Transformer Series

Why Choose Us

Our R&D: Our R&D team consists of senior technical experts with decades of experience in the design and manufacture of high and low voltage electrical equipment. Their expertise, combined with our advanced facilities, enables us to always lead industry trends and continuously optimize our product portfolio.

Quality control: We are able to accurately and efficiently produce a wide range of high-quality electrical products that comply with GB 1984-2024 and GB/T11022-2020 standards to ensure the highest quality.

Customization requirements: We know that our customers' needs are different, so each product can be designed according to the specific needs of the customer.

Our services: In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

Advantages of Transformer Series

High precision: For functions such as energy metering, voltage monitoring and relay protection, the accuracy of measurement is crucial.

Compact structure: The overall structure is compact and has a mounting plate at the bottom, which is easy to install and fix. It can also be easily arranged in places with limited space such as substations and distribution rooms.

Safe and reliable operation: When excited at rated voltage, this type of transformer can withstand an external short circuit of one second without damage. It has high short-circuit tolerance and can maintain stable performance when a power system failure occurs, avoiding more serious power accidents caused by transformer failure and ensuring the safe operation of the power system.

Easy to maintain: The transformer does not require special maintenance, only regular cleaning of surface dirt is required, which reduces maintenance costs and workload.

Fully insulated structure has strong applicability: The fully insulated structure makes the transformer not only suitable for general power systems, but also can be used normally in some special occasions with high insulation requirements, such as high altitude areas and humid environments, thus expanding its application range.

Good electromagnetic compatibility: It can work stably in complex electromagnetic environments, is not affected by external electromagnetic interference, ensures the accuracy and reliability of the measurement results, and will not cause electromagnetic interference to other power equipment.

Specification of Transformer Series

S.N	Parameter name	Parameters	Parameter Value
1	Voltage ratio (common ratio form)	Single Phase	10000/100
		With residual winding	10000//100//100/Or 10000//100//100//100/
		Secondary rated voltage	Typically 100V or 57.7V (applicable to systems with non-effectively grounded neutral point)
2	Accuracy	Measurement Grade	Level 0.2 (high-precision measurement), Level 0.5 (general measurement), Level 1 (ordinary measurement)
2	Accuracy	Protection level	3P, 6P (for relay protection)
3	Conditions of Use	Environmental requirements	Applicable to indoor environment with altitude ≤3000m, temperature -5℃～+40℃, humidity ≤85% (20℃); some models can be adapted to outdoor or highly polluted environment
3	Conditions of Use	Rated frequency	50Hz or 60Hz
4	Rated output capacity		Standard capacities include 30VA, 50VA, 100VA, etc., which can be selected based on the secondary load requirements.
5	Insulation properties	Power frequency withstand voltage	42kV (1 minute)
		Lightning impulse withstand voltage	75kV
		Creepage distance	Meet the requirements of Class II pollution level
6	Wiring method	Single-phase wiring	Such as JDZ-10-10 10/1kV direct wiring
6	Wiring method	Three-phase group	V-V connection method (two transformers form three-phase measurement)

Types of Transformer Series

Step-up transformer

When the number of secondary winding turns is more than the primary winding turns, such a transformer is known as a step-up transformer. This transformer step-up voltage and step-down current.

Step-down transformer

When the number of secondary winding turns is less than the primary winding turns, such a transformer is known as a step-down transformer. This transformer step-down voltage and step-up current.

Isolation transformer

When the number of primary winding turns is equal to the secondary winding turns, such a transformer is known as an isolation transformer. This transformer is used for isolating the source and load sides.

Features of Transformer Series

Potential Transformer (PT or VT) is a key device used for voltage measurement, energy metering, relay protection and system monitoring in power systems. Its function is to convert the voltage on the high voltage side (10kV) into a safe voltage on the low voltage side (standard value such as 100V or 100/V) for use by instruments, protection devices and control systems.

Application of Transformer Series

Voltage transformation: Transformers are primarily used to step up or step down voltages in ac circuits. Step-up transformers increase voltage for transmission over long distances, while step-down transformers reduce voltage for distribution to end-users.

Power distribution: In power distribution systems, transformers are used to reduce high transmission voltages to lower values suitable for consumer use.

Electrical isolation: Isolation transformers provide electrical isolation between the input and output circuits, which is crucial for safety and preventing ground loops.

Impedance matching: Transformers are used to match the impedance between different parts of a circuit, ensuring maximum power transfer.

Signal coupling: In audio amplifiers and telecommunications systems, transformers are used for coupling signals between different stages of a circuit while providing electrical isolation.

Voltage regulation: Auto-transformers can be used to regulate voltage by adjusting the tapping point on the winding.

Power supplies: Transformers are used in power supplies to convert ac voltage to dc voltage using rectification and filtering circuits.

Induction heating: High-frequency transformers are used in induction heating applications to heat metals without direct contact.

Instrument transformers: Current transformers and potential transformers are used in metering and protection systems to measure high currents and voltages safely.

Audio transformers: In audio equipment, transformers are used for impedance matching and to eliminate ground loops, improving sound quality.

Packing and Shipping of Transformer Series

Packing	Box
Shipping	Shipped by road, sea, rail

FAQ

Q: What is the basic definition of a transformer?

A: A transformer is an electrical device that uses the principle of electromagnetic induction to transfer energy from one electric circuit to another. It is designed to either increase or decrease AC voltage between the circuits while maintaining the frequency of the current.

Q: What best describes a transformer?

A: A transformer is an electrical device that changes voltage levels to match the needs of different applications. Its primary function is to either step up (increase) or step down (decrease) voltage while maintaining the same power level.

Q: What is a transformer in real life?

A: A Real Transformer is an electrical device used for converting power from one electrical circuit to another without changing its frequency. They operate based on the principle of electromagnetic induction, where the change of voltage (or electromotive force) is produced by altering the magnetic field.

Q: What happens when a transformer blows?

A: When a transformer "blows," it typically means a failure in its internal components, often resulting in a sudden, loud explosion, a flash of light, and potentially a fire.

Q: What does a transformer do?

A: A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. Its primary function is to change voltage levels, either increasing (stepping up) or decreasing (stepping down) the voltage.

We're professional transformer series manufacturers and suppliers in China, specialized in providing high quality products and service. If you're going to buy customized transformer series, welcome to get more information from our factory.

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