Ctpt Groupwave Factory

about us

Haiyan Weijia Electric Technology Co., Ltd is a professional China Transformer Components Manufacturers and Ctpt Groupwave factory, covers an area of 13 acres, with a total construction area of about 12,000 square meters and more than 200 employees. The company mainly produces in-meter accessories such as current transformers, manganese-copper shunts ,wholesale Ctpt Groupwave and magnetic holding relays. The transformer production capacity is 80,000 per day, shunts are 50,000 per day, and 20,000 relays per day. The company invests millions of dollars each year in equipment upgrades, production process improvements and new product development. Currently has dozens of technical patents, enterprise management passed ISO9001 certification, relays and transformers obtained CE EU certification.
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What Is the Current Transformer?

A current transformer (CT) is a device that steps down a high current in an alternating current circuit to a lower, safer level. CTs are commonly used in metering applications and ...

Choosing the Right Three Phase Meter Current Transformer

A three phase meter current transformer is used to convert a primary current to a secondary current. They can be found in various shapes and sizes, and have a wide range of amperag...

Shunt-Based Energy Meters

In the energy meter industry, many meters use shunts as current sensors. This is mostly because they cost less than other types of current sensors and provide magnetic immunity tha...

What is a Shunt and Why is it Used in a Prepayment Meter?

When it comes to energy bills, one of the key components is your energy meter. It shows how much electricity and gas you're using each month and allows you to top up by text, app o...

Industry knowledge about Transformer Components

A transformer is a passive electrical component that is used to transfer electrical energy from one circuit to another through electromagnetic induction. Transformers are widely used in power distribution systems and are essential components in many electrical and electronic devices.

Main components of a transformer:

Windings: The windings are the coils of wire that are wound around a magnetic core. There are typically two windings in a transformer: the primary winding and the secondary winding. The primary winding is connected to the input voltage, and the secondary winding is connected to the output voltage.
Magnetic core: The magnetic core is made of a magnetic material, such as laminated iron or ferrite, and is used to concentrate the magnetic field created by the primary winding.
Insulation: The windings are typically separated from each other by insulating material, such as paper, plastic, or mica. This insulation helps to prevent electrical short circuits between the windings.
Terminal blocks: The terminal blocks are used to connect the transformer windings to the electrical circuit.
Enclosure: The transformer is typically housed in an enclosure to protect it from physical damage and to provide insulation from the surrounding environment.
Cooling system: Some transformers may have a cooling system, such as a fan or oil, to dissipate heat generated by the resistance of the windings.

Key advantages of transformer components:

Efficiency: Transformers are highly efficient in converting electrical energy from one voltage level to another, with minimal loss of energy as heat.
Isolation: Transformers provide electrical isolation between different parts of a circuit, which can improve safety, reduce the risk of electrical shock, and help prevent interference between different electrical devices.
Cost-effectiveness: Transformers are relatively inexpensive compared to other components in the electrical power system, and they can be designed to meet specific requirements in terms of voltage, current, and power levels.
Reliability: Transformers are robust and durable components that are designed to operate for many years with minimal maintenance. They are also relatively immune to damage from short circuits and other electrical faults.
Versatility: Transformers can be designed in a variety of shapes and sizes to suit a wide range of applications, making them suitable for use in both small and large electrical power systems.
Energy Conservation: Transformers can help conserve energy by reducing the amount of energy lost as heat, and by allowing electrical energy to be transported over long distances with minimal loss.