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GD3000 series three-level medium voltage frequency converter
Zhejiang Rockwell Energy Technology Co., Ltd.
12yrs + staff 30000+m² US$100000000+
Zhejiang Rockwell Energy Technology Co., Ltd.
12yrs + staff 30000+m² US$100000000+
Key attributes
Brand RW Energy
Model NO. GD3000 series three-level medium voltage frequency converter
Rated frequency 50/60Hz
Series GD
Product descriptions from the supplier
Description

Overview

GD3000 series frequency converter is a special product designed for special voltage levels in mining, petroleum and other industries, using three-level hardware topology circuit and AFE rectification technology, which can be used to control AC asynchronous induction motors and permanent magnet synchronous motors, meet the different working modes of motors, adopt high-performance vector control technology, and modular design schemes, flexibly adapt to the special needs of mining and petroleum equipment, and are widely used in mine elevators, belt conveyors, scrapers, winches, monkey carts, fans, Emulsion pumps, oil pumps, submersible electric pumps, fracturing and other equipment.

Product features

  •  Leading three-level topology

a. higher output waveform sineness,

b. significantly lower output voltage change rate

  •  Wide input voltage range

  • The whole series adopts laminated busbar

  • Professional surface sticker technology and modular structure design

Specifications

Product Type:

GD3000-01 series

GD3000-11 series

Function description

Specifications

input

Rated Input Voltage (V)

AC 3PH 970V~1310V 

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 function), open-loop vector, closed-loop vector

Motor parameters are self-learning

Support motor stationary self-learning and rotation self-learning

speed regulation range

Closed-loop vector: 1:1000; open-loop vector: 1:100

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); ±0.1% (closed-loop vector control)

Torque control accuracy

10% (open-loop vector control); 5% (Closed-loop vector control)

Starting torque

0.5Hz 150% (open-loop vector control); Zero frequency 180% (closed-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

2 channels (AI1, AI2) 0~10V/0~20mA, 1 channel (AI3)-10~10V

Analog output

2 channels (AO1, AO2) -10~10V /-20~20mA

Digital input

It comes standard with 6 digital inputs

Digital output

It comes standard with 1 open-circuit collector output

Standard 2 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、IP20、IP54  

Know your supplier
Rw Energy
Zhejiang Rockwell Energy Technology Co., Ltd. 12yrs + staff 30000+m² US$100000000+
Zhejiang Rockwell Energy Technology Co., Ltd.
12yrs + staff 30000+m² US$100000000+
Online store
On-time delivery rate
Response time
100.0%
≤4h
Company overview
Workplace: 30000m² Total staff: Highest Annual Export(usD): 100000000
Workplace: 30000m²
Total staff:
Highest Annual Export(usD): 100000000
Services
Business Type: Design/Manufacture/Sales
Main Categories: High Voltage Electrical Apparatus/New energy/Tester
Whole life care manager
Full lifecycle management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.
The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.
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