Product Introduction

6SE7041-3TL84-1BH0 Siemens line reactor

The production process of the dedicated line reactor for the inverter requires the coil and iron core of the dedicated line reactor to be assembled into one piece, and then go through the process of pre-baking → vacuum varnishing → hot baking and curing.

The dedicated line reactor for the inverter uses H-class varnish to firmly combine the coil and iron core of the reactor, which not only greatly reduces the noise during operation, but also has an extremely high heat resistance level, which can ensure that the reactor can run safely and noiselessly at high temperatures.

The following four motor protection methods are currently commonly used:

(1) Installing a reactor at the output end of the inverter: This measure is commonly used, but it should be noted that this method has a certain effect on shorter cables (less than 30 meters), but sometimes the effect is not ideal, as shown in Figure 6(c).

(2) Install a dv/dt filter at the output end of the inverter: This measure is suitable for situations where the cable length is less than 300 meters. The price is slightly higher than that of the reactor, but the effect is significantly improved, as shown in Figure 6(d).

(3) Install a sine wave filter at the output end of the inverter: This measure is ideal. Because here, the PWM pulse voltage is converted into a sine wave voltage, the motor works under the same conditions as the power frequency voltage, and the problem of peak voltage is completely solved (no spike voltage will occur even if the cable is longer).

(4) Install a peak voltage absorber at the interface between the cable and the motor: The disadvantages of the previous measures are that when the power of the motor is large, the volume and weight of the reactor or filter are large and the price is high. In addition, the reactor and the filter will cause a certain voltage drop, affecting the output torque of the motor. The use of an inverter peak voltage absorber can overcome these shortcomings. The SVA peak voltage absorber developed by the 706 Institute of the Second Academy of China Aerospace Science and Industry Corporation uses advanced power electronics technology and intelligent control technology and is an ideal device for solving motor damage. In addition, the SVA spike absorber can also protect the motor bearings.

Siemens inverter 6SE7041-3TL84-1BH0 is a high-performance inverter, mainly used to control the speed and torque of the motor, and is widely used in the field of industrial automation. Its main functions include:

Effective energy saving: By accurately controlling the speed and output power of the motor, load regulation is achieved, thereby achieving energy saving effects.

Stable and reliable: With high-performance motor control and protection functions, it can monitor the working status and load conditions of the motor in real time, automatically adjust the output power, and ensure the stability and reliability of the motor operation.

Versatility: Supports multiple working modes and control methods, and can adapt to different working environments and needs.

Convenient maintenance: It has a friendly human-machine interface and simple operation, supports remote monitoring and diagnosis functions, and is convenient for timely repair and maintenance.

Accurately control the motor speed: By adjusting the output frequency of the inverter, the motor speed can be accurately controlled.

Adjust the motor torque: It can provide continuously changing torque to adapt to different load conditions.

Significant energy-saving effect: Compared with traditional fixed-speed motors, frequency converters can effectively reduce energy waste and improve energy utilization efficiency.

System rated voltage: 1KV

Rated current: 1A

Type of incoming line reactor: There are two types of coreless hollow reactors and dry reactors to meet the needs of different application scenarios.

Application areas

Industrial automation: used to control the operating speed and torque of various mechanical equipment.

Conveying system: plays an important role in transportation equipment such as conveyor belts and conveyors.

Water treatment equipment: adjust the speed of the water pump and control the water flow and pressure.

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