GD2000 serija posebnih frekvenčnih pretvornikov za rudnike

Function description

Specifications

input

Rated Input Voltage (V)

AC 3PH 660V（-15%~+15%） 

Rated input frequency

50Hz/60Hz, allowable range 47~63Hz

Rated Input Efficiency (%)

More than 98%

Rated input power factor (%)

0.85 or higher

0.99 or higher

output

Rated Output Voltage (V)

0~input voltage

Output frequency

0~400Hz 

Operational control characteristics

Control mode

V/F (with V/F separation), open-loop vector

Speed ratio

Synchronous machine: 1:200 (open-loop vector); Asynchronous: 1:20 (open-loop vector)

Speed control accuracy

Closed-loop vector: ±0.1% maximum velocity; Open-loop vector: ±0.5% maximum speed

Speed fluctuations

±0.3% (open-loop vector control)

Torque control accuracy

10% (open-loop vector control)

Starting torque

0.5Hz 150% (open-loop vector control)

Overload capacity

150% rated current 60s, 180% rated current 10s, 200% rated current 1s

Important features:

Master-slave control, multi-speed operation, simple PLC, multiple acceleration and deceleration time switching, S-curve acceleration and deceleration, fan operation control, energy-saving operation, PID adjustment, MODBUS communication, sag control, torque control, torque and speed control mode switching, etc

Protection function

Motor overheat protection, overload protection, overvoltage protection, undervoltage protection, input phase loss protection, output phase loss protection, overcurrent protection, overheat protection, overvoltage stall protection, overcurrent stall protection, short circuit protection and other protection functions

Peripheral interface

Analog input

1 channel (AI1, AI2) 0~10V/0~20mA

Analog output

1 channel (AO1, AO2)-10~10V/-20~20mA

Digital input

It comes standard with 6 digital inputs

Standard 3 relay outputs, electric shock capacity: 3A/AC250V, 1A/DC30V

Communication mode

485 communication (MODBUS protocol) is standard, and CAN, fiber, and Profibus-DP are optional

other

keyboard

LCD display as standard, compatible with LED keyboards

Operating ambient temperature

-10°C~+40°C, and above 40°C need to be downgraded

relative humidity

5%~95% 

Storage temperature

-40℃~+70℃ 

altitude

Below 1000 meters, more than 1000 meters will be degraded by 1% for every 100 meters

Protection level

IP00