Overview of 35kV 150A Under-oil Arrester Disconnector for Transformers MV&HV Product

35kV 150A Under-oil Arrester Disconnector for Transformers MV&HV Product is critical switching equipment used in electrical systems of power plants and substations. Its primary function is to guarantee the safety of high-voltage electrical appliances and equipment during maintenance work and to isolate voltage. It cannot be used to cut off, input, or disconnect load current and short-circuit current. It can only be used for certain switch operations that do not generate strong arcs—usually used in conjunction with high-voltage circuit breakers to isolate the power supply during maintenance, providing safety protection for maintenance personnel and equipment. According to the installation location and the number of insulation columns, they can be divided into indoor type, outdoor type, single-column, double-column, and three-column types. The electrical system of power plants and substations is crucial for guaranteeing the safety of maintenance personnel and equipment.

Characteristics of 35kV 150A Under-oil Arrester Disconnector for Transformers MV&HV Product

“Safety guarantee during maintenance of high-voltage electrical appliances and devices: This is the primary function of high-voltage isolation switches, which can ensure the safety of equipment and operators during maintenance work.

Isolation voltage: It plays the role of isolating voltage and cannot be used to cut off or connect current, nor can it be used to break short-circuit current.

Nonarc extinguishing function: It cannot be used to cut off current; that is, it does not have an arc extinguishing function.

Multiple types: According to the installation location, it can be divided by indoor and outdoor types. According to the number of insulation pillars, they can be divided into single-column, double-column, and triple-column types. Each voltage level has optional equipment.”

Specifications of 35kV 150A Under-oil Arrester Disconnector for Transformers MV&HV Product

This Under-oil Arrester Disconnector protects transformers. It works directly inside the transformer oil storage tank. Its major task is quiting dangerous voltage rises. These rises can harm the transformer. It also detaches itself if it falls short. This keeps the transformer safe. The device is built for 35kV systems. It handles constant currents approximately 150 Amps. The style is compact. This makes installation inside the transformer simple. No added area is needed outside. The disconnector function is dependable. It activates if the arrester element obtains damaged. This action occurs immediately. It isolates the malfunctioning arrester area. The transformer keeps running normally. This avoids unanticipated power failures. Upkeep is easier as well. Professionals see the disconnection state plainly. The entire system is oil-immersed. The transformer oil offers insulation and cooling. Efficiency remains secure over the long-term. The materials stand up to the transformer oil setting. They avoid rust and degradation. This tool boosts transformer defense. It integrates rise protection and risk-free disconnection. It safeguards medium and high voltage transformers efficiently. Reliability is a key advantage. The layout makes certain regular operation under tough conditions. It meets stringent sector criteria for safety. It provides an important safety feature. Customers get peace of mind understanding their devices is protected.

Applications of 35kV 150A Under-oil Arrester Disconnector for Transformers MV&HV Product

This tool protects transformers. Lightning strikes and power rises happen. These events intimidate transformer safety and security. The arrester disconnector handles this threat. It works inside the transformer oil container. The oil shields and cools it. The unit connects straight to the arrester.

Its primary work is interference. Arresters wear out with time. A fell short arrester becomes an issue. It may trigger a brief circuit. This threats transformer damage and even fire. The disconnector discovers this failure. It immediately separates the negative arrester. This activity isolates the mistake. The transformer keeps running securely. Power remains on for customers.

The ranking is 35kV and 150A. This fits tool voltage (MV) and high voltage (HV) systems. It fits many transformer types. Utilize it on circulation transformers. Use it on substation power transformers. It safeguards essential grid tools. The under-oil design is vital. It saves space inside the storage tank. It avoids exterior components. This simplifies installation. It reduces upkeep requires as well.

Dependability is important. This tool guarantees continuous security. It protects against tiny arrester concerns from coming to be large catastrophes. Operators gain satisfaction. Downtime obtains minimized. Fix expenses remain reduced. Overall system security boosts significantly. Shielding transformers shields the whole power network financial investment.

Company Profile

PDDN Photoelectron Technology Co., Ltd. is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality 35kV 150A Under-oil Arrester Disconnector for Transformers MV&HV Product, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of 35kV 150A Under-oil Arrester Disconnector for Transformers MV&HV Product

What is this arrester disconnector?
It protects transformers. It stops dangerous voltage surges. Surges come from lightning or switching. This device goes inside the transformer oil tank. It connects directly to the transformer bushings.

How does it work?
The arrester part blocks high voltage surges. It sends the surge safely to ground. The disconnector part acts if the arrester fails. A failed arrester could short circuit. The disconnector physically separates the faulty arrester. This prevents damage to the transformer. It keeps the transformer running safely.

What are the key features?
It handles 35,000 volts. It manages 150 amps continuously. It operates submerged in transformer oil. This design saves space inside the tank. It uses a reliable disconnector mechanism. This mechanism triggers automatically during failure. It provides clear visual indication. You see the disconnector has operated.

Why use this under-oil type?
Mounting inside the tank is efficient. It uses less space overall. It connects directly to the bushing. This reduces wiring complexity. Being in oil improves cooling. The oil also helps suppress arcs. This design boosts overall system reliability. It simplifies transformer protection.

Is installation difficult?
Installation requires care. It happens during transformer assembly. Trained personnel must do it. They mount the device onto the bushing stud. They connect it inside the oil tank. Correct installation is critical. It ensures proper electrical connection. It guarantees reliable operation later. Follow the manufacturer’s instructions exactly.