BPJ1 Series Mine - Used Flameproof and Intrinsic Safety Type Converter
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BPJ1 Series Mine - Used Flameproof and Intrinsic Safety Type Converter

BPJ1series mining explosion-proof and intrinsic safety inverter is developedespecially for mining industry based on years of experience of INVT.

Leading technologies
Realize the power balance among up to 12 motors;
High-torque, high-precision and high-performance current vector control;
High-precision open loop vector control;
V/f control with selectable curves;
Over 30 kinds of protection functions;
Excellent EMC/EMI performance;
l Safe and reliable
The product strictly follows national standard GD3836 and has passed the rigorous tests and certifications held by Mining Products Safety Approval and Certification Center and Anti-explosion station. It fully satisfies the environment requirements of the underground coal mine.
l Simple and convenient maintenance
Modular structure design makes it easy and convenient to maintain.

Model

660V two-quadrant series

660V four-quadrant series

1140V two-quadrant series

1140V four-quadrant series

      Input

Input voltage range

560V~760V

560V~760V

970V~1310V

970V~1310V

Input frequency range

47~63 Hz

Technical and operating control performance

Control mode

V/F, sensorless vector control(SVC), vector control (VC)

V/F control

Linear type, multi-dots type, multi-power V/F curve, V/F separation

Running command channel

Keypad, terminal, communication

Frequency reference method

Digital reference, analog reference, pulse frequency reference, communication reference, multi-step speed and simple PLC reference, PID reference, etc.

Power balance function

Master-slave communication, droop control

Overload capability

150% of rated current 60s, 180% of rated current 10s

Starting torque

0.5Hz 150%(SVC), 0Hz 180%(VC)

Speed control range

1:100(SVC), 1:1000(VC)

Speed control precision

±0.5% of Max. speed (SVC), ±0.1% of Max. speed(VC)

Frequency resolution

Digital setting: 0.01Hz

Analog setting: 0.1%~Max. frequency

Torque boost

Automatic torque boost, manual torque boost 0.1~30.0%

ACC/DEC method

Straight line or S curve, four groups of ACC/DEC time

DC braking

DC braking at starting, DC braking at stopping

Jogging running

Jogging frequency range: 0.0Hz~Max. output frequency

Jogging ACC/DEC time:0~3600.0 s

Simple PLC and multi-step speed running

Realize up to 16-step speed running via built-in PLC control terminals

Built-in PID function

Realize close loop control system of process quantities

Automatic voltage regulation

Keep the output voltage constant automatically when the grid voltage changes

Torque reference method

Keypad reference, analog reference, high-speed pulse frequency reference, remote communication reference

Protection function

Up to 30 protection functions such as overcurrent, overvoltage, undervoltage, overtempetature, phase loss, overload and short circuit protection

Display

Standard LED display, optional LCD diaplay

Communication

Standard: Ethemet; Optional: PROFIBUS, CAN,Rs485

Standard:Rs485, CAN, Ethemet, Optional: PROFIBUS

Standard: Rs485, CAN, Ethemet, Optional: PROFIBUS, optical fiber

Standard :Rs485, CAN, Ethemet, Optional: PROFIBUS, optical fiber

Explosion-proof mark

Ex d [ib]Mb

Explosion-proof type

Explosion-proof and intrinsic safety

Running

environment

Temperature

-10°C~50° C; if above 40° C, derate 3% for every additional 1° C

Altitude

1000m below; if above 1000m, refer to altitude derating table for derating coefficient

Humidity

Relative humidity 5%~95%; no condensation

Application

Application Range

Belt conveyors, local fans, emulsion pumps, scrapers, water pimps

Hoists, winches, aerial riding devices, coal winning machine, down betl conveyors

Belt conveyors, local fans, emulsion pumps, scrapers, water pimps

Hoists, winches, aerial riding devices, coal winning machine, down betl conveyors

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