Customized Current Transformer Design

BH0.66-I current transformer is mainly used for cables and copper bars. It has simple structure, reasonable design and flexible application. According to the specifications of the copper bars used in the main circuit, there are many kinds of through holes corresponding to each other. The primary current of the main circuit includes 5A ~6000A, and the rated secondary output current is 1A~5A (0~1V). This series of products can meet the technical requirements of grade 0.2, grade 0.5, grade 1 and other different precision GB/T20840.1.2. 

LSY3-10/127 three-phase integrated current transformer is suitable to be installed on the three-phase bushing of ring network switch cabinet and main column. It is used for the measurement and protection of three-phase current and zero sequence current, and can also be used for the measurement and protection of zero sequence current of multiple cables circuits. The iron core and secondary winding of this series of current transformers are vacuum-cast with high quality epoxy resin in a flame-retardant plastic housing, which is moisture-proof, stable and maintenance-free.

The current transformer of the type LMZJ1-0.5 is casting unsaturated resin busbar type product. It is used for metering current and electric energy, relay protection in the electrical system of rated frequency 50Hz or 60Hz and rated voltage 0.5KV.The current transformer has the character of small volume, light weight, superior insulation and so on. The transformer can be executed according to the standards IEC44-1:1996 and GB1208-2006 .

BH/EMS current transformer is mainly used for cables and copper bars. It has simple structure, reasonable design and flexible application. According to the specifications of the copper bars used in the main loop, there are a variety of core aperture corresponding to the main loop. This series of products can meet the technical requirements of 0.2,  0.5, 1 and other different precision GB/T20840.1.2.

When measuring the high current of alternating current, SEN-BHP series current transformers need to be converted to a relatively uniform current for the convenience of secondary instrument measurement( the secondary rating of current transformers is set as 5A or 1A in China). Current transformer in the process of short circuit transition can correct the primary current, the relay protection of right action plays a decisive role, protective current transformer (TA) mainly cooperate with relay protection device, such as short circuit occurred in line failure, provide signals to cut off the fault circuit to relay device, protect the safety of the power system. Name of protective current transformer: low voltage protective current transformer Primary measuring range 200~6300A, secondary output 5A, 1A, mainly accuracy level： 5P10， 10P10, 10P20, 5P20, etc. Collect low voltage overload and short circuit signals, and use with motor protection unit.  

Circular through type current transformer is mainly used in cable circuit environment. It has simple structure, small volume and flexible application. According to the cable specifications of cable used in the main circuit, there are a variety of through hole diameters. The through hole diameter of this series of products ranges from 30mm to 200mm, and the main circuit current includes 63A ~ 2000A. The series of products can meet the technical requirements of 0.2 level, 05level, 1level and other different precision. At the same time, it can also meet the strict requirements of the new national standard for the balance characteristics. The unbalanced current output value can also be better than 30mA, 10mA, 5mA, even 3mA, greatly reducing the false alarm caused by the magnetic field of the main circuit current, providing sufficient guarantee for the reliability of the equipment. Excellent and advanced production process. This series of products meet the requirements of GB-14287.2-2005 and GB14287.2-2014.

The clamp type current transformer is mainly used for cables and copper bars. It has simple structure, reasonable design and flexible application. According to the specifications of the copper bars used in the main circuit, there are many kinds of through holes corresponding to each other. The primary current of the main circuit includes 0A~1000A, an the rated secondary output current is 1A ~5A (0~1V). This series of products can meet the technical requirements of grade o.2, grade 0.5, grade 1 and other different precision. GB20840.1.2 .   

The open-close current transformer is mainly used for cables and copper bars. It has simple structure, reasonable design and flexible application. According to the specifications of the copper bars used in the main circuit, there are many kinds of through holes corresponding to each other. The primary current of the main circuit includes 50A ~6000A, and the rated secondary output current is 1A~5A (0~1V). This series of products can meet the technical requirements of grade 0.2, grade 0.5, grade 1 and other different precision GB/T20840.1.2.

The open-closed current transformer is improved on the basis of the traditional transformer. Made of free opening and closing, it can be quickly installed and disassembled in the state of no power failure and no wire disassembly, and the operation is sample. This series of products has a wide measuring range, rated primary current range 5~630A, rated secondary current range 0~5A, current ratio range can reach 500:1~ 10 000:1, orderly production process, to ensure its accuracy level, reliability and other technical requirements. This products complies with GB/T20840.1.2 Standard. 

The open-closed type AC Transmitter is a kind of DC4~20mA( Through 250KV) which can directly convert the AC current of the main circuit to linear proportion Ω Resistance conversion DC 1~5V or through 500V Ω Resistance conversion (DC1~10V) constant current ring standard signal measuring instrument, AC current transmitter has the advantages of high precision, fast response, small volume, low power consumption, wide frequency response, anti-interference, lightning wave and shock wave protection.

The product is perforated input single-channel DC leakage current isolated transmitter. The measured DC current signal is isolated by a high-precision isolation device, and the output is linear 0~5V,0~10V, 0~20mA,4~20mA and other standard signals. It is widely used in power supply equipment, power grid monitoring, industrial control monitoring system, railway signal system and other industries.