MV-1017

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MV-1017 is an integrally enclosed forced ventilation current transformer, which has been widely used in industrial control, power supply and communication system. It can be used for the effective measurement of fault current and the accurate measurement of alternating current, insulation monitoring, etc. In the field of façade engineering, forced ventilation current transformer MV-1017 plays an important role in measuring and controlling the current output and the reliability of the system. This article will explain the application field and working principle of MV-1017 in detail.

The application field of the MV-1017 force ventilation current transformer is mainly in the medium voltage switchgear, power distribution systems, ring main units, industrial control systems and communication systems. In medium voltage switchgear, it is mainly used for current measurement, insulation monitoring, primary short-circuit current protection and secondary circuit over-current protection. In the power distribution system, it is mainly used for leakage current monitoring, over-current protection of the secondary circuit, and primary short-circuit current protection. In ring main units, it is mainly used for residual current monitoring and over-current protection of the secondary circuit. In industrial control systems, it is mainly used for measuring and controlling the output current. In the communication system, it is mainly used for the primary short-circuit current protection, over-current protection, leakage current monitoring and transformer insulation monitoring.

The working principle of MV-1017 force ventilation current transformer is based on Faraday\'s law of electromagnetic induction. The core of the transformer is composed of an upper and a lower magnetic core. The primary winding of the MV-1017 is connected to the external power supply line; the secondary winding is connected to the protection device. When an alternating current flow through the primary winding, an induced voltage and current will be produced in the secondary winding. The induced current is proportional to the alternating current in the primary winding, and is related to the transformer’s basic parameters (turns ratio, inductance, number of coil turns). At the same time, the core of the transformer absorbs ac energy, resulting in electromagnetic saturation of the core. To prevent this saturation, an increased cooling effect must be provided for the core. This is achieved by forced ventilation, which is the key feature of MV-1017.

MV-1017 forced ventilation current transformer has many advantages. Firstly, its output current is stable and accurate, and the output error is very small; secondly, it has good linearity and over-current protection; thirdly, it has good vibration resistance and long-term stability; fourthly, it has strong overload capacity and can withstand three times of rated current for short time. In addition, its structure is compact and it has the ability to measure both AC and DC current. At the same time, its cooling effect is fast and the cooling effect is even.

In conclusion, MV-1017 forced ventilation current transformer is widely used in many fields. Its advantages of high accuracy, good linearity, vibration resistance, strong overload capacity, and fast cooling effect make it have a broad application prospects. It is an important instrument for measuring and controlling the current of electrical systems.

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