Open and close type current transformer

Description :

　　When installing the open type transformer, ensure that P1 of the upper shell corresponds to P1 of the lower shell on the same side, and P2 corresponds to P2 on the same side (as shown in Figure 1). The iron core of the open type transformer is paired up and down for use. When the iron core is not paired, there will be gaps on the contact surface after installation, which will cause noise when the transformer is in use; Check if the same side P1 and P2 of the upper and lower shells correspond when the open transformer makes a sound during operation. AKH-0.66K open type current transformer, also known as detachable low-voltage current transformer or open type current transformer, is mainly used in 0.66kV and below distribution system renovation projects. It is easy to install, does not require dismantling the busbar once, and can be operated with electricity without affecting the normal power consumption of customers. It saves manpower, material resources, financial resources, and efficiency for user renovation projects. This series of current transformers can be used in conjunction with relay protection, measurement, and metering devices.

　　In practical use, customers always ask why there is a noise when the open type current transformer is running? Taking the Ankerui AKH-0.66 K series open-ended transformer as an example, let me tell you:

　　1. When the open circuit transformer is in operation, if the wiring of the secondary output lines S1 and S2 is unreliable (i.e. secondary open circuit), it will produce noise. If it runs for a long time, due to the saturation of the magnetic core, a large open circuit voltage will be generated, causing the iron core to heat up until the transformer burns out. Therefore, when the open transformer makes a sound during operation, the first thing to check is whether the wiring of the secondary output lines S1 and S2 of the transformer is firm and reliable.

　　2. When installing the open type transformer, ensure that P1 of the upper shell corresponds to P1 of the lower shell on the same side, and P2 corresponds to P2 on the same side (as shown in Figure 1). The iron core of the open type transformer is paired up and down for use. When the iron core is not paired, there will be gaps on the contact surface after installation, which will cause noise when the transformer is in use; Check if the same side P1 and P2 of the upper and lower shells correspond when the open transformer makes a sound during operation.

　　3. When there are foreign objects on the upper and lower contact surfaces of the open transformer core, a sound will be generated. Therefore, during installation, pay attention to ensuring that the contact surface of the core is clean and free of foreign objects.

　　Product Introduction

　　The AKH-0.66 series current transformer shell is made of flame-retardant imported polycarbonate injection molding, the iron core is made of oriented cold-rolled silicon steel strip wound, and the secondary wire is made of high-strength electromagnetic enameled wire. The product has a novel structure, beautiful appearance, easy installation, small volume, light weight, high accuracy, and large capacity.

　　1 Product Introduction

　　Function:

　　The AKH-0.66K series open type current transformer is easy to install and does not require dismantling the busbar. It can also be operated with electricity without affecting the normal power consumption of customers. It can be used in conjunction with relay protection, measurement, and metering devices.

　　Application scope:

　　Applied to power distribution system renovation projects.

　　Ordering Example:

　　Specific model: AKH-0.66/K K-80 * 50 800

　　Technical requirements: Rated current ratio of 800A/5A; Accuracy level 0.5; Rated load of 2.5VA.

　　Communication protocol: None

　　Power supply: none

　　2 Technical parameters

　　AKH-0.66/K open-ended current transformer

　　3 External dimensions

　　AKH-0.66K - Φ Open Current Transformer

　　AKH-0.66/K open-ended current transformer

　　AKH-0.66K - Φ Open Current Transformer

　　Detachable low-voltage current transformer, also known as open type current transformer, is mainly used in 0.66kV and below distribution system renovation projects. It is easy to install, does not require dismantling the busbar once, and can be operated live without affecting the normal electricity consumption of customers. It saves manpower, material resources, financial resources, and efficiency for user renovation projects. This series of current transformers can be used in conjunction with relay protection, measurement, and metering devices.

AfterSalesService :

• Open and close type current transformer