(www.xatianhong.com)

XATH TRANSFORMERS

1

Introduction to XATH

Xi'an Tianhong Electric Co., Ltd. (XATH) is a solely

state-owned enterprise, set up by China Shipbuilding

Industry Corporation (CSIC). It is one of the largest

manufacturers of power transmission and distribution

equipments in China.

With advanced technology and vast experiences in

manufacturing of dry type and oil-immersed transformers,

XATH is one of the China’s leading in the design,

production and selling of cast resin dry type transformers

(voltage: 6kV-35kV, capacity: 30kVA-20000kVA), oil-

immersed transformers (voltage: 6kV-150kV, capacity:

30kVA-50000kVA), explosion-proof transformers,

prefabricated substations, high and low voltage power

distribution cabinets. Other types of transformers for

special use, extinction coils, grounding transformers and

reactors are also produced accordingly to clients’ special

requirements.

XATH production and facilities are certified to

ISO9001:2000, ISO14001:2004, GB/T24001-2004,

GB/T19001-2000, GB/T28001-2001, GB7251, IEC6076-

11, (Full Routine, Type & Special Tests with KEMA),

GB1094, JB/T10088 and CCC etc.

Today, XATH products are sold in more than 30 provinces

and exported to all over the world. XATH product are

served in many international engineering projects and

received satisfied feedback from the users on the quality,

reliability and cost effectiveness.

XATH Main Office

XATH Plant

Production Line

Finished Goods

XATH TRANSFORMERS

2

XATH Cast Resin Transformer

Going Green

XATH cast resin transformers have the highest

standard of quality and reliability by using

precision equipments and advanced state-of-

the-art technology.

XATH Cast resin transformers are safe,

nonflammable, fire resistance, pollution-free

(no coolants required) and moisture-proof.

They are unnecessary to be maintained.

Installation is simple even can be fixed close to

load centers. XATH Cast resin transformers

have low energy running cost, low partial

discharge, low noise level, high short time

overload capacity, powerful heat-sinking

capacity and when equipped with forced air fan,

the temporary power may be increased up to

150% of the rated capacity. What is more,

XATH Cast Resin Transformers HV and LV

winding are both vacuum casted which

guarantee optimum performance. In short

XATH Cast Resin Transformers are safe and

environmental friendly. Going green in line

with the needs for the global sustainable

development

Termination Bars

Assembly Section

Testing Section

XATH TRANSFORMERS

3

The Core

XATH transformers cores are constructed using

high quality cold-rolled silicon steel sheet with

advance cutting, lamination and assembly process.

The sheets are cut in high precision and stacked by

fine grades stepped construction and form 45° full

oblique joint. This high precision step lap method

reduces no-load losses and the idling current,

ensuring great reduction of transformer noise level.

The core will be than heat treated and surface

treated with resin to ensure high humidity resistance

and corrosion protection.

Steel Coils

Sheet Cutting Line

Completed Core

Core Assembly

XATH TRANSFORMERS

4

Winding Process

Completed LV Coils

Vacuum Chamber

resin casting by xath

Construction of Cast resin composite material,

namely Glass fiber reinforcement of windings

is the master piece of the XATH Cast resin

transformer. The composite material is

perfectly blended to has high tensile strength

and a coefficient of expansion close to that of

copper. The material has good corrosion

resistance, fire retarded and good resistance to

temperature shocks. The cycle of

polymerization is precisely controlled in

vacuum chamber to guarantee no air intrusion.

All XATH transformers LV and HV windings

are both vacuum casted, which means

guarantee free of voids. Cooling ducts are

created to give efficient heat dissipation which

guarantee high service life of transformer.

low voltage windings

XATH transformers

low voltage windings

are constructed using

insulated copper foil,

laminated with DMD

insulation papers.

The connection

between the copper

foil and the terminal

bars are made

through precision

Argon shield arc

welding.

The completed winding is impregnated at

vacuum system at high temperature and form a

smooth solid body of fiber glass reinforced

epoxy.

High voltage windings

XATH transformers

high voltage windings

are constructed using

enameled copper wire

in double layer

winding. The

windings are wound

with fiberglass on

both sides on precision

winding machine.

The completed winding is impregnated at

vacuum system at high temperature and form a

smooth solid body of fiber glass reinforced

epoxy.

XATH high voltage coils therefore guarantees

resistance against sudden workload and

ambient temperature changes.

Completed HV Coils

Vacuum Casting

Completed HV Coils

XATH TRANSFORMERS

5

enclosure (optional)

The transformers can be protected with

enclosure, either indoor or outdoor according to

protection grade. The commonly used IP20

enclosure provides protection against the

entrance of foreign objects with diameter

greater than 12mm and only fit for indoor.

Enclosure is made of either epoxy painted mild

steel or aluminium – alloy plates.

Forced air ventilation system

(optional)

When temporary power increases are expected

then forced air ventilation system is

recommended. The ventilation kit is provided

with an electrical panel to control the fan using

temperature device. With this optional fixture,

the power may be increased up to 150% of the

rated capacity.

temperature indication and

control system

The temperature

automatic control

system provide

guarantee for long

term, safe and

reliable running of

transformer.

The system provide temperature presetting,

recording, warning, tripping signal, starting

and stopping the ventilation fans automatically.

Forced Air Fan

In Enclosure

Internal View (Alloy plates)

External View (Alloy plates)

Forced Air Fan

Temperature Control

Unit

XATH TRANSFORMERS

6

quality comes first at xath

XATH invest heavily in quality assurance

program. Tests and routine inspections are carried

out systematically and at random at all stages of

production to ensure XATH transformers meet all

standards and specifications even before the final

assembly.

The manufacture of XATH Cast resin transformer

is certified in accordance with ISO9001 and

ISO14001. XATH cast resin transformers are

designed and produced in accordance with IEC

60076-11 standard.

Testing In Progress

Tx Loaded To Testing Section

Testing Equipments

Testing Equipments Testing Console

XATH TRANSFORMERS

7

Quality and safety management

IEC 60076-11 Routine, Type & Special Test With

KEMA

Quality Management System Certificate

ISO9001

Environmental Management System Certificate ISO14001

Occupational Health And Safety Management

System Certificate

XATH TRANSFORMERS

8

Structure of product

(Optional)

XATH TRANSFORMERS

9

Technical data/Specifications

Sc(b)9/10/11 Series 11kv class cast resin Dry Type Power transformers

Dimensions

Specifications

Rated Voltage: 11kV Vector Group: Dyn11, YynO Low Voltage: 0.433kV Insulation Level: L175AC35/LIOAC5

NOTE: Technical data subject to change without prior notice.

Rated

Power

kVA

Type P0

Pk

75℃

Pk

120℃ Uk LPA Weight Length Width Height

W W W % dB(A) kg mm mm mm

800

SC(B) 9 1710 6420 7360 6 50 2520 1585 1000 1610

SC(B)10 1520 6070 6950 6 48 2600 1650 1100 1690

SC(B)11 1370 5770 6610 6 48 2850 1810 1000 1680

1000

SC(B) 9 1980 7510 8600 6 50 2820 1630 1100 1700

SC(B)10 1760 7100 8130 6 48 3060 1710 1100 1780

SC(B)11 1600 6100 7730 6 48 3360 1880 1000 1800

1250

SC(B) 9 2340 8960 10260 6 52 3460 1700 1100 1820

SC(B)10 2080 8460 9690 6 48 3640 1750 1100 1820

SC(B)11 1800 7500 9210 6 48 4010 1920 1100 1990

1600

SC(B) 9 2750 10840 12400 6 53 4200 1850 1100 1810

SC(B)10 2440 10240 11730 6 48 4420 1840 1100 1810

SC(B)11 2200 8800 11140 6 48 4860 2050 1100 2050

2000

SC(B) 9 3400 13360 15300 6 53 4770 2020 1360 1960

SC(B)10 3060 12620 14450 6 50 5200 2080 1360 1820

SC(B)11 2720 11800 13730 6 50 5340 2180 1360 2160

2500

SC(B) 9 4000 15870 18180 6 54 5760 2080 1360 2080

SC(B)10 3600 14900 17170 6 50 5880 2170 1360 1970

SC(B)11 3200 13800 16310 6 50 6460 2300 1360 2270

3000

SC(B) 9 4950 22950 26300 8 54 5600 2180 1900 2360

SC(B)10 4500 21000 24060 8 54 6480 2100 1400 2150

SC(B)11 4000 19900 22800 8 54 6850 2150 1400 2250

All given sound levels are max. values.

Po: No-Load Loss Pk 75°C: Load Loss at 75°C Pk 120°C: Load Loss at 120°C Uk: Impedance LPA: A-weight Sound Pressure Level in dB

SC(B)9 Low Loss SC(B) 10 Normal Loss SC(B) 11 Super Low Loss

XATH TRANSFORMERS

10

Technical data/Specifications

Sc(b)10 series 33kv class cast resin Dry Type Power transformers

Dimensions

Specifications

Rated Voltage：33 kV Vector Group：Dyn11, YynO Low Voltage：0.433 kV Insulation Level：L170AC170/LIOAC5

Rated Power

kVA

Type P0 Pk

75℃

Pk

120℃ Uk LPA Weight Length Width Height

W W W % dB(A) kg mm mm mm

800 SC(B)10 2390 8330 9550 6 48 3400 1870 1000 1690

1000 SC(B)10 2690 9550 10950 6 48 4110 1940 1000 1760

1250 SC(B)10 3140 11650 13350 6 49 5190 2070 1100 1930

1600 SC(B)10 3590 14180 16250 6 49 5790 2170 1100 2030

2000 SC(B)10 4240 16710 19150 6 50 7180 2380 1360 2430

2500 SC(B)10 4940 20030 22950 6 50 8790 2460 1360 2500

NOTE: Technical data subject to change without prior notice.

Rated Power of 3000kVA, 3500kVA & 4000kVA are available upon request.

All given sound levels are max. values.

Po: No-Load Loss Pk 75°C: Load Loss at 75°C Pk 120°C: Load Loss at 120°C Uk: Impedance LPA: A-weight Sound Pressure Level in dB

SC(B) 10 Low Loss

Green Asia Alliance Sdn. Bhd. (869408-H)

42, Jalan PJS 7/19, Bandar Sunway,

46150 Petaling Jaya, Selangor Darul Ehsan,

Malaysia.

Tel: +603-56312451/56310864

Fax: +603-56314639

Website: greenasia.com.my

Email: enquiry@greenasia.com.my