installation is beyond the normal use)

Dry-type three-phase transformer
S11 series 3 phase oil immersed sealed current distribution power transformer
S11-M(R) 10KV Oil immersed sealed current transformer is compact and with strong over-load ability, low temperature rise and noise. It can save about 30% no-load loss than S9 series Oil immersed sealed current transformer, and save about 40%-80% no-load current.
Benefits:
S11-M(R) 10KV Oil immersed sealed current transformer is compact and with strong over-load ability, low temperature rise and noise. It can save about 30% no-load loss than S9 series Oil immersed sealed current transformer, and save about 40%-80% no-load current.
1. It’s an environment-friendly transformer with low no-load loss, no-load current and noise;
2. No oil storage box to save space;
3. Whole sealed with vacuum oil filling, high stability of insulation;
4. Adopts the corrugations on the oil tank as its heat-radiation parts, corrugations can expand or contract accord to the change of oil volume
5. Fully sealed structure, maintenance free;
6. With oil level gauge to ensure the safety running.

Three-phase oil-immersed transformer
SGB series dry type transformer
SG(B) series dry type transformer is designed and developed by ourselves. It has passed the strict test by National Transformer Quality Supervision Test Center. It’s an excellent performanceand environmentally friendly type of dry transformer.
Benefits:
1. H-Grade Insulation
SG10 Series power transformer use NOMEX material and new technology to achieve H-grade insulation, it is reliably used in ambient temperature up to 180℃and the main part of the transformer can sustain up to 220℃.
2. Safety
SG10 and SG11 series power transformer using insulated materials which isflame retardant and moisture-proof, the combustible material is only 10% of the epoxy resin transformer. There’s no poisonous fumes during long time burning at 800℃. SG10 and SG11 series power transformer is mainly applied to high safety requirements, moist and poorly ventilated installation site, such as power station, railway, shipbuilding, chemical industry, metallurgic industry.
3. Reliable
SG10 and SG11 series power transformer using special coil design and technology to achieve moistureproof, mould proof andfame proof. It can sustain high thermal shock and without rimous nor partial discharge.
4. Strong over-load ability
SG10 and SG11 series power transformer can sustain 120% rated capacity. It can longtime running under IP23 without force air cooling.

Application
With advanced structure and performance,this series transformer can sustain large load fluctuation and over-load, it has high anti-flaming level and can adapt to the high humidity, dusty and other harsh environment. It is widely used in airport, power station, metallurgy industry, hospital, high-rise buildings, shopping center, heavily populated region,petrochemical industry, nuclear power station and nuclear submarine, etc.

SGB series dry type transformer
SZ11 10kV load volatge regulating 3 phase oil type transfomer
The SZ11 three-phase oil-immersed power transformers series are adapted to 10KV, 50HZ transmission and distribution systems, can be used in industrial and mining enterprises and rural power transmission and distribution lines. The products are long lasting and the quality is reliable. The cover and rim of the tank adopt bolted or welded structure. It cut off the contact with oil and air and greatly reduce the insulation aging rate and extend the service life. The design structure is compact. By using new materials and new technology, the noise is reduced. The product appearance is attractive, the technical and economic indicators are advanced.

Operating condition
Working Environment:ambient temperature ≦40℃, Min. temperature -25℃(for outdoor use).
The highest annual average temperature of the minimum temperature -25 °C +20 °C
Altitude≦1000M.
(Please contact us if the installation is beyond the normal use)

Benefits
SZ11 transformer is a new three-phase oil-immersed transformer with a capacity of 200-2500 KVA and frequency of 50 Hz.
2. The iron core is made up of high-quality cold-rolled silicon steel sheet.
3. The high voltage winding adopts multi-cylinder type or cake-type structure, thus improves the impact distribution of the winding.
4. The low voltage winding with the capacity of 200 to 2500KVA adopts drum-type or spiral structure. The mechanical strength is high, the distribution of ampere-turns is balanced, the ability to withstand short circuit is powerful.
6. The machine adds to the positioning mechanism, so it will not produce displacement during transport. Meanwhile, all the fasteners assemble fastening nuts. It ensures the fasteners will not loose in the long-running process.
7. The surface of the product spray primer after degreasing, derusting and phosphating treatment, so it can satisfy the special requirements of metallurgy, petrochemical systems and wet -filthy areas.
8. Long service time and reliable quality.
9. Compact design, new material and technology, noise reducing.

SZ11 series load regulating type transformer
YB pre-positioned box type transformer
YB pre-positioned box type transformer substation is a compact substation which combines high voltage switch system, low voltage distribution panel, distribution transformer,electric energy calculation part and power compensation device.
The substation is divided into three main units – high voltage unit, transformer unit, low voltage unit. Each unit contains temperature control system, lighting system and display system. The equipment and the box both achieve IP33 protection.

Normal installation conditions
1. Ambient air temperature: -30°C ~ +40°C;
2. Relative humidity ≤ 95% (+25℃)
3. Altitude ≤1000m;
4. Wind speed ≤ 35m/s;
5. Horizontal acceleration ≤ 0.4m/s2, Vertical acceleration ≤ 0.2m/s2;
6. Installation places should without conductive dust, corrosive nor explosion gas. No violent vibration, vertical gradient<3º.
If the switchgear will be used in conditions that exceed the normal environmental conditions, please consult with us.

Application
YB Pre-positioned box type electric substationis new type of complete equipment for electric substation and distribution, It can be used as heavy load center and can replace the traditional substation room.It is very compact and portable, easy for installation and maintains. It’s specially used as temporary powersupply, such as for high buildings, residential district,streetlight, large construction sites,gymnasium, Petrochemical plant, airport, hotel, business center, etc.

YB series preinstalled substation
YB series preinstalled substation（Euro-style)
YB pre-positioned box type transformer substation is a compact substation which combines high voltage switch system, low voltage distribution panel, distribution transformer,electric energy calculation part and power compensation device.
The substation is divided into three main units – high voltage unit, transformer unit, low voltage unit. Each unit contains temperature control system, lighting system and display system. The equipment and the box both achieve IP33 protection.

Normal installation conditions
1. Ambient air temperature: -30°C ~ +40°C;
2. Relative humidity ≤ 95% (+25℃)
3. Altitude ≤1000m;
4. Wind speed ≤ 35m/s;
5. Horizontal acceleration ≤ 0.4m/s2, Vertical acceleration ≤ 0.2m/s2;
6. Installation places should without conductive dust, corrosive nor explosion gas. No violent vibration, vertical gradient<3º.
If the switchgear will be used in conditions that exceed the normal environmental conditions, please consult with us.

Application
YB Pre-positioned box type electric substationis new type of complete equipment for electric substation and distribution, It can be used as heavy load center and can replace the traditional substation room.It is very compact and portable, easy for installation and maintains. It’s specially used as temporary powersupply, such as for high buildings, residential district,streetlight, large construction sites,gymnasium, Petrochemical plant, airport, hotel, business center, etc.

YB series preinstalled substation（Euro-style)
30~2500kVA combined type transformer substation for wind power generator
ZGS11-Z.F series combined type transformer substation for wind power generator compliant to 10KV,35KV terminal power supply system, acts as substation, power distribution, measurement, control and protection device. Except transformers, it also contains high quality load switch, backup protective fuse and plug fuse in the high voltage side, and control equipment, electric power distribution, lighting, maintenance in the low voltage side. Insulation and arc extinguishing medium is transformer oil.
It's designed to meet the growing demand for wind power supply, with the advantage of compact size, light weight, low noise, low loss, antitheft, strong overload capacity, full range fuse protection, simple maintenance.It meets the combined transformer standard JB/T10217-2000
Service condition
1. Ambient air temperature: -40°C ~ +45°C;
2. Altitude ≤3000m;
3. Wind speed ≤ 70m/s;
4. Contamination grade:≤ IV
5. Installation places should without conductive dust, corrosive nor explosion gas. No violent vibration.
6. Colling: AN
If the switchgear will be used in conditions that exceed the normal environmental conditions, please consult with us.
Low-voltage device
Low voltage side can supply more functions to customer need. Such as voltage lose protection, under voltage protection, distribution appliance, control appliance, lighting maintenance transformer. And also can with remote function and communication function. The main circuit breaker for the low voltage side uses the low temperature circuit breaker, it will have low temperature report as below:
Low temperature test: temperature range -40°C ~ +3°C, last for 16h;
Low temperature operation: 120 times, 30times/hour.

ZGS11 series box type transformer(American style)
Switchgear Product Features
1. switchgear Compact design, with a smaller space can accommodate more functional units;
2. The mechanism is versatile, flexible assembly, to E = 25mm for the modulus C-profile to meet a variety of structural types, protection class, the use of environmental requirements.
3. switchgear uses standard modular design to more than 200 kinds of components can be composed of different programs of the cabinet structure and drawer units. Respectively, can be assembled into protection, operation, conversion, control, regulation, measurement, instrumentation and other standard units, the user can choose according to the need for assembly.
4. Operation and maintenance of switchgear is safe and reliable. Cabinet divided into three areas: electrical area, cable area, bus zone.
5. Compress the site. High degree of three, can be greatly compressed storage and transport prefabricated sites.
6. switchgear is easy assembly, no special complicated tools are needed.
7. Drawer unit with a small, powerful, easy to replace and other characteristics, contact with the close, high reliability.

Conditions of Use of switchgear
1. The ambient air temperature is not higher than +40 ℃, the lower limit of -5 ℃, and 24h the average temperature is not higher than +35 ℃.
2. Air clean, relative humidity at the maximum temperature +40 ℃ not more than 50%, at lower temperatures allow a higher relative humidity, such as +20 ℃ when it is 90%.
3. Altitude not exceeding 2000m.
4. There is no fire, explosion hazard, serious pollution, chemical corrosion and severe vibration of the place, installation gradient ≤ 5%.
5. The switchgear to adapt to the following temperature transport and storage: -25 ℃ ~ +35 ℃. In a short time (not more than 24h) does not exceed +70 ℃.
6. If the use can not be met, the user and the manufacturer should be resolved through consultation.

Switchgear Basic technical parameters
1. switchgear Main circuit rated working voltage: 380V (660V)
2. switchgear Auxiliary circuit Rated operating voltage: AC 220V, 380V; DC 110V, 220V
3. switchgear Main circuit rated insulation voltage: 660V (1000V)
4. switchgear Rated frequency: 50Hz
5. switchgear Horizontal bus rated operating current: ≤ 4000A
6. switchgear Rated operating current of vertical bus: 1000A
7. switchgear Rated short-time withstand current of busbar: 50 kA (1s)
8. switchgear Bus rated peak withstand current: 105 kA (0.1s)
9. switchgear Housing protection class: IP40
10. switchgear Dimensions: (width X high X deep) 600 (800,1000) * 2200 * 800mm

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