CT/PT Transformer
A CT (Current Transformer) and PT (Potential Transformer) are both types of instrument transformers used in electrical power systems.
A current transformer, or CT, is designed to measure high currents flowing through power conductors. It consists of a primary winding and a secondary winding. The primary winding is connected in series with the conductor carrying the high current, while the secondary winding is connected to a measuring or protection device. The primary winding has a lower number of turns compared to the secondary winding, resulting in a reduced current being detected and measured by the secondary winding. CTs are used for accurate measurement, metering, and protection of high currents in power systems.
A potential transformer, or PT, is used to measure high voltages in power systems. Similar to a CT, it also has a primary winding and a secondary winding. The primary winding of a PT is connected in parallel across the high voltage line, and the secondary winding is connected to the measuring device. The primary winding is designed with a high voltage rating, while the secondary winding provides a lower voltage proportional to the high voltage being measured. PTs are commonly used for voltage measurement, metering, and protective relay applications in power systems. They allow for accurate and safe measurement of high voltages.
Both CTs and PTs are essential components of power system measurement and instrumentation. They ensure the safe and reliable monitoring of electrical currents and voltages, enabling effective control and protection of power systems.
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Zero sequence transformer indoor high current transformer electrical equipment
The LSY3-10 current transformer is a three-phase integrated device designed for installation on the three-phase bushings of ring network switchgear and main columns. It serves the purpose of measuring and protecting three-phase current transformers and zero sequence current. Additionally, it can be used for measuring and protecting zero sequence current in multiple cable circuits. Key Features: The LSY3-10 current transformer features a high-quality epoxy resin vacuum impregnation for the iron core and secondary winding, encapsulated within a flame-retardant plastic housing. This design ensures moisture resistance, stability, and eliminates the need for maintenance. Installation: The current transformer is specifically designed for installation on the three-phase bushings of ring network......
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10KV single phase high tension voltage potential transformer
The JDZX(F)9-10G potential transformer is an epoxy resin fully enclosed casting insulation indoor type product. It is suitable for various high-voltage switchgear and is designed for voltage, electric energy measurement, and relay protection in power systems with a rated frequency of 50Hz and a rated voltage of 10kV (or 6kV) and below. This product features a single-phase, dual-winding fully enclosed structure, with epoxy vacuum resin cast molding. The core is made of high-quality cold-rolled silicon steel sheets wound into a circular shape. Both the primary and secondary windings are wound around the core. The secondary winding has a terminal box with user-friendly output slots. The product has excellent resistance to contamination and moisture, demonstrated by its compliance with Level......
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Three-Phase Indoor High Voltage Dry type resin potential transformer
The JSZV18-10R is a dry type resin potential transformer designed for use in inflatable ring main units. It features a fully enclosed structure with epoxy resin casting, providing excellent insulation and protection. This product meets the standards of GB20840.3 and IEC60044-2, ensuring reliable performance and compatibility. It is rated for insulation levels of 12/42/75KV and operates at a frequency of 50HZ. Developed and manufactured by Zhejiang Rongzhi Electric Co., Ltd., the company specializes in the research, production, and sales of current transformers, voltage transformers, fault indicators, and dehumidifiers for switchgear. One of the key features of this product is its built-in protection device for prevention of abnormal overvoltage on the secondary side of various current t......
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Pouring type with power supply potential transformer
JDZ12-10 series Pouring type with power supply potential transformer is an outdoor voltage transformer designed for reliable and accurate voltage measurement in power distribution systems. It consists of a primary terminal, a pouring body, a secondary winding, an iron core, and primary and secondary frameworks. The primary terminal is positioned at the top of the pouring body and connected to the primary winding via a primary fuse. The secondary winding is wound separately on the secondary framework. The primary and secondary frameworks are placed on the core column of the cruciform iron core, with the secondary framework positioned inside the primary framework. To ensure durability and stability, the primary terminal, windings, and pouring body are integrated using resin pouring, creati......
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Single Phase Castable Insulation High Sensitive Voltage Transformer
The JDZ9-10 Single Phase Castable Insulation High Sensitive Voltage Transformer is a reliable and efficient transformer that operates on the same principle as traditional transformers. It features a small and constant capacity, ensuring normal operation even in an unloaded state. With a low impedance, this voltage transformer is equipped with a fuse on the primary side and a reliable grounding on the secondary side to prevent coil burnout and potential accidents in case of insulation failure. This transformer is designed for measurement purposes and can be used in a single phase or connected in a V-V configuration to form a three-phase system. It is suitable for various voltage measurement requirements, with multiple tapping points on the primary side. Additionally, it is equipped with a......
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Miniature voltage power electrical single phase transformers
The JDZ-10 Miniature Voltage Power Electrical Single Phase Transformers are designed for compact size and excellent weather adaptability. The transformer core is made of high-quality cold-rolled silicon steel sheets, stacked into a square shape and exposed to the air. The primary and secondary windings are wound together and then cast in epoxy resin. The casting body is fixed on a metal base plate, and the lower part of the epoxy resin casting body is coated with semiconductor paint, which is connected to the metal base plate and the core. This design helps improve the uniformity in power plants and reduce distortions in power lines. The JDZ-10 transformers are suitable for both single-phase and three-phase circuits. When used in three-phase circuits, two transformers can be connected in ......
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China CT/PT Transformer is one kind of products from RZMV factory. As one of leading manufacturers and suppliers in China, we provide durable products. We can sell them at a low price and can be customized. We sincerely look forward to becoming your reliable long-term business partner!
