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Variable Frequency Starter
Mining Explosion Proof Variable Frequency Starter

Mining Explosion Proof Variable Frequency Starter

TAG: Mining Explosion Proof Variable Frequency Starter
Product number:LV starter
Description

Mining explosion proof variable frequency starter

Variable Frequency Starter is a speed regulating and starting device with combined performance of variable frequency control and variable voltage control.

 Variable frequency control on low speed section (0Hz-20Hz)

Variable voltage control on high speed section (20Hz-50Hz)

On-off control on power frequency (50Hz)

  Application

   Suitable for the field with huge power motor.

   Suitable for the field which requires for large staring torque.

   Suitable for the field which requires for long period running under low speed

  Main advantage

   Large starting torque

   It can run on low speed section.

   Frequently starting is repeatable.

   Reliable running, low failure rate, low maintenance cost.

   Small volume, light weight, high performance cost ratio.

  Machine applied on

   Belt conveyor    Ball grinder     Crusher     Air compressor

1. 100kW-1.2MW/0.4kV-1.14kV various specification and model.

2. Suitable for speed regulating and starting occasion such as belt conveyor, scraper conveyor, mining aerial cableway, endless rope winch and funicular.

3. The product of explosion proof and non explosion proof is with same specification and application field. 

Chart 1 Specification chart for low voltage product

Device

Voltage

Unit

Model

Motor power

Low voltage or mining explosion proof variable frequency starter

3300V

set

QBGR-175A/3.3kV

800kW

QBGR-228A/3.3kV

1050kW

QBGR-368A/3.3kV

1680kW

QBGR-438A/3.3kV

2000kW

QBGR-612A/3.3kV

2800kW

QBGR-752A/3.3kV

3400kW

1140V

set

QBR1-350A-1140V

560kW

QBR1-500A-1140V

800kW

QBR1-600A-1140V

950kW

QBR1-750A-1140V

1200kW

660V

set

QBR1-150A-660V

138 kW

QBR1-250A-660V

230 kW

QBR1-350A-660V

320 kW

QBR1-500A-660V

460 kW

QBR1-650A-660V

600 kW

QBR1-800A-660V

730 kW

380V

set

QBR1-200A-380V

105 kW

QBR1-300A-380V

160 kW

QBR1-350A-380V

185 kW

QBR1-500A-380V

265 kW

QBR1-700A-380V

370 kW

QBR1-850A-380V

450 kW 

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