Input

Rated power   voltage

AC 3300V/1140V/660V

Power voltage 20%, 50-60Hz   5%, voltage unbalance rate < 3%

  Output

  Rated voltage

The maximum output voltage is the same as   the input power voltage.

Rated current

100% rated current continuous

  Output frequency

0～50Hz

  Main function

Control mode

V/F control, open loop vector control   (SVC)

  Carrier frequency

0.5kHz～16kHz,   carrier frequency can be automatically adjusted according to load   characteristics.

  Frequency resolution

Digital setting: 0.01Hz analog setting:   maximum frequency *0.025%

Speed regulation range

1:100（SVC）

1:1000

Speed stabilization   precision

±0.5%（SVC）

±0.02%

Torque control   precision

±5%

Overload capacity

120% rated current for 5 minutes, 150%   rated current for 20S

Torque boost

Automatic torque boost; Manual torque   boost for 0.1% ~ 30.0%

  V/F curve

There are three ways: straight line type,   multipoint type and N-power type V/F curve
  (1.2 power, 1.4 power, 1.6 power, 1.8 power, 2 power)

V/F separation

There are two ways: full separation and   semi-separation

Acceleration and   deceleration curve

There are two ways: straight acceleration   and deceleration and S-curve acceleration and deceleration.
  Four kinds of acceleration and deceleration time, acceleration and deceleration   time range is 0.0～6500.0s.

  Direct current braking

DC braking frequency: 0.00 ~ maximum   frequency

Braking time: 0.0 ~ 36.0 s
  Current value of braking action: 0.0% ~ 100.0%

  Inching control

  Inching frequency range: 0.00Hz～50.00Hz
  Inching acceleration and deceleration time: 0.0s～6500.0s

Simple PLC, multi-speed   operation

Realize 16-stage   speed operation by built-in PLC or control terminals

Built-in PID

The closed-loop   control system for process control can be conveniently realized

 (AVR)
  Automatic voltage regulation (AVR)

When the power grid   voltage changes, the output voltage is kept constant.

Over-voltage and   over-current stall control

Automatically limit   voltage and current during operation to prevent frequent over-voltage and   over-current faults from tripping.

  Fast current limiting function

  Minimize overcurrent faults and protect the normal operation of the   converter.

Torque limit and   control

    "Excavator" characteristic, the torque during operation can   be limited automatically to prevent frequent overcurrent tripping, and   closed-loop vector mode can realize torque control.

  Personalized function

Point-to-point   communication

Master-slave control can be realized

V/F separation function  

It can meet the induction heating,   inverter power and other occasions

Restore user parameters  

Users can back up and restore the   parameters set by themselves.

Timing control

Timing control function: set the time   range from 0.0 min to 6500.0 min

Fast current limiting

Avoid frequent   overcurrent faults of the converter.

  Instantaneous stop

  In case of instantaneous power failure, the converter will continue to   operate for a short period of time through reducing the load feedback energy   compensation voltage.

Excellent performance

The control of   asynchronous motor can be realized by high performance current vector control   technology

Digital input channel

8-circuit programmable   digital input

Input function

Analog input channel

2-circuit analog signal   input: 0 ~ 10V/0 ~ 20mA switchable.

Digital output channel

2-circuit digital output

Output function

Analog output channel

2-circuit analog signal   output: 0 ~ 10V/0 ~ 20mA switchable.

Command source

Given by operation panel

  Operation

  Frequency source

  10 kinds of frequency sources: digital given, analog voltage given, analog   current given,

Serial port given. It can be switched in   a variety of ways

Auxiliary frequency   source

10 kinds of auxiliary frequency sources.   It can realize frequency fine adjustment and frequency synthesis flexibly

LED display

Display parameter

  Display and keyboard operation

HMI display

Display operation state: output   frequency, output current, temperature, etc.

Key locking and   function selection

Realize partial or complete locking of   keys and define the action scope of some keys to prevent misoperation.

Using place

Under the coal mine, no corrosive gas,   the environment with explosive mixture of methane and coal dust, and the   environment without damaging insulating gas or steam.

  Environment

Altitude

Less than 1000 m; mine atmospheric   pressure (0.08 ~ 0.11) MPa;

Environment temperature

-20℃ ~+40℃ (if the environment temperature is above 40℃, please reduce the amount)

Humidity

Less than 95%RH(+25℃), no water condensation

Vibration

In places without significant vibration   or impact

Storage temperature

－20℃～＋60℃

Level of protection

IP54

Structure

Class of pollution

PD2

Cooling mode

Heat pipe + forced air cooling

Class III