2023-10-24
Scope of application of zero-sequence current transformer
The CXRD-LJ series zero-sequence current transformer is of the cable type, featuring an ABS engineering plastic housing and fully sealed resin casting. It boasts excellent insulation performance, elegant appearance, high sensitivity, good linearity, reliable operation, and convenient installation. Its performance surpa···
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2023-10-24
Current transformer manufacturer explains the classification···
What are the classification levels of current transformers? Let's hear it from Nanjing Zhenhengtong Current Transformer Manufacturer.The accuracy level is specified for the transformation ratio error generated by a current transformer under rated operating conditions. The accuracy level refers to the percentage val···
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2023-10-24
Classification introduction of protective current transforme···
Protective current transformers are categorized into: 1. Overload protection current transformers, 2. Differential protection current transformers, 3. Grounding protection current transformers (also known as zero-sequence current transformers)The protective current transformer primarily works in conjunction with the re···
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2023-10-24
What are the characteristics of open-close current transform···
In conclusion, the author established a Maxwell electromagnetic field simulation model based on ANSOFT software to analyze the mechanism of the open-close current transformer. According to the simulation results, the voltage waveform, transient magnetic flux, excitation current, and other characteristics of the open-cl···
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2023-10-24
The difference between a regular current transformer and a z···
1. The function of a common current transformerA standard current transformer can convert a primary current with a relatively large value into a secondary current with a smaller value through a certain transformation ratio, which is used for protection, measurement, and other purposes. For example, a current transforme···
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2023-10-24
Classification of electronic transformers
The "IEC60044-8 Electronic Current Transformer Standard" defines an electronic current transformer as follows: a device consisting of one or more voltage or current sensors connected to a transmission system and a secondary converter, used to transmit a quantity proportional to the measured value, supplying m···
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2023-10-24
What is a miniature current transformer
Micro transformers are divided into micro current transformers (including micro current converters) and micro voltage transformers. They are equipment in the power industry, generally used in various power instruments for measurement and protection purposes. Compared to ordinary transformers, micro transformers have sm···
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2023-10-24
What is a protective current transformer
Protective current transformers are generally used in relay protection circuits where multiple busbars cross. Developed to detect short-circuit faults for the protection system, they come with different accuracy levels and accuracy limit factors, and can be extended to accommodate different hole sizes. They are widely ···
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