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Tap Changer

Your Professional Tap Changer Supplier

 

Wenzhou Shuowei Electric Co., Ltd. （SUVELL）is a high-tech enterprise specializing in the research, development, production and sales of transformer accessories, switch cabinet accessories, cable accessories, power fittings and transmission line accessories.

Our product portfolio includes pad-mounted transformers, pole-mounted transformers, oil-immersed load break switches, switchgear systems, and switchgear components.

 

 
 
Why Choose us
 
 

Quality Assurance

The company is equipped with comprehensive production facilities and a robust testing system to ensure that all products meet international standards and satisfy customer requirements.

 
 
 

Professional Solution

With extensive experience and personalized one-to-one service, we are capable of assisting you in selecting suitable products and providing professional answers to technical inquiries.

 
 
 

Reasonable Price

Supported by a dedicated procurement and cost-control team, we strive to minimize production costs and optimize profit margins in order to offer you competitively priced solutions.

 

 

Parameter

 

 

Paramerters

15kV

25kV

35kV

Rated Voltage (Phase-to-Phase)

15kV

25kV

35kV

Withstand Voltage (50/60Hz)

50kV/1min.

55kV

95kV

BIL and Full Wave Crest (75)

75kV

150kV

215kV

Rated Current

63/125A

63/125A

63/125A

 

2

 

Benefits of Tap Changer

Voltage Regulation: Ensures consistent voltage delivery despite varying loads and input conditions.

 

Flexibility: Allows transformers to adapt to different network conditions without hardware replacement.

 

Improved Efficiency: Reduces energy losses by maintaining optimal operating conditions.

 

Types of Tap Changers

 

Load Tap Changers (LTC)

Load tap changers allow for tap adjustments while the transformer is energised and supplying load current. They are commonly found in liquid-filled transformers and are suitable for applications with frequent voltage fluctuations.

No-Load Tap Changers (NLTC)

No-load tap changers require the transformer to be de-energized before making adjustments. These are more common in dry-type transformers and in situations where voltage adjustments are infrequent.

Rotatable Three Phase

 

Purpose Of A Tap Changer

Maintaining Voltage Stability

Tap changers are able to maintain voltage stability by adjusting the transformer's turn ratio in response to the fluctuating electrical loads that occur throughout the daylight hours. This is of the utmost importance for consumers in both the industrial and residential sectors, since a consistent voltage is required for the equipment and appliances to execute their functions correctly.

Optimizing System Performance

Tap changers help reduce losses in the power system and improve overall efficiency by enabling accurate voltage control. Offering precise voltage control is one way they optimize system performance. There is also the potential for this to result in decreased operational costs and increased equipment lifespans.

Enhancing Power Quality

Tap changers contribute to improving power quality by limiting difficulties like voltage sags, swells, and flickers, which can come from rapid load changes or variations in power supply. This has the effect of enhancing power quality.

 

Delivery Information
 

Shipping Methods: We offer a variety of shipping options, including sea freight, air freight, railway transportation, and international express delivery, to meet the diverse needs of our customers.

 

Estimated Delivery Time: We will provide you with the estimated delivery time for your order, which will be clearly stated in the formal order to ensure your rights are protected, allowing you to arrange for the receipt of your goods in a timely manner.

 

Order Tracking: We provide order tracking services, allowing you to stay informed about the current status and expected arrival time of your order. Detailed inspection information and shipping manifests, including photos and videos, are provided to ensure the security of your transactions.

 

 

FAQ

 

 

Q: How does a tap changer work?

A: A tap changer is a mechanism in transformers that allows for variable turn ratios to be selected in distinct steps. This is done by connecting to a number of access points, known as taps along either the primary or secondary windings. Motor drive unit of a on-load tap-changer.

Q: How to work on a load tap changer?

A: The tap changer is operated by a handle, or wheel, from the outside of the tank in most transformers. 2. Off-load – The tap changer may be operated when the circuit is energized but not when the circuit is drawing load current.

Q: What is the operation time of tap changer?

A: The total operation time of an OLTC is between 3 and 10 seconds, depending on the respective design. A selector switch (arcing tap switch) as shown in fig.

Q: What is the pressure relief valve on a tap changer?

A: The pressure-relief device responds to a predefined overpressure and opens when this pressure occurs in the oil compartment of the on- load tap-changer. For steep pressure increases the response time of the pressure-relief device is significantly shorter than that of an oil- flow controlled relay.

Q: Why tap changer on HV side?

A: Firstly, The HV side of a transformer carries lower current compared to the LV side, for the same power level. Switching lower currents reduces the mechanical and electrical stress on the tap changer contacts, increasing their longevity and reliability.

We're professional tap changer manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale bulk tap changer in stock here from our factory. Contact us for quotation.

Linear Tap Changer, tap changer, Rotatable Three Phase