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General LV frequency converter for floors
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General LV frequency converter for floors

The ground high-voltage frequency converter produced by our company adopts unit series high-voltage frequency conversion technology. It is specially designed for permanent magnet motors. It has good matching with permanent magnet synchronous frequency conversion motors. It adopts vector control to achieve precise torque control. At the same time, the frequency converter It has the characteristics of high efficiency, superior electromagnetic compatibility, and strong environmental adaptability, effectively reducing the interference to the power grid and surrounding equipment.
Product serial number
1
Product description
Parameters

3、General LV frequency converter for floors

uproduct description

The ground high-voltage frequency converter produced by our company adopts unit series high-voltage frequency conversion technology. It is specially designed for permanent magnet motors. It has good matching with permanent magnet synchronous frequency conversion motors. It adopts vector control to achieve precise torque control. At the same time, the frequency converter It has the characteristics of high efficiency, superior electromagnetic compatibility, and strong environmental adaptability, effectively reducing the interference to the power grid and surrounding equipment.

uScope of application

It is widely used in belt conveyors, hoists, mills, fans, water pumps and other occasions. This type of frequency converter is also suitable for all kinds of asynchronous motors.

uMain technical features:

1) Adopt power unit cascade type technology route unit series connection, multi-level output.

2) Using vector control high-voltage inverter, the control core is composed of DSP+ARM+FPGA, instructions are completed in nanoseconds, and the control waveform and inverter waveform can be verified in real time

3) The high-voltage inverter has a unique flux closed-loop vector control technology, which is the best control algorithm in the field of high-voltage inverters. It has been improved according to the inherent characteristics of the high-voltage synchronous machine. On the basis of maintaining high dynamic performance, it overcomes The influence of rotor resistance and inductance parameters on the performance of the speed control system is discussed.

4) The unit cascade mode is adopted. When one of the units fails, if the unit is equipped with a bypass function, the asymmetric bypass technology can make the system run without stopping. Asymmetric technology can achieve a higher voltage output amplitude than traditional bypass schemes.

5) With the speed start function, it can start the inverter under the condition of unknown motor rotation speed. The inverter can automatically quickly identify the motor speed, output the corresponding frequency, and control the motor to rotate to the specified frequency. This technology can effectively reduce the impact of instant power outages on production Impact on the power grid. Compared with the traditional speed start technology, the time is reduced by 90%.

6) High and low voltage ride-through function: When the power grid drops or fluctuates instantly, the system can ensure that the instantaneous power failure will not trip, and the inverter operation will not be affected within 5 cycles after the power failure, and the inverter will automatically derate after 5 cycles. The inverter will stop after the power loss exceeds 9s, and continuous production can improve the production efficiency of the system.

7) The modular design of the power unit adopts specially designed special tooling for maintenance, which can realize the complete replacement and re-operation of the unit within 30 minutes, and the unit control board can realize the replacement of the unit without disassembling, and the integrated design of unit bypass, no need to change the unit Maintenance can be achieved by disassembly and assembly.

uModel Description

The models of ground universal inverters are as follows:

 

uProduct Selection Table

 

sequence

number

Inverter power(KVA

6KV

10KV

Adapted motor power (kW)

(Heavy load occasions)

1

315

BP-315/6KV

BP-315/10KV

200

2

355

BP-355/6KV

BP-355/10KV

220

3

400

BP-400/6KV

BP-400/10KV

250

4

450

BP-450/6KV

BP-450/10KV

288

6

500

BP-500/6KV

BP-500/10KV

315

7

560

BP-560/6KV

BP-560/10KV

355

8

630

BP-630/6KV

BP-630/10KV

400

9

710

BP-710/6KV

BP-710/10KV

450

10

800

BP-800/6KV

BP-800/10KV

500

11

900

BP-900/6KV

BP-900/10KV

560

12

1000

BP-1000/6KV

BP-1000/10KV

630

13

1120

BP-1120/6KV

BP-1120/10KV

710

14

1250

BP-1250/6KV

BP-1250/10KV

800

15

1400

BP-1400/6KV

BP-1400/10KV

900

16

1600

BP-1600/6KV

BP-1600/10KV

1000

17

1800

BP-1800/6KV

BP-1800/10KV

1150

18

2000

BP-2000/6KV

BP-2000/10KV

1250

19

2250

BP-2250/6KV

BP-2250/10KV

1400

20

2500

BP-2500/6KV

BP-2500/10KV

1600

 

 

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JNG Technology Co., Ltd.
JNG Technology Co., Ltd.
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