Your Leading Transformer Supplier

 

 

Baoding Sihedan Electric Technology Co.,Ltd is a hi-tech enterprise specialized in designing and producing strain clamp, suspension clamp, crossarm etc electric Power fittings, Transformer, Surge arresters, Switch gear, MCB etc. A transformer is a special machine used to change DC voltage from one level to another. It can be considered as an alternating current to a direct current converter. Our transformer is divided into three phase oil immersed distribution transformer and single phase oil immersed distribution transformer. If you are interested, please contact us, send email to info@dkline.net and we will reply you in the first time.

 

 
 

Why Choose Us?

OEM & ODM Service

We especially have advantage on OEM and ODM of all electric Power fittings.

Advanced Facilities

We have specialized production workshops for machinery, forging, welding, stamping etc.

Global Market

Our Products are sold to USA, Malaysia, Bolivia, East Timor, England, Hong Kong, Camernoon, Kenya, Uganda etc.

 

Classification of Transformer
Single Phase Oil Immersed Distribution Transformer

Single-Phase Transformers

Single-phase transformers have a primary and secondary winding and are used in applications where single-phase power is sufficient. They are commonly found in residential and small-scale commercial environments.

 

 

Three Phase Oil Immersed Distribution Transformer

Three-Phase Transformers

Three-phase transformers consist of three sets of primary and secondary windings and are used in three-phase power systems. They are predominant in industrial settings, where large amounts of power are required. Three-phase transformers are crucial for efficient power distribution and utilization in industries, factories, and large commercial buildings.

 

Technical Parameters of Transformer

 

Rate capacity

Voltage ratio

HV tapping range

Load loss(w)

No load loss(w)

No load current(%)

Short circuit impedance

HV(kV)

LV(kV)

25

30

33

35

36

0.4

0.415

0.433

5%,0

2x2.5%,0

125

755

2.3

4.5~6.5

50

210

1270

2.0

100

290

2120

1.8

125

340

2500

1.7

160

360

2970

1.6

200

430

3500

1.5

250

510

4160

1.4

315

610

5010

1.4

400

730

6050

1.3

500

860

7280

1.2

630

1040

8280

1.1

800

1230

9900

1.0

1000

1440

12150

1.0

1250

1760

14670

0.9

1600

2120

17550

0.8

2500

3150

23000

0.8

 

Functions of Transformer

 

 

Efficiency

Transformers can transfer electricity much more efficiently than other methods, such as power lines. This means that less energy is lost in the form of heat, which results in lower energy costs.

 

Safety

Transformers are also much safer than other methods of electrical power distribution. This is because they do not rely on high-voltage power lines, which can pose a serious electrocution hazard.

 

Reliability

Transformers are very reliable and have a long lifespan. They can typically last for decades with proper maintenance.

 

 

Customizable Options

 

MOQ:

There are no MOQ limit in first order, and 100pcs in further.

Samples:

We are providing the samples by free, but need pay for the freight charge.

Material design and supply:

We are supplying for LV and MV EPC material in lot many years.

 

Safe Operation of Transformer

 

 

Upon receipt, users should inspect the transformers thoroughly to rule out the potential for shipping damage. It is critical to immediately report any damage to the transportation company and make a claim.

 

Storage
Maintain a steady temperature and humidity level and store transformers in their original packaging. If you store a transformer without its packing for an extended period, it is essential to plug any ventilation holes. Of course, you should never store a transformer outside without complete protection from the environment and any potential pollutants.

 

Safety Operations
Transformers have removable covers to facilitate installation. However, you must securely fasten it at all times, and you cannot use the devices until you secure the parts. As transformer personnel, you must conduct a thorough safety protocol. Then review and audit it regularly.

Grounding

For similar reasons, it's essential to ground the enclosure properly. The National Electrical Code and state and municipal regulations demand that all grounding be safe and correct.

System Loading

When the average outside temperature is over 30 degrees Celsius, and the maximum is over 40 degrees Celsius, a transformer with a higher kVA rating increase is necessary. At an altitude of more than 3,300 feet, you must adjust and reduce the load on a standard transformer.

Maintenance

Because there are no moving parts in a transformer, it does not require frequent servicing. However, regular inspection and maintenance are crucial if the transformer operates in a harsh environment.

 

Usage of Transformer

Power stations

Transformers are widely used in power stations. Near power stations, transformers often step up the voltage to harness the power for transmission over greater distances.

Transportation and railway systems

Transportation and railway systems also require transformers for power transmission. For example, transformers are used in trams to transform the electrical supply.

Industrial and imaging equipment

Transformers can also be used in industrial and imaging equipment. Examples include X-ray machines and non-destructive testing machines, where transformers can be used to control high voltages.

 

Energy conversion

Since transformers have the function of changing voltage, it is possible to convert electrical energy from one form to another. For example, a transformer can convert alternating current into direct current or direct current into alternating current to achieve energy conversion.

 

Ordering Process

 

 

Buyer sends inquiry --> Buyer receives quotation --> Order confirmation --> Buyer sends deposit --> Seller prepares

 

Payment Terms

 

1:

We are accepting T/T and L/C payment terms. And FOB, CIF, CFR.

2:

Sample order: 100% payment before shipment.

3:

Bulk order: 50% deposit balance before shipment.

 

After-Sales Service

Give a clear answer to the user's complaints within 24 hours.

If necessary, we send technicists to the user's site to solve the problem timely.

Return visit at regular intervals.

Establishing the user's record.

Long warranty period, and whole life service and support.

Providing the latest industrial information.

 

 

FAQ

 

Q: How do you know if you need a transformer?

A: A transformer is needed anytime you want to raise or lower your supplied voltage. An example of this would be when you have 240v power available, but you have a machine that requires 480v power. American Rotary offers a number of solutions that will allow you to go up or down in voltage as needed.

Q: Can you run a transformer without a load?

A: A transformer when operated with open-circuited secondary winding, it is said to be in no-load operation and when it is operated with attaching a load across its secondary, it is said to be in on-load operation.

Q: What happens when a transformer is saturated?

A: As the transformer core saturates due to the excessive primary voltage it can be seen that both the magnitude and distortion of the magnetising current waveform increase. For this example, the magnetising current exceeds the rated load current when the voltage exceeds 270 V.

Q: Do transformers require AC or DC?

A: This is the principle of the transformer. Transformers only work on alternating current (a.c.). The current in the primary coil causes it to become an electromagnet. The continually changing current produces a continually changing magnetic field in an iron core.

Q: How many years does a transformer last?

A: Transformers help transfer electricity from generating stations to load centers by regulating electrical energy fluctuations. While the average transformer life expectancy is typically twenty to thirty years, how long a transformer lasts and how efficiently it runs can range widely.

Q: Can you load a transformer to 100%?

A: Distribution transformers should ideally operate within a load rate range of 70% to 85%. In instances where large equipment with sporadic usage or significant impact loads are present, dedicated transformers should be employed with load rates not exceeding 70%.

Q: What happens if you overload a transformer?

A: When a power transformer is overloaded, its operating temperature will increase, which has a negative effect on the lifespan of the transformer. A power transformer is one of the most important and expensive components in a power network.

Q: Can you still have power if a transformer blows?

A: Effects on Local Services. If your area transformer blew along with its base. Then this might be a few days of work before your utility company fully restores the connection. This greatly affects your local infrastructure and businesses as there will be no electricity for your home or any of the public places.

Q: What happens if a transformer is not grounded?

A: Because when there is a phase deviation, if the neutral line is not grounded, the phenomenon of "neutral point drift" will appear, that is, the neutral line is charged, and sometimes the voltage will be very high, which will cause electric shock hazards.

Q: Do transformers need fuses?

A: The fuse is applied to the primary of the transformer and is used solely to prevent rupture of the transformer due to short circuits.

Q: How can you tell if a transformer is bad?

A: · Exterior bulging on the transformer.
· Insulation color change.
· Vibration changes.
· Incorrect or lack of voltage.
· Burn marks on or near the unit.
· Irregular operation temperature.
· Automatic protection devices activate when transformer first energizes.
· Low insulation resistance.

We're well-known as one of the leading transformer manufacturers and suppliers in China. Welcome to buy high quality transformer at low price from our factory. Contact us for more discount information.

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