1300620149

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The 1300620149 application field and working principle relates to the field of communications and relates to a non-intrusive optical current transformer (hereinafter referred to as OCT). The OCT is a non-contact type electro-optical converter. It has the advantages of no moving parts, no direct contact, no magnetic field and no interference. It is mainly used for real-time fault signal acquisition in unsafe and harsh environment, and also for test and fault location of communication transmission lines.

The working principle of 1300620149 involves the use of a halide lamp as a light source and a semiconductor photoelectric current transformer as a sensor. The light emitted by the halide lamp passes through a beam splitter and a focusing optical system before entering a high-precision light cavity. At the center of the cavity is a transformer core. On the core, an insulation sheet is wrapped with two non-parallel copper wires. The DC voltage generated by the current of the two copper wires on the core forms an electro-optical conversion field, which in turn converts the current into a light field.

In the light cavity formed by the focusing optical system, optical interference occurs between the two light beams. When the halide lamp changes varying voltage, the light field amplitude is modulated to produce a changing output current. Then, the photoelectric current transformer can convert the light energy into a strong electrical current, and output it from the outside of the system. The whole process is a non-contact type electro-optical conversion.

The 1300620149 application field mainly involves the power grid, transformer substation, non-destructive testing and optical communication industry, which are widely used in current signal acquisition, fault signal acquisition, transformer diagnostics and other fields. It has the following major advantages: 1) Non-contact and no external magnetic field; 2) High accuracy and high sensitivity; 3) No moving parts; 4)Safety and environmental protection; and 5) Converting current into light field as the core principle, which can accurately measure various alternating current waveforms.

In conclusion, 1300620149 is an effective tool for current signal acquisition, fault signal acquisition, transformer diagnostics and other fields in the power grid, transformer substation, non-destructive testing and optical communication industry, and is renowned for its advantages of non-contact, no external magnetic field, high accuracy, high sensitivity, no moving parts, and safety and environmental protection.

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